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AC Power TCZ Pump VVVF Drive TT 2 W/H CWS 4-way valves TT 3 TT 4 TT 1 S2 S1 FT 1 CWR FT 2 CW CWS = Cold Water Supply CWR = Cold Water Return CW = Cold Water Valve (variable 0-100%) S1, S2 = solenoid restrictor valves TCZ = Temperature Control Drive W/H = Electric Water Heater (thermostated) FT1, FT2 = Flow Transmitters (paddle wheel) TT1... TT4 = Temperature transmitters (RTD)
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AC Power TCZ Pump VVVF Drive TT 2 W/H CWS TT 3 TT 4 TT 1 S2 S1 FT 1 CWR FT 2 CW Counter-current, HW on tube side
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AC Power TCZ Pump VVVF Drive TT 2 W/H CWS TT 3 TT 4 TT 1 S2 S1 FT 1 CWR FT 2 CW Co-current, HW on tube side
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AC Power TCZ Pump VVVF Drive TT 2 W/H CWS TT 3 TT 4 TT 1 S1 FT 1 CWR FT 2 CW Counter-current, HW on Shell side S2
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AC Power TCZ Pump VVVF Drive TT 2 W/H CWS TT 3 TT 4 TT 1 S2 S1 FT 1 CWR FT 2 CW Co-current, HW on Shell side
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