ML23241A077

7 to Updated Final Safety Analysis Report, Chapter 7, Figure 7.3-6, Drawing 19407, Revision 16, Electrical Logic Diagram Containment Fan Coolers, Sheet 1

ML23241A077
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 ... further results
References
DCL-23-044 19407, Rev 16
Download: ML23241A077 (1)

Text

2 3 4 5 6 7 8 9 10 TAB LE A CFCU DEVI CE DESCRIPTION SETT I NG GH VIB RA TI ON 12 2F I SI TI MER REF HSDP ON ALARM 12 2F I A AUTO XFR T !MER REF 2/2 STOP HSDP PB / RESET OFF CS/NEUT /ON E HSDP II II 2F2 2F2A SI TI MER AUTO XFR T !MER REF REF HSDP CS/ON 212 13 2G I SI TI MER REF STA RT 13 2G I A AUTO XFR T !MER REF 14 2H I SI TI MER REF HSDP 212 14 2H I A AUTO XFR T !MER REF TRANSFER SW! TCH 43R/LOCAL 15 2G2 SI TI MER REF RED LI GHT AT MCC 15 2G2A AUTO XFR T !MER REF HSDP

~~~!~Oto T~~m~ R----Q"""". CUT HI GH SPD START TRANSFER NOTE I 42 A-I F - I CFCU 12 REFERE NC ES: DWG NO ,

~ I . LOGIC DIAGRAM SYMBOLS _ _ _ 1942 5 CONTROL TRANSFER 2 . LOGIC DIAG 4KV "F" AUTO XFR _ 458863 RELAY MANUAL ALARM

3. LOGIC DIAG 4KV "G" AUTO XFR _ 458864 RESET 4. LOG I C DIAG 4KV "H" AUTO XFR _ 458865 D CONTROL RM 5. L I ST OF ELE C DEV IC ES FOR CS / HIGH SPD PRO T & CONTROL - - - - - SAP CONTROL 6.SC H DIAG FAN COOLERS _ _ _ 437600 ROOM HIGH SPD START 21 2 42A - I F-I LOW ------~ 212 STOP CFCU 12 NO TE S:

I . CONTROL TRANSFER RELA Y C. 0. SW! TCH FANS I I, I 3 & 14 - NORMALLY CUT IN FANS 12, 15 - NORMALLY CUT OUT ALARM WHE N NOT IN NORMAL POSIT I ON

2. THE PR EF I X 2 REFERS TO IEEE DEV I CE CONTROL u2 WHICH IS A TIME DELA Y STARTING OR ROOM CLOSING REL AY. IT'S NOT REFERING STOP TO UNI T 2 PB /STOP 3. DELE TED C

CONTR OL G !iQJ 4. 480V AC IS REQUIRED FOR I20V CONTROL ROOM POWER.

LOW SPD 5 . SI NG LE REL AYS HAVE BEEN REPLACED STA RT WI TH TWO (21 RELAYS. ONE < II RELAY HAS INSTANTANEOUS CONTACTS AND ONE <II AMBER LI GHT REL AY HAS THE TIME DELA Y CONTACTS.

AT MCC THE LOGIC IS THE SAME.

SI K609XF I START SI SI GNAL (START LOW SPD ONLY!

N LOW FROM RL Y SI AU X RL Y SPD 2/2 A CNC 0

N 2F I A I AUTO BUS TRANS FER TI MER LE GEND:

co B 4KV AUTO TRANSF ER

~

0 SI GNA L (NO SI SI (NOT E 21 43R - TRANS FER S CONTROL FROM CONTROL I

<START LOW SPD ON LYI BOARD TO HOT SHUTDOWN PAN EL ( HSDP I FR OM AUTO BUS TRANS FER AU X. RLY . 4HF XFI 0

- ~6~nE6I l~:E~~?N~;c~ I ~N 4TO OTHER v

C Q) Q)

+-

NUCLEAR SAFETY RELATED 0 C 0 KEY OWG c SECTION _ 3_

o, Q) O v UN IT 0 0 =:J DA TE REVISION DESCRIPTION DWG SCA LE :

- - 0::: ELE CTRI CAL Ola, Z NoL 10 20 12 REVIS ED PER DDN - 2*931 LOG IC DIA GR AM BI LL OF MA TL:

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0 Ol L 00 A D,D , MNR U CON TAINM ENT FA N COO LE RS SUPS DS:

II N Q) 0::: 0 U) R, E, SM B5 SUPSD BY:

WO =:J DIABLO CANYON POWER PLANT DRAW ING SH EET PAGE REV f----- II L V, l/l Z O PACIFIC GAS AND ELECTRIC COMPAN Y 19~07 0 16

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