ML20073Q555

Rev 6,TGF O Annunciator Response

ML20073Q555
Person / Time
Site:	Crystal River
Issue date:	05/17/1991
From:	Marshall W FLORIDA POWER CORP.
To:
References
AR-603, NUDOCS 9105300156
Download: ML20073Q555 (15)

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DOCUMENT TRANSMITTAL FORM 52564 FOR DOCUMENTS TRANSMITTED TO DC DESK (NRC)*

D ATE: 21 MAY 1991 B ATCH: 100 DOCUMENT NUMBER SHEET NUMDER REVISION NUMDER COPY NUMBER i AR 603 06 24 INSTRUCTIONS TO THE ADDRESSEE COMPLETE E ACH OF THE INSTRUCTIONS BELOW WHICH ARE MARKED WITH AN " X "

_X_ (1) VERIFY THE DOCUMENTS RECEIVED AGREE WITH THE ABOVE DESCRIPTION

_X_ (2) INCORPORATE THE TRANSMITTED DOCUMENTS INTO YOUR FILES

_X_ (3) DESTROY DOCUMENTS OR PORT IONS OF DOCUMENTS SUPERSEDED BY THE ABOVE

_X_ (4) SIGN AND DATE IN THE SPACES DELOW INDICATING THAT YOU COMPLETED THESE I NSTRUC T I ONS .

___ (5) SIGN BELOW INDICATING THAT YOU HAVE READ AND UNDERSTOOD THE CH ANGES AS IDENTIF IED

_X_ (6) RETURN TO DOCUMENT CONTROL, CR YSTAL RIVER UNIT 3, MAC# NAIC NR2A>( SAIG FLORIDA POWER CORP., P . O. BOX 219 CR YSTAL RIVER FLA. 32623 SIGNATURE OF ADDRESSEE DATE INDEPENDENT VERIFICATION __

DATE ( OP S )

9105300156 910521 PDR ADOCK 05000302 P PDR k0Wllp

i Rev. 6 04/25/91 Effective Date [ / 7/

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__,,,,,,-~~ ~ c ,,y g gwn ANNUNCIATOR RESPONSE AR-603 FLORIDA POWER CORPORATION CRYSTAL RIVER UNIT 3 TGF 0 ANNUNCIATOR RESPONSE LJ THIS PROCEDURE ADDRESSES SAFETY RELATED COMPONENTS i

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APPROVED BY: Interpretation Contact

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DATE: [r 7/9/

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INTERPRETATION CONTACT: Nuclear Operations Superintendent l

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ANNUNCIATOR PANEL LOCATION TGF-AX3 ANNUNCIATOR PANEL 0 VERTICAL COLUMN 1 WINDOW TITLE 1. INDICATED CONDITION 1. AUTO ACTION SETPOINT SENSING

2. CONTROL ROOM INDICATION WHICH VERIFY OR 2. O9ERATOR ACTION - VALID ALARM ELEMENT  !

PINPOINT TROUBLE NUMBER &

LOCATION L TURB GEN 1. a) Brk for TG Brg Pump open with control 1. a) DC Emergency oil pump starts.

BRG Ott PUMP switch in normal after stop. 2. a) Ensure DC emergency oil pump starts. SWITCMGEAR TRIP 2. a) Pump breaker indication, b) Start MP seal oil backup pump; check main '

tube oft system. '

0-1-1 0 1-2 5 0-1-3 TUR8 GEN 1. a) Srk closed with control switch in Normat 1. a) Auto Starts at to Lube Dit Press 112 psig. 12 psis SWITCMGEAR BRG Olt PUMP after stop. 2. a) Place control switch for applicable pump AUTO START 2. a) Pump breaker indication. in Normal after start.

b) Check main tube oil pressure.

0-1-4 -

r HP SEAL OIL 1. a) Brk open with control switch in Normal 1. a) None.

