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Honeywell RTH7500D thermostat install dilemma
I am trying to replace my old Lennox thermostat with a new Honeywell RTH7500D. I have a heat pump. The Lennox 51h4601 wiring desginations are as follows:
T - Ambient Sensor L - Service light O- reversing Valve Y1- First stage compressor E- Emergency heat, no wire is connected C- Common R- Power W1- First stage Aux Heat, in addition to the wire coming through the wall there is a wire that goes to the back of the switch panel. Switches are for Auto Fan, Emergency Heat and Heat or Cool. There are also a couple of lights for emergency heat and service. G - Indoor Blower The new Honeywell does not have a T. Since there is no E coming threough the wall, is it OK to leave the E on the new Honeywell without a wire? The rest of the wires make sense and shouldn't be a problem. Advice will be greatly appreciated. |
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