ML19092A068

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Revision 32 to Updated Safety Analysis Report, Chapter 7, Figure 7.2-1-01 Thru 7.2-1-18 & 7.6-4-2
ML19092A068
Person / Time
Site: Wolf Creek Wolf Creek Nuclear Operating Corporation icon.png
Issue date: 03/11/2019
From:
Wolf Creek
To:
Office of Nuclear Reactor Regulation
Shared Package
ML19092A099 List: ... further results
References
WO 19-0010
Download: ML19092A068 (21)


Text

{{#Wiki_filter:8 ANALOG INPUT ANALOG OUTPUT ADJUSTABLE TIME DELAY OFF RETURN MEMORY RETENTIVE MEMORY ANALOG GATE 7 AOEVICEWHICHRETAINSTHECONDITIONOF OUTPUTCORRESPONDINGTOTHELASTENER-l OF 6 TAINSTHECONDITIONOFOUTPUT THELASTENERGIZED!NPUT!REGARDLESS STATUS n I THE TSIGNALISRE-ESTABLISHEDWHENPOWERIS RESET (MJI-£NTARn ADEVICEWHICHPERMITSANANALOGSIGNAL TO PASS I THE CON-[II --8-©-5 BISTABLEOUTPUTISALOGIC'!' WHENTHEI-£ASUREO PARAMETERISLESSTHANTHESETPOINTVALUE. 4 BISTABLEOUTPUTISALOGIC'l' THENTHEI-EASUREOPARAI>'ETER DEVIATES FROM THE NORI<'AL VALUE BY MJAE THAN THE SETPOINT AMOUNTS SAME AS ABOVE EXCEPT WITH AN AUTOMATICALLY AOJUSTEOSETPOINT ALARM ANNUNCIATOR !ALARMS ON THE SAME SHEET WITH THE SAl>£ SUBSCRIPTSHAREACOMMONANNUNCIATORW!NDOWJ A-ACTUAT!ONSTATUSLIGHTS, T-TRIP STATUS LIGHTS, P-PERMISSIVESTATUSLIGHTS, 8-BYPASSSTATUSLIGHTS LOGICINFORM"\TIONTRANSMISSION ANALOG INFORMATION TRANSMISSION I -ANALOG INDICATOR, R-RECORDER, R2-RECOROER2PEN, R3-RECOROER3PEN, RB-RECORDERBPO!NT I. ON ALL LOGIC CIRCUITS THE INDICATED ACTUATION OF A SYSTEM OR DEVICE OCCUR WI-lEN A LOGIC 'I' SIGNAL IS PRESENT l ZED TO ACTUATE' SUCH THAT A LOG! C I Sl GNAL IS 3 ANT, THAT IS, EVERYLOGICCIRCUITSHOWN COMPUTER INPUTS, ANOINOICATOR TTgONTACTS

