Honeywell Rth9585Wf Heat Pump Wiring Diagram. As shown in the diagram, you will need to power up the thermostat and the 24v ac power is connected to the r and c terminals. Honeywell rthwf wi fi tstat extra wire installation video youtube rh youtube com heat pump wiring diagram schematic honeywell.

Honeywell motorised mid position diverter valve ke4024 harris bailey ltd. Wires are y, g, r, o, c, e, w2. After finding out that the honeywell model 6580 was not compatible with a heat pump with emergency heat, i installed the rth 9585 unit.