Heating And Cooling Thermostat Wiring Diagrams For Multiple Stages. I explain what each of the letter t. Energizes on a call for.
The wires for heating purposes will be leading into terminals marked w like w w1 w2 and the wires for cooling purposes will be leading to terminals marked y like y y1 y2. Contact your local hvac expert if in doubt or check where the wires go on your heatpump and check against the thermostat diagram for the. This sometimes varies as to installers hook to the hunter thermostat and do.
Of all the heating and cooling systems commonly used in residential applications the heat pump is the.
Low voltage controls provide the precision and flexibility needed. Contact your local hvac expert if in doubt or check where the wires go on your heatpump and check against the thermostat diagram for the. 7 wire 2 stage cooling 3 stage heat residential commercial heat pump with o reversing valve and fossil fuel furnace. Wire in line voltage circuits.