ML21305A336

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6 to Updated Final Safety Analysis Report, Figure 7.2-1, Sheet 24 of 36, Drawing 495882, Revision 2, Sheet 1, Functional Logic Diagram Pressurizer Heater Control
ML21305A336
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 10/11/2021
From:
Pacific Gas & Electric Co
To:
Office of Nuclear Reactor Regulation
Shared Package
ML21306A142 List: ... further results
References
DCL-21-074
Download: ML21305A336 (1)
v • d • e


Text

l88S617 1 2 3 I I 5 I 6 I 7 I I 9 10 COMPENSATED REMOTE CONTROL STATION REMOTE CONTfil)L STATION AUTOMATIC HEATER TURN-ON HEATER INTERLOCK VARIABLE HEATER PRESSURE REMOTE CONTROL STATION FOR GROUP ~ HEATERS FOR GROUP'cl) HEATERS - LOW PRESSURE HIGH LEVEL DEVIATION LOW LEVEL FROM ON-OFF STATION DEVIATION FOR GROUP Id) HEATERS E <CONTROL BOARD) (CONTROL BOARD) FROM PC-455J FROM LC-459E LC-459C & 460C (CONTROL BOARD> FROM (CONTROL BOARD) E

<SELECTOR SWITCH> (SELECTOR SWITCH) ( SHEET I I > CSHEET I I ) ( SHEET I I ) <SELECTOR SWITCH) (SHEET 11 > (SELECTOR SWITCH>

I OFF AUTO ON OFF AUTO ON OFF ON I OFF AUTO ON I

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I LOCAL CONTROL STATION LOCAL CONTROL STATION I I

FOR GROUP~ HEATERS FOR GROUP@ HEATERS I (SELECTOR SWITCH) <SELECTOR SWITCH) I I

D REMOTE LOCAL ON OFF REMOTE LOCAL ON OFF I D

I (NOTE 3l

!NOTE 21 ( NOTE 2)

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TURN-Oi TURN-, TURN-0~ TURN-i TURN-0~ TURN-0~ VARIABLE TURN-0~ TURN-,

GROUP 2 GROUP 2 GROUP 4 GROUP 4 GROUP I GROUP I CONTROL GROUP 3 GROUP 3

.HEATER HEATER HEATER HEATER HEATER HEATER SIGNAL HEATER HEATER FOR GROUP Q3 (NOTE 2l HEATERS CNOTE 4)

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!NOTE 4l 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 8 5. FUNCTIONAL LOGIC DIAGRAM PRIMARY COOLANT SYSTEM TRIP SIGNALS. ___________________ 5653074-5 ______ 495875 B
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

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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 DWG TYPE SUBJECT DRAWING TITLE UNIT No. RM INDEXED REV _1:._

Gl D IPIRIElslsl IHITIRI lcl0INITIRl0ILI I I I I I I I I I I 121 14 15 16 21 16-44 42 44 A PROJECT LOCATION INSTALLATION DIVISION TYPE NAME MISC DD ,

CODE:

MAN I-IOURS CAOO DRAWING SOURCE A IDI 1IAIBILl01 45-50

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!ill 0[8]Q]IIII 52 53 '-,.5556 57 59

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~7D 2 JOHN w. HEFLER }..I ....,, ,1 I, E-9995 9-30-95 NUCLEAR SAFETY RELATED REV REGISTERED ENGINEER ~::IJSfr::,oNf1,.,:"lc,~RE~-+--:cCA::.,R,=E7 0 ::NO:-.EcE,,;P-=,D-,-:H:=--IE COAST VALLEYS DIVISION

\ KEY DWG--SECTION _3_ UNIT 2 MICROFILM I 'IL, APPROVED GM BILL OF HAIL 2 aliJ.ll REV'a. GROUP HTR. rnENT's., DELETED EwP1,,, ... ,,,., .:rs ,1, "' suPv L HOLLOWAY FUNCTIONAL LOGIC DIAGRAM DWG LIST 1--1---+-------------1----+-1----1--1---+-+--1---+-------------1-----1-+---+--1----1--+--1----+-"'GR='ou""P,,,.,E~H"-'T-"'R'='s~. -"No"-'T-=--E__,_3~-"'cH'-'-G--='o_,__.-"No"-'r-=--E-=-2---11-----1-----1--1----11----1---+---E"s'-"G"'"N"""'"'sr-"1"""'"'"""=isE

-=--& PRE SSUR I ZER HEAT ER CONTROL SUPSDS 663195-12 PER FCT-16178 OWN ~ ALBOVIAS SUPSD BY I -23 9 I SUPERSEDED DWC 663195-12, ADD NOTES & REF IJAA VAL 11 AKM BMG CHKDV.A, LIM DIABLO CANYON DWGS; ISSUED WITHOUT CHANGE (OCO-EE-45667! LCW OK (I DEPARTMENT OF ENG[NEERING SHEET NO. SHEETS NO, DATE DESCRIPTION GM/SPEC OwN CHKD SUPV APVD BY BHG DATE 5-23-91 REV DESCRI PTtON GM/SPEC OWN CHKD SUPV APVD BY NO. DATE DESCRIPTION GM/SPEC OWN CHKO SUPV APVD BY NO. DATE PACIFIC GAS AND ELECTRIC COMPANY

[ 160, I 30]4958820. E62 N4351 I I 93 EWP R E V I S I O N S R E V I S I ONS R E V I S I O NS SCALES NONE SAN FRANCISCO, CALIFORNIA 495882 2 2 3 4 5 6 7 9 ~..._-ti O U I - 495852

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