ML23241A726

7 to Updated Final Safety Analysis Report, Chapter 8, Figure 8.19, Drawing 441218, Revision 11, Sheet 1, Electrical Single Line Meter & Relay Diagram Pressurizer Heaters

ML23241A726
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: ML23241A726 (1)

Text

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GROUP 24 414KW 111 BKRS.LOCATED ON PANEL PNPH24R 2 SPARED BKRS.NOT SHOWN DEVICE NUMBERS 52-2G-72 52-2H-74 WTD KEY DWG. SECTION_I_C_

DATE REVISION DESCRIPTION I

I TABLE OF DEV ICES DESCRIPTION RATING MFR TYPE CATALOG OR REFDWC 480VBREAKER

,aa K800S 480VBREAKER

,aa K800S 1-11,NUU TRANSFER SWITCH 600A SQIJAllED 3PDT 92346 liATT/VARTRANSDUCER 480A RIS SERIESlfi W-20PlEOC5XIF601iOZOA200 GROUP BREAKER NO.

DISCONNECTED BREAKER TOTAL GROUP HEATERS CONNECTED CONNECTED 52PH21-2 52PH21-5 52PH22-I 52PH22-2 52PH23-I 52PH23-2 52PH23-3 52PH23-5 52PH23-6 52PH24-4 52PH24-5 r;;'jf{.22 LOAD LOAD 69KW 46KW 46KW 23KW 46KW 46KW 46KW 46KW 46KW OKW 46KW TABLE A DETERM~HEATERS (SEE NOTE 5, 68.7)

SYMBOLS

~ CONTINUOUSRATING SCR SILICON CONTROLLED RECTIFIER

---

£83----CONTAINMENTPENETRATIONWITH IE PEN.NUMBER

---

)(--CURRENT TEST SWITCH e WATTMETER TYPICALBREAKERARRANGEMENTFORLOAOINSIDECONTAINMENT REMARKS EMM-DC2-17GCL REC.DWG.66348SH.60 I.ALLCIRCUITBREAKERSLOCATEDATHEATERDISTR.PNLS.HAVEl2.5ATRIP,EXCEPTASINDICATED.

2, PENNO,IE HAS 9 CKTS; 6 Of GR,2I It 3 OFGR,24

3. PEN N0.37E HAS 9 CKTS;T OF GA.22 ~ 2 OF GR.24

4. PENN0.34E HAS 8 CKTS; TOFGR.23~ I OF GR.24 5.THELOADKWI69KWISHOWNFOREACHBREAKERANDTHEGAOUPLOADS I4I4KWFORGROUP2I1i24AND483KWFORGROUP22&23lARETOTAL CAPACITYANDINCLUDEHEATERSTHATHAVEBEENDETERMINATED.SEE TABLEAFORDISCONNECTEDHEATERSANDTHEREMAININGCONNECTEDLOAD, 6.HEATER 156INCONTROLGROUP2IFAILEDANDISDISCONNECTED.HEATER*7FROMBACKUP GROUP24HASBEENRECONNECTEDINITSPLACEINORDERTOMAINTAINTHETOTALCONNECTED 7.HEATER*7I INCONTROLGROUP2IFAILEDANDISDISCONNECTED.HEATER*IIFROMBACKUP GROUP24HASBEENRECONNECTEDINITSPLACEINORDERTOMAINTAINTHETOTALCONNECTED LOADINCONTROLGROUP2IAT4I4KW.

REFERENCES WG NO.

I. SINGLE LINE METER & RELAY IAG,480V SYSTEM BUS SCTIONS 23,23E & 23J ___ 441234

2. SINGLE LINE METER Ii RELAY DIAG,480V SYSTEM BUS SECTION 2G

______ 441238

3. SINGLE LINE METER Ii RELAY DIAG,480V SYSTEM BUS SECTION 2H _______ 441239

4. SCHEMATIC DIAGRAM,PRESSURIZER HEATERS,SH. I ________________ 441314

5. SCHEMATIC DIAGRAM,PRESSURIZER HEATERS,SH.2_ _______________ 447517

6. DIAGRAM OF CONNECTIONS,PRESSURIZER HEATERS ________________ 441383 7, DIAGRAM or CONNECTIONS,ELEV.I00'-0",II5'-0",I28'-0" & I40'-0",AREA'H" __ 500628

9. LIST OF EQUIPMENT LOCATION CODES ______________________ I030I3 NUCLEAR SAFETY RELATED UNIT 2 SINGLELINEMETERlliRELAYDIAGRAM PRESSURIZER HEATERS

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12-19-2022©~!-!/ RevisedPerDFT-7"5759

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