ML20268A531

5 to Updated Final Safety Analysis Report, Chapter 7, Drawing 495882, Rev. 2, Sheet 1, Functional Logic Diagram Pressurizer Heater Control

ML20268A531
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: ML20268A531 (1)

Text

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REMOTE CONTROL STATION FOR GROUP ~ HEATERS

<CONTROL BOARD)

<SELECTOR SWITCH>

OFF AUTO ON 2

3 REMOTE CONTfil)L STATION FOR GROUP'cl) HEATERS (CONTROL BOARD)

(SELECTOR SWITCH)

OFF AUTO ON I

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

( SHEET I I >

HIGH LEVEL DEVIATION FROM LC-459E C SHEET I I )

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

( SHEET I I )

5 I

VARIABLE HEATER ON-OFF STATION (CONTROL BOARD>

<SELECTOR SWITCH)

OFF ON 6

COMPENSATED PRESSURE DEVIATION FROM (SHEET 11 >

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I REMOTE CONTROL STATION FOR GROUP Id) HEATERS (CONTROL BOARD)

(SELECTOR SWITCH>

OFF AUTO ON I

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.---+-------------------------1---+---------------------------I--------------I-----------+'-------------~

[ 160, I 30]4958820. E62 N4351 I I 93 EWP TURN-Oi GROUP 2

.HEATER LOCAL CONTROL STATION FOR GROUP~ HEATERS (SELECTOR SWITCH)

REMOTE LOCAL (NOTE 2l

!NOTE 4l I

TURN-,

GROUP 2 HEATER 2

ON OFF

!NOTE 21 3

TURN-0~

GROUP 4 HEATER LOCAL CONTROL STATION FOR GROUP@ HEATERS

<SELECTOR SWITCH)

REMOTE LOCAL TURN-i GROUP 4 HEATER ON OFF

( NOTE 2)

TURN-0~

GROUP I

HEATER i2SJ' TURN-0~

GROUP I HEATER I

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VARIABLE CONTROL SIGNAL FOR GROUP Q3 HEATERS TURN-0~

GROUP 3 HEATER

'--'---..~I A

I_,,,, '---,._____--/

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(NOTE 3l TURN-,

GROUP 3 HEATER CNOTE 4)

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~ NOTES I. ALL ClRCUlTS ON TH[S SHEET ARE NOT REDUNDANT.

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

3. DELETED

4. BACKUP HEATER STATUS INDlCATION IN CONTROL ROOM.

5. SHEET NUMBERS REFER TO THE REFERENCE NUMBERS BELOW.

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

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

REFERENCES (<NOTE 5 >)

WE DWG PG&E DWG I. FUNCTIONAL LOGIC DIAGRAM INDEX AND SYMBOLS ____________________________________ 5653074-I ______ 495871

