ML23241A555

7 to Updated Final Safety Analysis Report, Chapter 7, Figure 7.3-6, Drawing 102791, Sheet 1, Rev. 16, Electrical Logic Diagram Containment Fan Coolers

ML23241A555
Person / Time
Site:	Diablo Canyon
Issue date:	05/25/2023
From:	Pacific Gas & Electric Co
To:	Office of Nuclear Reactor Regulation
Shared Package
ML23241A052	List: DCL-23-044, 7 to Updated Final Safety Analysis Report, Chapter 9, Figure 9.4-10, Drawing 512904, Revision 15, Mechanical Air Monitoring Technical Support Center and Post-Accident Sampling System Air Flow Diagrams ML23241A053 ML23241A054 ML23241A055 ML23241A056 ML23241A057 ML23241A058 ML23241A059 ML23241A060 ML23241A061 ML23241A062 ML23241A063 ML23241A064 ML23241A065 ML23241A066 ML23241A067 ML23241A068 ML23241A069 ML23241A070 ML23241A071 ML23241A072 ML23241A073 ML23241A074 ML23241A075 ML23241A076 ML23241A077 ML23241A078 ML23241A079 ML23241A080 ML23241A081 ML23241A082 ML23241A083 ML23241A084 ML23241A085 ML23241A086 ML23241A087 ML23241A088 ML23241A089 ML23241A090 ML23241A091 ML23241A092 ML23241A093 ML23241A094 ML23241A095 ML23241A096 ML23241A097 ML23241A098 ML23241A099 ML23241A100 ML23241A101 ... further results
References
DCL-23-044
Download: ML23241A555 (1)

Text

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

HSDP CS/NEUT /ON HSDP TRANSFER SWITCH 43R/LOCAL

~~~l~o~ O T~~~~~~~ cuT IN NOTE I CONTROL TRANSFER RELAY MANUAL RESET CONTROL RM CS/HIGH SPD 43X-2F-I CONTROL TRANSFER RELA Y 212 3

ALARM PB/STOP ------+-----------11-tX t------,t----e CONTROL RM CS / ON CONTROL RM CS / LOW SPD K609XF I 212 SI SI GNAL (START LOW SPD ONLY!

FROM SI AU X RL Y 4KV AUTO TRANSFER SIGNAL ( NO SI S I ( NOTE 2 I

( START LOW SPD ONLY I FROM AUTO BU S TRANSFER AU X. RL Y. 4HFXF I KEY OWGc SECTI ON _3_

4 5

6 7

8

~

ALARM

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42A-2F-1 HI GH 42-2F-1 HI GH HI GH SPD STAR T CFCU22 4/ 4 1--------------------,

-- :K 1-------42X-2F -I OVERCURRENT HIGH SPD 49 -2F-1 OL/H I GH HIGH

-1 ST I

TDC I

____ ]

1 INST I

I TDC I

_______ ]

2F I A AUTO BUS TRANSFER TI MER

( NOTE 2 & 5 I NUCLEAR 42A-2 F-1 HI GH 212 STOP CFCU 2-2

---+---------; A AT MCC 42-2 F-I LOW SAFETY UNIT 2 212 CNC RELATED DATE REVISION DESCRIPTION ELECTRICAL 09 20 12 D.D.

MNRU R. E.

F xC2 LV.

P. E.

AGB2 I NPG I Size REVISED PER DDN-2*933 LOG IC DIAGRAM CON TAINMENT FAN COOLERS DIABLO CANYON POWER PLANT PACIFIC GAS AND ELECTRIC COMPANY SAN FR ANC I SCO, CA LIF ORN I A 9

10 TABLE A CFCU DE"VICE DESCRIPTION SETTING 22 2FI SI TIMER REF 2 22 2FIA AUTO XFR TI MER REF 2 2 1 2F2 SI TIMER REF 2 21 2F2A AUTO XFR TI MER REF 2 23 2GI SI TIMER REF 3 23 2GIA AUTO XFR TI MER REF 3 24 2HI SI TIMER REF 4 24 2HIA AUTO XFR TI MER REF 4 25 2G2 SI TIMER 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_44I2 86 3.LOGIC DIAG 4KV "G" AUTO XFR_44I297 4.LOGIC DIAG 4KV "H" AUTO XFR_44I337

5. LI ST OF ELEC DEVICES FOR PROT & CONTROL SAP 6.SCH DIAG FAN COOLERS ___ 441313 NOTES:

I. CONTROL TRANSFER RELAY C. 0. SWITCH FANS 21, 23 & 24 -

NORMALLY CUT IN FANS 22, 25 NORMALLY CUT OUT ALARM WHEN NOT IN NORMAL POSIT I ON

2. THE PREFI X 2 REFERS TO IEEE DEVICE

• 2 WHICH IS A TIME DELAY STARTING OR

~

DWG SCA LE:

4. 480V AC IS REQUIRED FOR I20V CONTROL POWER.

5. SINGLE RELA YS HAVE BEEN REPLACED WITH TWO < 2 ) RELA YS. ONE 111 RELA Y HAS INSTANTANEOUS CONTACTS AND ONE <I)

RELA Y HAS THE TIME DELA Y CONTACTS.

THE LOGIC IS THE SAME.

LEGEND:

43R -

TRANSFERS CONTROL FROM CONTROL BOARD TO HOT SHUTDOWN PANEL < HSDP)

- f~~??6!A~~E~~~N~;C~l~N/O OTHER BI LL OF MA TL:

SUPSDS:

SUPSD BY:

DRAWING SH EET PAGE REV 10 279 1 0

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