ML20010J554

To Tech Specs,Supporting Installation of Generator Breaker

ML20010J554
Person / Time
Site:	North Anna
Issue date:	02/26/1980
From:	Berger K VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
Shared Package
ML20010J552	List: ML20010J551 ML20010J554 ML20010J556
References
NUDOCS 8110050335
Download: ML20010J554 (400)

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{{#Wiki_filter:-- BBC BROWN BOVERI I I I I S E -CO \\ ~~A N E J g COO _NG 3 A\\T I D~M 80 i I l i l INSTRUCTIONS FOR ERECTION I AND OPERATION I. CONTENTS: page A. General A-1 B. General Arrangement B-1 C. Principle C-1 D. Erection D-1 E. Starting Operation E-1 ll5 F. Checks, Maintenance, Overhauls F-1 l l G. Trouble Shooting G-1 l 11. Parts List K-1 l K. Appendix K-1 iI

I l

Pbulication No. C!;-A 319 156E I 8110050335 810923 PDR ADOCK 05000338 I']@

e IM PORTANT NOTES

1. The Cooling unit Can b3 guaranteed to opa' ate reliabl.y only if the following instructions on erection, operation and mainten-ance are observed.

[

2. These instructions descriLe the basic version, differences between this and the unit supplied are Contained in the documents relating to the installation.

We reserve the right to make technical modifications.

3. The Cooling unit must not be taken into operatiCn until it has been Checked as described in Section "E.

Starting operation".

4. We disclaim all responsibility for any immediate damage aris-ing from incorrect operation of this Cooling unit, even if these instructions Contain no spec 1fic indications in this respect.

5. During operation, the Cooling unit may possibly suffer defects

~ for which the remedy is not described in these instructions. In all such instances you are kindly rec ested to Consult us ~ or our representatives.

6. These instructions may not be transmitted, reproduced, reprint-ed or copied, either wholly or in part, without our written permission.

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CONTENTS Page A. General A-1 A.1 Numbering of parts A-1 B. General arrangement and principle of the major components 8-1 B.1 Mixing valve 4300 B-2 B.2 In-line centrifugal pump 3300 B-2 B.3 Heat exchanger 2300 B-2 s B.3.1 Breaker water circuit B-2 B.3.2 Mains water circuit B-3 B.4 Monitoring of breaker water conductivity B-3 B.4.1 Conductivity sensor 6300 B-3 F B.4.2 Transducer 7360 B-3 B.4.3 Limit-value indicators 7361, 7430 B-3 I, 8.4.3.1 Limit-value indicator 7361 B-3 B.4.3.2 Limit-value indicators 7430 B-4 B.4.4 Profile indicator 7380 B-4 I B.5 Flow monitors 6320, 6340 B-5 B.6 2-step thermostat 5320 B-5 8.7 1-step thermostat 5300 B-5 I B.8 Pressure gauges 5330 B-5 B.9 Control cabinet 7300 B-5 B.10 Treatment unit 9300 B-6 i B.11 Heating system 6360 (cotional) B-6 B.12 Proportional-spring safety valve 4400 B-6 g C. Principle C-1 E C.1 Breaker water circuit C-1 C.2 Mains water circuit C-2 D. Erection D-1 D.1 Transport and unpacking D-1 D.2 Storage prior to erection I 0-1 D.3 Installing the units D-1 D.4 Installing the piping 0-1 D.5 Electrical connections I D-2 D.6 Earth connections D-2 D.7 Pressure gauges 5330 D-3 D.8 Checks on erection I D-3 E. Starting operation E-1 E.1 Initial start-up E-1 E.1.1 Fill the breaker water circuit E-1 E.1.2 Check for leaks in breaker water circuit; clean filter 6310 E-1 E.1.3 To adjust breaker water flow rate E-2 E.1.3.1 Generator breaker poles E-2 E.3.1.2 Treatment unit 9300 E-2 l E.1.4 Clean electrodes of conductivity sensor 6300 E-2 E.1.5 Function checks E-3 l i

I E.1.5.1 Check conductivity monitoring system with test resistor 7370 E-3 E.1.5.1.1 Equipment failure; 170.1 mA E-3 E.1.5.1.2 Warning signal " conductivity =2 pS/cm" E-4 I E.1.5.1.3 Alarm signal " conductivity >7 yS/cm" E-4 E.1.5.2 Adjustment of conductivity monitoring system E-4 E.1.3.2.1 Equipment failure; I=0.1 mA E-4 I E.1.5.2.2 warning signal " conductivity *2 pS/cm" E-5 E.1.5.2.3 Alarm signal "conouctivity >7 pS/cm" E-6 E.1.5.2.4 Final procedures E-6 E.1.5.3 Check flow monitors 6320 E-6 E.1.5.4 Float switch 9335 in treatment unit 9300 E-7 E.1.5.5 Failure of monitors 3400 E-7 I E.1.6 Set mains water circuit in operation E-7 E.1.7 Pressure gauge 5330 E-8 E.2 Starting up the breaker water circuit after prolonged shutdown E-8 E.3 Unusual operating conditions E-8 F. Checks, maintenance, overhauls F-1 F.1 Checks F-1 F.1.1 In-line centrifugal pump 3300 F-1 F.1.1.1 Anti-friction bearings 3306, 3307 F-1 F.1.1.2 Slide ring seal 3325 F-1 F.1.1.3 Running the pumps 3300 F-1 F.1.2 Conductivity of breaker water F-1 F.1.3 Pressure gauge 5330 F-1 F.1.4 Level in treatment unit 9300 F-2 F.2 Maintenance; cooling unit in operation F-2 I F.2.1 In-line centrifugal pump 3300 F-2 F.2.1.1 Changing mctor 3400 F-2 F.2.1.2 Replacing slide ring seal 3325 F-2 I F.2.1.3 Changing the antifriction bearings 3306, 3307 F-3 F.2.2 Treatment unit 9300 F-4 F.2.2.1 Changing resin mixture 9340 F-4 I F.2.3 Clean electrodes of conductivity sensor 6300 F-5 F.2.4 Changing the 2-step thermostat 5320 F-5 F.2.5 Changing pressure gauge 5330 F-6 F.2.6 Thermometers 5340 F-6 I F.2.7 Cleaning filter 6310 F-6 F.2.8 Changing reed Switch 9331 in treatment unit 9300 F-6 F.2.9 Changing mixer valve 4300 F-7 I F.2.10 Changing thermostat 4330 F-7 F.2.11 Changing flow monitor 6340 F-8 F.3 Overhauls; cooling unit not operating F-8 I F.3.1 Changing flow monitor 6340 F-8 F.3.2 Cleaning the mains water side of heat exchanger 2300 F-8 F.3.3 Ball valve 4360, 4370, 4380, 4390 F-9 G. Trouble-shooting G-1 G.1 Alarm signals G-1 G.2 warning signals G-4 I:

I i i I H. Parts list I H-1 H.1 Ordering H-1 j H.2 Ordering by sample H-1 H.3 Storage instructions H-1 K. Appendix Fig. 1 Cooling plant DRK 80 V-1 2 Piping diagram '<-2 3 Control cabinet 7300 K-3 4 Flow diagram K-4 5 Admissible level differences K-5 6 Heat exchanger 2300 K-6 7 In-line centrifugal pump 3300 K-7 I 8 Mixing valve 4300 K-8 9 Ball valve 4360, 4370, 4380, 4390 K-9 10 Proportional-spring safety valve 4400 K-10 I 11 a 1-step thermostat 5300 K-11 11 b 2-step thermostat K-11 12 Flow monitor 6320 (6340) K-12 g 13 a Diaphragm 4440 K-13 5 13 b Filter 6310 K-13 14 Conductivity measuring K-14 5 14 a Transducer 7360 K-14 14 b Profile indicator 7380 K-14 14 c Limit-value indicator 7361 K-14 I 14 d Conductivity sensor 6300 K-14 14 e Connection diagram " operation" K-14 14 f Test " equipment failure" K-14 14 g Test " conductivity 2 uS/cm" I K-14 14 h Test conductivity 7 uS/cm" K-14 15 Treatment unit 9300, 9400 K-15 16 Diaphragm 4355 (crank dismantled) K-16 I I I I I I I

I A. GENER A L The generator breakers must not be put under voltage until after completion of the work described The DRK 80 self-contained cooling Section "E. Starting opera-In plant has been developed for cooling ,I tion", page E-1 ff. generator circuit-breakers. With this unit the live parts (extinction cham-l ber and isolator) are cooled by breaker water. In the case of breaker DR 36 v the breaker enclosure is A.1 NUMBERING OF PARTS also cooled. In the breaker water circuit, water of All parts mentioned in these instruc-low electrical conductivity (fully de-tions are provided with a 4-digit num-mineralised), with no cddit.ves) is ber. used as the cooling medium. J Wearing parts, replacement parts and standby parts are indentified with an If the breaker mater or mains wa-asterisk (*) and listed in the parts f ter circuit falls, the breakers list, page H-1 ff. This list also con-can continue to be loadeo for a tains all the parts mentioned in these time at the full rated current .Instructions. before there is any need for I current reduction or disconnec-An encirc'ed figure number denotes tion. The details are contained that the part in Question is shown in in the specification relating to detail in this figure, I the breakers! Example: In-line centrifugal

pump, fig.h:

the pump is shown in section in fig. 7 Important instructions, to which particular attention must be paid, ae shown in a box! Example for rapid location of the components in these instructions: I 3325 (fia. 7) A/6 Wearing, replacement or standby part Sliding ring seal (see parts list for fig. 7) Sliding ring seal 1) is shown in fig. 7 The part number for the sliding ring is contained in sector A/6 1) The number of the figure 4,, corresponds to that of page

B. GENERAL AR-RANGEMENT ANO PR INCIPLE OF THE MA JOR COM-PONENTS The Cooling unit Consists basically of l the following main assemblies: I Main assembly Part number Tools, gauges, errection aids 0000 - 0999 1000 Baseframe 1000 - 1999 R 2000 Heat exchanger 2000 - 2999 3000 Pumps, motor, heating system 3000 - 3999 4000 Valves, filters, diaphragm, check valve 4000 - 4999 5000 Thermostats, thermometers, pressure gauges 5000 - 5999 6000 Flow monitors, conductivity measuring system 6000 - 6999 7000 Control cabinet 7000 - 7999 8000 Piping, hoses, seals in piping system 8000 - 8999 I 9000 Treatment unit 9000 - 9999 The baseframe provides support for the tains the following components: pumps 3300 (fig. 7), the control cabin-I et 7300 (fig. 3), the heat exchanger o Piping; parts of heat exchanger 2300 2300 (fig. 6) and the piping and which come in co7 tact with the break-valves. er water; built-in components; pro-I tective tubes etc.: Stainless steel Of the active components, the most im-(material no. 1.4301, 1.4404, portant are either duplicated (e.g. 1.4541, 1.4571). pumps 3300) or can be changed re-latively easily during operation (de-e Hose: insulating caoutchouc, ionising resin, conductivity sensors, polyamide. presture gauges, thermometers, etc.). e Seals: Klingerit treated with The breaker water is the medium that graphite; Teflon: synthetic resin; actually cools the live parts of the Viton, etc. breakers and their enclosures. ThiG closed circuit (primary circuit) con-B-1

I B.1 MIXING VALVE 4300 B.2 IN-LINE CENTRIFUGAL PUVP g WITH THERMOSTATS 3300 m (fig. 8, page K-8) (fig. 7, page K-7) ,i The purpose cf the mixing valve with The function of the two centrifugal the two thermostats 4330 (fig. 2, I/7) pumps is to circulate the breaker contained in the breaker water circuit water. is to regulate the breaker water flow temperature; the valve is activated by Attached to the casing 3301 (B/9) with the two thermostats 4330 (K/7). The hex-nuts 3340 (F/6) i3 the bearing desired temperature of the breaker support 3302 (F/4) which Carries shaft water is set by means of adjusting 3303 (F/5) and impeller 3305 (E/9). knob 4337 (G/4) (and indicated on The electric motor 3400 (F/1) mounted temperature scale 4336, F/4). on the bearing support is flexibly con-nected to the shaft 3303 through coup-The valve operates on the fluid-dis-ling segments 3313 (A/2) and 3314 placement principle. When the breaker (A/3). water flow temperatures are low the valve plug 4305 (M/1) is against The pressurized space containing im-seating 4311 (M/2); the breaker water peller 3305 is sealed ^ rom the outside does not flow 19 rough heat exchanger by slide ring seal 3325 (A/6). 2300 (fig. 8b). If the temperature in the breaker water circuit then rises The pump Car be drained by means of above the value pre-set on the ad-plug 3334 (C/9). justing device 4335 (G/5), the fluid in thermostat 4330 (C/4) expands. The Check valves 4415 (fig. 2, F/6, g Actuating pin 4339 (G/2) and spindles F/7) ensure that the pump in operation 4323 (I/6) and 4303 (M/4) are forced is not hydraulically short-circuited upwards, the valve plug 4305 (M/1) is by the stationary pump, a raised from seating 4311 (M/2) and the breaker water then also flows through heat exchanger 2300 (fig. 8a). At the same

time, flow through the bypass B.3 HEAT EXCHANGER 2300 pipe 8360 is reduced.

(fig. 6, page K-6) When the breaker water flow tempe-rature falls, the liquid in thermostat The heat exchanger Consists basic &lly 4330 (C/4) contracts; the flow through of base 2310 (D/8), cooling plate 2320 heat exchanger is choked resp. inter-(C/4) and cover 2330 (C/3). rupted (fig. 8b). The second thermostat 4330 contained in the breaker water circuit is set a B.3.1 BREAKER WATER CIRCUIT few degrees higher and acts as a safe-ty device for the control system. If a fault occurs in the (main) thermostat The water heated in the generator (e.g. break in capillary 4334, E/7), breakers flows at 1 (D/6) into the the second thermostat operates the mix-heat exchanger, flows past tne tubes ing valve by way of crank 4322 (L/7). 2322 (E/4) and the baffle plates 2321 4 (C/3), thereby giving up its heat, and B-2 i

returns at 2 (C/6) into the breaker A voltage is applied to the elect-water circuit and hence into the rodes; if breaker water then flows generator breakers. This circuit is over them, a current passes between vented by means of plug 2323 (F/2) and them which is dependent on the elec-I drained at plug 2326 (A/6, E/6). trical conductivity of the breaker water. (An alternating voltage is applied to the electrodes in order to avoid polarisation phenomena.) B.3.2 MAINS WATER CIRCUIT i Conductivity is measured in The mains water enters the heat ex-absolute terms changer at 3 (C/7), flows through the I tubes 2322 (E/4), so removing the heat produced by the generator breaker, and The accuracy of measurement is leaves again at 4 (D/7). strongly influenced by the s [I cleanliness of the electrodes! This circuit is drained by means of plug 2325 (C/8, D/8). I B.4.2 TRANSDUCER 7360 B.4 MONITORING OF BREAKER (fig. 14a) WATER CONDUCTIVITY (fig. 14, page K-14) The transducer is contained in the Con-trol cabinet 7300 (fig. 3). Its prin-W This monitoring system includes the Cipal Components are limit-value in-following devices: dicator 7361 (D/2), amplifier 7363 (D/3), three-limb transformer 7364 W a) Conductivity sensor 6300 (A/4) and the correcting potentio-b) Transducer 7360 meters 7365 (D/3), 7366 (D/3) and 7367 I c) Limit-value indicators 7361, 7430 (D/4). The test resistor 7370 (D/4), d) Profile indicator 7380 which is needed for testing the dis-play, fits in a clip on the transducer housing. B.4.1 CONDUCTIVITY SENSOR 630C The electrical signals produced by con-1 (fig. 14d) ductivity sensors 6300 are amplified in the transducer and passed on to the limit-value indicators 7361, 7430 and The Conductivity sensor is Contained to the profile indicator 738C in the breaker water circuit (fig. 2, (fig. 14b). C/6). The two Concentric electrodes 6302 (8/8) and 6303 (A/9) form the measur-ing section of the s e n c,o r, the outer electrode 6303 being attached to the sensor housing 6301 (A/7) and thus con-nected to earth, i B-3

