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HVAC WIRING VOLTAGE


How to Identify Each Wire for an HVAC for a Thermostat
Sep 12, 2018By Elizabeth Knoll. Thermostats communicate with HVAC units via low voltage control wiring. Each function of a thermostat needs an appropriate wire that will run from the thermostat to the HVAC unit. Depending on what kind of HVAC unit you have, the number of wires could range from two all the way up to eight.Author: Danielle Smyth
Thermostat Wiring Colors Code [HVAC Wire Color Details]
For the thermostat wiring colors code for this terminal (if equipped) consult with the installer or trace the wire out to the source. G – This is the terminal used for the fan relay to energize the indoor blower fan .How to Wire a Thermostat · Single Transformer
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