ML18230B479
| ML18230B479 | |
| Person / Time | |
|---|---|
| Site: | Harris  |
| Issue date: | 01/14/1980 |
| From: | Ebasco Services, Westinghouse Electric Corp |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| 108D831 | |
| Download: ML18230B479 (1) | |
Text
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%ET PO1 N T LEVEL I RE.DLI N D A IKI T'T'E AlK/I z TEAM cl CPW.FLOW>ROCSRAp/I IvIEO SETPDQINT I 1 I EVEL FEEDWATE.HS
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<><<ET 7)(.5HE E.TP)514EE 4)1 I I 47 l J (4 783 l 4.7C 1 IPKN VA, I PC CODE'T (INO TE.4)RE.D LIN DASK4T AL T'0-94AAILIAL CONTROL STATION CLOSE ALL F E E DVVAT E R I SOLATI ON VALVES (13 9 o T Il E P, S)(NO T'E, 3)TRIP A LL FEE DWATF R P u PA/I P=D%(PQO TE,5 f<.)Tu RS I N4 E'TRiP (Q HF E,'T l 5)NOTES: I.ANALOG.GATE CONSISTS OF 2 SOLENOID VENT VALVES IN SERIES TO REDUNDANTLY INTERLOCK THE AIR LINE BETWEEN EACH VALVE DIAPHRAGM AND ITS ASSOCIATED PQSITIONER.
THE SOLENOID VALVES ARE DE-ENERGIZE TO VENT, CAUSING7 THE MAIN FEEDWATER VALVE TQ CLOSE IN 5 SECONDS.2.ALL CIRCUITS ON THIS SHEET ARE NQT REDUNDANT, EXCEPT WHERE INDICATED"REDUNDANT".
3.OPEN/SHUT INDICATION FOR EACH FEEDWATER VA~VI=IN4 CONTROL ROOM.4.THE REDUNDANT MANUAL RESET CONSISTS OF TWQ MOMENTARY CONTROLS ON THE CONTROL BOARD, ONE FOR EACH TRAIN.5.TRIPPING OF FEEDWATER PUMPS CAUSES CLOSURE OF ASSOCIATED PUMP DISCHARGE VALVES.6.THE FEEDWATER PUMPS AND PUMP DISCHARGE VALVES ARE SUPPLIED BY'OTHERS.PECSTE>I 7.THE STEAM GENERATOR LEVEL SIGNAL'ORIGIN MUST BE DIFFERENT FROM THAT WHICH IS USED ON SHEET 7 FOR THE LOW FEEDWATER FLOW REACTOR TRIP.A/I 0 DlgL AT F'f L FGD VV 4 T F R IK/F A I W U A L 9 4 (FC.V-a~S>CN4cpTW S)1Sl CS~wr ESI LO LU W'LD z y r 2 (3 r 0 1 N p lf MS X LP O g 4 o z x o dl Q I-V V7 CB SEP IE7 8 KM(l~)I KS+(')7 STEAM F LOW STF AMl F LOW+(4 8 8 A 2 Z.LBE 47b 0 WIDE PA N C7 E L E V4 L C H A N N E L 5 STp/I.CSEN.2=-TM.CSE pl.3.1 I POWE R RANGE N EUTROP4 FLUX ST/vl.C EPL I I'--o t--o'ux.F.P~AUX F.P AU/C, F P, NTAAT1CPHI STATION STAT IOIAI I l!A U T 0-Ivl A N VA L CONT ROL STAT l0 N Qz RE.DUND/6 NT 9 9 L'N El A SAE T MODULAR F.FFF DWARF R BY FlA'DS U ALVE (FCU-479)(N OTE 4)(44O T E 1)