BACKUP PUMP after start. 2. a) Ensure either AC or DC Brg Lube Oil Pumps SWITCMGEAR TRIP 2. a) Pump breaker indication. running. -

0-1-5 ,

HP SEAL OIL 1. a) Brk closed with control switch in Normal 1. a) Auto Starts 1 10 psig. 10 psig SWITCHGEAR BACKUP PUMP after stop. 2. a) Check Brg. Dit pumps running.

AUTO START 2. a) Pump breaker indication- b) Check main tube oft pressure.

0-1-6 s

TURS GEN 1. a) Any one nf eight tube oil alarms. See 1. a) None. ,

LUBE OIL SYS Note 0-1-7. 2. a) Notif y Nuclear Auxiliary Operator.

• TROUBLE 2. a) None, r

0-1-7  !

6 f 1 i i 0 1-8 3 i L_

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r AR-603 Rev. 6 Page 1 f

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.D ANNUNCIATOR PANEL LOCATION TGF-4*3 ANNUNCIAT02 PANEL 0 VERTICAL COLUMN 1 WitDOW TITLE 1. INDICATED CONDITION 1. AUTO ACTION SETPOINT SENSING

2. CONTROL RDOM INDICATION WHICN VERIFY OR 2. OPERATOR ACTION - VALID ALARM ELEMENT PINPOINT TROUBLE NUMBER &

ELEMENT GldND STEAM 1. a) Gland steam drain tant levet < 29 in 1 a) Solenoid dump watre shuts.

DRN TANK LEVEL IDump vtv to cond not shut). 2. a) If stare persists, notify Nuclear Auz 29 Is TD-3-LS (OW 2. a) Decreasing condenser vacuum. Operator.

0-1-9 GLAND LTEAM 1. a) GS exhauster A or 8 breaker open and 1. a) None. .

6.1 psig CS-6-PS  !

SYSTE4 control switch in normat after start. 2. a) Start standby stand steam exhauster. 0.5 psig CS-28-PS TROU3Lt b) GS exhauster pressure 1 10" H 2 0. b) Check tocal pressure regulators and bypass 0.5 psis GS-20-PS c) Hi pressure turbine stand steam pressure with manual watwes if necessary. 0.5 psig GS-32-PS

> 6.1 psig. 0.5 psig GS-34-PS d) Governor end #1 LP turbine GS pressure low 10" M20 GS-1-PS

< 0.5 psig, e) Generator end f1 LP turbine CS pressure low SWITCHGEAR

< 0.5 psig.

f) Governor end #1 LP turbine GS pressure low t

< 0.5 psig.  ;

g) Generator end #1 LP turbine GS pressure low *

< 0.5 psig.

2. a) Low GC pressure; condenser vacuum decreasing, b) Gland steau exhauster breaker indication. -

0-1-10 R

t AR-603 Rev. 6 Page 2

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ANNUNCIATOR PANEL LOCAiloW TCF-AX3 ANNUNCIATOR PANEL 0 VERTICAL COLUMN 2 4

WitDOW YtTLE 1. INDICATED CONDITION 1. AUTO ACTFON SETPOINT SENSING i

2. CONTROL ROOM INDICATION WHICH VERIFY OR 2. OPERATOR ACTION - VALID ALARM ELEMENT PINPOINT TROUBLE NUMBER &

LOCATION TURB GEN 1. a) Breaker open and control switch in normal 1. a) None.

LIFT DIL PUMP after start. (Trips at brg press 1 3 psig) 2. a) If turbine RPM less than 600, attempt to 3 psig SWITCNCEAR 1 RIP 2. a) Breaker indication. restart pump. 600 RPM 0-2-1 TURB GEN 1. a) Lift press S 850 psig. 1. a) None.

LIFT OIL PRESS 2. a) None. 2. a) Do nct rott turbine until alarm clears. 850 psig Ta-331-PS LOW b) Notify Nuclear. Auxiliary Operator, t 0 2-2 TURB GEN 1. a) Turbine Brg press 1 6 psig. 1. a) Turbine trip.