I B.4.3 LIMIT-VALUE INDICATORS measure the flow rate in the breaker 7361, 7430 water circui. When water flows, the p 4.s t o n 6324 (C/1) with ring magnett i 6323 (C/3) is prossed more or less against spring 632t (E/3) in accord-B.4.3.1 LIMIT-VALUE INDICATOR 7361 ance with the flow rate. The ring mag-( fig. 14a ) nets 6323 have two functions: a) The ball 6326 (C/1) follows the This limit value indicator, which is m o v E tn e n t and shows the flow rate in mounted in transducer 7360, monitors 1/ min. (USgal/ min.) on the scale the control circuit of the conduct-6327 (D/1). ivity measuring system. If the current falls below 0.1 mA owing to a break or b) In the cap 6330 (B/7) they actuate a defect in the measuring section, the the reed contact requirec for sig-warning signal " failure, -=0.1 mA" nalling warnings / alarms. (fig. 4, point 24a) is given. Mounted in each of the four cooling = lines - 3 for breaker current patn / 1 for breaker enclosure - are two flow B.4.3.2 LIMIT-VALUE INDICATORS 7430 monitors connected in series. If one = (fig. 14b) of the two flow monitors fails owing to too little flow (e.g. 6320, F/3, g fig. 4), relay 7345 (F/4) picks up: W These limit-value indicators are mount-g ed in profile indicator 7380. A value e Contact 80x7 (D/3), closes and of >2 uS/cm is set with the (left) changes over the pumps 3300. m knob 7381 (E/2) (the left-hand needle e Contact 80x7 (L/5), closes and 7383 (E/1) points to 2 on the scale), triggers the warning " flow monitor g >7 uS/cm is set with the right-hand failure" (point 12). 3 knob. e Contact 6Ax (K/8), closes; signal " pump changeover" is given (point 21). e Pilot lamps 7385 (D/4, E/4) indicate B.4.4 PROFILE INDICATOR 7380 which of the two pumps is in opera-(fig. 14b) tion. If then flow monitor 6320 (I/3) also The profile indicator is mounted in

fails, relay 7345 (I/4) picks up; the dcar of control cabinet 7300. It relay 7350 (D/6) picks up after a set shows the voltage produced by the con-time:

ductivity sensor 6300 (trarsducer 7360) and hence the conductivity of e Contacts 80T (D/2, E/2) open and the the breaker water in uS/cm. The scale pump ir operation are stopped. 7384 is set mechanically to zero with e Alarm "no water

flow, pump off" calibrating screw 7382.

(point 14) is given. Flow monitor 6340, which is of exactly the same construction as flew monitor B.5 FLOW MONITORS 6320, 6340 6320, monitors the circulation through (fig. 12, page K-12) the treatment unit 9300. If flow fails, the warning "no water flow to conductivity sensor" is given (point. The flow monitors 6320 monitor and 26). B-4

I B.6 2-STEP THERMOSTAT 5320 heating is switched off and the (fig. 11b, page K-11) signal is cancelled. a) Thermostat for monitoring breaker water flow temperature: 8.7 1-STEP THERMOSTAT 5300 The thermostat has two separate (fig. 11a, page K-11) - 6 systems for setting a minimum and maximum temperature which, if ex-

ceeded, cause the microswitches This thermostat is of similar construc-5323 (E/5, E/8) to operate.

tion to that described in Section B.6, e System I: the lower temperature but has only one system. It monitors (e.g. 5 C) is set by means of the breaker water heated in the gen-cheesehead screw 5326 (F/6) and erator breakers; a signal is given if can be read on scale 5324 (E/5). the set temperature (e.g. 53 C) is ex-e System II: the upper temperature ceeded (fig. 4, point 16, I/6). I (e.g. 43 C) is permanently set with grub screw 5328 (D/5) and should not be altered. The differ-i ence between minimum and maximum B.8 PRESSURE GAUGES 5330 temperatures, in this instance (fig. 1, page K-1) 38 C, is then also maintained if I the minimum temperature is changed. The pressure gauges are filled with glycerine in order to damp pressure i If during operation the temperature fluctuations, of the breaker water falls below Pressure gauge 5330 (fig. 2, H/8) in-the minimum value (5 C), the micro-dicates the pressure in the main water I switch 5323 (E/8) switches, relay circuit, gauge 5330 (I/6) the pressure 7340 (fig. 4, B/6) picks up and in the breaker water circuit. triggers the alarm " water tempera-I ture too low" (point 17a, I/6). If on the other hand the water tempera-tur? rises above the set maximum B.9 CONTROL CABINET 7300 (43 C), microswitCh 5323 (E/5) (fig. 3, page K-3) switches, relay 7340 (C/6) picks up and triggers the alarm " water temperature too high" (point 17b, The c on.: rol Cabinet mounted on the I/6). Cooling unit contains most of the devices for controlling, signalling, b) The heating system 6360 (C/7) is monitoring and metering the operating switched on and off with thermostat status of the cooling plant. 5320 (fig. 2, C/7). If the water Either of the two pumps 3300 (fig. 1, temperature falls below the set I/9) can be started by means of con-value (e.g. 8 C), power contactor trol switch 7305 (0/2), whereupon 7415 (fig.4, G/7) is energized and lamps 7385 (B/1, E/1) indicate which switches on the heating system pump is running. The function of trans-6360; at the sare time, the signal ducer 7360 (F/3) and limit-value in- " heating ON" is given (fig. 4, dicators 7361 and 7430 is described in point 20, L/6). If the water temp-Section B.4.2 and B.4.3. The conducti-erature exceeds the maximum value vity of the breaker water is indicated set on system II (e.g. 18 C) the on profile indicator 7380 (8/1). B-5

I Wa nings are given in response to de-the mixed-bed resin 9340 (H/7), where-fects which have no immediate in-upon one re n absorbs cations from fluence on oor'ation and the'efore the water And the other anions. At I need not be cured immediately (see the same time, the two resins give off l Section G.2).

Alarms, on the other H

and OH ions which again Combine hand, are given in response to defects into water (H O). The deionized water whiCh necessitate a rapid change in flows back into the breaker water operating conditions, or must be cured circuit through pipe 8377 (E/3). N immediately (see Section G.1). When the mixed-b?d resin is exhausted, detectable by a rise in the conduct 1- = vity of the breaker water, they must B.10 TREATMENT UNIT 9300 be replaced or regeneratec'. (fig. 15, page K-15) W (expansion vessel with deionizing filter) B.11 HEATING SYSTEM 6360 W (optional) The treatment unit 9300 is located at an elevated position in the power station (fig. 5); its contents provide If temperatures in the plant are low a reserve for any leakage. Curing (O C end below), the heating is c;eration a small quantity of breaker switched on by thermostat 5320 water always flows through the treat-(fig. 2, C/7) (see also Section B.6, ment unit; in this way the breaker point b). Conditions under which the water circuit is deaerated automatic-heating is automatically switched on: ally. e The breaker water temperature must The level in the treatment unit can be be below the value set on thermostat seen through the sight glass 9360 5320. (H/6).

However, the level is also e There must be sufficient water cir-monitored by the two float switches culating in the breaker

circuit, 9335 (E/6): If the level falls owing i.e.

two flow monitors connected in to a leak, for example, the upper reed seriec must never be out of opera-switch 9331 (fig. 4, C/5)

operates, tion simultaneously for a pre-set auxiliary contactor 7335 (C/6) picks time. (Relay 7350, fig. 4 D/6, will up and triggers the warning " level in then pick up and open a contact in treatment unit low" (point 15a).

If the heating system control circuit.) the level falls further, the lower e There must be sufficient water in reed switch 9331 (C/5)

operates, the expansion vessel

9310, i.e.

auxiliary contactor 7335 (C/6) picks neither of the two reed switches up and opens the contacts 71x2 (D/2, 9331 (fig. 4, C/5) must have dropped E/2); the control voltage to the pump out. W motors 3400 (A/4, B/4) is interrupted and the pump 3300 is shut down. The alarm " level in treatment unit too

low, pump off",

is given (fig. 4, B.12 PROPORTIONAL-SPRING SAFETY point 15b). The pump in operation is VALVE 4400 not shut down unless both reed (fig. 10, page K-10) switches have responded. Contained in the treatment unit ace The purpose of the safety valve con-the deionizing resin holders 9320 tained in the mains water circuit is (H/4). The breaker water flows from to protect the heat exchanger 2300. If pump 3300 (fig. 2, F/6, F/7) through l B-6 l

.'I I I the pressure set on the valve is ex-

ceeded, the va lv e disc 4410 (E/6) lifts from body 4401 (E/7) and so re-i lieves pressure in the mains water circuit.

I i l iI lI ii 1 lI I !I !I !,I r !I J

I

!,I 1 B-7

1 C. PR INCIPLE b) Power contactor 7330 (D/4) cicks up and power is fed to motor 3400 (A/4); pump 3300 starts. The principle of the irdividual de-vices is described in Section B, pages c) Pilot lamp 7385 (D/4) - motor 3400 B-1 ff. (D 88A, A/4) is running - lights up. The DRK 120 self-contained cooling d) Relay 7335 (D/4) is energizec; its plant has two completely separate cool-contacts 6Ax (F/3) close or coen, ing circuits. The deionized breaker and so enable pu.np changeover, water cools the current paths of gen-erator breakers DR 36 u...; with type e) Voltage is applied to the monitor-DR 36 v the breaker enclosure is ing devices. also cooled. 8 The mains water cools the recirculat-f) The breaker water Circulates ing breaker water. (fig. 2): The initially cold water flows frcm pump 3300 (E/6) via the bypass 8360 (G/6) through mixing valve 4300 s C.1 BREAKER WATER CIRCUIT (H/7) to the distributor assembly (fig. 4, page K-4) 8365 (L/7). Here the entire water flow is uniformly distributed by means of diaphragms 4440 (L/6, M/6) Conditions under which one of the two to the three generator breakers A pumps 3300 can be started: (I/2), B (I/3) and C (I/4), the I e Voltage is present in both control enclosures of which are divided up. circuits. The heated breaker water then e All miniature circuit-breakers are passes to the measuring station g closed. 8370 (B/7), where flow rate (flow W e The breaker water circuit is filled monitor 6320, A/6) and temperature with deionized water; the treatment (thermostat 5300, A/7) are moni-I unit 9300 must contain sufficient tored, and so back to the pump. water so that reed switches 9331 (C/5) do not interrupt the control Some of the breaker water - the I circuit of the pump motors 3400 cuantity adjusted by diaphragm 4355 (A/4, B/4). (D/7) - flows through the elevated treatment unit 9300 (C/1) and thus When pump 3300 (A/4) is started by automatically deaerates the breaker I means of control switch 7305 (F/2): water circuit. Located in the treat-ment unit are the deionizing resin a) The contacts of the flow monitors holders 9320 (B/1), the resin of I 6320 (F/3, I/3) are closed because which limits the Conductivity of at first there is no flow. The two the breaker water to acceptable relays 7345 (F/4, I/4) are energiz-values. Incorporated in pipe 8378 ed, their contacts 80x7 (D/5) and (C/3) is the conductivity sensor 80x8 (D/6) close and voltage is 6300 (C/6) which measures the Con-applied to the time-lag relay 7350 ductivity. (D/6), although its contacts 80T (D/2. E/2) open only after a pre-l set time if previously there has been no circulation. C-1

If the breaker water temperature C.2 MAINS WATER CIRCUIT g rises, the mixing valve 4300 (I/7) (fig. 2, page K-2) W is activated by thermostat 4330 l (H/7); the bypass 8360 (G/6) is partly or almost closed - depending The breaker water recirculating g on water temperature and the through the heat exchanger 2300 (H/7) water flows through the heat ex-is Cooled by the mains water. The Changer 2300 (H/7), where it is pressure and temperature of this water cooled by the mains water. The are indicated.on pressure gauge 5330 breaker water flow temperature is (H/8) and machine thermometer 5340 measured and signalled by means of (H/8). 2-step thermostat 5320 (L/7) The mains water circuit is an open (temperature too

high, fig.

4, Cooling system; max. inlet temperatur6 point

• 7b; temperature too

low, as well as minimal water flow rate are point 17a).

C70tained in the specifications relat-If the water temperature is tco ing to the unit.

low, the (optional) heating sy s t err 6360 (C/7) is switched on by way of the 2-step thermostat 5320 (C/7).

The breaker water circuit is a closed-loop cooling system with constant total flow rate. I I I I II t V I I C-2

D. ERECT ION I The suppliers can assume no guarantee for cooling plants which are stored contrary to The self-contained cooling plant has I these instructions, or others been tested in the supplier's works approved by BBC, without detail-and is delivered ready for operation, ed inspection by a specialist packed in wooden crates. specified by BBC! l D.1 TRANSPORT AND UNPACKING D.3 INSTALLING THE UNITS { The

unit, packed in a wooden crate,

$w can be transported by crane or fork-yg To ensure easy operation and mainten-ance, the cooling unit should be free-I Net weight: ly accessible from all sides. The space required can be seen from the o Cooling unit (with water) approx. appropriate dimension diagrams. For re-l 1050 kg moving the pumps 3300 there should be o Treatment unit 9300 approx. 80 kg a crane over the cooling unit. There o 2x30 1 resin mixtur e (airtight must be sufficient space over the cool-package) ing unit to allow cleaning of the heat excnanger 2300. At the foot of frame j a) Remove all packing material. 1300 (fig. 1, F/7) there are four holes for fixing the cooling unit to b) Remove all tags and labels. the foundation. ,/ The self-contained cooling plant The t re atm e n t unit 9300 must be must be unpacked immediately on easily accessible and located E $ite ^"a i"specteo f r d^*^9e i" "i9"er tn^" t"e bre ker a 2** jW transit. Any damage must be and the cooling plant (fig. 5). reported at once in writing to ] the carrier and to BBC. The jg shipment must also be checked for j completeness. D.4 INSTALLING THC HOSES t D.2 STORAGE PRIOR TO ERECTION With generator breakers of type l DR 36 v the cooling water { inlet must be at the extinction If the cooling plant is not erected chamber end. With other types immediately after unpacking, it must the inlet end can be as desired. be stored under the following con-ditions: Store the unit in a

dry, dust-free i

place. The temperature should be bet- ) ween +25 and 40 C.

