Cync Thermostat Wiring Configuration And Installation Guide G – green: fan – this is for the blower in the air handler. r – red: 24 volt power – your air handler is powered by 110v, but it is converted to 24v for the thermostat. c – blue: common wire for continuous 24 volt power from the thermostat to the air handler. e – white (optional): emergency heat. R or rc wire (power) connected to the r power terminal to power the thermostat. w wire (heat), connected to the heating control. g wire (fan) connected to the fan control to operate a blower in your hvac system. y1 wire (cooling) connected to the y terminal compressor refrigerant system.
Heat Pump Thermostat Wire Diagram Honeywell 1st stage heat pump with auxiliary emergency heat (7 wire) this is also known as a 7 wire honeywell thermostat wiring. a first stage heat pump system will have 1 compressor hence only 1 y wire. this is the wire that controls the first stage compressor relay. in addition to the ob wire and r wires, you will have an aux e wire. This 4 wire thermostat wiring is for simple, single stage heat pumps. see 5 wire and other options for more complex heat pump systems. 5 wire thermostat wiring. there are many hvac systems that require 5 wire thermostat wiring to connect all their components. following these directions will lead to successful thermostat replacement. what uses 5. Components of a heat pump thermostat. a heat pump thermostat is a crucial component of a heating and cooling system. it controls the operation of the heat pump by regulating the temperature and cycling the system on and off as needed. understanding the various components of a heat pump thermostat is important for proper installation and. Overview of different heat pump terminals. 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. the color of wire r is usually red wire, and c is black wire. the c wire is known as the common wire. these two connections will ensure that there is power to the thermostat.
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