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99 OPERATION OF CONTROL AND REGENERATION PROGRAM FOfl STEAM GENERATORS SLOWDOWN CLEAN-UP MIXED BED OEMINERALIZ£RS now CONTROL VALVE (MIXED BED 0OU'NERALIZERS: 2-112-2 FLOW CONTROL VALVE {ACID SOLUTION) now CONTROL VALVE (CAUSTIC SOLUTION)
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T fCV-841 FCV-84: FCV-845 FCV-847 FCV-849 FCV-ffil FCV-853 FCV-855 FCV-857 FCV-859 FCV-Bfil FCV -870 FCV-865 FCV-866 FCV-967~ R:V-860 FCV-871 FCV-872 FCV rev..a1*
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FCV-842 FCV-84 FCV-846 FCV-848 FC\1~50 rcv-oo; F.CV-fM FCV-66 FCV-858 FCV--860 873A 8738 SERVICE BACKWASH RINSE INTER-01-SHUT-OFF OtLUTION SHUT-
~USTIC SHUT LEAK REGEN FINAL REGEN RATE CAUST IC AIR I SO-UTION BACK-LEAK WATER Off P1JWP Off Off C()I-RINSE STEP FUNCTION ANO OESCR I PT I ON SOURCE TIME FACE VENT SERIES TIMER ccw-REGEN (GPM)
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LEGEND: ~
VALVE OPEN (PIN INSERTED)
RI REGENERANT INLET WATER
~504 - 981 ACID A
VALVE CLOSED SI SERVICE INLET N,OH
- 50I CAUSTIC R
PUMP RUNNING PIN INSERTED UNIT-2 I
P_G. & E. CO.
DRAWING NUMBER
'REVISION I SHEET 9
OF SHEETS 108004
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