3. WHEREVERAPROCESSSIGNALISUSEOFORCONTROLANDISOERIVEOFROMAPROTECTIONCHANNEL, MUST BE PROVIDED.

l ON. FOR ON, REFER TO THE FOLLOWING LIST: BLOCK OR WIRING DIAGRAM ORAWINGNUMBERS: 555511146,55551115111,56511151,575511137, 118<JE15, 271C335, 7243050, I084H37 DRAWING NUMBERS, 5655052, 271C335, 8756037 5. FOR THIS SET OF DRAWINGS ALL SWITCHES, PUSHBUTTONS, ANNUNCIATORS, AND INDICATORS !EXCEPT FOR THE N.E.S. PROCESS SYSTEMS INDICATORS, CONTROLLERS, AND MANUAL-AUTO STATIONS! WHICH ARE l>llUNTED ON THE W\IN CONTROL BOARD ARE EO BY OTHERS. IN ADD! TIDN TO THE ABOVE, SCOPE BY OTHERS IS ALSO !NO! CATED Dl RECTL Y ON SHEETS WITHIN THIS " 81 NUCLEAR CHANNEL PRESSURE CHANNEL RADIATION CHANNEL TEMPERATURE CHANNEL POSITION CHANNEL ELECTRICOPERATEOVALVE UNOERVOLTAGERELAY POSITION SWITCH REACTOR TRIP SIGNALS NUCLEARINSTR. ANDI-V\NUALTRIPSIGNALS NUCLEAR !NSTR, PERMISSIVES AND BLOCKS PRII-V\RYCOOLANTSYSTEMTRIPS!GNALS PRESSURIZER HEATER CONTROL FEEDWATER CONTROL&. ISOLATION IIEYISillNrllmloELECTRON!CALLYC0NVERTEDPERAP05-010 USAR FIG. 7.2-1-01 ELECTRONIC APPROVAL M-744-00018 W06 SNUPPS PROJECTS FUNCTIONAL DIAGRAM INDEX AND SYMBOLS D c B gl 0 J A ] 1l § 0 .s J 8 7 6 5 TRAIN A REACTOR SHUNT TRIP SIGNALS MANUAL REACTOR TRIP SIGNAL I SHEET 31 MANUAL SAFETY INJECTION SIGNAL I SHEET 61 LOG I C TRAIN A REACTOR TRIP SIGNALS MANUAL TRIP SIGNAL !SHEET 31 NEUTRON FLUX TRIP SIGNALS I SHEET 31 PRIMARY COOLANT SYSTEM TRIP Sl GNALS I SHEET 51 PRESSURIZER TRIP SIGNALS I SHEET 61 STEAM GENERATOR TRIP SIGNALS I SHEET 71 { { { SAFETY INJECTION SIGNAL I SHEET 81 { TURBINE TRIP SIGNAL I SHEET 161 SOLID STATE PROTECTION SYSTEM { { SOURCE RANGE, HIGH FLUX I INTERLOCKED BY P-6 & P-1 01 INTERMEDIATE RANGE, HIGH FLUX I INTERLOCKED BY P-1 01 {HIGH FLUX, LOW SETPOINT I INTERLOCKED BY P-101 POWER RANGE HIGH FLUX, HIGH SETPOINT HIGH FLUX RATE OVERTEMPERATURE L'IT OVERPOWER L}T {LOW REACTOR COOLANT FLOW I N ANY l OF 4 LOOPS I I NTERLDCKED BY P-81 LOW PRIMARY COOLANT FLOW LOW REACTOR COOLANT FLOW I N ANY 2 OF 4 LOOPS I INTERLOCKED BY P-71 UNOERVOLTAGE I INTERLOCKED BY P-71 UNOERFREDUENCY I I NTERLOCKEO BY P-71 HIGH PRESSURE LOW PRESSURE I I NTERLOCKEO BY P-71 HIGH LEVEL I INTERLOCKED BY P-71 ' LOW-LOW STEAM(GENERATOR WATER LEVEL}-'\ AUTOMATIC SIGNAL \ MANUAL SIGNAL \ LOW TRIP FLUID PRESSURE OR ALL STOP VALVES CLOSED I INTERLOCKED BY P-91 \ GENERAL WARNING ALARM IN BOTH TRAINS ( ' LOG I C TRAIN B REACTOR TRIP SIGNALS MANUAL TRIP SIGNAL !SHEET 31 NEUTRON FLUX TRIP SIGNALS I SHEET 31 PRIMARY COOLANT SYSTEM TRIP 51 GNALS I SHEET 51 PRESSURIZER TRIP SIGNALS I SHEET 61 STEAM GENERATOR TRIP SIGNALS I SHEET 71 { { { SAFETY INJECTION SIGNAL I SHEET 81 { TURBINE TRIP SIGNAL I SHEET 161 SOLID STATE PROTECTION SYSTEM L_ ------------------- { { SOURCE RANGE, HIGH FLUX I INTERLOCKED BY P-6 & P-1 01 INTERMEDIATE RANGE, HIGH FLUX I INTERLOCKED BY P-l 01 {HIGH FLUX, LOW SETPOINT I INTERLOCKED BY P-101 POWER RANGE HIGH FLUX, HIGH SETPOINT HIGH FLUX RATE OVERTEMPERATURE L'IT OVERPOWER M { LOW REACTOR COOLANT FLOW I N ANY l OF 4 LOOPS I INTERLOCKED BY P-81 LOW PRIMARY COOLANT FLOW LOW REACTOR COOLANT FLOW I N ANY 2 OF 4 LOOPS I INTERLOCKED BY P-7l UNDERVOLTAGE I I NTERLDCKED BY P-71 