ML20268A518

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5 to Updated Final Safety Analysis Report, Chapter 7, Drawing 19407, Rev. 16, Sheet 1, Electrical Logic Diagram Containment Fan Coolers
ML20268A518
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 06/30/2020
From:
Pacific Gas & Electric Co
To:
Office of Nuclear Reactor Regulation
Shared Package
ML20268B299 List: ... further results
References
DCL-20-075
Download: ML20268A518 (1)


Text

2 3 4 5 6 7 8 9 10 TABLE A CFCLJ DEV I CE DESCRIPTION SETTING HSDP STOP HSDP HIGH VIBRATION PB/RESET I ON ~ ALARM 12 12 2FI 2FIA SI TI MER AUTO XFR T!MER REF 2 REF 2 CS/NEUT/ON OFF 11 2F2 SI TI MER REF 2 E 11 2F2A AUTO XFR T!MER REF 2 HSDP 212 R ti.QJ 13 2GI SI TI MER REF 3 START 13 2GIA AUTO XFR T!MER REF 3 14 2HI SI TI MER REF 4 HSDP 212 R CNC 14 2HIA AUTO XFR T!MER REF 4 TRANSFER SW! TCH 43R/LOCAL 15 2G2 SI TI MER REF 3 212 RED LIGHT AT MCC 15 2G2A AUTO XFR T!MER REF 3 HSDP CONTROL TRANSFER~ CUT RELAY CO SWITCH HIGH SPD START TRANSFER NOTE I 42A-IF-I CFCUl2

REFERENCES:

DWG NO, HIGH I. LOGIC DIAGRAM SYMBOLS _ _ _ 19425 CONTROL TRANSFER 2.LOGIC DIAG 4KV FIi AUTO XFR _ 458863 II RELAY MANUAL ALARM 212 3.LOGIC DIAG 4KV "G" AUTO XFR_458864 RESET 4.LOGIC DIAG 4KV "H" AUTO XFR_458865 D CONTROL RM OVERCURRENT 5.LIST OF ELEC DEVICES FOR CS/HIGH SPD HIGH SPD PROT & CONTROL - - _ _ _ SAP CONTROL 49-2F-1 6.SCH DIAG FAN COOLERS _ _ _ 437600 ROOM 212 OL/HIGH 42A-IF-1 HIGH SPD LOW STOP NOTES:

START 212 CFCUl2 I. CONTROL TRANSFER RELAY C.O. SWITCH FANS I I, 13 & 14 - NORMALLY CUT IN FANS 12, 15 - NORMALLY CUT OUT ALARM WHEN NOT IN NORMAL POSITION CONTROL 2. THE PREFIX 2 REFERS TO IEEE DEV I CE ROOM 212 GREEN LIGHT ~2 WHICH IS A TIME DELAY STARTING OR STOP AT MCC CLOSING RELAY. IT'S NOT REFERING TO UN IT 2 212 42A-IF-1 PB/STOP 212 G CNC 3. DELETED HIGH C

CONTROL CONTROL RM 212 G ti.QJ 4. 480V AC IS REQUIRED FOR 120V CONTROL ROOM CS/ON POWER.

LOW 212 SPD CONTROL RM 5. SINGLE RELAYS HAVE BEEN REPLACED CS/LOW SPD I TDC I LOW SPD START START OVERCURRENT L - - ____ _J 2/2 I------- CFCUl2 WITH TWO (21 RELAYS. ONE< I I RELAY LOW SPEED HAS INSTANTANEOUS CONTACTS AND ONE< I I 49-IF-I 42-IF-I AMBER LIGHT RELAY HAS THE TIME DELAY CONTACTS.

OL/LOW AT MCC THE LOGIC IS THE SAME.

SI K609XFI LOW A

START SI SIGNAL (START LOW SPD ONLY!

N LOW FROM RLY SI AUX RLY SPD 212 A CNC 0

N 2FIA I 8 AUTO /~~i~T~~A~S~.E~ ;\ IMER LEGEND:

a) B 4KV AUTO TRANSFER

~

0 SIGNAL (NO SISI (NOTE 21 43R - TRANSFERS CONTROL FROM CONTROL I

<START LOW SPD ONLY! BOARD TO HOT SHUTDOWN PANEL (HSDPI FROM AUTO BUS TRANSFER AUX. RLY. 4HFXFI 0 - DENOTES INTERCONNECT I ON TO OTHER u

C O'> Q)

+-

NUCLEAR SAFETY RELATED LOGIC DIAG. REF 2, 3 & 4 c C 0 KEY DWG SECTION 3 Olu O'>O UN IT 0 c =:J DATE REVISION DESCRIPTION DWG SCALE:

--o:::

O'>o, z ELECTRICAL NoL 10-08-2012 REVISED PER DDN-2*931 LOGIC DIAGRAM BILL OF MATL:

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0 O'> L A D,D, MNRLJ CONTAINMENT FAN COOLERS SLJPSDS:

II N Q) 0::: 0 U) R, E, SMB5 SLJPSD BY:

W O =:J DIABLO CANYON POWER PLANT DRAWING SHEET PAGE REV f- II LV, VlZO

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PACIFIC GAS AND ELECTRIC COMPANY 19407 0 16 P, E, AGB2 SAN FRANCISCO, CALIFORNIA o:::ou INPG I Size