OIL PRESS 2. a) Check main tube oil pressure. 2. a) Refer to AP-660 (TT). 6 psig 78-267-PS PRETRIP 0-2-3 TURB GEN 1. a) Thermat overload on pump. 1. a) Pump trips.

EMERG BRG PP 2. a) Breaker indication. 2. a) If turbine rotting, start AC tube oft pump.

OVERLOAD b) Check main tube oil pressure. SWITCMGEAR 0-2-4 TG LUBE O!L 1. a) Lube oft reservoir 1 6.9 ft. 1. a) None.

RESVR LEVEL b) Lube ett reservoir 1 5.9 ft. 2. a) Nuclear Ausiliary Operator. 6.9 ft. Ta-245-LS -

HIGH/ LOW 2. a) None. 5.9 ft. TB-248-LS 0 2-5 TUR8 GEN 1. a) AC or DC bearing oil pumps (TBP-3 or 1. a) None.

BRG OIL PUMP TBP-2) are in the " Putt-to-Lock" 2. a) Take action as necessary to protect the OUT OF SERVICE position. turbine bearings from toss of tube oil.

2. a) Control Switch Position.

0-2-6 l TG LUSE Olt 1. a) Vapor press on seat oit 1 0.5" N2 0 1. a) Nons. 0.5" N2 0 VAPOR EXTRCT vacuua. 2. a) Notify Nactear Auxiti'<y oprestor. VAC TB-304-PS g TROUBLE b) Vapor press > 1.3" H20 0.5" H2O

2. a) None.

0 2-7 T8-285-PS 0-2-8 0-2-9 0-2-10 AR-603 Pev. 6 Page 3

AhWUNCIATOR PANEL 0 VERTICAL COLUMN 3 ANNUNCIATOR PANEL LOCATION TGF-Ax3

1. AUTO ACil0N SETPOINT SENSING WINDOW TITLE 1. INDICATED CONDITION ELEMEhi

2. CONTROL ROOM IkDICATION WHICH VERIFY OR 2. OPERATOR ACTION - WAllD ALARM NUMBER &

PlhPOINT TROUBLE LOCATION

' 1. a) Turbine tripped.

MAIN TURB 1. a) Turbine trip lock out relay actuated.

2. a) Refer to AP-660 (TT). 86-TURB-2 TRIP 2. a) Turbine tripped.

0-3-1 l

TURS 1. a) CDSTR vacuum 1 25" Mg. 1. a ) Bac k up A.R .P. 's Auto S t a rt .

25" Mg TB-265-PS VACUUM 2. a) Condenser vacuum indication. 2. a) Refer to.0P-607.

PRETRIP 0-3 2 L TURB 1. a) Thrust bearing oil pressure 1 35 psis. 1. a) furbine trip.

2. a) Refer to AP-663 (TT). 35 psig Ta-266-PS ImRUST ERG 2. a) None.

PRETRIP 0-3-3 TURB ikROTTLE 1. a) furbine throttle pressure > 939 psig. 1. a) None.

b) Turbine throttle pressure 1 835 psig. 2. a) Check pressure setpoint setting. 935 psig SP-10-PSA-1 l PRESS 835 psig SP-10-PSA-2 M10M/ LOW 2. a) Turbine header pressure indicator, b) Check for instrument failure.

b) Main steam header pressure indicator, c) Switch to alternate pressure transmitter. SP-10-PSS-1 SP-10-PSB-2 0-3 4 0-3-5 0-3-6 J