I D-1

I The hoses are supplied clean to order. When Connecting the hose

fittings, Before fitting the Klingerit W

take care to see that the pipes are seals, Coat them lightly with not contaminated. The hoses are graphite; under no Circum-arranged as shown in the binding stances use oil or grease! piping diagram (example, see fig. 2) and attached to the connecting bends 8380 (fig. 1, E/2; the bends can be If conditions in the plant are excep-rotated 360 ) and to the breaker

tional, e.g.

temperature below 0C, poles. The bending radius must not be apply to the supplier for suitable in-less than 200 mm. structions. The nominal hose diameters must be in accordance with the plant drawings! In D.5 ELECTRICAL CONNECTIONS the case of runs longer than 25 m it is advisaole to choose the next larger nominal diameter (flow resistance). The electrical control leads are con-nected according to the control cir-The hoses from and to treatment unit cuit diagrams and terminal allocation 9300 must rise throughout their length list for the plant. (no downward loops!) so that the breaker water circuit is properly In the case of treatment unit 9300 vented during operation. (fig. 15, page K-15), the ccntrol leads are connected in the local terminal box; the outgoing leads are The flanged joints in the mains water taken through screw connectors and con-circuit must be free from mechanical neCted in Control Cabinet 7300. stresses. The wire Cross-sections required Can Pipes may be used instead of hoses, be seen in the wiring diagram, which is binding. D.6 EARTH CONNECTIONS t The cooling unit and treatment unit 9300 must be earthed to the terminals provided in accordance with national requirements. 3 e Cooling unit (fig. 1) Earthing plate 1320 (F/3). e Treatment unit 9300 Earthing screw 9370 (D/8). t' I D-2

L D.7 PRESSURE GAUGES 5330 Check that all electrical in-(fig. 1, page K-1) struments are set correctly and their operating voltage egrees with the control voltage. Before despatch, the pressure gauges are fitted with screws 5331 (L/1) so b) Check that the thermostats are set that the glycerine cannot run out; correctly. undo these screws, and insert tha vent plugs 5332 (M/2) supplied (attached to c) Check that the welded immersion the pressure gauge in a plastic bag). pockets of the pressure

gauges, thermometers, etc.,

contain suffic-ient silicone oil. Check positions of pipes and hoses against de-D.8 CHECKS ON ERECTION finitive piping diagram; make sure flanged joints and hose connections are tight. a) Check electrical control leads with reference to the appropriate dia-grams and make sure their connec-tions are tight. 1 I D-3

I p ~, I I 1 5 I I I I I I I g l t i 1 I

E. STARTING e Bypass line 8360 (G/6): OPERAT ION vent screw 8361 (H/6). e Ven+ plug 3856 (fig. 1, D/2) at hester 6360. l e Pcessure gauges 5330 (fig, 1): p Commissioning of the self-con-vent plug 4352 (L/3). tained cooling plant should be e Heat exchanger 2300 (fig. 6): l carried out only by skilled Undo vent plug 2323 (F/2) until BBC personel! only water emerges. Commissioning must not start until the cooling unit has g) Top up treatment unit 9300 (C/1) l6 been erected as described in with deionized water. Section D. h) Check that water breaker Circuit is clean: detach hose connection be-fore generator breaker pole A (I/2), start pump and Check that E.1 INITIAL START-UP water emerging is clean; re-connect hose. Repeat this Check for poles B (I/3) and C (I/4). E.' 1 FILL THE BREAKER WATER CIR-i) Top up treatment unit with de-CUIT ionized water and vent breaker (fig. 2, page K-2) water circuit as per point e). P a) Remove deionizing resin holders The pumps must never run with-9320 (fig. 15, H/4) and fill resin out water, even for a short mixture 9340 (H/7) to lower edge of time, as this might damage the nozzle 9322 (H/5) (see illustra-slide ring seal 3325 (fig. 7, tion). A/6)! I b) Check that both control circuits have voltage. c) Fully open all through flow valves E.1.2 CHECK FOR LEAKS IN BREAKER and fully close drain / vent valves. WATER CIRCUIT; CLEAN FIL-TER 6310 d) Check that all piping is clean: (fig. 2, page K-2) carry out a few random trials. e) Fill breaker water circuit with de-a) Close valves 4360 (D/5) to and from ionized water: the filler pipe C treatment unit 9300 (C/1). (G/9) for this is on treatment unit 9300 (fig. 15). b) Pressurize breaker water circuit to test pressure (12 bar). If leakage f) Vent breaker water circuit: is severe, the pressure falls rapid-e Instrument box 8345 (fig. 1, ly. F/5): undo plug 8347 (A/4) until water emerges. To locate minor leakage, maintain e Vent plug 8366 (H/7) before the pressure for some hours; before i mixing valve 4300, and after measurement, take measure-Measuring station 8370 (B/7): ments cf pressure at gauge 5330 e drain plugs 8371 (C/7). (I/6) and of temperature (machine E-1

I thermometer

5340, K/7).

If the turning clockwise. The effective pressure difference is significant flow rate is indicated on flow - taking into account the tempera-monitors 6320. i ture difference - the breaker water Circuit must be searched for leaks. d) Secure Cock with split pin 4444 M If this is necessary, note that the (8/4); bend over split pin, generator breaker poles have been pressure-tested before despatch. Disconnect pressurizing pump. E.1.3.2 TREATMENT UNIT 9300 c) Clean filter 6310 (E/6, E/7): (fig. 16, page K-16) 3 Close valves 4380 (D/6, F/6). e e Remove and clean fi3ter 6310. When refitting the filter, note a) Start breaker water circulating; the flow direction: arrow on check at flow monitor 6340 (fig. 1, mounting 6311 (fig. 13b, E/8) F/6). must point towards pump 1300 (E/6); also, the seals must ce b) with diaphragm 4355 (fig. 1, D/9) concentric in the flanged joints. set a flow rate of approx. 6 1/ min.: o Cpen valves 4380 (D/6, F/6), e Undo hex-nut 4357 a few turns. e Turn spindle 4358 to select re-d) Open valves 4360. quired flow rate; the volume selected can be read on flow moni-e) Top up treatment unit 9300 (C/1) tor 6340 (fig. 1, F/6). with deionized water and vent break-e Tighten nut 4357. er water circuit as in Section E.1.1, point f). E.1.4 CLEAN ELECTRODES OF CON-DUCTIVITY SENSOR 6300 = E.1.3 TO ADJUST BREAKER WATER (fig. 14d, page K-14) FLOW RATE a) In control cabinet 7300 interrupt g supply voltage to transducer 7360 E.1.3.1 GENERATOR EREAKER POLES by means of m.c.b. 7320 (fig. 4, 5 (fig. 13a, page K-13) K/2). b) Close valves 4360 (fig. 2, D/5, a) Start pump 3300 alternately and D/7). g allow water to circulate simul-taneously through all three poles, c) With special spanner 0010 (fig. 1, 3 including breaker enclosure (check F/7), undo bolts 6306, take off at flow monitor 6320). cover 6307 and detach control cable. b) Take out split pin 4444 (B/4). d) Undo flanged joint, remove conduc-tivity sensor and immerse elec-c) Adjust water flow rate by turning trodes 6302 and 6303 in 3 to 4 */. cock 4442 (C/2); each pole must hydrochloric acid; after clecning, have the same water flow rate (see rinse electrodes thoroughly with 9 Technical Data); rate is reduceo by deionized water. I' E-2

a) Transducer 7360 (fig. 14a); mounted The

Cleaned, dry electrodes in Control Cabinet, must have an insulating resist-Technical Data:

ance of at least 1 Mn e Operating current: 0+20 mA (1 million ohms)! e Extended scale with finite end value C 2-10 pS/cm e 0+12-20 mA (alternative: 0-5-25 pS/cm 9 e) Mount c o r.d u c t i v i t y sensor 6300 with 0-12-20 mA) seal 6304 (A/8) in pipe 8378 e Measuring range gecup B (B) (fig. 2, C/5), connect control e Jumper P-1 (P-2) cable and fit cover 6307. b) Test resistor 7370 (fig. 14a); con-f) Open valves ;360 (fig. 2, D/5, D/7). nects to a clip in transducer 7360. Calibration values: 0-2-10 p5/cm g) Switch en control voltage to trans-(0-5-25 pS/cm)

ducer, c) Profile indicator 7380 (fig. 14b);

h) Insert resin holders 9320 (fig. 15, mounted in door of control cabinet. H/4) in treatment unit 9300 and secure with wing nuts 9374 (I/4); d) Limit-value indicator 7430 ( 2 ano top up deionized water if necessary. 7 pS/cm); mounted in profile in-dicator 7380. i) Circulate water and vent breaker water circuit as in Section E.1.1, e) Limit-value indicator 7361 point f). (0.1 mA); mounted in transducer 7360. f) (Multi) meter; 0+60 mA. E.1.5 FUNCTION CHECKS E.1.5.1.1 EOUIPMENT FAILURE; E.1.5.1

CHL, v'JDUCTIVITY MONITOR-I ~ 0.1 mA ING SYSTEM WITH TEST RE-SISTOR 7370 (fig. 14, page K-14) a) Disconnect control voltage to con-ductivity monitoring system by means of m.c.b.

7320 (fig. 4, K/2). The values " equipment failure" b) Disconnect cable 2 of conductivity (ICO.1 mA), 2 and 7 pS/cm have sensor from terminal 2; connect been set in the factory. How-cables 1, 3 and 4 of test resistor ever, it is necessary to check 7370 to terminals 1, 3 and 4 (see that all the values are still fig. 14f); the 1.8 K resistor correctly set in the trans-remains connected. ducer 7360. c) Check that flat connector 7368 (A/4) is plugged to jumper P-1 The following equipment is required (P-2). for this check: d) Remove jumper between terminals 244 and 245 (fig. 4, K/3) and connect meter. E-3

I E.1.5.1.3 ALARM SIGNAL The control voltage must not " CONDUCTIVITY > 7 pS/cm" be switched on if cv Jumper or meter is connected! a) Switch off control voltage. e) Switch on Control voltage and warm b) Detach cable 2x of test resister up equipment for about 15 min. 7370 and connect 2y instead e Auxiliary contactor 7340 (fig. 4, (fig. 14h). K/3) must close. c) Switch on control voltage: e warning " equipment failure" must e Auxiliary contactor 7340 (fig. 4, be given (fig. 4, point 24a). M/3) must close. e Reading on profile indicator e Alarm signal " conductivity 73RO: approx. O pS/cm. >7 pS/cm" must be given (fig. 4, 5 e Reading on meter: approx. 0.1 mA. point 24c). E o Reading on pr lle indicator 7380: 10 pS/cm (2i pS/cm). 5 If the instrument r e ad ir.j s e Reading on meter: 20 mA (20 mA). differ from the desired g

values, the warning signal d) Switch off control voltage, remove g

" equipment failure" must be test resistor 7370 and connect re-adjusted as in Section cable of conductivity sensor 6300 E.1.5.2.1. (fig. 14e). e) Switch on control voltage. E.1.5.1.2 WARNING SIGNAL If the instrument readings " CONDUCTIVITY -2 yS/cm" differ from the desired v, lues, the alarm signal " con-ductivity >7 pS/cm" must be a) Switch off control voltage, re-aujusted as in Section E.1.5.2.3. b) Connect caule 2x of test resistor to terminal 2 (fig. '?)). c) Switch on control voltage: e Auxiliary cont =ctor 7340 (fig. 4 E.1.5.2 A DJUSTf.'ENT OF CCNDUCTIVITY l L/3) must close. MONITORING SYGTEM l e Warning signal " conductivity (fig. 14, page K-14) j j >2 yS/cm" must be given (fig. 4, l point 24b). e Reading on profile indicator 7380: 2 pS 'cm (5 pS/cm). E.1.5.2.1 EQUIPMENT FAILURE; e Reading on meter: apprrx. 12 mA I O.1 mA W (12 mA). a) Interrupt control voltage with If the instrument readings m.c.b. 7320 (fig. 4, K/2). differ from the desired val-ues, the warning signal " con-b) Connect test resistor as in Section g j ductivity > 2 pS/cm" must be E.1.5.1.1, point b). i re-adjusted as in Section E.1.5.2.2 E-4 l

IL c) Set profile indicator 7380 h) With potentiometer 7365 (P-0, D/3), '. f i g. 140) mechanically to zero by set meter to O mA. means of calibrating screw 7382 (G/1). For the following proceedures, d) Cneck that flat connector 7368 the settings of potentiometers (A/4) is set to jumper P-1 (P-2). 7362 and 7365 must not be altered! e) Withdraw limit-value indicator 7361 from transducer 7360 (fig. 14c) and adjust potentiometers 7371 (G/5) and 7372 (F/6): e Turn potentiometer 7371 to mini-E.1.5.2.2 WARNING 51GNAL mum by turning cheesehead screw " CONDUCTIVITY >2 pS/cm" 7373 counterclockwise (arrow) un-til a slight clicking Can be heard. a) Switch off Control voltage to trans-o Turn potentiometer 7372 to maxi-ducer. mum by turning cheesehead screw 7373 clockwise (arrow). Mount b) Detach cable 2 from test resistor limit-value indicator 7361 in 7370 (D/4) and conrect 2x transducer. (fig. 14g). f) Switch on control voltage to trans-c) Switch on control voltage. ducer and allow equipment to warm up for about 15 min, d) On profile indicator 7380 (E/1) set a value of 2 pS/cm with left-hand g) Adjust to equipment failure with kneb 7381 (E/1); the needle 7383 potentiometer 7362 (C/1) and 7365 (E/1) must point to 2 on the Scale (P-0, D/3): 7384 e Set potentiometer 7362 (C/1) to approx. 7 */.. e) with potentiometer 7366 (P-X, D/3) e With potentiometer 7365 (P-0, adjust to the following values: ~ D/3) set a current of approx. Auxiliary Contactor 7340 (fig. 4, 0.1 mA. L/3) switches: e with potentiometar 7362 locate CLOSE Reading on profile indicator switching points of auxiliary 7380: approx. 2 yS/cm [ rontactor 7340 (fig, 4, K/3). (approx. 5 pS/cm) CLOSE Reading on profile indicat-Reading on meter: 12.3 mA or 7380: approx. O pS/cm (12.3 mA) ( Reading on meter: IiO.1 mA OPEN Reading on profile indicLtor warning signal " equipment 7380: approx. 2 pS/cm failure" must be given (approx. 5 ps/cm) [ (fig. 4, point 24a). Reading on meter: 12 mA OPEN Readirg on profile indicat-(12 mA) or 7380: approx. O pS/cm Warnir.g signal " conductivity Reading on meter: I*0.3 mA >2 pS/cm" must be given (fig. 4, point 24b). J If auxiliary contactor 7340 does not switch at these values, turn potentiometer 7365 (P-O, D/3) clock-wise to higher setting, and again locate switching point. E-5

I E.1.5.2.3 ALARM SIG .L d) Remove meter; fit jumper. " CONDUCTIVITY >7 pS/cm" a) Switch off control voltage. I b) Detach cable 2x from test resistor E.1.5.3 CHECK FLOW MINITORS 6320 7370 and connect 2y (fig. 14h). (fig. 2, page K-2) = c) Switch on control voltage. Assume that Circuit of generato" break-4 d) On profile indicator 7380 (E/1) set er pole B is to be tested, a value of 7 pS/cm with right-hand E knob 7381 (G/1); the right-hand a) Start pump 3300 (E/6). 5 needle 7383 (F/1) must point te 7 on the scale 7384, be Pull out plugs 6331 (fig. 12) on I both flow monitors 6320 (8/6). g e) with potentiometer 7367 (P-Y, D/4) adjust to the following values: c) Close valve 4370 (B/6). g Auxiliary contactor 7340 (fig. 4, 5 L/3) switches: d) Insert plug of one flow moaltor: j CLOSE Reading on profile indicator e Changeover takes place frcm pump 7380: approx. 7 pS/cm 3300 (E/6) to 3300 (E/7). (approx. 23 pS/cm) Warning signal " pump Changeover" e Reading on meter: 19.5 mA is given (fig. 4, point 21). (19.5 mA) e Warning signal " flow monitor fail-03EN Reading on profile indicator ure" is given (fig. 4, point 12) 7380: approx. 7 pS/cm (approx. 20 pS/cm) e) Insert plug of second fJon monitor; Reading on meter: 18.3 mA after a time set on time-lag relay (18.9 mA) 7350 (fig. 4, D/6) The running pump is switched off. e e The alarm signal "no water flow" ( fig. 4, point 13) is given. E.1.5.2.4 FINAL PROCEEDURES f) Open valve 4370 (B/5), a) Finally, the two calibration values g) If there is no pump Changeover or 2 (5) and 10 (25) of test resistor switch-off with the corresponding 7370 (D/4) must be adjusted: alter-signals, the check is carried out nately connect cables 2x and 2y of on two other flow mcnitors. If in the test resistor to terminal 2, this case the pumps change over or and adjust potentiometers 7366 switch off, the first system tested j (P-X) and 7367 (P-Y) until meter has a defect (coil of at,xiliary con-shows 12 or 20 mA; reading on pro-tactor; control lead, etc.). file indicator 7380 (E/1): 2 and I" 2n the recond system there is 10 pS/cm (5 and 25 pS/cm). again no pump changeover ca switch-3ff, tne pump c tia ng e o v e r u b) Switch off control voltage. switch-off and/or motor cor:t ol systems att> defective. c) Remove test t?sistor 7370 and con-nect cable of conductivity sensor 6300 (fig. 14e). I E-6

~ E.1.5.4 FLOAT SdITCH 9335 IN TREAT-the motor protection switch 7310 MENT UNIT 9300 must respond (pump is switched Cff). j (fig. 15, page K-15) c) Connect phase and saitch on motor protection switch. a) Start pump 3300. b) Close valves 4360 (fig. 2 D/5). E.1.6 SET MAINS WATER CIRCUIT IN c) Disconnect filler pipe C (F/9) from OPERATION treatment unit 9300. (fig. 2, page K-2) d) Gently open valve 4360 (H/8) and let water run out until the upper a) Mount flowmeter in mains water cir-reba switch 9331 (F/5) operates: cuit. o Auxiliary contactor 7335 (fig. 4, C/6) picks up. b) Mount supervisory pressure gauge in e Warning signal " level in treat-outlet from trains water circuit. p ment unit low" is given (fig. 4, point 15a). c) Connect mains water circuit to mains supply: e) Open valve 4360 (H/8) and drain e Vent mains water circuit by means t r e a trae n t unit: of vent clug 2323 (fig. 6, F/2) e The lower reed switch 9331 oper-on heat exenanger 2300, ates. e Measure flow rate, e Auxiliary Contactor 7335 (fig. 4, o Measure, pressure drop; difference C/6) ricks uri:

p. r p is switched between pressure gauge 5330 (H/8) off.

and supervisory pressure gauge. s Alarm signal " level in treatment e Read inlet temperature on thermo-I. unit too lor, pump changeover" is meter 5340 (H/8,. given (fig. 4, point 15b). T) Connect filler pipe C (G/9) to as in Section E.1.2, point b)* test treatment unit 9300 and fill unit pressure: 7.5 bar. with deionized water, j e) Shut off mains water circulation g) Open valves 4360 (fig. 2, D/5). and remove flow meter and supervis-ory pressure gauge. h) Check Con (%.Ctivity of breaker water When this work is completed, I the cooling unit can be put E.*.5.5 FAILURE OF MOTORS 3400 into service.

