Honeywell pro series thermostat wiring

Known as the common wire, C-Wire provides WiFi thermostats continuous power from heating e. Air Conditioning systems. C-Wires are required on all Resideo WiFi thermostats.

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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Note : Be sure to remove the plastic tip on each wire before connecting to a terminal, honeywell pro series thermostat wiring. If you have a C wire, place it into the C terminal on your wall plate. However, you could see as few as two and many as ten.

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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. Page 7: Power Options Before starting, turn the power off at the breaker box or switch.

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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Refer to your picture Note: If you don't see a control board, your system may not be compatible. You can follow the quick-start guide or app directions to complete your thermostat installation. Note: Don't label jumper wires that only connect between terminals. D Disconnect the labeled wires Disconnect only the wires that you labeled. Turn off power supply For your safety, turn off power at the breaker box or switch that powers your furnace or air conditioning. Online chat Offline chat. C Connect the unused wire to the C-terminal in the control board. Check all that apply not all will apply. Note: If you don't see a control board, your system may not be compatible. Referring to your photo, remove and label each wire.

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If you have a thermostat with a digital display and it goes blank, you can skip this process. Review your picture and confirm. Take a picture of your wiring. Check all that apply not all will apply. Make sure the terminal markings are visible. Make a note of any present wire not connected to a terminal. Open the heating and cooling system's cover to find the control board. What should we do to improve this article? Refer to your picture. If we recommend placing a wire in a terminal, do not move it to another terminal if we address it later in the guide. Gently pull the wires towards you. Label and connect your unused wire Label your unused wire with the "C" sticker provided with your new thermostat. For full thermostat wiring assistance: Click here.