ML20268A918

5 to Updated Final Safety Analysis Report, Chapter 7, Drawing 102791, Rev. 16, Sheet 1, Electrical Logic Diagram Containment Fan Coolers

ML20268A918
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: ML20268A918 (1)

Text

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HSDP STOP HSDP START HSDP TRANSFER CONTROL ROOM HIGH SPD START CONTROL ROOM STOP 2

3 212 HSDP CS/NEUT/ON HSDP CS/ON HSDP TRANSFER SWITCH 43R/LOCAL CONTROL TRANS FE~ CUT IN 3/3 RELAY CO SWITCH NOTE I 43X-2F-I CONTROL TRANSFER CONTROL ALARM RELAY MANUAL TRANSFER RESET RELAY CONTROL RM CS/HIGH SPD 212 PB/STOP--------+---------+~

CONTROL RM CS/ON 4

3/3 OVERCURRENT HIGH SPD 49-2F-1 OL/HIGH 3/3 212 5

2FI SI TI MER

( NOTE 2 & 5 I

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6 HIGH VIBRATION PB/RESET 42A-2F-1 HIGH 212 42A-2F-1 HIGH 7

8 ON r ALARM OFF 212

!::!QJ 212 CNC 212 R AT MCC 42-2F-1 HIGH HIGH SPD START CFCU22 STOP 212 CFCU 2-2 212 G AT MCC 212 CNC 212

!::!QJ LOW SPD START CONTROL ROOM LOW SPD START CONTROL RM CS/LOW SPD I

TDC I OVERCURRENT - - - - - - -

J LOW SPEED 2121--...... -----,1---- CFU22 SI START LOW SPD K609XFI A>----------------------+---+-<>---~

SI SIGNAL (START LOW SPD ONLYI FROM SI AUX RLY 212 B~----------------------------.i 4KV AUTO TRANSFER SIGNAL (NO SISI (NOTE 21 (START LOW SPD ONLYI FROM AUTO BUS TRANSFER AUX. RLY. 4HFXFI KEY SECTION 3

49-2F-I DL/LOW DATE REVISION DESCRIPTION 09-05-2012 REVISED PER DDN-2*933 D.D.

MNRLJ R. E.

F xC2 LV" P. E.

AGB2 INPG I Size I

TDC I

_______ J 2FIA AUTO BUS TRANSFER TIMER (NOTE 2 & 51 212 A AT MCC CNC NUCLEAR SAFETY RELATED UNIT 2 ELECTRICAL LOGIC DIAGRAM CONTAINMENT FAN COOLERS DIABLO CANYON POWER PLANT PACIFIC GAS AND ELECTRIC COMPANY SAN FRANCISCO, CALIFORNIA 9

DWG SCALE:

10 TABLE A CFCU DEVICE DESCRIPTION SETT I NG 22 2FI SI TI MER REF 2 22 2FIA AUTO XFR TI MER REF 2 21 2F2 SI TI MER REF 2 21 2F2A AUTO XFR TI MER REF 2 23 2GI SI TI MER REF 3 23 2GIA AUTO XFR TI MER REF 3 24 2HI SI TI MER REF 4 24 2HIA AUTO XFR TI MER REF 4 25 2G2 SI TI MER REF 3 25 2G2A AUTO XFR TI MER REF 3

REFERENCES:

DWG NO.

I.LOGIC DIAGRAM SYMBOLS ___ 19425 2.LOGIC DIAG 4KV "F" AUTO XFR_441286 3.LOGIC DIAG 4KV "G" AUTO XFR_441297 4.LOGIC DIAG 4KV "H" AUTO XFR_441337 5.LIST OF ELEC DEVICES FOR PROT & CONTROL - --- -SAP 6.SCH DIAG FAN COOLERS ___ 441313 NOTES:

I. CONTROL TRANSFER RELAY C.O. SWITCH FANS 21, 23 & 24 - NORMALLY CUT IN FANS 22, 25

- NORMALLY CUT OUT ALARM WHEN NOT IN NORMAL POSITION

2. THE PREFIX 2 REFERS TO IEEE DEVICE

• 2 WHICH IS A TIME DELAY STARTING OR CLOSING RELAY.

IT'S NOT REFERRING TO UNIT 2

5. SINGLE RELAYS HAVE BEEN REPLACED WITH TWO <21 RELAYS. ONE 111 RELAY HAS INSTANTANEOUS CONTACTS AND ONE< I I RELAY HAS THE TIME DELAY CONTACTS.

THE LOGIC IS THE SAME.

LEGEND:

43R - TRANSFERS CONTROL FROM CONTROL BOARD TO HOT SHUTDOWN PANEL <HSDPI

- DENOTES INTERCONNECT I ON TO OTHER LOGIC DIAG. REF 2, 3 & 4 BILL OF MATL:

SLJPSDS:

SLJPSD BY:

DRAWING SHEET PAGE REV 102791 0

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