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  • 17.09.2019
  • by Doujas

Installing A Honeywell Programmable Thermostat

In order to power most of our Honeywell Wi-Fi smart thermostats, your system must contain a C-wire. Use the wiring compatibility tool below or see additional support content to confirm that your system meets the compatibility requirements. This will determine compatibility with most systems, but as wiring systems vary from home to home, there may be some exceptions. That can be used without a C-wire in most instances. However, if you plan to link the Lyric Round to an Apple HomeKit hub, have forced air zone panel or a Taco zone value, the C-wire is required. Wiring Compatibility Tool.

YES: Not compatible.

Sorry, this Wi-Fi thermostat won't work with your system. Click here for other thermostat options.

To help you know for sure if your system will work with the Wi-Fi thermostat, please email the following information, as this will better allow us in assisting you with an answer. NO: Next Question. YES: Congratulations, this thermostat will work with your system. Do you have an extra wire that is not connected to any terminal on the thermostat wall plate? NO: Sorry, this Wi-Fi thermostat won't work with your system.

Watch out : if your wires do not match the above see several alternative wiring installation hookups on both of the thermostat wiring manuals given just below.

Hi, I have a setup that I think is probably common, at least in the northeast, but that I found very difficult to get straight. I have a boiler with a hydronic zone valve that controls two zones. The thermostat I was replacing was an old White-Rogers mercury switch. It's a 3-wire configuration. The new t-stat is Honeywell RTH Both thermostats are wired into the hydronic valve.

Thermostat Wiring Made Simple

The valve connectors are labeled with numbers I had some trouble getting through to Honeywell support, but I finally succeeded in communicating with someone via the live chat they offer at the bottom of their help and support page. That worked well. One tip before using that service: start the chat on a laptop or mobile device; I was on a desktop and had to run up and down the stairs checking on wiring. I never would have arrived at that on my own given the information in the t-stat manual and what I've found on the internet, so bravo Honeywell support person.

Thanks Ryan, that will help other readers. I'll keep your comment in our Honeywell Thermostat Wiring Instructions. I previously had a Source1 tstat. Battery powered. No issues. I decided to upgrade to a programmable tstat. I went with the honewell TH The wiring was the same W to white, Y-yellow, and G- green.

There was an additional blue wire that was not used, but i needed now for the 24volt power.

Honeywell digital thermostat hookup

I hooked it up on the control board. Now, as soon as i connect the tstat, the blower kicks on. I have it set to auto. Even if i turn it off, it still runs. Only way to turn off the blower is to disconnect the tstat or unplug the blower.

I turned the temp up to 80 in my house. Do these units take time to sync, or anything?

Programmable Thermostat Connect the wires to the terminals. 7. 4. Figure 1 . RTH/RTH EF— About your new thermostat. WIRING. The wiring for your Honeywell thermostat depends on the functions of your heating and cooling system. You'll probably see a thermostat. This thermostat provides electronic control of 24 VAC single-stage heating and cool- ing systems, or Install the thermostat about 5 feet (m) above the floor in an area with good air .. Honeywell Limited-Honeywell Limitee. 35 Dynamic.

Should i let it run longer? Or is my tstat defective?

Thermostat Wiring Compatibility

I hooked my old source1 back up and it is fine. In the Honeywell TH installation manual, as I read the wiring instructions they expect the blue wire to be operating a reversing valve - for heat pumps. In the thermostat Custom Setup did you make sure that your thermostat is set for the proper type of heating system:. Each option offers different choices on the following screens. Note: Touch the orange Help button on any screen for more information.

Number of cooling stages Select 1 Stage default or 2 Stages.

9 Honeywell Thermostat Wiring Tips & Color Conventions for 24V and Cooling Thermostat Wiring Connections Honeywell Day Programmable Thermostat. Honeywell Wi-Fi Programmable Thermostats #support-top {border-bottom: none;} . Q: I installed my new programmable thermostat, but it won't turn on. Some programmable thermostats (e.g. Honeywell Prestige wiring.

Number of heating stages Select 1 Stage default or 2 Stages. Your fan control Select whether your thermostat default or heating system controls the fan. I f you are unsure, note which wires you have connected.

Select 1 Stage default or 2 Stages. Try the search box just below, or if you prefer, post a question or comment in the Comments box below and we will respond promptly. Just ask us! See Note 1 in the table above. Connected to the R terminal in the room thermostat.

W White White wire coming to the thermostat from the heater, connect to the W terminal in the thermostat. Share this article. Search the InspectApedia website.


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