0-3-7 t_____ ____ ____________ ____

AR-603 Rev. 6 Page 4

TGF-AX3 ANNUNCIATOR PANEL 0 VERTICAL COLUMN 3 ANNUNCIATOR PANEL LOCATION

1. AUTO ACTION SETPolNT SENSING WINDOW TITLE 1. IkDICATED CONDITION ELEMENT

2. CONTROL ROOM INDICATION WHICH VERIFY OR 2. OPERATOR ACil04 - VAllD ALARM huMBER &

PINPolNT TROUBLE LOCAfl0N i

0-3-8

1. a) One of 20 Lockout Relay has lost DC power. 1. a) None. 27C/86 LOCKOUT RELAY CONT 80 DC POWER See Note 0-3-9. 2. a) Notify System dispatcher.

b) Inform electrical supervisor of condition. LOA 6 LOSS b) ES Toggle Switch open.

c) Check DP-DP 3A fuse #10. LOAS

2. a) Lock out relay indication light.

TSx1 b) ES Toggle Switch position.

LOA 1 27C/86 TUR8 27C/86 LFT 0-3-9 .

0-3-10 AR-603 Fev. 6 Page 5

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~ m an AhkuhCIATOR PANEL LOCATION TGF-AX3 AkNUNCIATOR PAWEL 0 VERTICAL COLUMW 4 W12DOW TITLE 1. INDICATED ConDIT10W 1. AUTO ACTION SETPOINT SENSING

2. CONTROL ROOM INDICATION WHICH VERIFY OR 2. OPERATOR ACTIOW - VAlto ALARM ELEMEmi PINPOINT TROUBLE NUMBER &

LOCATIOu TURS ExH STM 1. a) tp turbine Ex temp 1 175'F. 1. a) None. 175*

TEMP Lp turbine EX temp 1 250*F. 2. a) Start hood sprays if necessary. 250*F T8-279-TS HICH 2. a) High hotwell temp. TB-280-TS O-4-1 b

TURBINE 1. a) AP between HP turbine intet and outlet 1. a) Turbine trip in 60 seconds. MS-87-Oes STEAM FLOW 5 21 psid with areaker 1661 or 1662 closed. 2. a) Increase Unit toad. 21 psid 2M S-8 7- OPS LOW 2. a) Breaker 1661 or 1662 closed with generator b) Open 1661 and 1562 ff conditions warrant. 60 sec.

toad very tow.

0-4-2 TURB LIMITED 1. a) Governor valve position is equal to 1. a) Valve open travet limited. EMC CouTACT BY selected valve position timit. 2. a) R educ e uni t load.

VALVE POS 2. a) Indicated valve position. b) Increase valve position limit.

b) Indicated valve position limit.

0-4-3 0-4-4 TUR8 GEM 1. a) Rotor vibration on any of the 9 bearings 1. a) None.

ROTOR VIB 1 7 mits. 2. a) If at critical speed adjust speed to leave 7 mits PD/VB HIGH 2. a) Check rotor vibration Indication. the critical speed area.

0-L-5 TURB GEN 1. a) Roter eccentricity (excessive bowing). 1. a) None.

ROTOR ECC 2. a) Check retor eccentricity indications. 2. a) hetify nuclear aux operator. 3 mits PD/RX HIGH b) Inspect turbine, reduce toad if necessary.

0 4-6 i

AR-603 Rev. 6 Page 6

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O O O ANNUNCIATOR PANEL LOCATION TGF-AX3 ANNUNCIATOR PANEL 0 VERTICAL COLUMN 4 WlEDOW TITLE 1. IkDICATED CONDtil0N 1. AUTO ACTION SETPOINT SENSING

2. CONTROL ROOM INDICATION WHICH VERIFY OR 2. OPERATOR ACTION - VAllD ALARM ELEMENT PINPOINT TROUBLE NUMBER &

LOCATION TUR8 1. a) Diff expansion on rotors (122 tong and 1. a) None. GEN-SMORT-A EXPANSION 1 and 2 short). 2. a) Reduce heatup rate to allow for more 1454 mits.

TROUBLE 2. a) Check differential expansion indication. equal espansion. LowG-345 PD/DE mits, GOV-SHORT-616 miis, LONG-158 0-4-7 mits ,

i TURB 1. a) Governar end rotor position 1 25 mits. 1. a) None.