However, the (fig.

4, page K-4) generator breakers must not be I put on voli'ge until the elec-trical cc.ductivity of the a) Disconnect voltage on motor 3400 breaker water is lower than (A/4) with motor protection switch 1 uS/cm! 7310 (B/3). If this value cannot be ob-tained, the resin mixture must b) Disconnect one phase on

motor, be Changed as in Section switch on motor protection Switch E.1.1, point a);

Clean 7310 Gnd start pump 3300. The motor dectrodes of conductivity sen-heats up, and after a certain time sor 6300 as in Secticn E.1.4 I E-7

I E.1.7 PRESSURE GAUGE 5330 e After draining completely, fit (fig. 1c, page K-1) hose Connections and screw in all plugs (wrap threads with teflCn tape): blow out breaker water cir-Check reading; cooling unit in opera-cuit with clean, dry and oil-free tion. compressed air: connection for compressed air at plug 8347 d) CI,ose stop valve 4350 (K/3). (fig. 1, A/6) of instrument box 8345 (F/5). b) Undo cap nut 4351 (I/2) and screw in supervisory pressure gauge. c) Function checks as in Section E.1.5. c) Open stop valve 4350 and compare readings on gauge 5330 and super-Voltage must not be appliec to visory gauge. If the difference is the generator breakers until greater gauge 3330 must be replaced. the Conductivity of the b"eam-er water is less than 1 pS/cm. 5 d) Close stop valve 4350. e) Remove supervisory gauge and screw on cap nut 4351. E.3 UPJUSUAL OPERATItJG CCfJ-g f) Open stop valve 4350; vent pressure DITIOrJS 3 gauge 5330 with screw 4352 (L/3). If the two water circuits are shut down and there is a chance that the temperature in the station will fall E.2 STARTIrJG UP THE BREAKER to OC or lower, the breaker water WATER CIRCUIT AFTER PRO-must be drainea off as in Section E.2, LOtJGED SHUTDOwtJ point c). (fig. 2, page K-2) If during the commissioning stage or at times of low or no-load the room a) Check control voltages. temperature falls towards +0 C, the breaker water and mains water circuits b) Fill up tceaker water circuit witn muut be shut off, deionized water as in Section E.1 and run pump until the conductivity of the breaker water is less than If the breaker water or mains W 1 pS/cm. If tnis conductivity is water supply

fails, the not attained, the breaker water cir-generator current must be re-cuit must be drained, duced as specified for the

= e Disconnect hose connections on breakers, or the breaker poles generator

breakers, distributor must be disconnected!

assembly 8365 (fig. 2, L/7) and measuring station 8370 (B/7). o Open valve 4360 (C/2) on treat-ment unit 9300. Circulation of the breaker e Heat exchanger 2300 (fig. 6): water must not be interrupted drain plugs 2326 (A/6, E/6). while voltage is applied! ) e Pumps 3300 (fig. 7a): plug 3334 5 (C/9). I .-.E 8

k E F.

CHECKS, MA IN-F.1.1.2 SLIDE RING SEAL 3325

TENANCE, OVER-HAULS I

The slide ring seal is maintenance-free and is lubricated and cooled by f the flow medium (breaker water). The I When carrying out this work, pump must therefore never run without make sure that neither oil nor water, even for a short time. l grease got into the breaker I water circuit! With the slide ring seal in working order, a little water escapes during l operation at gap "a" (K/1). However, if leakage increases owing to heavy wear on slide ring 3331 (G/2) or seat F.1 CHECKS 3326 (G/2), the slide ring seal must be replaced (see Section F.2.1.2). Checks are carried out with the generator breakers under F.1.1.3 RUNNING THE PUMPS 3300

voltage, the self-contained cooling plant is in operation.

Do not dismantle any parts To avoid damage to the pumps due to when Carrying out Checks. standing idle, they must be run alter-nately once a month for a short time (approx. 10 min.) if ti:e y have not been switched over at shorter inter-vals. F.1.1 IN-LINE CENTRIFUGAL PUVP 3300 (fig. 7, page K-7) l I F.1.2 CONDUCTIVITY OF BREAKER WATER I F.1.1.1 ANTI-FRICTION BEARINGS 3306, 3307 The conductivity must be checked regul-arly on pro #ile indicators 7380 I (fig. 3, control cabinet). If it is The pumps require no special mainten-higher than 7 pS/cm, the deionizing ance. At intervals of 3000 running resin 9340 must be changed (see I

hours, anti-friction bearings 3306 Section F.2.2.1).

(A/5), 3307 (F/4) should be greased at nipples 3333 (F/4, F/5). Grease quality recommended: SHELL ALVANIA No. 3 or equivalent. F.1.3 PRESSURE GAUGE 5330 Amount: approx. 10 grams per bearing. (fig. 1d, page K-1) Take regular readings of pressure. C'

I F.1.4 LEVEL IN TREATMENT UNIT F.2.1.1 CHANGING MOTOR 3400 9300 (fig. 7, page K-7) (fig. 15, page K-15) Check water level each week and if If the second pump fails while necessary top up with deionized water. this work is in progress, the generator current must be re-If b eaker water is being lost, check duced in accordance with the for leaks in piping, flange connec-specifications relating to the E tions, etc. breakers, if the conductivity during operation beforehand g was higher than 10 uS/cm. If the Conductivity is below F.2 MAINTENANCE; COOLING UNIT 10 uS/cm, stationary water is W IN OPERATION permissible for 24 h, provided I the permitted temperatures are not exceeded. Maintenance / overhauls in-g volve replacing parts with the a) Disconnect voltage in control cabin-g cooling unit in operation. The et 7300 with motor protection generator breakers may, or may switch 7310 (fig. 4, B/3, C/3). not, be carrying the full serv-ice current, b) Disconnect electrical leads in motor terminal box. I c) Remove motor; mount coupling half 3313 (A/2) on shaft of new motor F.2.1 IN-LINE C3NTRIFUGAL PUf/P and secure with hex-bolt 3337 (F/2). 3300 (fig. 7, pa;- K-7) d) Mount

motor, connewt electrical leads and switch on motor protec-tion switch.

The motors 3400 (F/1) have permanently lubricated bearings. After approx. e) Check rotational direction of pump 10,000 running hours and a room temp-(see arrow on bearing support 3302, I erature below +40 C, the bearings must fig. 7d). be dismantled, cleaned and re-greased. (See operating instructions for three-phase motors.) f l, F.2.1.2 REPLACING SLICE RING SEAL The bearings must also be cleaned and 3325 5 checked at intervals of three years. (fig. 7, page K-7) If leakage is severe, the entire slide ring must be replaced. Do not remove protective cover until immediately be-fore fitting. ] a) Close valves 4380 (fig. 2. D/6, F/6) before and after the pump 3300 i (E/6). I F-2

EL b) Disconnect voltage in control cabin-p) Fit new seal 3319 (F/6) in gland et 7300 by means of motor protec-plate 3304 (8/9), place pump on f tion switch 7310 (fig. 4, B/3). housing 3301 (B/9) and secure with L h?x-nuts 3340 (F/6). c) Discennect power lead in motor ter-minal box. q) Connect electrical lead in motor g terminal box. d) Undo hex-nuts 3340 (F/6) and lift pump and motor from housing 3301 r) Open valves 4380 (fig. 2, D/6, F/6) ( (B/9). before and after the pump. Switch on motor protection switen 7310 e) Bend up tab washer 3322 (I/8). un-(fig. 4, B/3). screw nut 3323 (I'9) from shaft 3303 (I/6) with impeller nut s) Check rotational direction of pump spanner 0005 (in control cabinet) (see arrow on bearing support 33C2, (left-hand thread!) and t ak e of f im-fig. 7d). peller 3305 (D/9). t) Vent breaker water circuit (as in f) Undo hex-nuts 3336 (F/6). Section E.1.1, point e). g) Undo countersunk screws 3341 (E/9) and remove gland plate 3304 (B/9) from bearing support 3302 (F/4). F.2.1.3 CHANGING THE ANTIFRICTION BEARINGS 3306, 3307 ^ h) Mark position of slide ring on (fig. 7, page K-7) shaft 3303 (F/5) with felt pen. I i) Losen grub screw 3342 (M/4) a few After about 18,000 running hours the turns and remove slide ring seal bearings must be cleaned, checked and

3325, clamp ring 3330 (G/4) and re-greased, seating 3326 (G/2).

In the case of 24-hour operation it is k) Lightly oil 0-ring 3329 (G/3) of advisable to change the bearings after new slide ring seal, and also shaft 18'000 hrs because worn bearings have 3303 in the region of the slide greater play and this has a harmful I ring seal. effect on the true running of the pump shaft.

1) Push slide ring seal 3325 and clamp-I ing ring 3330 on shaft (note mark-Regardless of the number of running-ing!) and secure with grub screw hours, the bearings must be inspected 3342.

and re-greased after five years. m) Fasten gland plate 3304 (B/9) with a) Close valves 4380 (fig. 2, D/6, new gasket 3320 (F/6) to bearing F/6) before and after the pump 3300. I support 3302 (F/4) with countersunk screws 3341 (E/9). b) Switch off pcwer with motor prctec-tion switch 7310 (fig. 4 B/1). n) Fasten clamping plate 3310 (A/6) to Disconnect electrical leads in gland plate 3304 (F/6) with hex-motor terminal box. nuts 3336 (B/9). c) Undo cheesehead screws 3338 (F/2); o) Mount impeller 3305 (D/9) and new lift motor 3400 ( / ) from bearing lock washer 3322 (I/8) on shaft support 3302 (F/4). 3303 (I/6) and secure with impeller nut 3323 (I/9). Torque: 29 Nm. Bend over lock washer. F-3

I d) Premove bearing

support, impeller q) Proceed further as in Section a rid slide ring seal as in Section F.2.1.2.

F.2.1.2. E e) Undo hex-screw 3337 (F/2) and draw coupling halves 3314 (A/3) from F.2.2 TREATMENT UNIT 9300 shaft 3303 (F/5). Take out key 3335 (fig. 15, page K-15) (F'3). f) The off bearing covers 3311 (A/6) If the cooling plant is continuously and 3312 (F/4). in operation and not contaminated from outside (e.g. leakage in heat exchang-g) Remove shaft 3303 (F/5) in direc-er 2300) the resin mixture 9340 need tion of impeller, not be changed for about 2 years. W l h) Remove bearings 3306 (A/5) and 3307 A warning is given at a breaker water (F/4) and clean with gasoline or Conductivity of 2 pS/cm. W water-free kerosene; never leave the bearings dry for long. g e Check bearings for corrosion, The deionizing resin 9340 m scoring and play, must, however, be Changed not e After cleaning and inspection, later than 7 p3/cm (alarm). E grease bearings (for grade of g grease, see Section F.1.1.1, page F-1). Then turn bearing inner and outer rings against each other a few F.2.2.1 CHANGING RESIN MIXTURE 9340 times so that all surfaces are (fig. 15, page K-15) lubricated.

1) Mount bearings in bearing support a) Close valves 4360 (fig. 2, D/5);

3302 (F/4); slide inner ring of warning signal "no water flow treat-roller bearing 3306 (B/5) on shaft ment unit" is given. 3303. b) Undo wing nuts 9374 (I/4); remove k) C5ange Gaco-rings 3317 (F/3) and resin holder 9320 (H/4) from treat-3318 (F/5), ment unit. I

1) Mount bearing cover 3312 (F/4) and c) Undo wing nuts 9325 (H/4); take out secure with cheesehead screws 3334 plug 9323 (H/4) and change ring (F/3).

seal 9324 (H/4). m) Insert shaft 3303 from impeller end. d) Empty out exhausted resin 9340 (H/7). n) Mount coupling half 3314 (B/2) and a secure with hex-screw 3337 (F/2). e) Fill resin holder 9320 with new E resin 9340 to beneath nozzle 9322 ol Fit bearing cover 3311 (B/6). (see fig. 15). E p) Slide clamping disc 3310 (A/6) and f) Unscrew nozzle 9322 (H/5) and clean. g seating 3326 (A/6) on shaft 3303. E g) Mount plug 9323 in resin holder 9320 and secure with wing nuts 9325. cA

k h) Place resin holder 9320 in treat-F.2.4 CHANGING THE 2-STEP THERVO-ment unit 9300 and secure with wing STAT 5320 nuts 9374 Open valves 4360 (fig. 11b, page K-11) (fig. 2, D/5); check conductivity on profile indicator 7380 (fig. 3, B/1) after approx. 15 min. Lower switching point (system I), t <5 C ( < 8 C; heating) i) Top up treatment unit with de-Upper switching point (system II), ionized water. t >43 C ( >18 C; heating) a) Disconnect voltage in control cabin-F.2.3 CLEAN ELECTRODES OF CON-et 7300 with m.c.b. 7320 (fig. 4, DUCTIVITY SENSOR 6300 C/5). (fig. 14d, page K 94) b) Undo four cheesehead Screws and take off cover. After the initial starting operation or after installation in the breaker c) Disconnect control cable, water circuit electrodes 6302 and 6303 must be cleaned 2 to 3 times every d) Unscrew cap nut and remove thermo-1 to 2 months as in Section E.1.4 stat. The electrodes must also be cleaned after refilling the breaker water cir-e) Check lower switching point syst-cuit or if they got dirty due to a em I, <+5 C ) : break-down. e Connect buzzer or battery test I The precision of measurement depending lamo to terminal block 5327 (syst-on the cleanliness of the surface of em I) (terminals 1 and 2). the electrodes, they must be Cleaned e Check that dial 5324 is set to o regularly according to the cleanliness S C; if

not, adjust with screw of the breaker water circuit.

5326 (F/6), e Fill a container with water at I a) Interrupt voltage to conductivity 4C and immerse thermostat sens-sensor 6300 by means of m.c.b. 7320 or; signal must be given. (fig. 4, K/2). I f) Check upper switching point (syst-b) Close valves 4360 (fig. 2, D/5, em II, > +43 C) : D/7). e Connect buzzer or test lamp to I terminal block 5327 (system II) c) Dismount

onductivity sensor and

( terminals 1 and 2); no signal. clean electrodes as in Section e Fill a container with water at I E.1.4; replace seal 6304 (A/8) when 44 C and immerse thermostat sens-fitting conductivity sensor. or; signal must be given. d) Open valves 4360. The setting of dial 5324 must I not be altered during this e) Switch on m.c.b. 7320. check! f) Vent breaker water as in Section E.1.1 point e. g) Check that welded immersion tube stil? contains sufficient silicone oil or heat-conducting paste. l F-5

I h) Insert t he rmo s tat in immersion tube F.2.7 CLEANING FILTER 6310 and secure with cap nut. (fig. 13b, page K-13) W i) Connect control cable and ftt cover. k) Switch on Control voltage with If a pump Changeover occurs m.c.b. 7320 (fig. 4, C/5). during this

work, the gene-rator cur ent reduced in accordance with the specifi-cations for the breakers!

