How To Wire A Two Stage Thermostat 2 stage heat pump thermostat wiring if your heat pump is a 2 stage model, meaning it has low and high heat and cool modes, then you’ll need a 2 stage thermostat. a 2 stage thermostat has both a y terminal (stage 1 cooling) and a y2 terminal (stage 2 cooling), and both terminals receive wires. Understanding 2 stage heat pump wiring. in order to properly wire a 2 stage heat pump, it is important to understand the basics of its operation and the wiring connections involved. a 2 stage heat pump offers increased energy efficiency and improved comfort by operating at different heating or cooling capacities depending on the demand.
2 Stage Heat Pump Wiring Diagram Basic 2 stage heat pump wiring watch?v=amuu3eq3qls youtu.be f88y9nkvtqw?t=421. 2 stage heat pump system with two compressors (8 wire) (applies to th6320u model only) if you have a two stage heat pump system without secondary heating such as a furnace or auxiliary heating, you will have two y wires that need to be connected. one wire is for the compressor contactor stage 1 while the other for the compressor contactor stage 2. For more tips, visit our website, edgetekhvac . Heat pump thermostat wiring chart diagram. the basic heat pump wiring for a heat pump thermostat is illustrated here. it corresponds to the chart below to explain the thermostat terminal functions. before uninstalling the old thermostat take a picture of the wiring with your cell phone before removing the wires. this way you have a reference.
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