ROTOR POSITION b) Generator end rotor position 1 95 mits. 2. a) Reduce toad and determine cause of alarm. 25mits PD/RPCE TROUBLE 2. a) Check rotor position indication. 95mits 0-4-8 TURB GEN 1. a) Speed channet failure. 1. a) None.

SPEED CHANNEL b) Speed Reference failure. 2. a) Notify Maintenance. EMC CouTACT ,

TROUBLE c) Speed Protection Control failure.

2. a) None.

0-4-9 TURB 1. a) Turbine shaft not turning. 1. a) Turning gear engages if in auto. $NAFT AT ZERO SPEED 2. a) Turbine speed indication. 2. a) Ensure turning gear engaged. SPEED 14/ZSN ZERJ 0-4-10 e

AR-603 Rev. 6 Page 7

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> O O ANNUNCIATOR PANEL LOCATION TCF-AX3 ANNUNCIATOR PANEL 0 VERTICAL COLUMN 5 WikDOW TITLE 1. INDICATED CONDITION 1. AUTO ACTION SETPolNT SENSING

2. CONTROL ROOM INDICATION WHICH VERIFT OR 2. OPERATOR ACTION - WALID ALARM ELEMENT PINP0lWT TROUBLE NUMBER &

LOCATION TURS AMSAC 1. a) Reactor Power >25% FP and both loop feed- 1. a) Main turbine trip if both AMSAC channets 25% FP CHANNEL water flows <17% rated flow on AMSAC trip. 17% FW TRIP Channet A or 8. b) EFIC actuation if both AMSAC channets trip. Flow

2. a) Reactor power indication. 2. a) If both AMSAC channets trip. refer to b) Main FW flow indication. AP-450 (EFW).

c) Startup FW flow indication.

0-5-1 TURB AMSAC 1. a) Reactor power <25% FP. 1. a) AMSAC channets blocked from tripping. 25% FP ATWAS LLW FLUX 2. a) Reactor power indication. 2. a) verify tocal cabinet status if reactor AMSAC BVPASS power >25%.

0-5-2 TURB AMSAC 1. a) AMSAC Channel A in test. 1. a) Channel not in test is blocked from ATWAS CHANNEL b) AMSAC Channet B in test. tripping. AMSAC Id TEST 2. a) None. 2. a) Verify local cabinet status if testing is not in progress.

0-5-3 -

0-5-4 *!

TURB GEN 1. 4) Abnormal radio frequenCles received from 1. a) None. RF Mon RADIO FREQ main electrical generator. 2. a) Notify System Engineer to compare with Cabinet SIGNAL HIGH 2. a) At RFM cabinet, determine which detector (s) known data to determine operation of unit.

abr.ormal : b) Refer to OP-701.

L1 L2 L3 0-5-5 kL TURB GEN 1. a) Nigh concentration of particles contained 1. a) Auto sequence reset activates.

CONDITION MON within main'electricct generator hydrogen 2. a) Notify Chemistry.

HIGN gas. b) Refer to OP-701

2. a) Auto alarm panel.

0-5-6 0-5-7 1

AR-603 Rev. 6 Page 8

ANNUNCI ATOR P ANEL LorATION TGF-A*3 ANNUNCIATOR PANEL 0 VERTICAL COLUME $

WIEDOW TITLE 1. IkDICATED CONDITION 1. AUTO ACTION SETPolhi SENSING

2. CouTROL RDOM INDICATION WHICH VERIFY OR 2. ' OPERATOR ACTION - VALIO ALARM ELEMENT PihP01NT TROUBLE huMBER &

LOCATIOW GEN AIR SIDE 1. a) Loss of power DC for Gen air side seal 1. a) None.

DC SEAL PP , oil backup pump TBP-10. 2. e) motify Auxiliary operator to restore power.