F.2.5 CHANGING PRESSURE GAUGE g l 5330 l (fig. 1c, page K-1) Example: filter 6310 ( fig. 2, E/6 ) l s W a) Close valves 4380 and remove filter a) Close stop valve 4350 (K/2). from pipe. 'I b) Remove faulty pressure gauge. b) Dismantle filter: o Clean strainer 6313. c) Wrap thread of new gauge with e Change seals 6314 Teflon tspe and screw in; remove locking screw 5331 and screw in c) Assemble filter and mount in pipe, vent plug 5332. Note flow direction see d) Undo cap nut 4351 and screw in test arrow on mounting 6311! The gauge. arrow must point towards the pump. j e) Open stop valve 4350 slonly (press-ure surges!) and compare reading on l both gauges. Replace gauges if d) Open valves 4380. W differences are great. e) Vent breaker water circuit as in I f) Close stop valve 4350; remove test cection E.1.1 point e) and top up W gauge and screw in cap nut 4351; deionized water if necessary. first wrap thread with Teflon tape. g) Slowly open stop valve 4350 and h l vent pressure gauge with vent screw F.2.8 CHANGING REED SWITCH 9331 4352. Ir. TREATMENT UNIT 9300 g (fig. 15, page K-15) I F.2.6 THERMOMETERS 5340 a) Interrupt control voltage to reed switch 9331 (F/5) with m.c.b. 7320 (fig. 4, C/5); signal "m.c.b. fail-When changing the thermometers, make ed" is given, sure that the immersion tube contains sufficient silicone oil or heat-con-b) Take off cover 9351 (G/2); discon-ducting paste. nect control cable of float switch 9336 (E/6). l'l c) Undo cheesehead screw 9371 (B/3) and remove terminal box 9350 (D/4). F-6 L

d) Remove float switch 9335. a) Open bypass valve 4380 (fig. 2, I/8), close valves 4380 (H/7, I/7, [ e) Undo nipple 9334 (F/5) and remove I/6). L reed switch 9331 b) Undo cap nut 4325 (K/6); and care-f) Mount new reed switches 9331 (F/6) fully fasten ccmbination assembly in switching tube 9333 (F/5); note 4320 (M/8) with adjustment units switching points of 165 and 435 mm, 4335 (G/6) to pipe (Do not damage capillaries 4334, E/7!). g) Check switching points: e Connect meter or buzzer to the c) Disconnect flange joints on mixing two cables. valve and change valve; when assemb-e Hold switching tube vertically: ling, make sure that the seals are flra-. "332 (E/7) is then in the Concentric between the flanges, lower position and triggers a sig-nal. d) Fasten adjustment units 4335 (H/5) e Move flcat fully upwards: signal with combination assembly 4320 is cancelled. (M/8) to mixing valve with cap nut 4325 (K/6). Set desired temperature h) Secure reed switch 9331 by means of with adjusting knob 4337 (G/4) (set nipple 9334, temperature can be read on scale 4336, F/4).

1) Mount float switch 9335 in treat-ment unit 9300 (note collars 9368, e) Open valves 4380 (fig. 2, H/7, I/7,

{ D/4). I/6), close bypass valve 4380 (I/8); check for leaks at flanged k) Press terminal box 9350 on glands joints on mixing valve. of float switches and secure with cheesehead screws 9371. f) Should the breaker water flow temp-erature be too high set it lower by

1) Connect control cable of float means of adjusting knob 4337 switch; fit cover 93S1.

g) Vent breaker water circuit as in m) Switch on control voltage (m.c.b. rection E.1.1, point f). 7320, fig. 4, C/5). F.2.10 CHANGING THERMOSTAT 4330 F.2.9 CHANGING MIXER VALVE 4300 (fig. 8, page K-8) (fig. 8, page K-8) a) On both thermostats, undo grub screw 4343 (C/2) and draw ceat sens-Since the breaker water flow or 4331 (C/6) out of immersion pock-temperature cannot be regula-et 4342 (C/7). ted while doing this, it must be read regularly from thermo-b) Undo cap nut 4340 (G/3) and remove meter 5340 (fig. 2, K/7)! adjustment unit 4335 (G/5) complete with heat sensor 4331. c) Check that immersion pocket 4342 still contains sufficient silicone oil. M F-7

d) Fasten neu adjustment unit 4335 to b) Undo nut 6332 ( / ) and taw e off E combination assemblj 4320 (M/8) cap 6330 ( / ). g with cap nut 4340. l c) Change flow monitor (wraD thread e) Insert heat sensor 4331 in immer-with hemp). sion pocket 4342 and secure with grub screw 4343. d) Replace cap 6330 and secure with nut 6332. f) Set temperature at full load, using adjusting knob 4337 (G/4) if the e) Open valves as in point a). difference to the desired tempera-ture is great; temperature is shown f) Top up breaker water cir;uit with on scale 4336 (F/4). deionized water. I g) Switch on control voltage. F.2.11 CHANGING FLOW MONITOR 6340 h) Vent breaker water circuit as in Section E.1.1, point f). Procedure as under F.3.1.

However, i) Carry out function check as in only the two valves 4360 (fig. 2, D/5, Section E.1.5.3.

D/7) need to be closed. I F.3.2 CLEANING THE MAINS WATER F.3 OVERHAULS; COOLING UNIT SIDE OF HEAT EXCHANGER 2300 l NOT OPERATING (fig. 6, page K-6) W a) Close valves 4380 (fig. 2, G/7, l For the following work the H/7) and 4390 (G/7, H/7), t generator breakers must carry g only a reduced service current b) Unscrew plugs 2325 (C/8, D/8) and 3 (see specifications relating drain mains water side. to breakers). The two control circuits are interrupted c) Unscrew plugs 2326 (A/6, E/6) and 3 (m.c.b.

7320, fig.

4, D/2, drain breaker water. E/2). d) Losen flange connections 1 (E/6) and 2 on heat exchanger, e) Unscrew hex-nuts 2312 (A/6) and F.3.1 CHANGING FLOW MONITOR 6320 remove cooling plate 2320 (C/4) by (fig. 12, page K-12) means of crane. d) Undo cover 2330 (C/3). Example: flow monitor 6320 (fig. 2, C/6). g) Attach cloth (not cotton waste) to a rod and clean cooling tubes 2322 (E/4, inside diameter 12 mm). Flush l a) Close valves 4360 (fig. 2, D/5), cooling tubes thoroughly with water. 4370 (A/5, B/5, C/5), 4380 (D/6, Heavily calcified tubes must be D/7). cleaned with an adequate fluid. l F-8

h) Clean base 2310 (D/8). F.3.3 BALL VALVE

4360, 4370, I

4380, 4390 i) Place new seals 2324 (A/6) on base (fig. 9, page K-9) {

2310, fit cooling plate 2320 and I

secure temporarily with hex-screws 2311 (A/6) and he x-n ut s 2312. Example: ball valve 4360 (fig. 9b). l k) Connect flange Connections 1 (E/6) and 2 (C/6) to heat exchanger. a) Undo hex-nuts 4363 (C/8) and remove

1) Fasten hex-nuts 2312 (F/2).

b) Change seatings 4367 (B/8) anc hous-m) Fit new seal 2324 (B/1), position ing seals 4368 (C/8). cover 2330 (C/3) and fasten. c) Mount ball valve in pipe and secure n) Screw in plugs 2325 (C/8, D/8), with hex-nuts 4363 (C/8). 2326 (A/6, E/6), d) Fill treatment unit 9300 with de-o) Open valves 4380 (fig. 2, G/7, H/7) ionized water. and 4390 (G/E, H/8). e) Vent creaker water circuit as in p) Top up treatment unit 9300 with Section E.1.1, point f). l deionized water. f) Check overhauled ball valve f o r-q) Vent breaker water circuit as in leaks. Section E.1.1, point f). I I I I I I I I I I C-9 1

E E O E E N E E E N E 4 N E N G. iROUSLE-SHOOTING G.1 ALAAM SIGNALS Effect on operation Possible cause Actson to cure fault G.1.1 Breaher water intet None, so long as water teep-al Mining valve 4300 defective Open bypass 8360 (fig. 2, 1/8) at temperature too high erature la below man, per-and open valves 4380 (H/F, 1/T) onc e (fig. 4, paint 1TD) mitted value. If the manimoe temperature is enceeded, how-b) Thermostat 4330 of te*perature regulator Open bypass 8360 (fig. 2, 1/8) at ever, the operating current 4300 ao longer correc t ly set, or and open valves 4 3R0 (H/F, 1/F) once must be reduced as per spec t-defective Check t empera t ure set t ing, c hange t hermo-fications for breakers; take stat as in Section F.2.10 if necessary generator brea%ers out of service as sonn es possible, c) 2-etep thermostat 5320 defective Change therecstat as in Section F.2.4 h and check di Mechanical filter 6310 f ouled Clean filter as in Section F.2.F g (check pressure) e) Foullag on mains water side of heat es-Clean heat enchanger as in Section F.3.2 g changer 2300 f) Pressure in mains water circuit too lew Check mains water circult; check that and / or water temperature too high; valves 4390 (fig. 2. G/F, H/F) are fully leakage open G.1.2 No water flow (fig. 4,

1. Flow f ailure in current a) Through valve (e) in breaker water cir-Check that all through valves are open points 13 and 14) paths: cnnduc t iv it y s 9.SyS/cm cult partly or fully closed pumps have been changed reduce operating carrent or shut down as per specifications b) Tw) fine monitors 6170 connected in Change flow monitors as in section f.3.3 g

for breakers; series defective disconnectbreakers after 24 hours c) Mechanical filters 6110 fouled Clean filter an in Section F.2.F. c heck g If c onduc t i v i t y i s > 9. SpS/cm, pressure in breater water c ircuit generator breaker must te disconnected at once d) Pipe in breaker water circuit (esclud-Peeedy fault. g ing generator breaker) crushed or burst; Top up treatment unit with de tentred

2. F low failed in breaker leahage: alarm signal "tevel in treet-water.

enclosure: ment unit too low, pump OF F " i s g i v en Start pump and went breat er wa t er c ircuit reduce operatlog current as in Section f.1.1, point f) as per specifications for breakers; continuous el F ault in electrical control circuit Chech control system h operation permatted at reduced current Disconnec t gener a t or breakers f) Pipe t,roken in ge nera tne t,reak er See point G.1.2 d). g ima,ed ia t el y Hone Reed switCl* 9331 in treatment untt 9300 Change reed Swatch as ln Sect 3on f.2.H defective Hemedy within 1 hour /3 hours /24 9purs

G.1 AL AN S10NALS fflect on operation Possible cause Action to cure fault G.1.3 Breaker water inlet None, so long as breaker wate.- al Mining valve 4300 def ective Open bypase 8360 (fig. 2, f/85 at temperature too low temperature does not fall be-and close valves 4300 (H/T, I/F) once (fig. 4, point 1Fa) low freening point. Change valve as in Section F.2.9 If room temperatures are hl0 er Condensation water bl 1hermostat 4330 of alsing valve open bypass 8360 (fig. 2, 1/8) at h may occur 4300 no longer correc t ly set, or defective and close valves 4 3R0 (H/ T, I/F) once Check temperature setting, change thermo-stat as in Section F.2.10, if necessary c l 2-s t ep t herwiost at 5320 defettive Change thermostat se in Section F.2.4 d) lleater 6360 defecttwe Change heater el 2-step thermostat 5320 of heate" defective Change thermostat as in Sect ion F.2.4 (? Fault in elec trical cont rol c ircuit Check control system G.1.4 Breaker water return None, so long as water t emp-a) to g), see G.1.3 See G.1.3 temperature too high erature is below the man. per-(fig. 4, point 16) mitted value. teomever, if the h) T hermost a t $3nra de f ec t ive Change thermostat manimum temperature is cucceJ-ed, the operating current must be reduced as in specifica-tions for the breaker G.1.5 Level in treatment unit Reduce operating current as in el tenhage in breaker water circuit See G.1.2, point d) too low specifications for breakers. tftg. 4, point 1Sb); flegarding conduct ivit y, pump changeover and see G.1.2 pump OFF None b) Reed saltch 9331 in treatment uni t 9MO Change reed switch as in Section F.2.8 defective cl Fault in elec trical control circuit Check control system h G.1.6 Pump changeover None, so long as suf ficient al Slight leak in brecher water c ircult; See G.1.2, point d) (fig. 4, point 21) breaber water circulates; 2 flaw monitors connected in series switch over control switch have respondr'j F305 to the running pump. No standby avat able b) Mechanical f ilter 0310 fouled Clean filter as an Section f.2.7 (cheth pressure) Remedy wit hin 1 hour /3 hnurs /24 hours one-ma" aur= ser en-aus-- aus-as as amm aus an ens-su mueP nW" am-an-aus

.h G.1 AL AAM SitNALS Effect on overstina f'essthie esume Action to cure f ault el through valve partly cr f ully closed (hec 6 that als walves are open di fault in electrical control elrcult therb control system Reduce operating current as in el flow =anitor 63?O failed Change flow monitor as in Section f.1.1 specifications for breakers e hyrfra. ale part Change swi tching cap 6110 e electrical part G.T.T temperature of breaker Reduce operating current as al Mechanical filter 63?O fouled Clean f ilter as in Sectlon f.2.F e ac !.s ur e t oo h i gh in specifications for Icherb pressure) ( 75 C, flg. 4 breakers h point 18) b) fouling an mains water side of heat en-Clean heat enchanger as in Sec t ion f. 3.7 changer 230s) c) tenhage in breater water circuit See G.1.?, point dl None d) thermostat 1176.6/26.7) in tireaker Change t hermot t a t enclosure def ect lwe c) thermostat 5300 (fig. 2. A/F) defective Change thermostat G.1.R ronduc t ivit y of break er None, so long as conduct ivit y al fiesin 9140 in treatment unit enhausted Change resin as in Section f.7.2.1; wat-r :e7 pS/cm is lower than 10 uS/cm and monitor ceaductivity (fig. 4, point 24c); water circulatest if water circulates this value is esceeded, the b) teahnge in heat e nc hanger 2300 R**edy leakage generatar breakers must be d isc onnec t ed h None c ) f lectredes nf renduc t iv it y sensor Mimi Clean electrades as in Section E.1.4 contaminated h d) t imit-value switch T4 3t1 arnngl y set or "e adjust Ilmit-value switch as in esectioa E.1.5.7, or replace defective el fault in control circuit Check control system h G.1.g Conductlvity m9.5 pS/cm; Disconnecc generator breakers no water flow lawned i a t e l y h /3 hnurs h /?4 bnurs fremedy within 1 hour

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c. l c.

