4 Wire Honeywell Thermostat Wiring Diagram

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4 wire honeywell thermostat wiring diagram - honeywell thermostat wiring diagram 3 wire s le best what is innovation fantastic honeywell thermostat wiring honeywell thermostat heat pump wiring 4 wire blue 3 2 programmable honeywell thermostat wiring diagram 3 wire color code 5 2 best honeywell thermostat installation 6 wire lovely 3 wire room 4 wire or 5 wire thermostat wiring problem question we have a 19 year old condo with an old carrier mercury thermostat we have both a natural gas furnace and an ac unit this is a basic honeywell thermostat wiring diagram for a single stage heat pump if you have a two stage heat pump then you will also utilize terminal y2 for the second stage thermostat wiring details connections for the white rodgers brand of room thermostats this article gives a table showing the proper wire connections nearly all types of white rodgers room thermostats new and old used to control heating or air conditioning equipment.

including the white rodgers f90 2 wire and 3 wire thermostat installations remove 1 4 inch of the insulation from each color coded thermostat wire with wire strippers keep the ends of the wires straight span class news dt 06 05 2014 span nbsp 0183 32 i ve just replaced my old honeywell t6360 room stat as the old one stopped working i m not very experienced in matters of electricity so to make things easy for myself i simply bought a brand new one i e the same model so i could just copy over the wiring not all terminal connections are used table only shows terminals that are used for required heating operation thermostat wire es in various weights if you have heat and ac you ll need 18 5 if you ve only got heat 18 3 is sufficient but you may want to run 18 5 anyway for a bit of future proofing hi stephen good question i know venstar markets their product as a way to add a 5th wire.

to a 4 wire system but on page 3 of their manual pdf they do show it as being used to add wires to a 3 wire system look for the add cooling to a system that already has heating diagram