ML21305A722

6 to Updated Final Safety Analysis Report, Figure 7.3-6, Sheet 2 of 2, Drawing 102791-1, Electrical Logic Diagram Containment Fan Coolers

ML21305A722
Person / Time
Site:	Diablo Canyon
Issue date:	10/11/2021
From:	Pacific Gas & Electric Co
To:	Office of Nuclear Reactor Regulation
Shared Package
ML21306A142	List: DCL-21-074, 6 to Updated Final Safety Analysis Report, Figure 3.2-4, Sheet 1 of 16, Drawing 102004-3, Turbine Steam Supply System ML21305A089 ML21305A090 ML21305A091 ML21305A092 ML21305A093 ML21305A094 ML21305A095 ML21305A096 ML21305A097 ML21305A098 ML21305A099 ML21305A101 ML21305A102 ML21305A103 ML21305A104 ML21305A105 ML21305A106 ML21305A112 ML21305A113 ML21305A114 ML21305A115 ML21305A116 ML21305A117 ML21305A118 ML21305A119 ML21305A120 ML21305A121 ML21305A122 ML21305A123 ML21305A124 ML21305A125 ML21305A126 ML21305A127 ML21305A128 ML21305A129 ML21305A130 ML21305A131 ML21305A132 ML21305A133 ML21305A134 ML21305A135 ML21305A136 ML21305A137 ML21305A138 ML21305A139 ML21305A140 ML21305A141 ML21305A142 ML21305A143 ... further results
References
DCL-21-074
Download: ML21305A722 (1)

Text

2 3 4 5 6 7 8 9 10 TABLE A HSDP STOP HSDP 212 HIGH VIBRATION PB/RESET ON OFF r 212 ALARM

!::!QJ CFCU DEVICE 22 22 21 2FI 2FIA 2F2 DESCRIPTION SI TI MER AUTO XFR TI MER SI TI MER SETT I NG REF 2 REF 2 REF 2 CS/NEUT/ON 21 2F2A AUTO XFR TI MER REF 2 E HSDP HSDP 23 2GI SI TI MER REF 3 START CS/ON 23 2GIA AUTO XFR TI MER REF 3 212 CNC 24 2HI SI TI MER REF 4 3/3 24 2HIA AUTO XFR TI MER REF 4 HSDP SI TI MER REF 3 TRANSFER SWITCH 212 R AT MCC 25 2G2 25 2G2A AUTO XFR TI MER REF 3 43R/LOCAL HSDP CONTROL TRANS F E ~ CUT IN 42-2F-1

REFERENCES:

DWG NO.

RELAY CO SWITCH 3/3 HIGH HIGH SPD START I.LOGIC DIAGRAM SYMBOLS _ _ _ 19425 TRANSFER CFCU22 2.LOGIC DIAG 4KV "F" AUTO XFR_441286 NOTE I 42A-2F-1 43X-2F-I 3.LOGIC DIAG 4KV "G" AUTO XFR_441297 CONTROL TRANSFER ALARM HIGH 4.LOGIC DIAG 4KV "H" AUTO XFR_441337 CONTROL RELAY MANUAL TRANSFER 5.LIST OF ELEC DEVICES FOR RESET RELAY 212 PROT & CONTROL - - - - -SAP 6.SCH DIAG FAN COOLERS _ _ _ 441313 CONTROL RM OVERCURRENT NOTES:

HIGH SPD D CONTROL CS/HIGH SPD 49-2F-1 I. CONTROL TRANSFER RELAY C.O. SWITCH FANS 21, 23 & 24 - NORMALLY CUT IN ROOM OL/HIGH FANS 22, 25 - NORMALLY CUT OUT HIGH 212 ALARM WHEN NOT IN NORMAL POSITION SPD STOP 2. THE PREFIX 2 REFERS TO IEEE DEVICE 212 CFCU 2-2 START 3/3 *2 WHICH IS A TIME DELAY STARTING OR CLOSING RELAY. IT'S NOT REFERRING TO UNIT 2 CONTROL ROOM 212 G AT STOP MCC 212 42A-2F-1 5. SINGLE RELAYS HAVE BEEN REPLACED PB/STOP--------+---------+~ CNC WITH TWO <21 RELAYS. ONE 111 RELAY HIGH 212 HAS INSTANTANEOUS CONTACTS AND ONE< I I RELAY HAS THE TIME DELAY CONTACTS.

2FI THE LOGIC IS THE SAME.

C SI TI MER

( NOTE 2 & 5 I 212  !::!QJ CONTROL CONTROL RM ----- -7 ROOM CS/ON I INST I LOW SPD CONTROL RM I TDC I LOW SPD START 2121--......-----,1---- CFU22 LEGEND:

CS/LOW SPD OVERCURRENT - - - - - - - J START 43R - TRANSFERS CONTROL FROM CONTROL LOW SPEED BOARD TO HOT SHUTDOWN PANEL <HSDPI 49-2F-I A AT MCC DL/LOW - DENOTES INTERCONNECT ION TO LOGIC DIAG. REF 2, 3 & 4 OTHER SI K609XFI START A>----------------------+---+-<>---~

SI SIGNAL (START LOW SPD ONLYI 212 CNC LOW SPD FROM SI AUX RLY N I_ _ _ _ _ _TDC I 212 _ J 0 2FIA N B~----------------------------.i AUTO BUS TRANSFER TIMER I

4KV AUTO TRANSFER (NOTE 2 & 51 LO B SIGNAL (NO SISI (NOTE 21 (START LOW SPD ONLYI 0 FROM AUTO BUS TRANSFER AUX. RLY. 4HFXFI I

Ol 0

C Q)

+-

NUCLEAR SAFETY RELATED Ol 0 KEY SECTION 3 D o UNIT 2 "C

- Ol=:J DATE REVISION DESCRIPTION DWG SCALE:

OlDcr:: ELECTRICAL r--- 0 z 09-05-2012 REVISED PER DDN-2*933 BILL OF MATL:

N-L LOGIC DIAGRAM Om

-r---L A D.D. MNRLJ CONTAINMENT FAN COOLERS SLJPSDS:

II N Q)

Ct:: 0 U) R. E. F xC2 SLJPSD BY:

w - =:J DRAWING SHEET PAGE REV f- II LV" DIABLO CANYON POWER PLANT VlZO

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PACIFIC GAS AND ELECTRIC COMPANY 102791 0 16 cr::ou P. E. AGB2 SAN FRANCISCO, CALIFORNIA INPG I Size