UNDERFREDUENCY I INTERLOCKED BY P-7l HIGH PRESSURE LOW PRESSURE I INTERLOCKED BY P-71 HIGH LEVEL I INTERLOCKED BY P-71 LOW -LOW STEAM GENERATOR WATER LEVEL AUTOMATIC SIGNAL MANUAL SIGNAL LOW TRIP FLUID PRESSURE OR ALL STOP VALVES CLOSED I INTERLOCKED BY P-91 GENERAL WARNING ALARM IN BOTH TRAINS TRAIN B REACTOR SHUNT TRIP SIGNALS MANUAL REACTOR TRIP SIGNAL I SHEET 31 MANUAL SAFETY INJECTION 51 GNAL I SHEET 81 ' ' ( ( <I z ( -<I cr: ( f-u -0 0 "-( _j -0: r-h ' ( / ( ( "-( -cr: / r-' / ' ( ( 'V\ : / ' / ---7!\ " -"' ( / "-( -0: f-CD ' z / ( -<I 0: ( r-( u -( (_") 0 "-_j -cr: h f-" v / ( ( ( / " : ( / ' / cr: r---" I <I (j)f-/ cr: N  ::J N lf) NOTES 1 CD >-CD " > ::J N "-LD -0: cr: _S, r-oo I>-/ (f)(l) N LD / L?_ I' / ;; ' "--0: 0: r-f--/ (f)oo N -(l) ' >-::J N LD NOTES l (l) r-cr: ' > ::J "-N LD 0: r-cr: ' r-oo Ir-/ tflcr: N " lf) / 4 3 2 ROD DRIVE SUPPLY ONE LINE DIAGRAM 0--M-G SET 0--G M-G SET "--cr: f-' / --"' (l) / ' N LD -"' / "--cr: r-"--0: f--"' / --"' (l) / " N "-LD -0: r-& 2 "--0: f-CD f-' 0: / " N -"' LD / "-0: r-280V AC BUS ,.-... A v ROD DRIVE POWER SUPPLY LOGIC TRAIN A OPEN ' -c NOTE 4 OPEN CLOSED A CONNECTED A v \ l T I\ I CONNECTED A CLOSED A OPEN NOTE 4 * ' OPEN 0 / ) 52/RTB ) 52/BYB NOTE 4 r 52/RT A T ' / ' / T ROD DRIVE POWER BUS NOTE P-4 ' / ' / 1 " / " / TRAIN B TRAI N A ' / ' / ' 1 / ' / P-4 TO S. I. BLOCK LOGIC I SHEET 81 TO FEEDWATER ISOLATION LOG! C I SHEET 1 31 REACTOR TRIP SIGNAL FOR TURBINE TRIP I SHEET 161 TO STEAM DUMP CONTROL LOG! C I SHEET 101 } TO SOLID STATE LOGIC PROTECTION SYSTEM GENERAL WARNING ALARM LOGIC TO STEAM DUMP CONTROL LOG! C I SHEET 101 T 0 S. I . BLOCK LOGIC !SHEET 81 TO FEEOWATER ISOLATION LOG! C I SHEET 1 31 REACTOR TRIP SIGNAL FOR TURBINE TRIP I SHEET 161 LOGIC TRAIN B REACTOR TRIP SWITCHGEAR 1 NOTES: I . 2. 3. 4. TRIPPING THE REACTOR TRIP BREAKERS 52/RTA AND 52/RTB REDUNDANTLY DE-ENERGIZE SHUTDOWN RODS ARE THEREBY RELEASED FOR GRAVITY INSERTION INTO THE REACTOR CORE NORMAL REACTOR OPERATION IS TO BE WITH REACTOR TRIP BREAKERS 52/RTA AND 52/RTB WI THORAWN. OUR! NG TEST. ONE BY-PASS BREAKER IS TO BE PUT IN SERVICE AND THEN THE RESPEC REACTOR TRIP SIGNAL IN THE TRAIN UNDER TEST. THE REACTOR WILL NOT BE TRIPPED B CONTROLLED FROM THE OTHER TRAIN. ONLY ONE REACTOR TRIP BREAKER IS TO BE TESTED ALL CIRCUITS ON THIS SHEET ARE NOT REDUNDANT BECAUSE BOTH TRAINS ARE SHOWN. OPEN/CLOSED INDICATION FOR EACH TRIP BREAKER AND EACH BYPASS BREAKER IN CONTRO S THE ROO DR! VES. ALL FULL LENGTH CONTROL RODS AND IN SERVICE AND BY-PASS BREAKERS 52/BYA AND 52/BYB TIVE REACTOR TRIP BREAKER IS OPERATED USING A SIMULATED Y THE SIMULATED SIGNAL SINCE THE BY-PASS BREAKER IS AT A TIME. L ROOM. USAR FIG. 7.2-1-02 ESSENTIAL ORA WING REVISED INC. CR 00070740 GHNG. CHNG. 0 ISSUED DOC REVISION NOTES: PKG No PAGE($) W!J * [L [F lR1 DRAWING NUMBER' REVISION: SHEET NO.: Todd T. Wallace _.--* ? / Released b.' Documeuj Scniccs. o-d?{ "" 2013.08.08 07:55:14 -05'00' NUCLEAR OPERATING CORPORATION M -7 4 4 - 0 0 0 19 W08 NONE SNUPPS PROJECTS FUNCTIONAL DIAGRAM REACTOR TRIP SIGNALS 7250064 2 o_j Z<C O> a::O I-a: Oo... wo... ..J<( w 22X34 D SIZE M-744 -00019* I* 1/VOS D c B A ____ _j L__ -----------------------