2. FUNCTIONAL LOGIC O[AGRAM REACTOR TRIP SIGNALS _________________________________ 5653074-2 ______ 495872

3. FUNCTIONAL LOGIC DIAGRAM NUCLEAR INSTR AND MANUAL TRIP SIGNALS __________________ 5653074-3 ______ 495873

4. FUNCTIONAL LOGIC DIAGRAM NUCLEAR INSTR PERMISSIVE$ AND BLOCKS ___________________ 5653074-4 ______ 495874

5. FUNCTIONAL LOGIC DIAGRAM PRIMARY COOLANT SYSTEM TRIP SIGNALS. ___________________ 5653074-5 ______ 495875

6. FUNCTIONAL LOGIC DIAGRAM PRESSURIZER TRIP SIGNALS ______________________________ 5653D74-6 ______ 495876

7. FUNCTIONAL LOGIC DIAGRAM STEAM GENERATOR TRIP SIGNALS __________________________ 5653D74-7 ______ 495877

8. FUNCTIONAL LOGIC DIAGRAM SAFEGUARDS ACTUATION SIGNALS _________________________ 5653074-8 ______ 495878

9. FUNCTIONAL LOGIC DIAGRAM ROD CONTROLS AND ROD BLOCK$ ___________________________ 5653D74-9 ______ 495879

10. FUNCTIONAL LOGIC DIAGRAM STEAM DUMP CONTROL ___________________________________ 5653074-10 _____ 495880

11. FUNCTIONAL LOGIC DIAGRAM PRESSURIZER PRESSURE ANO LEVEL CONTROL _________________ 5653074-11 _____ 495881

12. FUNCTIONAL LOGIC DIAGRAM PRESSURIZER HEATER CONTROL ___________________________ 5653074-12 _____ 495882

13. FUNCTIONAL LOGIC DIAGRAM FEEDWATER CONTROL AND ISOLATION _______________________ 5653074-13 _____ 495883

14. FUNCTIONAL LOGIC DIAGRAM FEEOWATER CONTROL AND ISOLATION _______________________ 5653074-14 _____ 495884

15. FUNCTIONAL LOGIC DIAGRAM AUXILIARY FEEDWATER PUMPS STARTUP _____________________ 5653D74-15 _____ 495885

16. FUNCTIONAL LOGIC DIAGRAM TURBINE TRIPS, RUNBACKS & SIGNALS ______________________ 5653074-16 _____ 495886

17. FUNCTlONAL LOGIC DIAGRAM AMSAC SIGNALS _______________________________________ 5653D74-l 7 _____ 495887

18. FUNCTIONAL LOGIC DIAGRAM SEISMIC TRIP ________________________________________ 8759077 ________ 495888

19. FUNCTIONAL LOGIC DIAGRAM OIG[TAL FW CONT SYS INPUT SIGNAL VAL[OATION ____________ 5653074-18 _____ 495889

20. FUNCTIONAL LOGIC DIAGRAM DIGITAL FW CONT SYS FW FLOW CONTROLLER & Cv DEMAN0 ______ 5653074-19 _____ 495890

21. FUNCT[ONAL LOGIC DIAGRAM DIGITAL FW CONT SYS CONT VCV SEO & TRACKING LOG[C _______ 5653074-20 _____ 49589 I

22. FUNCTIONAL LOGIC DIAGRAM DIGITAL FW CONT SYS SIGNAL SELECTOR LOGIC ______________ 5653074-21 _____ 495892

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

24. SCHEMATIC DIAGRAM PRESSURIZER HEATERS SH I ___________________________________________________ 441314

25. SCHEMATIC DIAGRAM PRESSURIZER HEATERS SH 2 ___________________________________________________ 447517 DWG TYPE Gl 14 DWG SUBJECT DRAWING TITLE UNIT No.

D IPIRIElslsl IHITIRI lcl0INITIRl0ILI I I I I I I I I I I 121 15 16 21 16-44 42 44 PROJECT LOCATION IDI 1IAIBILl01 45-50 INSTALLATION DIVISION DD,

MAN TYPE NAME MISC CODE:

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51 52 53 '-,.5556 57 59 60 DRAWING SOURCE

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KEY DWG--SECTION _3_

UNIT 2 MICROFILM I 'IL, APPROVED GM BILL OF HAIL DWG LIST 2 aliJ.ll REV'a. GROUP HTR. rnENT's., DELETED EwP1,,,...

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o_,__. -"No"-'r-=--E -=-2---11-----1-----1--1----11----1---+---E"s'-"G"'"N"""'"'sr-"1"""'"'"""=isE PRE SSUR I Z ER HEAT ER CONTROL PER FCT-16178 OWN

~ ALBOVIAS SUPSDS 663195-12 I

-23 9 I SUPERSEDED DWC 663195-12, ADD NOTES & REF IJAA VAL 11 AKM BMG DWGS; ISSUED WITHOUT CHANGE (OCO-EE-45667!

LCW NO, DATE DESCRI PTtON GM/SPEC OWN CHKD SUPV APVD BY NO.

DATE DESCRIPTION GM/SPEC OWN CHKO SUPV APVD BY NO.

DATE DESCRIPTION GM/SPEC OwN CHKD SUPV APVD BY 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 4

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( I BHG DATE 5-23-91 SCALES NONE DIABLO CANYON DEPARTMENT OF ENG[NEERING PACIFIC GAS AND ELECTRIC COMPANY SAN FRANCISCO, CALIFORNIA SUPSD BY SHEET NO.

495882 SHEETS REV 2

9

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._-ti O U I - 495852 E

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