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Single Stage Heat Pump
Example: Bosch Inverter Ducted Split
▶ Ensure the system has a C-wire
▶ Ensure the pre-installed jumper wire remains between RH and R/RC
▶ Connect the R, C, Y1, O/B and G wires from the heat pump to R/RC, C, Y,
O/B and G terminals on the wall plate, respectively
Single Stage Heat Pump
with Emergency Heat and Auxiliary Heat
Note: W/E controls Emergency Heat output, and W2/AUX controls
Auxiliary Heat output.
▶ Ensure the system has a C-wire
▶ Ensure the pre-installed jumper wire remains between RH and R/RC
▶ Connect the R, C, W1, Y1, O/B and G wires from the heat pump to R/RC,
C, W/E, Y, O/B and G terminals on the wall plate, respectively
▶ Connect jumper wire between W/E and W2/AUX.
Wiring Diagrams
R/RC
R/RC
R/RC
R/RC
Heat pump systems
Heat pump systems are specialty designed to be able to provide heating and
cooling using a single compressor, a reversing valve, and a fan.
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