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FLOW CONTROLLER ELECTRICAL WIRING
Power wiring to the flow controller should conform to all
applicable codes. Figure 6 illustrates the wiring required
for the HRH and HRV series of geothermal
heat pumps. Note the flow controller is available in only
in 230V single phase voltage. Pumps are fused through a
pair of circuit breakers in the unit control boxes. See
electrical table for flow controller characteristics.
Figure 6. Power Wiring
Contactor -CC
External Loop Pump (s)
208/230 Volt - 4 Amp Max.
Transformer
Capacitor
Circ Brkr
HWG PB2
Loop PB1
T2
T1
T1
T2
Grnd
L2
L1
BR
CXM Control
CB
Low Voltage
Connector
Electrical Table
Model
Volts
7602-300
230
7602-301
230
5
Amps
HP
1.07
1/6
2.14
1/3
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