ML20268A801

5 to Updated Final Safety Analysis Report, Chapter 7, Drawing 495852, Rev 2, Sheet 1, I & C Functional Logic Diagram Pressurizer Heater Control

ML20268A801
Person / Time
Site:	Diablo Canyon
Issue date:	06/30/2020
From:	Pacific Gas & Electric Co
To:	Office of Nuclear Reactor Regulation
Shared Package
ML20268B299	List: DCL-20-075, 5 to Updated Final Safety Analysis Report, Chapter 7, Drawing 441313, Sheet 1, Rev. 37, Electrical Schematic Diagram Containment Fan Coolers ML20268A349 ML20268A350 ML20268A351 ML20268A352 ML20268A353 ML20268A354 ML20268A355 ML20268A360 ML20268A361 ML20268A362 ML20268A363 ML20268A364 ML20268A365 ML20268A366 ML20268A367 ML20268A369 ML20268A370 ML20268A372 ML20268A373 ML20268A374 ML20268A375 ML20268A376 ML20268A377 ML20268A378 ML20268A379 ML20268A380 ML20268A381 ML20268A382 ML20268A383 ML20268A384 ML20268A385 ML20268A386 ML20268A387 ML20268A388 ML20268A389 ML20268A390 ML20268A391 ML20268A392 ML20268A393 ML20268A394 ML20268A395 ML20268A396 ML20268A397 ML20268A398 ML20268A399 ML20268A400 ML20268A401 ML20268A402 ML20268A403 ... further results
References
DCL-20-075
Download: ML20268A801 (1)

Text

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ZS8S617 REMOTE CONTROL STATION FOR GROUP@ HEATERS

<CONTROL BOARD)

<SELECTOR SWITCH>

OFF AUTO ON 2

I 3

REMOTE CONTR,..QL STATION FOR GROUP(i)HEATERS

<CONTROL BOARD)

<SELECTOR SWITCH)

OFF AUTO ON 4

AUTOMATIC HEATER TURN-ON LOW PRESSURE FROM PC-455J

! SHEET I I I HIGH LEVEL DEVIATION FROM LC-459E

! SHEET I I l HEATER INTERLOCK LOW LEVEL FROM LC-459C & 460C

!SHEET I I l 5

VARIABLE HEATER ON-OFF STATION

<CONTROL BOARDl

!SELECTOR SWITCHl OFF ON 6

COMPENSATED PRESSURE DEVIATION FROM

< SHEET I I l I

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[iJ I

7 REMOTE CONT'1QL STATION FOR GROUP@ HEATERS

!CONTROL BOARDl

!SELECTOR SWITCH>

OFF AUTO ON 8

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,------- __/

.---t-----------------------+--t--+---------------------------1------------1-----------!-'----------------:-'--,

\\_ _,;-.._/'1------------

LOCAL CONTROL STATION FOR GROUP G) HEATERS

!SELECTOR SWITCHl REMOTE LOCAL ON OFF

!NOTE 2l

)

LOCAL CONTRQL STATION FOR GROUP(1)HEATERS

<SELECTOR SW!TCHl REMOTE LOCAL ON OFF

( NOTE 2 l I

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<NOTE 3l I

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I r---+--t---------------+--+---....--+--+-----------+-----------+-----------'-----------------,-,\\

I TURN-OFF TURN-ON GROUPQ GROUPQ

,HEATERS

HEATERS,

~~=~-~v~-~~~~

< NOTE 2 l (NOTE 4)

TURN-OFF GROUP{'.!)

,HEATERS c'-"

TURN-ON GROUP(!}

HEATERS

~

(NOTE 4)

NO.

DA TE DESCRIPTION GM/SPEC OWN CHKO SUPV TURN-OFF GROUP(D HEATERS APVO BY NO.

DATE TURN-ON GROUP(i)

HEATERS DESCRIPTION t

VARIABLE CONTROL SIGNAL FOR GROUP I HEATERS GM/SPEC OWN CHKD SUPV APVD BY TURN-OFF GROUPG)

,HEATERS l'vl

( NOTE 4 l

~

TURN-ON GROUPG)

HEATERS I

I NOTES I. ALL CIRCUITS ON THIS SHEET ARE NOT REDUNDANT.

/ 2. GROUP 2 AND 3 HEATERS ARE ON SEPARATE VITAL POWER SUPPLIES.

3. DELJTED _

4. BACKUP HEATER STATUS INDICATION IN CONTROL ROOM.

5. SHEET NUMBERS REFER TO THE REFERENCE NUMBERS BELOW.

)

6. WHENEVER A PROCESS SIGNAL IS USED FOR CONTROL AND IS DERIVED FROM A PROTECTION CHANNEL, ISOLATION MUST BE PROVIDED.

7. THIS DRAWING ILLUSTRATES THE FUNCTIONAL REQUIREMENTS OF THE REACTOR CONTROL AND PROTECTION SYSTEM. THIS DRAWING DOES NOT REPRESENT ACTUAL HARDWARE IMPLEMENTATION. FOR HARDWARE IMPLEMENTATION, REFER TO THE APPLICABLE SCHEMATIC.