DUT OF SERVICE 2. a) Breaker position indicating lights out. b) Take necessary action to monitor area for E.R. CAB hydrogen concentrations. TBC-110 0-5-8 HYDROGEN 1. a) One of the misres on generator hydrogen 1. a) mone.

PANEL Annunciator Panet. 2. a) totif y nuclear Tualitary operator. M2 PANEL ALARM 2. a) H2 purity and H2 pressure indicators. b) Refer to AR-921. LOCAL 0-5-9 k

HYDROGEN  : 1. a) Hydrogen supply pressure < 80 psig. 1. a) None.

SUPPLY raESS ' 2. a) None. 2. a) Check H2 bulk tank pressure. 80 psig MT-81-PS LOW 0-5-10 -

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AR-603 Rev. 6 Page 9 ,

TGF-Ar3 ANNUNCIATOR PANEL 0 VERTICAL COLUMN 6 ANkUNCIATOR PANEL LOCATION

1. AUTO ACTION SETPOINT SENSING WINDOW TITLE 1. INDICATED CONDITION ELEMENT

2. CONTROL Room INDICATION WHICH VERIFY OR 2. OPERATOR ACTION - VALID ALARM NUNBER S PINPOINT TRDUBLE LOCATION GENERATOR 1. a) Generator Trip due to one of 10 conditions. 1. a) Trip Rreaters 3101, 3102, 3201 and 3202. 45% FP TRIP See Note 0-6-1. b) Closed sresters 3103, 3104, 3203 and 3204.

2. a) Turbine trip. c) Turbine Trip.

b) Reactor trip (above 45% FP). d) Reactor Trip (above 45% FP).

2. a) Ref er to AP-660 (TT ).

b) Refer to AP-580 (Ri).

i 0-6-1 EXCITER 1. a) Indicates exciter breaker is open. 1. a) None.

2. a) Notify Electrical Supervisor if trip was SWITCHGEAR BREAKER 2. a) Check exciter breaker position.

not a result of operator action.

TRIP 0-6-2 GEN 1. a) Ratio of Volt / Hertz la such that demage 1. a) None.

could occur in magnetic d vices due to 2. a) Bring voltage and/or f requenc r into VOLT /HERT2 59/81 PRETRIP saturation of iron cores. normat ranges.

2. a) Unit Voltage indication.

0-6-3 b) Unit frequency indication.

}

1. a ) N one . 58.0 Mz F2 CEN 1. a) Generator frequency 1 58.0 H2 UNDER FREQUENCY b) Generator f requency 158.5 Hz. 2. a) Inform system dispatcher. 58.5 Mz c) Generator frequency 1 59.0 Hz. b) Restore generator to 60 Hz if possible 59.0 M2 F1

2. a) F requency indication.

0-6-4 EXCITER 1. a) Less of power to exciter switchgear firing 1. a) None.

FIRING CCT FIRING CCT ckt. Drawer 1 or 2. 2. a) Notify Electrical Supervieor.

ERC SwGR POWER LOSS 2. a) Loss of Enciter.

0-6-5 AR-603 Rev. 6 Page 10

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ANNUNCIATOR PANEL LOCATION TGF-AX3 ANNUNCIATOR PANEL 0 VERTICAL COLUMN 6 I WINDOW TITLE 1. INDICATED CONDITION 1. AUTO ACTION SETPOINT SENSING

2. CONTROL RDOM INDICATION WHICH VERIFY OR 2. OPERATOR ACTtDN - VALID ALARM ELEMENT PINPOINT TROUBLE kumEER &

LOCATION l C'*11ER 1. a) Exciter Ground Letected. 1. a) kene. s GROUND 2. a) None. 2. a) Notify Electrical Supervisor. 64 1 EAC SWGR 0-6-6 EXCITER 1. a) Exciter excitation is higher than its 1. a) None. EXC LIM 11ED preset value. 2. a) Lower enciter escitation. SWITCHGEAR [

PRETRIP 2. a) Exciter voltage indication. l 0-6-7 EXCITER 1. a) Gen rated voltage reached during no load 1. a) Gen output voltage will not increase when RAISE operation < 24KV > 22KV. either base adjustor /vottage adjustor 24KV  !