m e u R t 0 MF mc mc mf mp A 1 9 1 l ) ) i l a b c d e G G n am l l1, l Il,

l ( f ( b a tina to c ure fault G 2 WARNING SIGNALS E f f ec t on operation Po9sible cause c G.2.1 Failure of one flow None; cont inuous alarm " pump a) Cap of a flow monitor is defective " witch cortrol switch f30S to running monitor chaageover" is given pump; chaage cap f (fig. 4, polet 12) b) Mechanical filter 6's10 fouled Clean filter as in Sectann F.2.f J c) Through valve (s) partly er Chec k that all through valves are l Fully closed fully open d) Fault in cont rol c ircuit Check control system G.2.2 Level in treatment unit None, so long as level does al Leakage in breaker water circuit See G.t.2, point di l 9 300 low not fall further (fig. 4, point 1541 bl Reed switch 9331 in treatment unit C h ne,* reed switch as in Section F.2.8 9300 defective l t G.2.3 Conduc t it l* y of break er None, so long as breaker water a) Electrodes of conduct iv it y sensor 6100 Clean electrodes as in Section f.1.4 water > 2 y"> / c m circulates contaminated (fig. 4, point 24bl b) Regin 9340 (treitment unit 9300) Make ready to change resin; monitor con-enhausted duc t 1 it y c) Limit-value Ind ic a t or f430 wrongly set Re.adjupt limit-valu* indicator as an or defective Secttan f.1.5.2, or repl ac e d! fault in contrnt c ircuit Check content system c) Correcting potentiometer P-= wrongly Adjust potentiometer as in asfjusted Sectinn E.1.9.2 f) Adjusting k nob f 3R1 on profile Adjust prnfile indacator as indicator wrongly set in "ection F.1.3.2 g) Mains water getting into breaker wster Remove heat enchanger 2300 and cure def ect G.2.4 Conductivity measure-None, so long as breaker water a) Fault la control circuit Check control system ment: equipment f a ilure c irculates; conduct iv ity can I <0.1 mal f ig. 4 no longer be monttnred b) Fault in transducer f360 Change t ransducer or parts of it point 24a) and if it rises too high, this will not be sig-c) Limit-value indicator f361 wrongly met Re-adjust limit-value indicator as in nalled. or defective Section E.1.5.2, or replace G.2.3 No water flow to treat-None, conductivity of the al Through valv* putly or fully closed Charh that all valves are open ment unkt 9300 breaker water is no innqer s measured h) F low monitor 6340 defective Change flow monitor /3 hours h /24 hours o Remedy within 1 hour o i 1 t__________ m

G.2 WARNifG SIG4mLS fffect on operation Pussible cause action to cure f ault G.2.6 4 miniature c ircuit-breaker trips al m.c.b. 1120 (Sp) No further signal given if Shnrt c ircuit, etc. Chech Cnntrol system 1-step thermostat 5300 water return temperature is esceeded; visual check of temperature necessary bl m.c.b. F320 (64) Sceaker water temperature is Shor t C ircuit, etC. CheCh control system t%ermostat 5320 (T26) no longer monitore<f; visual chech on thermometer 5140 necessary c ) m.c.b. 7320 18r) reed No s;gnal given if level in Short c&i* git, etc. Check control system switch 9331 in treatment treatment unit falls unit 9300 di m.c.b. F320 (8tl super-tra rn ing s igna l '*m.c.b. tripp-Short c ircuit, etc. Check control system wision of other m.c.b.'s ed" is g6ven el m.c.h. 7320 (Ru) temp-E stessive enclosure tempera-Short c irceel t, etc. Chech control system erature of breaker en-ture is no longer signalled closur+ f) m.c.b. F3?O (Bel F-vrtp 6%ating system 6360 is no Garv t r i rc ui t, etc. Check control system thermostat 5320 (126.5) longer regulated gl m.c.b. 7405 tes) Heater 63rd can no longer be Short circuit. etc. Check control system settched on h) m.C.b. T320 (By. 83) None, the ground resistence a) Isometer defective Change isometer isometer 1375 is no loager measured b) Fault in control circuit check control system G.2.5 r*ating system 6360 None, so long as breaker water al Heating system 6160 defective Change heating systee 6 breaker water Circuit) Circulates failed bl Power contactor 141S defective Chech power contac tor and control system c) m.c.b. F320 (6s) amt, or TAOS Change m.a..b. (Sal defective dl 2-step thermostat S920 (126.S9 Change thermostat as in Section defective f.2.4 G.2.0 58 eating system T325 None al Heating system defectave Change heating system (control cabinet) failed b) m.c.b. (8v) efef ec t ive Change m.c.b. ho.c, ,3 hours g ,2. - ur, e Reme4,.ithin en s w sum = amp mus-aus-mus-em an amm me as me. mm amp ser uns-aus aus

l-H. PART S L IST H.2 ORDERING BY SAMPLE I The following list contains all the The information in section H.1, points I wearing parts, replacement parts and a) to f) is also required if parts are standby parts, identified by a

• in ordered by submitting a sample.

these instructions. In correspondence you are kindly askeo

1) Wearing parts: Parts which have to to State the type and serial nuToer, be changed from time to time, de-pending or mechanical and/or elec-trical wear.

H.3 STCRAGE INSTRUCTICNS

2) Replacement parts: Parts which need to be changed in order to ensure reliable operation until the next Spare parts required for a general I

overhaul. overhaul are to be ordered in time at BBC. l

3) Standby parts: Parts whiCh are not j

necessary for normal routine main-Rubber components (seals etc.) are to W tenance,' but need to be available be kept in a cool, dry place prctected in the event o# a defect. Stocks of from light and sun. Even under these I these parts are recommended. Conditions, these parts Can be stored for a limited time only. l H.1 CROERING r To avoid time-consuming enauiries, the j following information must be given I when ordering: l a) Number and name of parts as stated I in these instructions I b) Quantity C) Item of aquipment for which the parts are interded d) Type designation, and serial number e) Voltage and frequency for elec-trical equipment f) Values (temperature, flow rate I etc.) which are to be adjusted by the factory I I H-1

I PARTS LIST to train assembly Baseframe 1000 Number Part of parts Part name Fig./Page K-No. per element 0005 Impeller-nut spanner 3 g 0010 Special spanner for conductivity 1 sensor 1300 Frame 1 1310 Ring bolt 1 1320 Grcund plate 1 I I I I I l I I I I h I I H-2 l _

I l PARTS LIST to main assembly l Heat exchanger 2000 I Number Part of parts Part name Fig./Page K-l No. per element l 2300 Heat exchanger 1, 2, h 2310 Base 6 2311 Hex-screw 6 2312 Heu-nut 6 2320 Cooling plate 6 2321 Baffle plate 6 2322 Cooling tube 6 2323 vent plug 1, 6

• 2324 2

Seal 6 2325 Drain clug 6 2326 Discharging plug 6 2330 Cover 6 2331 Plug 6 I I I 1 H-3 l

I I! l PARTS LIST to main assembly Pumps, motor, heating system 3000 g Number Part of parts Part name Fig./Page K-g No. per element 3300 In-line centrifugal pump 1, 2, @ 3301 Housing 7 3302 Bearing support 7 3303 Shaft 7 3304 Gland plate 7 3305 Impeller 7

• 3306 2

Anti-friction bearino 7

• 3307 2

Ball bearing 7 3308 Support bolt 7 3309 Connecting flange 7 3310 Clamping disc 7 = 3311 Bearing cover 7 3312 Bearing cover 7 au 3313 Coupling nalf 7 3314 Coupling half 7 5 3315 Coupling bolt 7 l 3316 Rubber buffer 7

• 3317 2

Gaco-ring 7

• 3318 2

Gaco-ring 7 l

• 3319 2

Flat packing 7

• 3320 2

Flat packing 7 3321 Key 7

• 3322 2

Lock washer 7 3323 Impeller nut 7

• 3325 2

Slide ring seal assembly 7 3326 Seating 7 3327 Housing 7 3328 Pressure spring 7 g 3329 O-ring t,eal 7 3330 Clamp ring 7 3331 Slide ring 7 9 H-4

I PARTS LIST to main assembly Pumps, motor, heating system 3000 Number Part of parts Part name Fig./Page K-No. per element 3332 Pressure ring 7 3333 Lubricating nipple 7 3334 Plug 7 3335 Key 7 3336 Hex-nut 7 3337 Hen-screw 7 3338 Cheeseheadscrew 7 I 3339 Cheeseheadscrew 7 3340 Hex-nut 7 3341 Countersunk screw 7 I 3342 Grub screw 7

• 3400 2

Electric motor 1, 2, 4 1 ,I ,I II l \\I lI iI l I lI II l l H-5

I PARTS LIST to main assembly valves, filters, diaphragm, chech valve 4000 Number Part of parts Part name Fig./Page K-No. per element

• 4300 1

Mixing valve 1, 2, @ 4301 Housing 8 4302 Base 8 4303 Spindle 8 4304 Adjusting nut 8 4305 Valve plug 8 4306 Bellow 8 4307 Bellow plate 8 4308 Guide piece 8 4309 Pipe 8 4310 Seating path A 8 4311 Seating path B 8 4312 Plate 8 4313 Guide piece 8

• 4314 1

Seal 8

• 4315 1

Seal 8 4316 Hex-screw 8 4320 Combination assembly 8 i 4321 Housing 8 4322 Crank 8 4323 Spindle 8 m 4324 Cone 8 4325 Cap nut 8 4326 Piston 8 4327 Retaining ring 8 4328 Seal 8

• 4329 1

Ring seal 8

• 4330 Thermostat 2, 8 4331 Heat sensor 8

4332 Threaded nipple 8 4333 Threaded nipple 8 H-6

PARTS LIST to main assembly Valves. filters, diaphragm, chech valve 4000 Number Part of parts Part name Fig./Page K-l No, per element 4334 Capillary 1, 8

• 4335 2

Adjustment unit incl. heat sensor 433' 1 8 l 4336 Temperature scale 8 4337 Temperature adjusting knob E 4338 Bellow 8 4339 Actuating pin 8 4340 Cap nut 8

• 4341 1

Ring seal 8 I 4342 Immersion pocket 8 4343 Grub screw 8 I 4345 Non-return valve 2, 15 4350 Pressure gauge stop valve 1, 2 I 4351 Cap nut 1 4352 Vent screw 1 2, h 4355 Diaphragm 1, 4357 Hex-nut M6 16 4358 Spindle 16 4359 Locking disc 16 4360 Ball valve ND 15 1, 2, @ 15 l 4361 Housing 9 4362 welding flange 9 4363 Hex-nut 9 4364 Nut 9 4365 Shim 9 4366 Spring washer 9

• 4367 6

Seating 9

• 4368 6

Housing seal 9

• 4369 6

Ring seal 9 4370 Ball valve ND 20 1, 2, @ 4371 Housing 9 4372 welding flange 9 H-7

I-PARTS LIS7 to main assembly Valves, filters, diaphrag9, Chech valve 4000 Nu~ber Part of parts Part name Fig./Page K-W No. per element 4373 Hex-nut 9 i 4374 Nut 9 4375 Shim 9 4376 Spring aasher 9

• 4377 16 Seating 9
• 4378 16 Housing seal 9
• 4379 16 Ring seal 9

4380 Ball valve ND 40 1, 2, @ 16 4381 Housing 9 4382 welding flange 9 4383 Hen-nut 9 4384 Nut 9 4385 shim 9 4386 Spring nasner 9

• 4387 18 Seating 9
• 4388 18 Housing aeal 9
• 4389 18 Ring seal 9

= 4390 Ball valve ND 50 1, 2, @ 4391 Housing 9 = i 4392 Welding flange 9 4393 Her-nut 9 W 4394 Nut 9 4395 Shin 9 4396 Spring nasher 9

• 4397 4

Seating 9 3

• 4398 4

Housing seal 9

• 4399 4

Ring seal 9 3 2, h 4400 Droportional-spring safety valve 1, B 4401 Body 10 4402 Spring cap 10 4403 Vent cap 10 H-8

I PARTS LIST to main assembly Valves, filters, d i a p h r a g-1, checi, valve 4000 I Number Part of parts Part name Fig./Page K-No. per I element 4404 Spindle 10 4405 Spring 10 4406 Guice disc 10 4407 Susn 10 4408 Ball 10 4409 Pre.-sure screw 10 l 4410 Valve disc 10 l 4415 Recoil valve 2 l 4440 Diaphragm 1, 2, 4441 Sleeve 13 4442 Cock 13

• 4443 4

0-ring seal 13

• 4444 4

Split pin 13 I ,I I 'I 3 I I

I g

H-9

t PARTS LIST to main assembly Thermostats, thermometers, pressure gauges 5000 fJumber Part of parts Part name Fig./Page K-No. per element 2, 4, h T5300 4 1-step thermostat 1, 5301 Housing 11 5302 Cover 11

• 5303 4

Micro-switch 11 5304 Scale 11 5305 Disc 11 53u6 Cheesehead sCren 11 5307 Terminal block 11 2, 4, h

• 5320 2

2-step thermostat 1, 5321 Housing 11 5322 Cccer 11

• 5323 4

Micro-switch 11 5324 Scale 11 5325 Disc 11 5326 Cheesehead screw 11 5327 terminal block 11 5323 Grub screw 11

• 5330 2

Pressure gauge 1, 2 5331 Locking screw 1 5332 vent screw 1

• 5340 6

Machine thermometer 1, 2 I I I 1 I H-10

E 5' FL PARTS LIST to main assembly Flon monitors, conductivity measuring system 6000 Number Part

f parts Part name Fig./Page K-No.

per element 2, 4, h 6300 Conductivity sensor 1, 6301 Sensor housing 14 6302 Inner electrode 14 6303 Outer electrode 14 w

• 6304 1

Seal 14 6306 Bolt 14 6307 Cover 14 2, h 6310 Filter 6311 Mounting 13 6312 Cover 13

• 6313 2

Strainer 13

• 6314 4

Seal 13 2, 4, h

• 6320 8

Flow monitor 1, 9 6321 Casing 12 6322 Inlet nozzle 12 6323 Ring magnet 12 6324 Piston 12 6325 8 Spring 12 ri 6326 Steel ball 12 6327 Scale 12

• 6330 8

Switching cap 12 6331 Plug 12 6332 Cap nut 12 2, 4, h

• 6340 1

Flon monitor 1, 6341 Casing 12 6342 Inlet nozzle 12 6343 Ring magnet 12 6344 Piston 12

• 6345 1

Spring 12 6346 Steel ball 6347 Scale 12 l H-11 l

i PARTS LIST to main assembly 3 Flow monitors, conductivity measuring system 6000 Number Part of parts Part name Fig./Page K-No. Der element

• 6350 1

Switching Cap 12 6351 Connector 12 6352 rap nut 12

• 6360 1

Heating system 1, 2, 4 1 e i i h i l i l t 1 1 H-12

PARTS LIST to main assembly Control cabinet 7000 FL number Part of parts Part nam 9 Fig./Page K-No, per element 1, h 7300 Control cabinet 7305 Contrcl switch 3, 4, 14 7310 Motor protection switch 3, 4 7315 Miniature circuit-breaker 3, 4 7320 Minitaure circuit-breaker 3, 4 l

• 7125 1

Heating system 5, 4 7330 Power contactor 3, 4 l 7335 Auxiliary contactor 3, 4 7340 Auxiliary contactor 3, 4 7345 Auxiliary contactor 3, 4 7350 Auxiliary contactor 3, 4 ( 7355 Thermostat 3, 4 3, 4, h 7360 Transducer 4, h

• 7361 1

Limit-value indicator I 7362 Limit-value adjusting potentiometer 14 7363 Amplifier t 14 7364 7nree-limb transformer 14 7355 Correcting potentiometer P-O 14 7366 Correcting potentiometer P-X 14 7367 Correcting potentiometer P-Y 14 I 7368 ~1at connector for choice cf e-cale 14 range 7369 Connecting terminal olock 14 7370 Test resistor 14 7371 Potentiometer 14 I 7372 Potentiometer 14 7373 Cheesehead s c r <_% 14 I 7375 Isometer 3 3, 4, h 7380 Profile indicator 7381 Adjusting knob 3, 14 i 7382 Calibrating screw 3, 14 H-13 )

l PARTS LIST to main assembly Control cabinet 7000 I Number Part of parts Part name Fig./Page K-No. per element 7383 Pointer 3, 14 7384 Scale 3, 14

• 7385 2

Pilot lamp 3, 4, 14 7390 Hours-run counter 3. 4, 14 7395 Transformer 3, 4 7405 Miniature circuit-breaker 3, 4 74*O Transformer 3, 4 7415 Poner contactor 3, 4 7420 Poner transformer 3, 4 7430 Limit-value indicator 3, 4 ?I i .I II ,I I l ,.I N__ H-14