  • -**-* *-** -* *r **-** -* *-* *-**-**-* * /.-**-* * -* *-* * -**-* *-r-* * -**-**-* *-**-* * -* 6 **-* *-**-* *-**-**-* *1* *-**-*
  • SOURCE RANGE REACTOR TRIP I I TRIP I /N 3I 13 ( NI S RACK> NC NC TRIP BYPASS I /N 328 ( NI S RACKJ B T}-.-1 C ' I; I T }-.--j C SOURCE RANGE BLOCK CONTROL NOTES I & 2 RESET I ' MOI"ENTARY

<E-t-BLOCK M:lto£NTARY 'vw I SHEET 41 P-6 ) P-10 < SHEET 4J ,.---J ]; ( ) '-../ NOTE 5 ENERGIZE SOURCE RANGE H. V. NOTE ,W07, *-**-**-**-]-**-**-**- I; X C f--< ..... -/R I HIGH NEUTRON FLUX REACTOR TRIP {SHEET 2l p NOTE 7 DE* ENERGIZE SOURCE RANGE H. V. NOTE 8 INTERMEDIATE RANGE REACTOR TRIP TRIP BYPASS I /N 35A ( Nl S RACKJ TO BYPASS I. R. ROD STOP I SHEET 4l NC INTERMEDIATE RANGE BLOCK CONTROL NOTES I & 3 BLOCK M:lto£NTARY P-10 I SHEET 41 I I NC CH._ ____ .... TO BLOCK I. R. ROO STOP (SHEET 4) NOTE 5 HIGH NEUTRON FLUX REACTOR TRIP <SHEET 21 p NOTE 7 TRIP BYPASS I /N 36A ( Nl S RACKl TO BYPASS I. R. ROD STOP I SHEET 41 -* *-. *-.. **-.. -**-.. -.. -**-£ **-. *-**-.. -**-. *-.4 .. .. -.. -.. -.. -.. -.. -r. -.. -.. 3 **-**r**-**-**-**-**-**-** 2*-**-**-**-**-**-**-r-** 1 POWER RANGE REACTOR TRIP NC HIGH NEUTRON FLUX I LOW SETPOI NT> REACTOR TRIP ( SHEET 2) I I NC I I 2 I I I NC NC 2 I I I IV HIGH NEUTRON FLUX I HIGH SETPOI NT> REACTOR TRIP ( SHEET 2l A POWER RANGE HIGH NEUTRON FLUX RATE REACTOR TRIP NC POWER RANGE BLOCK CONTROL NOTES I & 4 2 I V P-10 (SHEET 4) NC 2 BLOCK M:lMENTARY c NOTE 5 .... --{P NOTE 7 1/N 4IK MANUAL RESET NOTE 6 ' ' *-------' ' ' ' I c 3 I /N 42K MANUAL RESET NOTE 6 I I ' ' *-------' ' ' ' NC 42K cr-.... 3 I /N 43K MANUAL RESET NOTE 6 I I I ' ' *-------' ' ' ' I I I NC NC 43U 43K s cf--e 3 TRIP CONTROL BOARD> RESET MOr.ENTARY RESET REACTOR TRIP TRIP TRIP Mlr.ENTARY c t--41------, ,-----+--1 c] .. _,R REACTOR TRIP (SHEET 21 NOTES C 1---+-ifR HIGH NEUTRON FLUX RATE REACTOR TRIP I SHEET 2l 1. THE REDUNDANT MANUAL BLOCK CONTROLS CONS! ST OF TWO CONTROLS ON THE CONTROL BOARD FOR EACH RANGE. ONE FOR EACH TRAIN. 2. I /N 33A I S I N LOG! C TRAI N A. 1/N 338 IS IN LOGIC TRAIN B. 3. I /N 38A I S I N LOG! C TRAI N A. 1/N 388 IS IN LOGIC TRAIN B. 4. I /N 47A IS IN LOG! C TRAIN A. 1/N 478 IS IN LOGIC TRAIN B. 5. TWO COMPUTER INPUTS ARE CONNECTED TO THIS Cl RCUI T. I NDI VI DUAL FOR EACH TRAIN. 6. MANUAL RESET CONTROLS CONSIST OF FOUR MOMENTARY CONTROLS IN THE CONTROL ROOM. ONE CONTROL FOR EACH INSTRUMENT CHANNEL. 7. TWO PERM! SSI VE STATUS L1 GHTS ARE CONNECTED TO THIS Cl RCUI T. I NO! VI DUAL FOR EACH TRAIN. 8. EACH SOURCE RANGE FLUX DETECTOR IS ENERGIZED AND DE*ENERGIZED BY LOGIC OUTPUT FROM A SINGLE TRAIN. THE TWO SOURCE RANGE FLUX DETECTORS C N-31 AND N-321 ARE ON SEPARATE TRAINS. 9. IF THE SOURCE RANGE DETECTOR" S MANUAL HV ON/OFF SWITCH IS IN THE ' NORMAL'" POSITION, THEN THE DETECTOR WILL ENERGIZE AUTOMATICALLY BY LOGIC OUTPUT FROM A SINGLE TRAIN. IF THE SOURCE RANGE DETECTOR'S MANUAL HV ON/OFF SWITCH IS IN THE 'OFF' POSITION, THEN OPERATOR ACTION TO PLACE THE SWITCH TO THE 'NORMAL' POSITION WILL BE REQUIRED BEFORE THE LOGIC OUTPUT AUTOMATICALLY ENERGIZES THE DETECTOR. 1\ ,W07, I /N 44K MANUAL RESET NOTE 6 I V ' ' *-------' ' ' ' cl--e 3 USAR FIG. 7.2*1-03 ESSENTIAL ORA WING (J REVISED INC. CHNG. 020060 THIS OWG. SUPERSEDES; REV. 0 _..J SNUPPS PROJECTS FUNCTIONAL DIAGRAM NUCLEAR INSTR. & MANUAL TRIP SIGNALS SCALE DRAWING NUI.IBER SHEET REV NONE 7250064 J J4X44 I SIZE H G F E D c B A 8 II NC NC 36o, r NOTE 2 _j T l-e---t C \I/\ I () &* 'It P-6 !SHEET 31 T C SOURCE RANGE FLUX DOUBLING BLOCK CONTROL RESET !MOMENTARY! BLOCK !MOMENTARY! NOTE 3 \I [X L R L_ -------------------------------- 7 6 5 4 3 2 1 INTERMEDIATE RANGE POWER RANGE I II NC NC 35.Y___r 36E I FROM IR BLOCK LOGIC NOT REDUNDANT MANUAL BYPASS liN 49A I I MANUAL BYPASS !IN 49B I I I FROM 1/N 35A !SHEET 31 FROM !IN 36A IR BYPASS !SHEET 31 IR BYPASS !SHEET 31 I I /\I/\ I NOTE 1 \I C-1 C-2 HIGH NEUTRON FLUX ROO STOP OVERPOWER ROD STOP !BLOCK AUTOMATIC & MANUAL ROD !BLOCK AUTOMATIC & MANUAL WITHDRAWALI !SHEET 91 ROO WITHORAWALI !SHEET 91 MANUAL BYPASS !IN 49A IV MANUAL BYPASS !IN 49B NOTE 1 L .. -.. -.. -.. -7 . -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. _j NOT REDUNDANT I II REDUNDANT FROM liN 31A IR TRIP BYPASS INIS RACKI 1 ;;;..\\_.H B \I [X SOURCE RANGE NEUTRON FLUX N-31 . I I ' SOURCE RANGE FLUX-DOUBLING ALGORITHM TH ... 'f-I;R, '.[; \/ I \I \V w () '/ \It c SOURCE RANGE NEUTRON FLUX N-32 . I I ' SOURCE RANGE FLUX-DOUBLING ALGORITHM T 1---*'f--l;R ' \/ '.[; FROM liN 32A IR TRIP BYPASS INIS RACKI B \II [X I I T }-.-1 C POWER RANGE T C I I I P-9 !SHEET 161 T C IV P-13 TURBINE IMPULSE CHAMBER PRESSURE !SHEET 161 T l-e--I C NOTES I I I I I .---{P P-10 & 61 !SHEET 31 I I I ' W10. P-8 !SHEET 51 III /\ W10, IV IV T l-e---t C 1. THE BYPASS SIGNALS ARE MADE UP BY MEANS OF TWO THREE -POSITION SWITCHES ON A NIS RACK.SWITCH !IN 49A BYPASSES EITHER NC-41L OR NC-43L.SWITCH I/N49B BYPASSES EITHER NC-42L OR NC-44L. 2. THE TWO P-6 BISTABLES NO. NC-35D AND NC-36D ARE "ENERGIZED TO ACTUATE" SUCH THAT A LOGIC 1 SIGNAL IS DEFINED TO BE PRESENT WHEN THE BISTABLE OUTPUT VOLTAGE IS ON. 3. THE REDUNDANT MANUAL BLOCK CONTROL CONSISTS OF TWO CONTROLS ON THE CONTROL BOARO,ONE FOR EACH TRAIN.SUPPLIEO BY OTHERS 4. DELETED USAR FIG, 7.2-1-04 ESSENTIAL ORA WING IV\ REVISED INC. CR CHNG_ THIS DWG_ SUPERSEDES: REV. 0 -_J 0 CHNG. PKG. VENDOR MANUAL: PAGECSJ __________ REVISION NOTES: DC4 08/21/2013 [[ Q '@!] .. [F DRAWING NUMBER: REVISION: SHEET NO.: &3 8::= NUCLEAR OPERATING CORPORATION M -7 4 4 - 0 0 0 21 w 10 uJ <( SNUPPS PROJECTS FUNCTIONAL DIAGRAM NUCLEAR INSTR. NONE PERMISSIVES & BLOCKS 7250064 4 22X34 D SIZE M-744-00D2H*W10 D c B A ____ _j 8 RCP1 27 1\ W07 NOTE REACTOR COOLANT PUMP UNOERVOLTAGE RCP3 P-7 (SHEET 41 REACTOR TRIP (SHEET 21 27 7 REACTOR TRIP (SHEET 21 LOW FLOW LOOP 6 RCP1 1\ W07 6 5 REACTOR COOLANT PUMP UNDERFREOUENCY RCPZ 2 P-7 (SHEET 41 RCP3 81 1\ W07 RCP4 81 2 4 BY BY OTHERS j 0 N. E. S. :------ 1 TRIP TRIP


; TRIP TRIP I RCPl BREAKER NOTES 3 & 4 RCPZ BREAKER .------"'-----, RCP3 BREAKER NOTES 3 & 4 RCP4 BREAKER I I ________________________________________________________________________________________

