ML23241A679

7 to Updated Final Safety Analysis Report, Chapter 7, Figure 7.6-1, Drawing 445391, Sheet 1, Rev. 31, Electrical Single Line Meter and Relay Diagram 120V Instrument AC System

ML23241A679
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: ML23241A679 (1)

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480V MCC BUS "2H" ( REF 6 l 480V MCC BUS "2G" ( REF 13 l J)52-2H-64 70 1,-H64P00C 3-*2 J)52-2H-47

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I TABLE OF DEVICES UPS OVER TEMP/COMMON ALARM REGXFMROVERTEMP/COMALM X203 LOSSOFBYPASSSOURCE/COMALM X404 AC INPUT/RECTIFIER FAIL/COM ALM INVERTEROUTPUTUNDERVOLTAGERELAY LOSS OF BATTERY SOURCE ALARM STATIC SW TRANSFERRED ALARM Xl7 MAN BYP SW IN BYPASS POS ALARM XOCRI DC INPUT CURRENT TRANSDUCER XDCR2 DC INPUT VOLTAGE TRANSDUCER XDCR4 AC OUTPUT VOLTAGE TRANSDUCER T2-23BI DC INPUT BREAKER PS.B-TYPECSJ M0DEL38-70010 PS.B-TYPECSJ M0DELJB-70010 R[S: 0-SOmVDC R[S: 0-ISOVDC RIS: 0-I30VAC G.E.TYPETJK,350A G.E.TYPETHEDl24100, IOOA I

COMMON ALARMS FOR X7, XI 3, XI8, XI9, X20, X2038.X404 LATCH CONTACTCLOSESTOENERGIZEXl2 LATCH CONTACTCLOSESTOENERGIZEXl2 NON-LATCHCONTACTCLOSESTOENERGIZEX12 NON-LATCHCONTACTCLOSESTOENERGIZEXl2 NON-LATCHCONTACTCLOSESTOENERGIZEXIO LATCH N.C. -CONTACTOPENSTOALARM LATCH N.C.-CONTACTINSERIESWITHXl7 NON-LATCHN.O.-CONTACTINSERIESlilTHXl6 I "o'~:.'-d'~~"

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2-*1/0 X9 VIY23DCA YIY23DCA VIY23ACA YIY23ACA COMPUTER COMPUTER COMPUTER COMPUTER 52-23B4 BYPASS SOURCE DISC SWITCH 52-23840IAC INPUT BREAKER F407 RECTIFIER FUSE F40B RECTIFIER FUSE G.E.TYPETHED124100, IOOA G.E. TYPE mo, 225A G.E.TYPETHE,90A C.H.TYPEHJD,250A 600VAC, 75A, ]POT 250VAC, 600A 250VAC, 600A 250VAC, 400A 250VAC, 400A 250VAC, 400A BREAK-BEFORE-MAKE SWITCH SEEOWG066I44 SEEDWG066I44 SEEDWG066I44 I

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PANEL 23 INSTRACOISTR CHAN Ill PY23 10, 2 WIRE, I20V

<ALLBKR'SARE20A, IPEXCEPTASSHDWNl ALL FUSES ARE 30A EXCEPT AS SHOWN.)

• NOTE: 23SPR IS A SPARE BKR FOR FUTURE PENETRATION REDUNDANCY, IT IS NOT CONNECTED ELECTRICALLY TO THE PANEL BUS.

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MONITOR LIGHT TERM BOX irr!i.!!Q

~'!~~~~~~ CHAN IV RADIATION MONITOR RACKRNRMS2 SPARE RADIATION MONITOR RACK "C" RNRMC SPARE AUX RELAY RACK "A" RNARA I

PANEL 23A INSTR AC DISTR CHAN Ill PY23A GENERATOR RELAY BOARD(2l RG TRANSSWE.:J.e.llFOR CONTRMVENTISOLAUX RLYS(U-ll&PZRSAFETYRV MONITORPOMI CDWG433I30l 10, 2 WIRE, I20V

<ALLBKR'SARE20A, IP EXCEPT AS SHOWN ALL FUSES ARE JOA EXCEPT AS SHOWN.)

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KEY DWG. SECTION_I_C_

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TRANSDUCER FUSE VIY230CA PLANT COMPUTER COMPUTER INPUTNO.

BACK-UP OVERCURRENT PROTECTION FOR FUSES FOR LOAD INSIDE CONTAINMENT, REF DWG 45IB05 I. 52-PY23A30 IS DEDICATED FOR UNIT 2 SAFETY PARAMETER SYS COMPUTERS 21 &c22ATB.S.f.S..C.2.J (SEE445392CIR3A30YOOl.

REFERENCES DWG NO.

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5. SINGLE LINE METER& RELAYDIAG I25VDCSYSTEM 441240

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9. INSTR AC DISTR PNLS _____________

66334I

10. DELETED II, LIST OF ELECTRICAL DEVICES

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14. ONE LINE VENDOR DIAGRAM FOR PANEL PY23 ______

602I760-223

15. ONELINEVENDORDIAGRAMFORPANELPY23A 6021760-229 NUCLEAR SAFETY RELATED UNIT 2 ATE© REVISIONDESCRIPTION 04-<6-20'8 ~

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SINGLE LINE METER 1 20v A~2s~~bt~N~ 1 !2R~~STEM I

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