L L_ PARTS LIST to main assembly l [ Piping, seals in piping system 8000 Number I Fart of parts Part name Fig,/Page K-l No. per element I 8300 Connection assembly, inlet 1, 2 8315 Connection assembly, outlet 1, 2 8345 Instrument box 1 8347 Plug 1 i= 8353 Discharge pipe 1, 2 8354 Pump connection for auxiliary 1, 2 operation I 8355 Intake line 1, 2 8356 Vent screw 1, 2 8360 Gyoass line 1, 2 8361 Vent screw 1, 2 8365 Distributor assembly 1, 2 8366 Vent screw 1, 2 8370 Measuring station 2 8371 Vent screw 2 8375 Cylinder assembly 1 8377 Hose from treatment unit 1, 2 8378 Hose to treatment unit 1, 2 I 8380 Conr.ceting beno 1 8381 Dust cover 1 8384 Drain outlet 1 I I I I i g H-15

I PARTS LIST to main assembly Treatment unit 9000 Number Part of parts Part name Fig./Page K-No. per element 2, 5, h 9300 Treatment unit 9310 Expansion vessel 2, 15 9320 Deionizing resin holder 2, 15 9321 Cylinder 15 9322 Nozzle 15 9323 Plug 15

• 9324 2

Ring seal 15 9325 Wing nut 15 9330 Float switch 15

• 9331 2

Reed switch 2, 4, 15 9332 Float 15 9333 Switching tube 15 9334 Nipple 15 = 9335 Float switch 15

• 9340 ca.30kg Resin mixture 15 9350 Te rminal bo x 15 9351 Cover 15 9352 Cheesehead screw 15
• 9355 2

Air filter 15 9360 Sight glass 15 i

• 9361 2

Seal 15 9362 Clip 15 9363 Screw plug 15 9364 Protection plug 15 i 9365 Protection plug 15 9366 Screw plug 15 9367 Gland 15 9368 Cable protecting sleeve 15

• 9369 2

0-ring seal 15 9370 Grounding screw 15 9371 Cheesehead screw 15 ( H-16

I i I PARTS LIST to main assembly Treatment unit 9000 i E g Part of parts Part name Fig./Page K-No, per 1.-ont l 9372 Cap nut 15 lE 9373 Hex-nut M 6 15 ig i 9374 Wing nut M 8 15 ilg 9375 Spring washer 0 5.3/12 15 ig j 9376 Spring washer 0 6.4/14 15 9377 Spring washer 0 8.4/18 15 9378 Spring nasner 0 14/28 15 .f l lI 2 i;I' 1 ,i p I i l l 1 1 f H-17

e O F13 1: Cacital plaat D4d RO 1300 F r ame 6300 Conductivity seesor 1310

1. 1ag bolt

• 6320 Flos mo nit o r 1320 Grour.d plate

'6340 Flc monitor l

• 6360 eentteg system i

2300 meat esceaeger 2323 vent plvg 7300 Control canteet 3300 In-I sae centrif ugal peep 8300 Connection asssecoly. Anlet

• 3400 Electric motee 8315 Connection assembly, outlet 834S Instrumeat bos 4300 Wasseg malee 8347 Plug 4334 Capillary 8353 Ciscearge pipe i
• 4335 adj.s teent want 8354 Pump cocaection foe tac 1. meat sensor 4331 awa, operation 4350 P essure gawge stop walve 8355 Intaae pape 4351 Cap not 8356 vent scre.

4352 weet scre. 8300 eyoass 4 Mo ~%, 5 204 435S Caashrage 8361 vent scre. 4360 Ball valve ND 15 SMS Dastributor assemely '4 EX) %%, 4370 8411 valve N3 20 8366 vent scree e 566 4380 Sall =alve ND 40 8375 Cyllader assemely 8547 - m 4330 Ball valve ND 50 P377 pose from treatment unit 4400 PrGscrtional-spring safety walve 8378 Hose to treatment unit 4 5gg,,, 4440 Diesera ge 8380 Connecting tend 8381 Dust cover r >>3 --- 5300 1-step thermostat 8384 Drain outlet 4300 --- 3320 2-step thermostat $330 Pressure gauge 4350 -- 5331 Loch scre. 5332 vent scre. ,, gg,,, 5340 f ee rmome t e r su? --- i ss30 - Lee 011 5540 - O 400 9 4333 "" i l i ~ 4390 # 4440 7 e e 4370 # e e -- - -. n - n. e e .-,m. e, . ~ ~.. -- - - ~ ~ ~ ~. - - -. .~-m-- ~ - - ~ N. I 3

k ~' a i 6 4 i 3331 '- Q dg

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.c a . u.i. - 3 g* 2m ,m f 5 Z,7 ,,,e .,r ssi c .,,0 e. e g ,g "a ~ g, ' '_ j s .c 5540 N f N t g $ $ g. M F SA ((/ " =,r ~ M ? f,J,f C, ]@.3,,,,l qg, /" v e ~'" b a .m

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• • o0 r, se

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I a \\ I ,,,. 2,,,ps, e a,.. i- ~..s ' 89. l, * -. y I 2300 P'est esceaeger 8300 Connection asse*oly, Intet .- j- ,3,,'

• gg I

p, . - _. - - ~ _ 3500 3300 Pwap 8353 Osscharge pipe ',. '7 * @ q 8315 Coecectica asse=oly, outlet j e j ~ i

• 3400 Electeac motoe 8354 Peep connection for

?,' ' j ' [9320 M..,,, ylM fl '9 awa. operation -~ b-4300 =1 1 s valve 8355 Intaae line ...A 3 N;' -c4. A +4330 feereostat 4356 Weet p1w2 s.. .*

• Q 3d' Idgssoe) 4345 hon-retura valve 8360 Grpass line 4350 Pressure gauge stop valve 8361 beat plug 435S Onapare3*

8365 Castrioutor asseeoly 4360 8411 valv e ND 15 8360 vent p1wa i il .T.i.., l. 4370 tall set.e NO 20 8366 vant plug

• 'l" l~

,g ,M 4380 Ball valee w 40 8370 Weasertag station ( 4390 8411 valve ND 50 83F1 Vent plug 8

• l 4400 Proporttotal-scetag safety valve 83FT Ptpe from treatment 3

?

g want e ',.. ).

i 441$ Recoil valve 8378 Pape to treatment unit 4440 01apocage I l l ' l*, 9300 Treatment unit

• S300 1-step thermostat 0320 Cetonistag resta nolders

~ ' - }', .i,,.[ " g*..l i

• S320 2-step thermostat
• 4331 Reed sentca eS330 Pressure ga ge l_

,l' l* 1,' e, ,j 1's *, ". l-j l = \\ 5340 macoi.e t.er-o.,ie, e6300 CWwc tivity sensor g - [4 a,8,C Generabr circuit-oreaaer poles i I l. p--

==

1 [- .l

• 6320 Flos coattar

,.. l g ' '[ 6310 Palter K Cooling waat l [,

• S340 Flos monitor 726.0,#"c a s t W(' 78T "*'I*ITYd~-

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• M l*w a ta m aeter 6360 ma t ang s,ste.

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• 2

• call '

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Fig. 3: Control cabinet 7300 ( 7305 Control switch 7380 Profile indicator 7310 Motor protection switch 7381 Knob 7315 Miniature circuit-breaker 7382 Calibrating screw 7320 Miniature circuit-breaker 7383 Pointer

• 7325 Heater 7384 Scale 7330 Power contactor
• 7385 Signal lamp 7335 Auxiliary contactor 7390 Hours-run counter 7340 Auxiliary contactor 7395 Transformer 7345 Auxiliary cnntactor 7405 Miniature circuit-breaker

,7350 Auxiliary contactor 7410 Transformer 7355 Thermostat 7415 Power contactor '~ 7360 Transducer 7420 Power transformer 7375 Isometer 7430 Limit-value indicator 0005 Impeller-nut spanner O e I I .a

A l 8 i C l 0 0 7381 E I I F i 7383 7380 \\ 7382. ..c.. ., :.. ? ,.C. 7381 s i .,,7384 .\\ .i.. ..,; s. ..'?. ,'.s

/. ' 's l

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'i qN l 4 1 7340 4-26 8 j irir o'* 4 C' T1 T [' 7360 0 (26: i m .L I. - ~5= I (99A,99F) 26st,74 , UI M. I' It , l.1 ~ 4& ' j #; i i r ir 1 7360 Ap'C. 'd. in.g# 14 */}.Je.k J T i 'c, : ' ?. .'-J ,y&}r-r"' ' f. 3Q 7350 (2,48 A,48! 1 h (74) (7335)\\lj k [' + Qnj h %_*?"l' W I1 i 4 BOU 7320 9 - - 'h s l j- 'N 4i 1 a i i i i i i ii i i i ii i !4 .-uuuuuuuuuuuuuuuu l L; - (8 e,. 81) .. s -+----.-['-.,. 7355(T26 CH) ,--. - e c - - 2 muser r-7310 n s f g . j..,; r (Ba,eW I,es}. gg .a_., 7375(50-1,50-2.* .M i - i, .r f - i I7 I Tc .c -. _ m i ,w t , y'~ - M . J-u ( >g: a i.a .tmggm 7405(an' '.i 7345

l',,

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• cwme.p.J..

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• I'

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• / !

8-l I. l - _.1-l 1._, ,.,g 3 eX e Q l 00 2 m25 ? (CN1) 3 y I '93 JV 19256c C k-3 i

l b/ Du Fig. 4: Flo dia2eam

• 3400 Electric motor 11 Heating systees 11a treaker ater circuit 5300 1-step thermostat 11b control cactnet S320 2-ste, thermostat 6300 Consectivsty sentar
• 6320 Flo. monitor 12 Flo. monitor failure
• 6340 Flo monitae 12a pole A I
• 0360 Heater 120 pole a 12c pole C 730S Control senten 124 breamer enclosure 7310 Motor protection suiten 7315 uiniature circutt-breaker 13 No eatee flo.

7320 utniature circatt-breamer 13a pole A

• 7325 Heater 130 pole 9 7330 Po.or contactor 13c pole C 7335 Ausiltary contactor 13d breaa+r enclosure 7340 Ave 111acy contactor le water f1ce ailed; pwap CFF 734S Availlary contactor 7350 Availlary contactor 15 Level in treatment unit 7355 inereostat 1ta lo.

i 7360 Transducer 15e too 1o.3 pump CFF +7361 Ltest-value tadtcatoe 1 8 Mamer wate temperatan 7383 Pe3 file indicatoe 8

• 7395 Sagac1 lamp 7390 Howes-run countee 17 Sceamer eater te*perature 7395 Transformer (to creaker) 7405 miniature circuit-treaner 17a too 10.

7410 Transformee 170 too nian 741S Po.ee contactor 18 Breamer housing te+perature too 7420 Po.ee transformec h198 7430 Limat-ealue indacatae 18a pole A

• 4331 Reed s itch 180 pole 8

] 'E E* 1 Pump motses l 1a motor A 1w o.c.b. 1D ector D heating failed 19a control cabinet 2 Control 19e Dreakee eater circuit 2a motoe A 20 motor 8 20 Heatin) in breanec.ater cir- ""'I 3 voltage selection 21 Pump changeovee 4

• .onitoring of coolang =ater flo.

22 N u n o m age fa h 5 Condec tivity messere ent J 23 - r ii" .ater te,e,atw,e ea creamer poles 24 Conawc tivity of breakea.ater 6e cooling unst 24a 2 ma; toutp= eat f ailure 240 > 2 ps/ce 7 Level in treatment untt 24c >7 pS/ce l e 8 Pu*P c*argeovee 25 Flow monitoe failed (trea*eent 9 Miniature circuit-creamers unat) ,0 .,ea,er oo..in, te,er.tu,e 1Ca pole A 100 pole 0 10c pole C i L I

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l 4 1 Flo, 9: Asetestele 1e.et offferences A Cooling wait 9300 Treatment untt e Generator breener pole

a e

t ) l 1 4 3 I I, = 6 I 1 I = 4 o I, m l ) l i 4 t +=mgene e-g e \\ I b s e - - - - - - - _ - - -b

~ .i 4 4 e 6 6 6 e a a a a i e i 4 4 i F L" J e-- sm O g C. lll! l !/ g, d A 1 ' .m n nI cc a gg s h Il I 1 u o a t /////> L______ p r 2 - 4 a,, a y,sx .J l g .-- suo g q, _ _ p 29 31< - 11 s h. l .a 1,, 9 E oooo fx AWMNAAV/AM \\ g ~ e 8 o' A o 5 g Es @ [a 3 0000 p ,,y, Sy^w^< 2. w-i 1 l l l

. _ = l = l Fig. 6: Heat exchanger 2300 s l \\ l 2310 Base 1 Breaker water inlet 2311 Hex-screw ,2312 Hex-nut 2 Breaker water outlet l 2320 Cooling plate 2321 Baffle plate 3 Mains water inlet 2322 Cooling tube 2.123 Vent plug 4 Mains water cutlet

• 2324 Seal 2325 Orain plug 2326 Drain plug 2330 Cover 7 i I

2331 Plug &4 1 } ~~ J l 6 h i i 5 I b i i i 1 t E f o\\ i f '1 i rp

(. o I e i c 6 0 6 E I F I t g 2314 j l k s 4 $2324 \\ I N i A s i / i 'b;, 21 L T N-N l.i y r w y-2323

7

~ l 1 2334-2312 v' .J ~ 2330 l i t r i z ).., l,, ' l l A + 3 l h ll, {l,.. 8 2324 m,; l j-2322 l[...g..$ j I 2320 l..

==.. .= I l 8 7 ' a a. I ~r

===, .: 1:n c: :: l { s k .au 24'S

P t

ll.k!} i!- l 2326 '~'4gj l.. j...7@ =~'~~-~ '!~ 1 - ll 1 I t i i l' 2326 +2324 .__}C~ . l ~ l ~ ,/ -... -}- y 2342 [

• " * * ** *\\

l 3.-- 4 t 2325 2310 2 25 I Fig. 6 3 e Ka 6

_.s m.. e l I .I q .i f \\ i 1 j Plc. h faltae esatenfwaal pwap 3300 I, ', ~ {. l, 3301 Howstag e3322 (ggg eg gr.g p 3302 Besetag support 3323 Iepeller aut 3303 Pnaft

• 332S Sitae ring seal asse*ely 3304 Gland plate 3326 Seattag

= 3305 lopeller 3327 Mowsing

• 3306 Anti-friction naaetag 3328 Presswee spring

1. 3307 Sall neaetag 3329 0-rtag seat 3300 Support bolt 3330 Claap ring 3309 Connecting flange 3331 $1&oe ring f

r 3310 Claaptag dtsc 3332 Presswee ring 3311 Beartag cover 3333 Lubricattag alpple 3212 Bearing cover 3334 Plug 3313 Coop 11ag half 3335 mey 3314 Coup 11*g malf 3336 Hes.aws 3315 Coop 11ag tott 3337 Hes.scre. 3316 Rebber D.ffee 3338 Ceeeseheas scree 83317 Gaco-etag 3339 cmeesemead scree f* +3318 Gaco-cing 3340 Mes.awt +3319 Flat gasmet 3341 Cowatersant scree +3320 Flat gastet 3342 Gewo scren 3321 may

• 3400 Electric motoe f

Durtag operation only little .ater must escape *ere 1 + I 4 he he r k. '[ 1 . i e f 9 )

• e i

I. 5 P\\ l O I L I h54 .? I I ,t' ss. i I

h. t.i

'\\ s, s ".. . _ _., I. e,g,-, ] s 1 - a,L i T l l l . ~. _ _ _. _.... _,...: 8

1 P ._._.____4 3 e i.I 6 4 4 g, i y f,. 5 8.' ,4 m -~ 3,,, g 33 L ~ i -3 ~ //wh 's 3324.; r a.! m _, ..,,,, ~ /,/ :/' -1 J - i r .,,,f 4 [ , '/ ,y f> ! \\_yg/a"".- b N: Q- _ 333, y m h\\ v ^ x s m,.s ve I=_ '% sus - j ~ m L;F.$dib~ N ' E sr j p$ 313 3324 7p gg ~ .u17 3327 -9 / 3442 \\ + 3302 3304 .4 Fg 7h - e 4 3305, .5322 a *- ,, q / ^ c. M k, _,.; -. 33 4 - g .3szo

f. l-o 3330

' ' n. G ~Q w, t ---.fol ~ a / \\ ~ 7

2. x x h

Il .,3,, N + s) i 3300 \\ i + A qy 3301 3334 - 3323 3321 3305 3341 F1 h I r, g E-? i i e .**h'de I= *P e. '.'. g. 1e4