J P-8 ---, (SHEET 41 LOW FLOW LOOP 2 REACTOR TRIP (SHEET 21 LOW FLOW LOOP 3 -\\'* ,,. w ,,, LOW FLOW LOOP 4 (SHEET 41 REACTOR TRIP (SHEET 21 LOOP 1 TB I I 411 3 3 OVERTEMPERATURE (LEAD/LAG COMPENSATED) LOOP 2 TB Ill 421 3 REACTOR TRIP (SHEET 21 LOOP 4 IV TB 441 3 3 NOT REDUNDANT 2 LOOP 1 TB II 411 4 OVERPOWER (LEAD/LAG COMPENSATED) LOOP 2 TB 421 4 REACTOR TRIP (SHEET 21 1 LOOP 4 IV TB 441 4 4 r .. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. _......_ . -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. LOOP I 5 NOT REDUNDANT OVERTEMPERATURE OVERPOWER M (LEAD/LAG COMPENSATEDI (LEAD/LAG COMPENSATEDI LOOP 2 LOOP 3 LOOP 4 LOOP LOOP 2 LOOP 3 I I III IV I TB II TB III TB 411 421 431 H 5 LO LO TAVG 5 5 6 C-3 C-4 TO START TURBINE RUNBACK AND BLOCK AUTO -MATIC AND MANUAL ROD WITHDRAWAL (SHEETS 9 & 161 LOW LOOP 2 LOOP 3 LOOP 4 I V LOOP LOOP 2 II TB Ill TB II TB 422 TAVG LOOP 3 Ill TB LOOP 4 IV TB 441 H 6 6 LOOP 4 I V TB LOOP TB 412 D D L L 412 G L._ 422 G L._ 432 L._ 442 L._ G G 11 NOTES p ,___. P-12 (SHEET 101 1 1 TO FEEDWATER ISOLATION (SHEET 131 1. THE SETPOINT OF THE UNDERVOLTAGE RELAYS SHOULD BE ADJUSTABLE BETWEEN APPROXIMATELY 60% AND 80% OF NOMINAL VOLTAGE. THE UNDERVOLTAGE DETECTOR SHOULD HAVE A TIME RESPONSE OF LESS THAN 0.2 SECOND. THE ADJUSTABLE DELAY SHOULD ALLOW AN ADDITIONAL INTENTIONAL DELAY BETWEEN 0.05 TO 1.0 SECOND. 2. THE SETPOINT OF THE UNDERFREOUENCY RELAYS SHOULD BE ADJUSTABLE BETWEEN 40HZ AND 70HZ. THE UNDERFREOUENCY DETECTOR SHOULD HAVE A TIME RESPONSE OF LESS THAN 0.2 SECOND. THE ADJUSTABLE DELAY SHOULD ALLOW AN ADDITIONAL INTENTIONAL DELAY BETWEEN 3-99 CYCLES. 3. THE MAXI MUM ALLOWABLE RCP BREAKER TRIP TIME DELAY IS 0. l SECOND. 4. REACTOR COOLANT PUMPS NUMBER 1 AND 2 ARE ON BUS H1. ,W07, REACTOR COOLANT PUMPS NUMBER 3 AND 4 ARE ON BUS HZ. 5. THE UNDERVOLTAGE SENSORS (POTENTIAL TRANSFORMERS! MUST BE LOCATED ON THE MOTOR SIDE OF THE RCP CIRCUIT BREAKERS TO DETECT THE TRIP OF THE RCP CIRCUIT BREAKERS IN ADDITION TO BUS UNDERVOLTAGE.

6. THE UNOERFREOUENCY SENSORS MAY BE LOCATED ON THE MOTOR SIDE OF THE RCP CIRCUIT BREAKERS.

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  • f \ \ by Brian C USAR FIG. 7.2-1-05 ::I L J;!\.': ; ! 1 9 l E Williams -. I --\ -ESSENTIAL ORA WING ,_ ,"'! Date: 2011.11.21 1-l:>. * .....

.. .. 11*45*52 -06'00' 1 "&tONAl 'E." ,,,, *

  • PRIMARY SNUPPS PROJECTS FUNCTIONAL DIAGRAM COOLANT SYSTEM TRIP SIGNALS /,*1-1' 1 1'1 I!\\\'\\ 22X34 D SIZE M-744 -00022*1*W07 D c B A

' 8 7 PRESSURIZER LOW PRESSURE CLEAD/LAG COMPENSATED> P-7 C SHEET 41 3 REACTOR TRIP C SHEET 21 PRESSURIZER HIGH PRESSURE 3 REACTOR TRIP C SHEET 21 3 PRESSURIZER HIGH WATER LEVEL 4 REACTOR TRIP C SHEET 21 LB 46IAI P-7 C SHEET 41 4 6 lL 3 5 PRESSURIZER LOW PRESSURE CLEAD/LAG COMPENSATED> lL .-/A PRESSURE RELIEF INTERLOCK c SHEETS I 7 AND I 81 lL 4 PRESSURIZER LOW PRESSURE lL SAFETY INJECTION C SHEET 81 USAR FIG. 7.2-1-06 3 2 1 PRESSURIZER PRESSURE PRESSURIZERS. I. OPEN ALL ACCUMULATOR ISOLATION VALVES I I PB 456Bs I I I BLOCK CONTROL RESET MOMENTARY NOTE I BLOCK MOMENTARY P-I I C SHEET 71 NOTE 2 NOTES p NOTE 3 I. THE REDUNDANT MANUAL BLOCK CONTROL CONSISTS OF TWO CONTROLS ON THE CONTROL BOARD, ONE FOR EACH TRAIN. 2. TWO COMPUTER INPUTS ARE CONNECTED TO THIS Cl RCUI T. I NO! VI DUAL FOR EACH TRAIN, 3. TWO PERM! SSI VE STATUS Ll GHTS ARE CONNECTED TO THIS Cl RCUI T. I NDI VI DUAL FOR EACH TRAIN, ESSENTIAL ORA WING J by Document Release Date: 2flll.ll4.U REVISED INC. CR 000.36720 0 ISSUED CHNG DOC REVISION NOTES: W.[L[F NUCLEAR OPERATING CORPORATION CHNG. THIS DWG. SUPERSEDES: REV. PKG. VENDOR MANUAL: PAGE(Sl NO SUPPLIER DWG. NO.: DRAWING NUMBER: REVISION: M-744-00023 W08 o_j Z<( O> reo I-CC SHEET NO.: 00.. wo.. _j<( w SNUPPS PROJECTS FUNCTIONAL DIAGRAM PRESSURIZER TRIP SIGNALS NONE 7250064 6 22X34 D SIZE M-744 -00023*1*W08 D c B A



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8 7 STEAM GENERA TOR LOW-LOW WATER LEVEL LOW STEAMLINE PRESSURE (LEAD-LAG COMPENSATED) SAFETY INJECTION AND STEAMLINE ISOLATION (5HEET8l '_ _____ -------------


__ [ ------------------------------- 6 5 STEAM GENERATOR HI-HI LEVEL 4 3 HIGH STEAM PRESSURE RATE (RATE-LAG COMPENSATED) STEAMLINEISOLATION (SHEETBl 2. TWO COMPUTER INPUTS ARE CONNECTED TO THIS CIRCUITINDIVIDUALFOREACHTRAIN.

