Original Honeywell Humidistat Wiring Diagram Honeywell Humidistat Wiring Diagram - Wiring Solutions - Going into your furnace may additionally sound intimidating, but if you have the fundamental know-how of wiring, and recognize the way to eliminate the right furnace panels to get entry to the electronics, then you definitely have to be satisfactory. The com 24v terminal might be related to the c (24 vac common) of the thermostat. When you have clean get right of entry to to the prevailing thermostat wires, simply put off and follow the equal route with the new set of wires. You can use cable ties, electrical tape, or staples (securing wires and cables article). Make sure to take a totally conservative measurement on how lengthy your new set of wires must be. You don’t want to start over, in case you arise short. A: in case you plan to improve to a brand new thermostat make sure you have got the right variety of wires to be had, otherwise your new thermostat gained’t paintings (maximum superior honeywell thermostats require a common (c) wire to energy on). In case you do need extra wires, you'll need to keep in mind how tough putting in new wires might be to your utility, and if you need to budget for an electrician or hvac tech to install the proper wiring. In a state of affairs wherein the authentic thermostat wires can also had been stapled to an interior wall stud, and now not run through conduit, you'll be better off leaving the prevailing set of wires, and slicing them off on the access and go out points of the wall. Then feed new wires with a fish tape (klein equipment). Check your local home improvement stores, or nearby tool apartment, for condominium availability.
A few programmable thermostats (e.G. Honeywell status wiring necessities) want a minimum of five wires, and maybe greater relying on what features you need to perform (humidifier, and so on). The additional 5th cord will be for commonplace; providing stepped down electricity from a transformer. Be aware: a previous installer might also have used a specific set of colour wires. This could be a non issue to hold music of if a whole new set of thermostat wires is pulled. In any other case tag the wires before removing from the present thermostat, or take note of the terminals each cord is hooked up to.