ML23241A084

7 to Updated Final Safety Analysis Report, Chapter 7, Figure 7.7-7, Drawing 495883, Revision 5, I & C Functional Logic Diagram Feedwater Control & Isolation, Sheet 1

ML23241A084
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 495883, Rev 5
Download: ML23241A084 (1)

Text

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REACTOR TR IP ISHEET21

( MOTE 9 I MAt.UU RESET I t.OTE

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TURBINE TRIP I

( SHEET 161

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(SHEET 51 INOTE91

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I PUHP IN HANUAL OR PUH~ 2 RAHPING DO'olN TOOt FEED\\IATER BYPASS VAL ~E POS I T I ON D[lol.&.NO:i!GN.&.L (SHEET 211 (NOTE, J F EEDlll'ATER H.I.IN VALVE POSITION O[lolANDSIGNAL (S HEET:211 INOTE,1 G

MANUAL SPEED BIAS STEAM FLOW

!SHEET 191 INOTE91

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AUTOilolANUAL FEEOPUlolPl>P SETPOINTSELECT IFRO!ollol(Bl

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(NOTE141 BOTHPUMPS I N AUTO&----~,*

POWER< 30~. !NOTE 16 1 1-+J FEEDPU~

l>PSETPOINT ISHEET20l NOTES I. ~~~bS8.~~[~ rn~~~~6~~ 0 ~H~ ??~E~?~~ ~~~~ElQLl~~H 1~.~~~ 1~fA~~RAH AND I TS ASSOCIATED POStTIONER.

THE SOLENOI D V.1.L VES AR[ DE-Ei.[RG!ZED TO VEN T, CAUSINGTHEHAINF[EOWATERVALVETOCLOSE IN7SECONDS.

2.

ALL CIRCUITS INTHISSHEETARENOTREDUNDANTE XCEPTWERE IND!CAlEO "REOUNOUNT ".

4.

THE REOUNOAlfl lol.l.NUAL RESET CONSISTS OF T\\10 MOMENTARY CON T~OLS ON THE CONTROL M.I.IW,

ONE OF EACH TRAIN.

5. OPEN1SHUT I ND !CAT I ONFORE.&.CHF[EOil.&. TERCONTROL VALVE IN CONTROL ROOM, FEEOWATERPUMPSARE TRI PPED BY TRAIN "B" ONLY.

FEEOWATER ISOL AT IONVALVESARECLOSEOB Y TRA]N " A" ONLY.

9. SHEETNUMBERSREFERTOTHEREFERENCENUMBERSBELOW.

10. WHENEVER A PROCESS SIGNAL IS USEDFORCONTROLAND IS DERIVED FROM A PROTECTIONCHA'-'-EL,

ISOLATION MUST BE PROV IDED.

1 1, Tl-11:i DR.&.\\IING I L LUSTR.&.TES THE FUNCTION.&.L R[OUJA[HENTS OF THE REACTOR coi.TROLANDPAOTECTIONSrST[lol. THISOAAlll']i.GDOESNOTREPRESENT ACTUAL

~~~~~~~~Lt~~~~~~~f~~ON. FOR HARDWARE I HPLElolENTHION, REFER TO THE 12,

BOARD U<DICATION IS FROM A DFWCS OU TPUT.

ALL OTHER INDICATIONS ON TH IS DRAWINGAREPROVIDEDONTHEOFWCSHMI, 13,

RESE TS WHEN PI CONTROLLER OU TPUT REACHES 100%. ALSOSETSPUMPBlASESTOO.

I 4, TRACKS HIGHER FWP A/M STAT ION DEMAND WHEN BOT H PUMPS ARE IN MANUAL, 15, SWITCHESTOMANUALWHENBOTHFWPA/MSTATIONSARE IN MANUAL.

16.

~~~f0 ~u~ ~A~G~t~o ro 01..

ONCE PuMP 2 1s AT 0 %, swITCHES I TS A/lol I 7. ~;~~~~~~:~~~~ T rn~:A!~~:~~r~~o ~7~~~i~D 1~i~~l i: g~~~s Lg5;L o~A~~!t~ o~DE 1 s. ~~~EEo6?/~~s~~1~¥ 1 ~~~cT I ONAL REOu IREMENTS DOCUMENT DRAWING 6631 95-27 F ~D~E~1o1~:N2~l1:G~~,1,~3 S

~D~E~H~:,.i!s~1ii.:J=

INOTE,I ll,QT[9)

REFERENCES ( NOTE 9)

WE DWG PG&E DWG FUNCTIONAL LOG IC DIAGRAM I NDEX AND SYMBOLS FUNCTIONAL LOG ICOIAGRAMREACTORTRIPSIGNALS 3, FUNCTIONAL LOG IC DIAGRAM NUCLEAR lf1STR AND MAfrnAL TRIP SIGNALS FUNCTIONALLOGICDIAGRAMNUCLEARINSTRPERMISSIVESANDBLOCKS FUNCTIONALLOGICDIAGRAMPRIMARYCOOLANTSYSTEMTRIPSIGf1ALS

6. FUNCTIONALLOGICDIAGRAMPRESSURIZERTRIPS[Gf1ALS FUNCTIONALLOGICDIAGRAMSTEAMGENERATORTRIPSIGNALS FUNCTIONALLOGICDIAGRAMSAFEGUARDSACTUATIOf1SIGNALS

9. FUNCTIONALLOGICDIAGRAMROOCONTROLSANDRODBLOCKS 10.FUNCTIONAL LOG ICDIAGRAMSTEAM~PCONTROL 11. FUNCTIONALLOGICDIAGRAMPRESSURIZERPRESSUREANDLEVELCONTROL 12. FUNCTIONAL LOG IC DIAGRAM PRESSURIZER HEUER CONTROL 13. FUNCTIONAL LOG IC DIAGRAM FEEOWATER CDfHROL AND ISOLAT ION 14, FUNCTIONALLOGICDIAGRAMFEEOWATERCONTROLANDISOLAIION 15. FUNCTIOf1AL LOG IC DIAGRAM AU XILIARY FEEDWATER PUliPS STARTUP 16, FUNCTIONALLOG ICDIAGRAMTURB JNETRIPS, RUNBACKS/..SIGNALS

17. FUNCTIONALLOGICDIAGRAMAMSACSIGNALS 18, FUNCTIONAL LOG ICDIAGRAMSE!SMJCTRIP 19, FUNCTIONAL LOG IC DIAGRAM DIGITAL FW CONT SYS H1PUT SIGNAL VALIDATIOf1

~

~~~~~:~~:~ ~~ :~ ~:;~:;: ~:~:~:~ ~: ~~~~ ~;~ ~~N~L~~,,,c~~~R~L~~:C~I~~ ~~~~O 22. FUNCTIONAL LOG IC DIAGRAM DIGITAL FW COfH SYS SIGNAL SELECTOR LOGIC

23. DRAWING INDE X SOLID SHTE PROTECT[@ SYS INTERCONNECTIOf1

~ SCHEM. DIAGRAM NUCLEAR SAFETY RELATED 5653D74-4 5653D74 - 5 5653D74-6 5653D74 -7 5653D74-8 5653D74-9 5653D74-II 5653D74-12 5653DH-13 5653D74-14 5653D74-15 5653D74-16 5653D74-21 I 0804~2-I 495676

~95677 495878

~95879

~95880 49588 1

~95683 49588~

~95685 495886 KEY OWG. SECTION_3 _

UNIT 2 FUNC T IONAL LOGJCD!AGRAM FEEDWATERCONTROL& ISOL AT ION