3. TWOPERMISSIVESTATUSLIGHTSARECONNECTED TOTHISCIRCUIT.INOIVIOUALFOREACHTRAIN.

USAR FIG. 7.2-1-07 M 7 44-00024 W06 SNUPPS PROJECTS FUNCTIONAL DIAGRAM STEAM GENERATOR TRIP SIGNALS D c B "' ;;; "' Q II) II) A j 1l 0 Q £ 13

ISHEET7l STEAM GENERATOR MANUAL RESET AND BLOCK 7 PRESSURIZER LOW PRESSURIZER 6 PRESSURE ISHEET131 ISHEET21 PUMPS 5 4 BY BY ---+--0 N.E.S. 3 2 MANUAL ACTUATION FROM CONTROL BOAAD ----------------------;:-1-Gr;;;-



____ ________ ------------


14.DELETED.

15. SOMEENGINEEREDSAFEGUARDSFUNCTIONSARENOTWITHINTHEFUNCTIONALDESIGNSCOPEOF@

ONLY SHOWN ON THIS SHEET AS THE FUNCTIONS ARE BUILT IN THE20UTOF4COINCIDENCE,MEMORY,AND'OR'LOGICAREDUPLICATEDWITHINEACHTRAIN. SHOULD 17. THECONTAINMENTSPRAYSYSTE ISINDEPENDENTOFTHESAFETYINJECTION

  • 10£VIS'O INC OISSIED USAR FIG. 7.2-1-08 DRAWING VENOORM-PAOE(>) SUPPLIERDWGN0"72501Ml4 NONE

8 7 6 5 4 STEAM DUMP CONTROL MODE SELECTOR SWITCH 3 2 4, THETI.'OANALOGS!GNALINPUTSCOM!NGFROMTURBINEPRESSUREMUSTCOME FROMDIFFERENTPRESSURETAPSTOMEETTHESINGLEFA!LURECR!TER!ON.

5. ALL TEMPERATURE B!STABLES ON THIS SHEET AND THE TURBINE CHAr13ERPRESSUREBISTABLENO.PB-506CARE'ENERG!ZETOACTUATE', 6. LIGHTS SHOULD BE PROVIDED IN THE CONTROL ROOM FOR EACH VALVE TOINDICATEWHENTHEVALVEISFULLYCLOSEDORFULLYOPEN.

PRESSURESIGNALORIGINMUSTBEDIFFERENTFROMTHAT PRESSURE PROTECTION 0NSHEET7TOMEETTHESINGLEFA!LURE USARFIG.7.2-1-10 M-7 44-00027 W07 H G D c B



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8 7 6 5 4 PRESSURIZER PRESSURE CHANNELS 1. ALLCIRCUITSONTHISSHEETARENOTREDUNDANT.

2. LOCALCONTROLOVERRIDESALLOTHERSIGNALS.

LOCALOVERRIOEACTUATESALARMINCONTROLROOM.

3. PRESSUREBISTABLESNO.

PB-455E, PB-455G, PB-456E ANOLEVELBISTABLESNO. LB-459C, LB-45CJE, &LB-460DAREENERGIZETOACTUATE. A LIGHT SHOULD BE PROVIDED IN THE CONTROL ROOM FOR EACH SPRAY VALVE TO INDICATE WHEN THE VALVE IS NOT FULLY CLOSED. 6. CENTERPOSITIONNORMALLYSELECTED.

7. AOJUSTABLESETPOINTWITHINCONTROLLER.
8. ALARM 1 AND ALARM 2 MUST HAVE REFLASH CAPABILITY.

3 2 PRESSURIZER LEVEL CHANNELS B USAR FIG. 7.2-1-11 M 744-00028 W07 ELECTRONIC A APPROVAL SNUPPS PROJECTS FUNCTIONAL DIAGRAM PRESSURIZER PRESSURE & LEVEL CONTROL 8 ------------- '-------------------------------------,----------



,------------------------------


, -------------

7 6 ALLCIRCUITSONTHISSHEETARENOTREDUNDANT. GROUP A AND GROUP 8 HEATERS MUST BE ON SEPARATE VITAL POWER SUPPLIES WITH THE LOCAL CONTROL SEPARATEDSOTHATANYSINGLEFAILUREDOESNOTDEFEATBOTH.

3.

HEATER OPERATION, WHICH WOULD CAUSE HEATER DAMAGE. 4. BACK-UPHEATERSTATUSINDICATIONINCONTROLROOM. 5 AUTOMATIC HEATER TURN-ON HIGH LEVEL DEVIATION 4 HEATER INTERLOCK LOW LEVEL FROM LB45CJC &LB460D (SHEET11l 3 2 USAR FIG. 7.2-1-12 M 744-00029 W06 SNUPPS PROJECTS FUNCTIONAL DIAGRAM PRESSURIZER HEATER CONTROL 0 c B "' ;_; "' C1 0) tl 8 A ] § C1 £ ""' 0) j r--------------------L_ __ _______ 1 2. ALLCIRCUITSONTHISSHEETARENOT REDUNOANT.EXCEPTWHEREINDICATED

3. OPEN/SHUTINOICATIONFOREACHFEEOWATER VALVE IN CONTROL ROOM. 4. THEREOUNOANTM'INUALRESETCONSISTSOF TWOMOI'ENTARYCONTROLSONTHECONTROL BOARD.ONEFOREACHTRAIN.
5. TRIPPINGOFFEEDWATERPUI-F'S CAUSESCLOSUREOFASSOCIATEO
6. THE FEEDWATERPUWSAND PUr-l' DISCHARGE VALVES ARE 7. SWITCHINGBETWEENTWOPRESSURE SIGNALSISPROVIDEOONTHE FEEDWATER RANGE FLOW LEVEL H G F E D c B USAR FIG. 7.2-1-13 M-744-00030 W08 7250064 8 7 2. NOT REDUNDANT, EXCEPT 3. OPEN/SHUT INDICATION FOR EACH FEEDWATER VALVE IN CONTROL ROOM. 4. SWITCHING BETWEEN TWO PRESSURE SIGNALS IS PROVIDED ON THE CONTROL BOARD. 6 5 4 3 2 USAR FIG. 7.2-1-14 M 744-00031 W06 ELECTRONIC APPROVAL SNUPPS PROJECTS FUNCTIONAL DIAGRAM FEEDWATER CONTROL & ISOLATION