• 1.. 1,c' ', g ',ay,n;.,,,1%f,, g;,,j

,,l,,., m W 9

L. u s m-# .m e ss. \\ l 1 l I 1 il i e-

g. 3: utstaa valve 4300 l

4301 Mouslag 4325 Cap nut 4302 Sase 4320 Plvg 4303 Spinele 4327 Retaintog ring e. 4304 Adjustteg nut 4328 Seal ~ 430S Valve pave

• 4329 Ring seat 4306 8e11ce 4330 Thermostat 4307 Bellos plate 4331 Heat sensor i

43G8 Gende piece 4332 Threaded alpple a 430g Pipe 4333 Threased napp;e 4310 Seating patn "B" 4334 Capillary 4311 seatteg pata "a" e433S Adjusteeat unit 4312 plate 4336 f* perature scale 4J13 Cetde piece 4337 f eeperature a$ justing anob

• 4314 Seal 4338 ee11oe 4
• 4315 Seal 433g Actuattag paa 8

4316 Me n-sc ree 4340 Cap not 4320 Co*oiaation asseenly ea341 Aang seal i 4321 M6estag 4342 Inumersion pocket 4323 Cr us 4343 Grue scree i 4323 5'sadle e f 4J24 Ca** 8360 sypass line t I a l i l A tr masee mater from heat es. Fig. Saa high Dreater eatee teopere. r creasser 2300 teres I i j tne breater mater floes 8 tF.etster matee from Dypass 8360 mostly throw /t heat es. 3 chaagee 2300. At easteg A/O 8eewaer eater to generator cir. valve 4300 passage 84/e is mt-bre am er closed. C Neection cover Fig. 80: los breater mater teepera. twee; e D C#ver plug the breamer eater aces act flow throwgh Feat escharger. At mis tag walve 4300 passage A.A/S is closed. 0 = k 1 f 6 = l 8 !,L i I s j D I l , -,,- -~.. :..-----., -,- -. - - - -,.- -... -.. -

8 i

---

ap---.

- - - - - - - - + - - + ~ ~ ~"*~~~~"-'*^-#' ~ ~ *

• 3 4

4 6 i e 1 6 6 f 4 4 4 m 4 e i a I h 6 e O U . 310 ^ NNx] ~,/- 7h. I as .m .jp s p ~ 3 ~_ Eg/~ i I I f (l) . q. s l- .,.o .;-q',x a i., s .i (. I x n, .x j _tu ..m NM :] 7, '. 3 L- ,T I s C. >.m I l ....,N.F,c: M x..... r2 .,>u \\i is 3 i n.u IIJJ j ~. C l n s viet i o O N-q., 3 i. i @,4 a. Q j p % .,'4 5 j g' tnt $*\\.,. f I i .$'d ], ? &; 3 d.., x.. _ $K-i p i l -d l~j

t. l

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Fig. 9: Ball valve 4350, 4370, 4380, 4390 4370: ND 20, full flow 4360: ND 15, reduced flow (fig. 9a) (fig. 9b) N 4371 Housing 4361 Housing 4372 Welding flange 4362 Welding flange 4373 Hex-nut 4363 Hex-nut 4374 Nut 4364 Nut 4375 Shim 4365 Shim 4376 Spring plate 4366 Spring plate

• 4377 Seating
• 4367 Seating
• 4378 Housing seal
• 4368 Housing seal
• 4379 Ring seal
• 4369 Ring seal 1

I a W 4380: ND 40, reduced flow 4390: ND 50, reduced flov (fig. 9b) (fig 3 9b) 4381 Housing 4391 Housing 2 4382 Welding flange 4332 Welding flange 4383 Hex-nut 4393 Hex-nut 4384 Nut 4394 Nut 4385 Shim 4395 Shim 4386 Seating 4396 Spring plate

• 4387 Seating
• 4397 Seating
• 4388 Housing seal
• 4398 Housing seal
• 4389 Ring seal
• 4399 Ring seal

~ e i i i \\ O

o { D L C I 'D i E I F Q s-4372/ 4376 4374 4375 +4379 \\

f s

/, am ._...l ~~~[ j t 4371 +4377 $4378 73 4 g

• /

4370 .) Fig: So 3 \\ \\ 4362 4366 4364 4365 4382 4386 4384 4385 i 4392 4396 4394 4395 6 I ,l f' I +4 69M389M399 y 'h h ,__N ~ ~ ~ ~ ? t.# _ _ _ f i _. l. F ^ / / X 4361 +4367 443fe 4363 43C2 4381 +4307 443S9 4383 4382 4391

• 4397 *4398 4393 4392 4360/4383/4390 i

Fig 9b Fig: 9 ' K-9

y b

1. 4 bi TF.ST TARGET (MT-3) 1.0

!! E4 EM y @ lllE I.l ?.._ = l Bike l.25 1.4 i.6 MM q

1. 4

+4% 4W$efz?'

• b+,s,.h.,4

,i xe 4 4$,$ p 0 e 4

m Fig. 10: Proportional-soring safety valve 4400 } 4401 Body 4406 Guide disc 4402 Spring cap 4407 Bush 4403 Vent cap 4408 Ball 4404 Spindle 4409 Pressure screw 4405 Spring 4410 Valve disc O e i i Y 1s 1 o

a i Q l C i 0 I E I I ~L I l 4403 um/ s h ( \\ \\ N 4409 h i .L 4402 a p / / 4404 Y ~ / y 0 ,tP-7 44o$ i ( / (> i h s / tl /p >- 4406 s' se;l i s e, 4407 7 p j E o 4

e i

L7 x . \\ \\.' 2, s s e 9 ( Fig.40 K-40, P

1 Fig. 99a: 1-step thermo3 tar 5300 9309 Housing 5305 Disc 4302 Cover 5306 Cheesehead screw (

• 5303 Micro-switch 5307 Terminal block 5304 Scale I

L i ~ e A 1 Fig. 11b: 2-step thermostat 5320 5321 Housing 5325 Disc 5322 Cover (dismantled) 5326 Cheesehead screw

• 5323 Micro-switch 5327 Terminal block 5324 Scale 5328 Grub screw N

i m

a i e i c I o i E I F I ^ eg/ l\\ 5307 5304 6306 4 _. E l fe / ~ l 2 P"d et.. \\ ' d., ' b, N A -< l' ,- Q. [ e .,C. ~s 7 ) ~w \\, g _g\\. e y Q=.\\ 'W~ m Tc A L_ s. "h s' A !,g) ' h 4 N,,.s e ) ) % - '~ ' f,,/f .,. $h / \\, / ' s: ~' s

• j,,,.

.+ i x 9., ,'y ^ ;,.; a ~ l t. ..t s. , [' ',' 45303 5301 5305 s- }j l' 188 409 Fiq11o s 5328 +5323 5324 s~ ~ - =: _.- NI N 5326 r a e.m ~ 2 1 3 ,;I V 5f g y ' " /, s m -e,-t a .a

1. -

q n \\..,,h,$ l k,i C )( N h } ~ 5327 [. ---y i s u f., ik a -- w y,/ I j g}_ ).. \\ T ~ Q. ; Flli N -,J Jt i I I$. a . ns, s 1 = = 4,5v ..;- z.a i ;.: ,L nm 'LM f.p2Q '}1 a L t - e 5321 45323 184 555 Fig 11b Fig 11 f K 41 }*1

Fig. 12: Flow monitor 6320 (6340) { 6321 (6341) Casing 6326 (6346) Steel ball 6322 (6342) Inlet nozzle 6327,(6347) Scale 6323 (6343) Ring magnet

• 6330 (6350) Cap 6324 (6344) Piston 6331 (6351) Connection 6325 (6345) Spring 6332 (6352) Cap nut i

I o ( l l l o

E a i e i c 4 .o I e i e .I 1 j 6326(6346) i i 6322(6342) 6324(6344) 6327(6347). f 1 t l 1 -[ f./J ~ /////s/ fly, _/ _//. / / / / / / .t h j 1 4:- ss' /9., , / ( o o o o M Y % ~3' W M hf M,) 3 V I h@. a 3 _3- - I ~l _p'e MfMMtM W 0 / / /l?!///// ///?/// ll/// ^' B .l s N. 6323(6343) 6321(6341) 6325(6345) l s \\.....-....._._.._._.. 1 .-s,x,.T.%- ~ T.Y...f.lO*',W'?IE'.;)j?.0[&,;T'I Q;. RV...,;Q:?. "?,i'sT'IWlWQ5%f..f: u .p-9 ,9.s..,, g..; p. 3,: y ~,..;, ; ~3. r-p:'.; ;.>,;. ;...:: lt,r., ,.-9 '.~.;s.. mt... q >3x,.y. a- .... p. yy y. 4 s.. .sv ;:,,c;;.. : .. a w.e,,:,.~. &.. +.,..o,

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• -4.46 se m(w',.'j
• '. Ii,..

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i. - 3 :

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• ltil

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• 'I7.

.i.=* N 6 =. - -.. -- .w ..s.. .s - -.s . ~ :... :-.. ~w i i e 6332(6352) 6331(6354)

• 6530(*6350) 4 l

..;e. ,n.v, e ..7, m.. e ' ** s,. '.; w r. t t

e..., s.4['. : [b' i

t* e o r / _lg ,.e4 aq f

• 7,s,..,

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• • g

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• n J n.:.

u.p.. ::. u/ .I c+:. ~ J._ w _>> >< l

• t: 11 :L. ^z j i s

r-l b ~ a.e= A. w... a nca u .w i: w ~- = J 9 Ilg 12 K-12

f Fag. 13a: Diaphragm 4440 I 4441 Sleeve A Slot 4442 Cock

• 4443 0-ring seal
• 4444 Split pin k

s 6 e 4 t s f Fig. 13b: Filter 6310 6311 Mounting

• 6313 Strainer 6312 Co v e r-
• 6414 Seal.

I i t i 1 a b 4 \\, W

A I 8 l C I D i E i F 1 s'442 4441 N x \\ \\ N N N s A ~ ! llll-/f//)l/l/' s /l \\ 9 I A i / hh l l' / I// / /0 / / I r-- \\ \\ \\ +4444

1. 4443 N

\\ 4 Fig. 4 3 0 l 5 l 8 I 6312 I g .WA .6314 ~ r ~ ' ?

'N

• 6313

,s 6 311 8 i F ig. 4 3 b FigPj K-4*

) i Fig. 14: Consectivit y ee ns e taq F l a. 14a t traagsucee 7380 Fla. 145: festew* eats in castret door i 9 e7361 Lient-valve tadicatse 7305 Coctrol setten 7362 Limat-value adjwsttag poteatko-7380 Profile tedtcator meter t eautpeent fan'wrel 7381 adj.stang anoo 7363 aeoinftee 7382 Calibrating screa 7364 Thre:-ilmo transformee 7383 Fonatee l 7365 Correct aag potent kometee P-O 7364 Scale 7366 Carrecting pot e s t>*eter F-u 7385 Palat lamp I 7367 Correcting potentismeter F-v 7340 Moves-cun counter l 73f8 Flat connec_or for choice of a 1.6 n a resistor meae.rtag range 7369 Coaaecttag terateal clock 73T0 Test resistor s C Ft1 ide: Llett-val.e ladscetoe T'61 F ij. 149-Coa 1.ctivity seasoe 6300 { 1 7362 Limat-valse adjusttag r.o t ent ie-6301 9.eator mousiag i 63C2 !**er ete"troJe meter 7371 Po t ent i>me t e r 6303 Owter electeoce 7372 Potectiometer

• 6304 Seal F

73F3 Cheeseness scree ( 306 Bolt 63:1 Camer y b I l I Fig. 14e >: Connection s t agree in Fig. 14e: Coceection ota3*ae "Creea-tra sdsc*e 7380 tion" 1 Conswettetty sensor cocaesttoa Fag. 14f: test "equipeent fatis e* e 4Xb 2 Coneection to estas Fig. 14g: lest "conowstieLty 2 pS/ce" 43cT - 3 Peofile indicator connection 73s3 Fig. 14% test "coad.cttesty 7 ySice" 4 50 34 Juscer, posstotitty to coecett .[]: secttee tecicatoe g ...tc. e 4631 I i .2 e l\\ k

t. \\ 4 ~ ,M2 g-I,., t _.{"a 1 v% LJ r . L _1 L J I .m-i. a I. I b l'-.,., 3,u.b-].d, \\". 'a-ee >/ _.._. 1 y,. ,n, 0 i e

4. _.o o w > w.

i 3 J,ll, n o, a3 m= i.s e si os a a(f - gg --g,~ Q...'h w. %,,,3,; o,, r t h.) I, Fq *4 g ,1,0 p, eg g t.., } .hak -] = a m q [k ,n!.,, - jk' p i.m in.v [ [;_~j k6 [,,,c.-. ' 9,N, g / c [. c. p'.. e / g.') I k ( . p j i n,, .., ;u,. 3 .- 3,w. 7 j. ' t' .O 21 - N ' i 1 g. fg {. / [ {] {] rtg/ A,,. e ]g ] saJ ,!.,,L o [~9 G,,,0 L ~" eo 9 a o o c ! --' 1 1 !uTm i I 1 J' u-+- + + g ,?_

• {"j'

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I L n' e Fig. 99t Treat

• eat watt 9300, 4eacaastoa vessel ette cetoa st*2 Filteel 9363 Scre. plug 4345 ko n-re t ora vas e 9364 Protection p1.g 4360 Ball valve 9365 Protection pl.a 9366 Scre plug 9310 Espansson weasel 9367 Gland plate 9320 Detoniatag resta noiser 9368 8.sateg razzle 9321 Cyttasse
• 9363 Rieg seal 9322 Nogale 9370 Eartning S re.

9323 Plug 9371 Ceessemeas scre. W6:20

• 3324 Aing seal 9372 Cap avt 9325 utng n t 9373 Men-nut M6 9330 Fica t settc%

9374 utag avt u8 j ~

• 9331 Rees settch 3375 Sorteg easmer o S.3/12 9332 Float 9376 Spenng aseer 0 6.4/15 9333 S.Atc*teg tuce 9377 Spring easeee O S.4/18 9334 Nipple 9378 Sprir2.anner O 14/28 1

9333 Float s. itch { +9340 pesta eteture A from coottog wait 9330 tereinal ec e 9351 Cover B to cooltag wait 9352 CeeeseneaJ scre. '93S5 4tr falter C Fillee pipe 9360 Sight g'. ass

• 9361 Seal 9362 C110 e

i " %s I P I e e 9 t Q O e

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• uss 5350 <

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g. n-s, I.ll l a,

l [i g s ,333 i a pq l' P l r i <= [ g f 'l if [J~ uso O 's /* 5335 - l :. l g.- . [g h I' ' _3.' _-. n ee --__7 ..e i t y 'l 0----Ok >g ~ i r-y, I L. c22 ssu' U. M W M ' *9540 i '? ~ _. ' axe h,[lg g ~,ue a _;J _____. ux l a _9.,t.iE?i p F n1 l => \\.was 1 43. 434s l w B A 'C '4** A-A n.es O J

] Fig. 16: Diachragm 4355 (crank dismantled) k 4357 Hex-nut M6 4359 Locking disc i 4358 Spindle 4380 Ball valve ND 40 t l k 6 I e 4 1 f O O

a 4 a i e 1 0 I E I F i 1 = l l 2 / / ew' ( l \\ h G y ,+ / 5 4358 0 t 0 5 e I I o p 4380 e I. I. M Ne a6 h69 4h .~!J L I I g , I e fig 6 K *iG l ..}}