Does this thermostat use 2 or 4 wires for installation?
1832283
It can be connected with anywhere from 2 to six wires depending on your system. I used only two because I don't have air conditioning and I use a battery instead of AC to power the thermostat. It's a good, versatile thermostat that's easy to install with your installation manual, and easy to program. Took me about 5 minutes to install, and I've never installed one before.
1832284
Minimum 2. Has a 3rd wire as an additional function with the furnace. May or may not be needed.
1832285
Two for heat only; 4 for heat and air-conditioning. How many do you have in your wall?
433467
It needs two wires for 24volts. Just installed one at my home. It's a great thermostat and the install is not difficult, just give yourself an afternoon to make it look nice. Make sure that the control unit can be mounted at least two feet from the thermostat.
1066006
The Wi-Fi thermostat must be powered by 24vac at all times, so it needs a power supply (typically red) and return wire (C or common). Most thermostats don't require a return wire. Take your thermostat off the wall and look and see how many wires you have. If you have both a furnace and air conditioner on one thermostat, you will probably have four wires attached: red (24v power), white (furnace relay or gas valve), green (blower relay), and yellow (compressor relay), though colors may vary. If you're lucky there will be a spare wire you can use for the C (common) wire. If not, you can run an additional wire from your furnace/boiler to the thermostat. Check out this web site: http://www.epatest.com/store/resources/images/misc/how-a-thermostat-operates.pdf It has schematics for just about every possible thermostat arrangement.
1276601
Don't know how to work with 2 wires. This switch took three wires: blue for load, black for hot line, and white for neutral line. You need to have three wires to make it work.
1304143
My previous set up was 3 wires. 2 hot and a ground. I did a few searches and was told that this unit did not need the ground wire so I left it disconnected as there is no place to connect it. The unit has been working fine for 8+ months now.
1672972
Yes. We used the same on our old boiler at camp and that was only two wires. Just determine what is your hot wire.
309737
o On my Toyota the heated sensor is the rear one. Heated sesors have 4 wires, others have 2. Lee
637568
If using 2 speed will be ok as that is what we used. If 3 speed wiring and thermostate would need to be changed.
1074808
Not sure whether or not they can. Can you provide more details as to what your trying to accomplish by having 2 thermostats.
2171390
I never actually used it. I purchased it because I needed to relocate my thermostat, but was put off by the rerouting of the wires. After some thought, I figured how to reroute the wires, so I returned it before I installed it.
1279358
Depends on your system. The manual states that this thermostat is for two wire systems (not counting a C or C1 wire). This does not work for 3 wire systems and list an 800 number for Honeywell Customer Service to call and check. I would list the number but Amazon would likely delete it.
628808
For me there was one already installed to control a fan. The existing one went bad and locked into full power so I replaced it. There was three wires from my fireplace. One is power that is looped with a thermostat and the other is a neutral. Should be simple swap out, resolder the wires and it's ready to go.
101074
Depends on how many wires , your voltage and wattage. This thermostat uses a two wire setup. It seems like you might have 4 in which case it wouldn't work. Maybe check out the Honeywell site for more specific information and the manual on it.
2173570
I installed 3 in our vacation home built in 1986 and have a 4th to install next time I am there. It is a 2 wire system and there are only 2 connections on the new thermostat (2 line in and 2 load out) works great.
493454
If you have a 4 wire system you simply install a jumper wire at the furnace. You will lose the ability to run " fan only " from the thermostat. FAQs on venstar website describe wire hookup.
1600903
Direct wired unit, this is better- you can buy longer wires and choose way you connect it/ plug in or use separate thermostat.10/2 wire required. Depend on installation you may use flexible conduit.
217683
Don't know anything about coleman, but according to the directions. The thermostat replaces standard heating and cooling systems - 4 or 5 wires.