,-------------------


r ------------- '--------------


,----------------------------------

-,---------------------------------------,------------- 8 7 BLACKOUT SIGNAL MANUAL START, CONTROLROOM NOTES MANUAL START, LOCAL NOTES2, 3&8 MANUAL STOP, CONTROL ROOM NOTES4&8 MANUAL STOP, LOCAL NOTES2, 3&8 6 5 FEEDWATER ISOLATION (5HEET13l TO TURBINE TRIP 4 BLACKOUT SIGNAL ,----------MANUAL START, CONTROL ROOM 3 ,---------- MANUAL START, LOCAL NOTES 2, 3 2 1. TRAIN A CONTROLS MAFP BREAKER NUMBER TRAIN B CONTROLS MAFP BREAKER NUMBER 2. LOCALCONTROLOVERRIDESALLOTHERSIGNALS.

3. LOCAL OVERRIDE ACTUATES ALARM IN CONTROL ROOM. 4. MANUAL STOP AND PULL OVERRIDES THE AUTOMATIC START. MANUAL STOP OVERRIDE ACTUATES ALARM IN CONTROL ROOM. 5. OPEN/SHUT INDICATION IN CONTROL ROOM. 6. PUMP OPERATING LIGHTS IN CONTROL ROOM. INDIVIDUAL FOR EACH PUMP. 9. THETURBINESPEEDCONTROLISTYPICAL.

ACTUAL IMPLEMENTATION MAY NOT INCLUDE SPEED CONTROL. USAR FIG. 7.2-1-15 M-744-00032 W07 SNUPPS PROJECTS FUNCTIONAL DIAGRAM AUXILIARY FEEDWATER PUMPS START UP D c B "' o; "' Q "' j "' A j 1:i 8 £ ] j r -------------------------------- 8 P-4 REACTOR TRIP I SHEET 21 I TRAIN A B Bl 7 STEAM GENERATOR P-4 6 STEAM GENERATOR HI-HI LEVEL OR S. I. I SHEET 131 I TRAIN A A Bl HI-HI LEVEL OR S. I.l SHEET 131 REACTOR TRIP I SHEET 21 I TRAIN A B Bl I TRAIN A A Bl 5 r-BY

  • t-**-**-**-**-.

1-**-**-**-**-**-**-**-**-**-**-**-**-. r-*-**-**-**-**-. BY l N. E. S. BY J OTHE.RS .. 1 I CLOSE \V INTERCEPTOR VALVES 'AlA 2/3 TURBINE CONTROLS SYSTEM OA/OPC CONTROLLER DE-ENERGIZE AMSAC I" I" 2/3 .------TURBINE PROTECTION SIGNALS I BY OTHERS! '"AlAI/ TURBINE CONTGROL ETS CONTROLLER DE-ENERGIZE \I OA/OPC TOM NOTE 8 TYPICAL NOTE 7 ETS TOM NOTE B CLOSE \ 1 CONTROL VALVES I I TYPICAL DEPRESSURIZE DEPRESSURIZE CLOSE \ 1 INTERMEDIATE STOP VALVES \/ \/ EMERGENCY TRIP FLUID SYSTEM I I CLOSE \ 1 ---------------------4t-------, TURBINE MAl N STOP VAL YES 63 63 63 '--T----,;:=NO=TE::;::;3;;;r--l"' tci£{L......r-....J l_ l_ r .. _ .. _ .. __ .. _. REDUNDANT BY BY ( i ) OTHERS : N. E. S. r .. -... -.. -. -.. -. -.. -. _ .. _ .. __ .. _ .. _ .. _ .. _ .. _ .. _ .. _1 i&&&&&&& :ttttttt

  • REDUNDANT v-APPROXIMATELY 30 SECONDS NOTE 5 \V.--r-GENERATOR PROTECTION SIGNALS I BY OTHERSJ FAST AUXI Ll ARY BUS TRANSFER NOTE 6 w \It ( TO GENERATOR TRIP BY ! BY . ( I ) OTHERS: I . N. E. S. I I P-9 I SHEET 41 \I \V () WI/ C TO REACTOR TRIP I SHEET 21 -.. -.. -.. -.. -.. -.. -.. -.. 7-.. -.. -.. -.. -.. -.. -.. -.. -.. -REDUNDANT 4 3 TURBINE POWER I TURBINE IMPULSE CHAMBER PRESSURE!

-**-**-**-**-**-**-**-**-**] I I I . -. *-*.-.. -*.-.. -*.-.. -.. -*.-1 2 1 !:iQill 1. DELETED 2. EXCEPT WHERE INDICATED OTHERWISE, REDUNDANCY IS INDICATED IN REGARDS TO NUCLEAR ENERGY SYSTEMS REQUIREMENTS ONLY. 3. OPEN/SHUT INDICATION IN CONTROL ROOM FOR EACH STOP VALVE. 1 NOT REDUNDANT

4. THE REMOTE DISPATCHING IS TYPICAL. ACTUAL IMPLEMENTATION MAY NOT INCLUDE REMOTE 01 SPATCHI NG. P-1 3 TO P-7 I SHEET 41 . .. -.. -.. -.. -'7 .. -.. -.. -.. -REDUNDANT C-5 C-5 BLOCK AUTOMAT! C ROO WI THORAWAL I SHEET 91 TO DEFEAT REMOTE DISPATCHING NOTE 4 I BY OTHERSJ ( . . . -.. -.. -.. -.. .. -.. -.. -.. -NOT REDUNDANT TURBINE RUNBACK VIA LOAD REFERENCE
5. GENERATOR TRIP IS DELAYED FOR 30 SECONDS AFTER ONSET OF MOTORING FOR ALL TURBINE TRIPS EXCEPT HIGH VIBRATION, LOW VACUUM, THRUST BEARING WEAR AND LOW BEARING OIL PRESSURE.
6. THE REACTOR COOLANT PUMP BUS TRANSFER SHOULD BE COMPLETED WITHIN SIX CYCLES IN ORDER TO INSURE COMPATIBILITY WITH THE UNDERFREQUENCY TRIP OF THE REACTOR COOLANT PUMP Cl RCUI T BREAKERS.

