Both examples of how to wire a honeywell thermostat with 4 wires are discussed below. This post provides honeywell thermostat wiring diagram 4 wire gides and hints.
Terminal labels vary by vent makemodel.
4 wire honeywell thermostat wiring diagram. 4 wire thermostat wiring diagram gallery. How to replace a 4 wire thermostat. On the honeywell truefresh ventilators they are labeled r and g as shown.
It shows actual uses for most commonly seen wire colors in 4 wire thermostat hvac units. G fan green wire r 24 vac rc and r or rh red wire y compressor air conditioner yellow wire w heat white wire note. W wire white wire.
Hes installing a honeywell 9000 wi fi. Basic thermostat wiring duration. Upgrading from a 4 wire thermostat to a 5 wire thermostat.
A previous installer may have used a different set of color wires. This wire goes to the gas controls to engage the heat on a call for heat from the thermostat when you have it set to heating mode. Some have the common c wire while others do not.
4 wire thermostat wiring diagram a beginner s overview of circuit diagrams. Substitute g wire for c wire install the honeywell wi fi smart. 4 wire honeywell thermostat wiring.
Heck now im not calling anyone a dummy. A first look at a circuit representation could be complicated however if you can check out a train map you can check out schematics. This closes the 24 volt control side of the gas furnace and begins the process of.
Honeywell thermostat wiring diagram download. 1 see diagrams on pages 1 4 for heatcool system wiring. 2 u switch down m36913 s s y y2 g c u u a w2 w k rc r la e aux eard damper ob eard fresh air damper powered by furnace air handler transformer compatible lyric t6 models.
This will be a non issue to keep track of if a whole new set of thermostat wires is pulled. How to wire a honeywell thermostat with 4 wires. Bob shows you how to upgrade from a four wire thermostat to a five wire smart thermostat.
Typical 4 wire thermostat t stat wiring examples follow. The main trouble is dealing with those different colored wires knowing which one does what and if that wasnt enough you also have numbers and letters to deal with. 4 wire thermostat wiring diagram collections of nest wireless thermostat wiring diagram refrence wiring diagram ac.
Wire color or designation. Double pole thermostat wiring diagram hitachi wire center. Even the most seasoned people who enjoy diy may come across problems with wiring a thermostat.
4 wire or 5 wire thermostat wiring problem. How to replace a 4 wire thermostat. Control pointfunction in equipment.
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