Honeywell wiring diagram - A: in case you plan to improve to a brand new thermostat make certain you have the right wide variety of wires available, otherwise your new thermostat received’t work (maximum advanced honeywell thermostats require a commonplace (c) wire to strength on). If you do want extra wires, you may need to recollect how hard putting in new wires can be on your software, and in case you need to price range for an electrician or hvac tech to put in the right wiring. In a scenario where the original thermostat wires may also were stapled to an indoors wall stud, and now not run through conduit, you will be better off leaving the present set of wires, and cutting them off on the entry and exit factors of the wall. Then feed new wires with a fish tape (klein tools). Check your local domestic development shops, or nearby device condominium, for rental availability. Observe: a preceding installer may also have used a distinctive set of color wires. This can be a non issue to hold track of if an entire new set of thermostat wires is pulled. In any other case tag the wires before eliminating from the existing thermostat, or take note of the terminals every wire is attached to. A few programmable thermostats (e.G. Honeywell status wiring necessities) want a minimal of 5 wires, and perhaps greater depending on what features you need to function (humidifier, and so on). The additional fifth wire could be for not unusual; presenting stepped down energy from a transformer.
If you have smooth get admission to to the present thermostat wires, just put off and follow the same direction with the brand new set of wires. You can use cable ties, electrical tape, or staples (securing wires and cables article). Make sure to take a very conservative size on how long your new set of wires ought to be. You don’t want to start over, if you come up quick. Going into your furnace may additionally sound intimidating, however if you have the basic understanding of wiring, and recognise the way to dispose of the right furnace panels to get entry to the electronics, then you need to be satisfactory. The com 24v terminal can be connected to the c (24 vac commonplace) of the thermostat.