REFERENCES@OTE 5,2, WE owe PG&E DWG I. FUNCTIONAL LOGIC DIAGRAM INDEX AND SYMBOLS ____________________________________ 5653D74-l ______ 495841

2. FUNCTIONAL LOGIC DIAGRAM REACTOR TRIP SIGNALS _________________________________ 5653D74-2 ______ 495842

3. FUNCTIONAL LOGIC DIAGRAM NUCLEAR INSTR AND MANUAL TRIP SIGNALS __________________ 5653D74-3 ______ 495843

4. FUNCTIONAL LOGIC DIAGRAM NUCLEAR INSTR PERMISSIVES AND BLOCKS ___________________ 5653D74-4 ______ 495844

5. FUNCTIONAL LOGIC DIAGRAM PRIMARY COOLANT SYSTEM TRIP SIGNALS ____________________ 5653D74-5 ______ 495845 6, FUNCTIONAL LOGIC DIAGRAM PRESSURIZER TRIP SIGNALS _____________________________ 5653D74-6 ______ 495846

7. FUNCTIONAL LOGIC DIAGRAM STEAM GENERATOR TRIP SIGNALS __________________________ 5653D74-7 ______ 495847

8. FUNCTIONAL LOGIC DIAGRAM SAFEGUARDS ACTUATION SIGNALS _________________________ 5653D74-8 ______ 495848

9. FUNCTIONAL LOGIC DIAGRAM ROD CONTROLS AND ROD BLOCKS ___________________________ 5653D74-9 ______ 495849

10. FUNCTIONAL LOGIC DIAGRAM STEAM DUMP CONTROL ___________________________________ 5653D74-10 _____ 495850

11. FUNCTIONAL LOGIC DIAGRAM PRESSURIZER PRESSURE AND LEVEL CONTROL ________________ 5653D74-I I _____ 495851

12. FUNCTIONAL LOGIC DIAGRAM PRESSURIZER HEATER CONTROL ___________________________ 5653D74-12 _____ 495852 13, FUNCTIONAL LOGIC DIAGRAM FEEDWATER CONTROL AND ISOLATION _______________________ 5653D74-13 _____ 495853

14. FUNCTIONAL LOGIC DIAGRAM FEEDWATER CONTROL AND ISOLATION _______________________ 5653D74-14 _____ 495854

15. FUNCTIONAL LOGIC DIAGRAM AUXILIARY FEEDWATER PUMPS STARTUP _____________________ 5653D74-15 _____ 495855

16. FUNCTIONAL LOGIC DIAGRAM TURBINE TRIPS, RUNBACKS & SIGNALS ______________________ 5653D74-l6 _____ 495856

17. FUNCTIONAL LOGIC

[AGRAM AMSAC SIGNALS _______________________________________ 5653D74-l 7 _____ 495857

18. FUNCTIONAL LOGIC DIAGRAM SEISMIC TRIP ________________________________________ 8759D77 ________ 495858

19. FUNCTIONAL LOGIC DIAGRAM DIGITAL FW CONT SYS INPUT SIGNAL VALIDATION ____________ 5653D74-18 _____ 495859

20. FUNCTIONAL LOGIC DIAGRAM DIGITAL FW CONT SYS FW FLOW CONTROLLER & Cv DEMAND ______ 5653D74-19 _____ 495860

21. FUNCTIONAL LOGIC DIAGRAM DIGITAL FW CONT SYS CONT VCV SEQ & TRACKING LOGIC _______ 5653D74-20 _____ 495861

22. FUNCTIONAL LOGIC DIAGRAM DIGITAL FW CONT SYS SIGNAL SELECTOR LOGIC ______________ 5653D74-21 _____ 495862

23. DRAWING INDEX SOLID STATE PROTECTION SYS INTERCONNECTION & SCHEM. DIAGRAM ________ 108D442-I _____ 458862

24. SCHEMATIC DIAGRAM PRESSURIZER HEATERS SH I _____________________________________________ 437602

25. SCHEMATIC DIAGRAM PRESSURIZER HEATERS SH 2 ____________________________________________ 458858 DWG TYPE 8l 14 DWG SUBJECT DRAWING T[TLE UNIT No.

D IPIRIElslsl IHITIRI lcl0INITIRlolLI I I I I I I I I I I I 11 15 16 21 16-44 42 44 PROJECT LOCATION IDI I IAIBILIOI 45-50 INSTALLATION DIVISION DD MAN TYPE NAME MISC CODE HOURS CAD rg lfil

IB:@JIIII lfJ 51 52 53 5556 57 59 60 DRAWING SOURCE 0

70 RM INDEXED REV.£....

2 JOHN w. HEFLER

\\.1) "'W"--""

• ..._-1--_E_99_9S_-l--9_-3_0-_9-l5 NUCLEAR SAFETY RELATED REV REGISTERED ENGINEER

\\ \\

SIGNATU CA REG NO.

EXP DATE KEY DWG--SECTION _3_

COAST VALLEYS DIV[SION UNIT I 2 11/17/'I.J REV'

• GROUP HTR. !DENT'S., DELETED GROUPE HTR S.

~ NOTE 3. CHG'D, NOTE 2 PER FCT. -16177 I 5-23-91 SUPERSEDED DWG 663195-12, ADO NOTES & REF DWGS; ISSUED WITHOUT CHANGE (OCO-EE-456671 NO.

DA TE DESCRIPTION APPROVED GM EWP 00M M

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BY SUPV L HOLLOWAY DSGN \\EST[NGHOUSE WAA VAL II AKM BMG LCW GM/SPEC OWN CHKD SUPV APVD BY D.W W ALBOVIAS CHKDV,A. LIM OK I [ I BMG DATE 5-23-91 FUNCTIONAL LOGIC DIAGRAM PRESSURIZER HEATER CONTROL DIABLO CANYON MICROFILM I lfl BILL OF HATL DWG LIST SUPSDS 6631 95-1 2 SUPSD BY SHEET NO.

SHEETS

[160, 130l495852D.E62 I I 93 EWP R E V I S I O N S R E V I S I O N S R E V I S I O N S SCALES NONE DEPARTMENT OF ENG[NEERING PACIFIC GAS AND ELECTRIC COMPANY SAN FRANCISCO, CALIFORNIA 495852 2v N435 I 2

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