INNIBIT b) Excitation current for rated voltage at placed in raise position. 22KV i 4

no load reached i 49 Amps 1 37 Amps. 2. a) This stars is usually caused by normal D 3x SWGR

. 2. e) skr 1661 and Skr 1662 open. relay operation for startup and other no 40 AMPS 6 0-6-8 toad condition. 37 AMPS [

GEN RELAY 1. a ) Generator potential transformer failure. 1. a) Prevents generator 83 backup relay from FOT XFMR b) Exciter potential transformer failure. operating. 60 A }

FA! LURE 2. a) None, b) Prevents generator #3 field fait relay 60 S from operating. NN CONT BD i 0-6-9 2. a) Notify Electrical Supervisor.

ISCLATED PHASE 1. a) Sus duct blower not running when manual 1. a) None.

3US DUCT switch in auto and exciter breaker closed 2. a) Reduce toad as required to limit bus SWGa i TROUBLE (A or B). duct temperature. 151*F TB-338-!S b) Return temperature > 151 F. b) Check blower and fitter. TS-339-FS c) Low flow in phase bus duct. c) Check belts on running blower. 50% To-341-MS d) Humidity in phase bus duet > 50%. d) Inspect cootars for proper flow and 1 in N2 0 TB-340-PS e) Duct Air Filt Dif Press t 1 in H20. operation. ,

2. a) Bus duct blower auto trip; to bus duct flow.

b) Auto trip on bus duct blower; Bus duct  !

fitter Diff Press Hi.

0 6-10 ,

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t AR-603 Rev. 6 Page 11  ;

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ANNUNCIATOR WINDOW

('/)

L LOCATION NOTES 0-1-7 a) Main turbine lube oil purifier circ pump trip.

b) Main turbine lube oil purifier overflow chamber high.

c) Feedwater pp turbine 3A oil purifier cire pump trip, d) feedwater pp turbine 3B oil purifier circ pump trip.

e) Turbine oil purifier exhauster trip.

f) Lube oil purifier level high.

g) Feedwater turbine lube oil purifier overflow chamber level high.

h) Feedwater turbine lube oil purifier overflow chamber Level Low.

O AR-603 Rev. 6 Page 12 t

ANNUNCIATOR O WINDOW LOCATION NOTES 0-3-9 a) Generator Neutral Ground, b) Step-up Transformer and Generator Differential.

c) Generator Differential, d) Generator Field failure, e) Exciter Overcurrent and Generator Volt /HZ.

f) Step-up Transformer Sudden Pressure, g) Generator Under Frequency.

h) Generator Backup and Negative Sequence, i) Unit Aux Transformer Neutral Ground, j) Unit Aux Transformer Sudden Pressure.

k) Unit Aux Transformer Differential.

1) Startup Transformer Neutral Ground, m) Startup Transformer Sudden Pressure, n) Startup Transformer Neutral Ground.

o) 480 V ES Bus A Undervoltage, p) 480 V ES Bus B Undervoltage, q) Reactor Trip.

r) Turbine Trip.

s) EH Low Fluid Level, t) Offsite Power Source Transformer Lockout Relays O

AR-603 Rev. 6 Page 13

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e ANNUNCIATOR O WINDOW LOCATION NOTES 0-6-1 a) Reactor Trip.

b) Generator Differential .

c) Generator Neutral Ground.

d) Generator Backup Negative Sequence, e) Generator Field Failure.

f) Exciter Overcurrent and Generator Volt /HZ.

g) Stepup transformer Sudden Pressure.

h) Stepup Transformer Differential.

i) 500 KV Substation Primary Trip.

j) 500 KV Substation Alternate Trip.

O O

AR-603 Rev. 6 Page 14 (LAST PA3E)

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