Lennox Furnace Wiring Diagram 16 G. Residential air conditioning maintenance plan details. The ac was removed prior to us purchasing and we are just trying to get the heat working.
Everything appeared to be an easy install from the wiring going to the existing robert shaw thermostat model c9600 4 wires r y ac w heat and g fan. Seal the hole in the wall with a suitable material to prevent drafts from entering the thermostat case. Connect optional purchase separately outdoor sensor.
Other scu series manuals are also now listed above on this page.
Wiring diagram pictures detail. According to the wiring diagram it is a 2 wire hookup red and white. The furnace is a carrier model58cmr. Connect the outdoor sensor if used to the t connections on the thermostat wire run should not exceed 300 100m.