Honeywell pro series thermostat wiring

Known as the common wire, C-Wire provides WiFi thermostats continuous power from heating e.

Check your thermostat wiring compatibility. Skip to main content. Our Accessibility Statement. How do I wire my thermostat? Last updated. When wiring, each wire should be identified by what terminal s it connects to — never by color.

Honeywell pro series thermostat wiring

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Hide thumbs. Table of Contents. Quick Links. Previous Page. Next Page. Thermostat Honeywell hr90 Quick Start Manual 12 pages. See Figure 1.

Honeywell pro series thermostat wiring

Check your thermostat wiring compatibility. Skip to main content. Our Accessibility Statement. How do I wire my thermostat? Last updated.

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Go to your furnace or heating system This system is often located in your basement, attic, or garage. If you have a thermostat with a digital display and it goes blank, you can skip this process. Use the included mount and adhesive pad to attach the C-Wire Adapter inside your furnace or heating system. Look where the wires come out of the wire bundle sleeve or sheath Where the little colored wires converge into one cable. Relabel your Y-Wire with the "K" sticker provided with your new thermostat. YES — You can use this unused wire as a C wire to install your new thermostat this will require connecting the unused wire to the C terminal at your thermostat, and at your HVAC equipment — Proceed to the next step. Disconnect only the wires that you labeled. Next, remove your existing thermostat from the wall plate. Thanks for your feedback! Note : You may need a screwdriver to release wires from terminals. Continue to the next step. Make a note of any present wire not connected to a terminal. Check your thermostat wiring compatibility.

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Locate any unconnected wire labeled W or W1. Note: The unused wire should be the same color as the one near your existing thermostat. Online chat Offline chat. Thanks for your feedback! Disconnect only the wires that you labeled. However, you could see as few as two and many as ten. Check all that apply not all will apply. What should we do to improve this article? G is compatible, but not G1, G2, or G3. If you don't have stickers, you can use tape and a pen. If you have more than one wire for example, you have a wire labeled R and another wire labeled Rc , remove any jumpers between the R and Rc terminals or push the switch to open the RC terminal to insert a wire. Make sure the terminal markings are visible. Gently pull the wires towards you.