ML21305A611

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6 to Updated Final Analysis Report, Figure 7.2-1, Sheet 23 of 36, Drawing 495852, Revision 2, Functional Logic Diagram Pressurizer Heater Control. Sheet 1
ML21305A611
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 495852, Rev. 2
Download: ML21305A611 (1)
v • d • e


Text

ZS8S617 2 I 3 4 5 6 7 8 9 I 10 COMPENSATED REMOTE CONTROL STATION REMOTE CONTR,..QL STATION AUTOMATIC HEATER TURN-ON HEATER INTERLOCK VARIABLE HEATER PRESSURE REMOTE CONT'1QL STATION FOR GROUP@ HEATERS FOR GROUP(i)HEATERS LOW PRESSURE HIGH LEVEL DEVIATION LOW LEVEL FROM ON-OFF STATION DEVIATION FOR GROUP@ HEATERS E <CONTROL BOARD) <CONTROL BOARD) FROM PC-455J FROM LC-459E LC-459C & 460C <CONTROL BOARDl FROM !CONTROL BOARDl E

<SELECTOR SWITCH> <SELECTOR SWITCH) !SELECTOR SWITCH> I

! SHEET I I I  ! SHEET I I l !SHEET I I l !SELECTOR SWITCHl <SHEET I I l I

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

I I

I I

[iJI I ,------- _ _ /

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

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

I I

) )

LOCAL CONTROL STATION LOCAL CONTRQL STATION I I

FOR GROUP G) HEATERS FOR GROUP(1)HEATERS I

!SELECTOR SWITCHl <SELECTOR SW!TCHl I I

D REMOTE LOCAL ON OFF REMOTE LOCAL ON OFF I D

I <NOTE 3l

!NOTE 2l ( NOTE 2 l I I

I I

I I

I I

I

/

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

I I c'-"

l'vl C C fgJ.! __ I t

TURN-OFF TURN-ON TURN-OFF TURN-ON TURN-OFF TURN-ON VARIABLE TURN-OFF TURN-ON GROUPQ GROUPQ GROUP{'.!) GROUP(!} GROUP(D GROUP(i) CONTROL GROUPG) GROUPG)

,HEATERS

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

HEATERS, ,HEATERS HEATERS HEATERS HEATERS SIGNAL ,HEATERS HEATERS

<NOTE 2 l FOR GROUP I

( NOTE 4 l

~

(NOTE 4) HEATERS (NOTE 4) ~

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 B 5. FUNCTIONAL LOGIC DIAGRAM PRIMARY COOLANT SYSTEM TRIP SIGNALS ____________________ 5653D74-5 ______ 495845 B 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 DWG TYPE SUBJECT DRAWING T[TLE UNIT No. RM INDEXED REV.£....

8l D 14 15 IPIRIElslsl IHITIRI lcl0INITIRlolLI I I I I I I I I I I I 1 16 21 16-44 42 44 1

A PROJECT LOCATION INSTALLATION DIVISION TYPE NAME MISC DD CODE MAN HOURS CAD DRAWING SOURCE A IDI I IAIBILIOI 45-50 rg 51 lfil 52 53 IB:@JIIII 5556 57 59 lfJ 60 070 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 COAST VALLEYS DIV[SION KEY DWG--SECTION _3_ UNIT I MICROFILM I lfl APPROVED GM BILL OF HATL 2 11/17/'I.J REV'

  • GROUP HTR. !DENT'S., DELETED EWP 00M M ;J', a\!!\_ BY SUPV L HOLLOWAY FUNCTIONAL LOGIC DIAGRAM DWG LIST GROUPE HTR S. ~ NOTE 3. CHG'D, NOTE 2 DSGN \EST[NGHOUSE PRESSURIZER HEATER CONTROL SUPSDS 6631 95-1 2 PER FCT. -16177 D.W W ALBOVIAS I 5-23-91 SUPERSEDED DWG 663195-12, ADO NOTES & REF WAA VAL II AKM BMG CHKDV,A. LIM DIABLO CANYON SUPSD BY DWGS; ISSUED WITHOUT CHANGE (OCO-EE-456671 LCW OK I [I DEPARTMENT OF ENG[NEERING SHEET NO. SHEETS

[160, 130l495852D.E62 I I 93 EWP NO. DA TE DESCRIPTION R E V I S I O N S GM/SPEC OWN CHKO SUPV APVO BY NO. DATE DESCRIPTION R

GM/SPEC E V I S I O N S OWN CHKD SUPV APVD BY NO. DA TE DESCRIPTION RE V I S I ONS GM/SPEC OWN CHKD SUPV APVD BY BMG DATE 5-23-91 SCALES NONE PACIFIC GAS AND ELECTRIC COMPANY SAN FRANCISCO, CALIFORNIA 495852 2v I I N435 I 2 3 I 4 I 5 6 7 9 J 2- I O U2 - 495882

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