THE TRANSFER TIME LIMIT MAY BE EXTENDED ANOTHER 4 CYCLES TO A TOTAL OF NOT GREATER THAN 10 CYCLES, IF THE SYSTEM DYNAMICS ARE SUCH THAT A RCP TRIP DOES NOT OCCUR. THE 1 0 CYCLE Ll Ml T IS FOR PUMP MOTOR PROTECT! ON. A TUAL BOTH OVATION CONTROLLERS I ETS AND OA/OPCIHAVE AN ASSOCIATED SOLENOID-OPERATED TESTABLE DUMP MANIFOLD I TDMJ. EACH TOM OPERATES ON A TWO-OUT-OF-THREE COINCIDENCE LOGIC . r-NOT REDUNDANT -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. _/._ -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -, C-3 OVERTEMPERATURE LO.T I 2/41 I SHEET 51 Tl ME DELAY RELAY LOG! C I CYCL! Cl I" C-4 OVERPOWER LO.T I 2/41 I SHEET 51 ON OFF TO DEFEAT REMOTE DISPATCHING NOTE 4 REDUCE LOAD REFERENCE AT 133/. PER MINUTE IBY OTHERSJ I BY OTHERSJ I -5 SECONDS 10*60 SECONDS MANUAL TEST BYPASS I MOMENT ARYl C-16 LOW TAVG I SHEET 91 r---------e---IA TO DEFEAT REMOTE DISPATCHING I NOTE 41 I BY OTHERS! STOP TURBINE LOADING I BY OTHERSJ L .. -.. -.. -.. -.. -.. -.. -.. 7-.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. -.. _J NOT REDUNDANT REVISED INC. WIP-M-744 -000:3.3-WOS-A-1 CHNG. 0 ISSUEO DOC REVISION NOTES= USAR FIG. 7.2-1-16 CHNG. 0121.35 THIS OWG. SUPERSEDES: REV. PKG. VENDOR MANUAL= PAGE NO. SUPPLIER OWG. NO.: DRAWING NUMBER: REVISION: o_j Z<r: O> o:O f--0: SHEET NO.: 00.. wo.. SNUPPS PROJECT FUNCTIONAL DIAGRAM TURBINE TRIP, RUNBACKS, AND OTHER SIGNALS (} * '\ A Released Document Services. \v!W. [L[F M-744-00033 W09 01 _J<f: NUCLEAR OPERATING CORPORATION w 2013.1)4.1)] 11:13:45-05'00' NONE 7250D64 16 22X34 D SIZE M-7 44 -00033*01*W09 D c B A

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IICNIIoTIDN (0>4 ..... \ MOTI.I NOTE ':I: ----.-. T14'LS S\GoNI\I. 'I.S TKE OUTPUT FRO"' 8\ST .. IIU: PI!I*4SE.&:. l.sou-.T\Otr4 1.\ I..GIIIU'l."-£0 Ut Tllt.ltl.\."6*6"' !SPI C"I>\MilT Ul OllOn. TO <IINNic.T TNU TO TNII. !W'ETY 10""0& C:l.Rt.U'I. TS. l. PllOTli:CT\OM Goii.NIIi. WtDI II."Niioli. Rei 'TI"'PEI\Al\111.& S'I.GoMI\\.I 11 8" A.C\.fit\'T£t> PIUnE.C.T'I.Ot4 S.,.S. 'll ... NNUNC:l."TUIM \N TMV. Nl"'l.lol 11.0011\ 'I.S IUQII'I.II&D Tb 1!1£ "TD T._ DPII ..... TDR. .._T TM£ 1111\'l.lol C.ONTR.O\. RDoN\. 4. PIO.OTII.C'Tl.ON Gou.DII. W'l.bl! "-""liol I'.C:I PkUIUIUI F"-0,._ .. TRI\U4 '"B" PRDTU.T\.Diol SI!.T. 5. IT .. l\IS 'MIST 1>1: PIO.OVl.l:>llD 1'011. tl'oC.\1, PDR."' ANO Poll.\1 '0/ .. ,._T 1'-'1 ....... 'I.N tOMTIO.DI. BOIIokl) TO 1.ND'l.CATII. WKiiN V..._Yil '1.1 1'\!U..'t DR..FUU..V DPSM. '* T\-11 II.C.S I.OOP .... 'D \oiC7T I.EGo Oil. co"l> "'IUIIoNWIEMTS II..VI..I!I .-MD

  • 7. TO PREVENT MID-TRAVEL REVERSAL OF THE MOTOR, SEAL-INS ENSURE FULL TRAVEL OF THE VALVE IN EACH DIRECTION.

A TWO SECOND TIME DELAY AFTER THE OPENING STROKE PREVENTS IMMEDIATE REVERSAL AT END OF TRAVEL IF AN AUTOMATIC CLOSING SIGNAL IS PRESENT. A SIMILAR TIME DELAY IS ON THE CLOSING STROKE. US AR FIG. 7 . 2 18 & 7.6-4-2 lilREVISED IN:1JRPORAIED OISSUED CHJ.OO:. II i I CHAIIJE 07195 PKG.NJ. THISO\IG.Sli'ERSEIE!BY ELECTRONIC APPROVAL M-744-00040-W06

DP'Eiol COH M""') -NOT I'ULL OPEN r--------, W\DI R"IIGoll Ul PUISUU (NOT&4) I !c (N111U) I I *-

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  • 7. TO PREVENT MID-TRAVEL REVERSAL OF THE MOTOR, SEAL-INS ENSURE FULL TRAVEL OF THE VALVE IN EACH DIRECTION.

A TWO SECOND TIME DELAY AFTER THE OPENING STROKE PREVENTS IMMEDIATE REVERSAL AT END OF TRAVEL IF AN AUTOMATIC CLOSING SIGNAL IS PRESENT. A SIMILAR TIME DELAY IS ON THE CLOSING STROKE. US AR FIG. 7 . 2 18 & 7.6-4-2 lilREVISED IN:1JRPORAIED OISSUED CHJ.OO:. II i I CHAIIJE 07195 PKG.NJ. THISO\IG.Sli'ERSEIE!BY ELECTRONIC APPROVAL M-744-00040-W06}}