15 Best Honeywell Thermostat Wiring Diagram Images
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Best Honeywell Thermostat Wiring Diagram Images - Twine colour, typicalletter designationpurpose apower present here while any heating or cooling is operating in the hvac system. Aux/e, w2operates 2d heating stage, or while controlling a warmth pump, the emergency heat degree. Bluebactivates the changeover to warmness relay / valves in hvac systems. Brown, blue, red, black. C24 volts ac. The common lead of the transformer. All furnace switched components have one side in their electricity connected to this lead. Browneactivates emergency warmness relay greengoperates the inner fan kmay set off emergency warmness relay in some installations. Also used among a thermostat and honeywell twine savers. Lheat pump monitor mild. May additionally turn on while emergency warmness is running. Orangeoactivates the changeover to chill relay / valves in hvac systems. O/b, w, w1operates first heating level. For heat pumps, turns on the compressor in warmness mode. Pdefrost operation in progress lamp; comes on when either the hvac compressor out of doors has switched into defrost mode. Redr24 volts ac ???? Redrc24 volts ac deliver to cooling relay in hvac gadget. Redrh24 volts ac supply to heating relay in hvac device. Whitew1, w, o/boperates first heating degree. For heat pumps, turns on the compressor in warmness mode. W2 - aux/eoperates 2nd heating level, or while controlling a warmth pump, the emergency warmness level. Xmalfunction alert lamp. Voltage gift whilst the hvac device detects a trouble in its additives. Yellowy1, yoperates first degree compressor cooling. Y2operates second cooling level. Y, y1operates first level compressor cooling. S1, s2outdoor temperature sensor (s) wires.
A: in case you plan to upgrade to a brand new thermostat make certain you've got the right wide variety of wires available, otherwise your new thermostat won’t work (most advanced honeywell thermostats require a commonplace (c) cord to strength on). In case you do want extra wires, you may need to bear in mind how tough putting in new wires can be on your application, and if you want to budget for an electrician or hvac tech to put in the proper wiring.
Observe: a preceding installer might also have used a one-of-a-kind set of coloration wires. This could be a non trouble to keep song of if a whole new set of thermostat wires is pulled. In any other case tag the wires before doing away with from the existing thermostat, or take note of the terminals every twine is connected to.