Even the most seasoned people who enjoy DIY may come across problems with wiring a thermostat. I will explain that in a little more detail further down this page. What I would like you to know is the information detailed below is based on the industry standard, yet not all thermostats will work this way simply because letters and numbers are used as well as color. So, this is what you might expect to see in terms of colored wires and what they mean:. AND it has been recorded by a professional in the industry.

How to Connect Honeywell Wireless Thermostat to WiFi



How do I reconnect my Sensi thermostat to WIFI?
When wiring, each wire should be identified by what terminal s it connects to, never by color. If you do not know the terminal that each wire connects to, it may be necessary to go to the HVAC system and look at the designations on the control board. See the diagram below for what each wire controls on your system:. If you have a dual-fuel system, or are unsure, it is recommended that you contact a Professional HVAC Contractor to continue. To protect your equipment, turn off the power at the breaker box or switch that controls your heating and cooling equipment.


How do I reconnect my Sensi thermostat to WIFI?
Installation should only be performed by an authorized Lennox dealer. Your dealer can provide assistance with this procedure if desired. If your thermostat will not connect, contact your Lennox dealer or call Lennox for assistance. You must register the product from the thermostat itself before gaining access to the myicomfort. Your dealer will need to assist you with the first step of the registration process.



How to wire a thermostat. To wire a thermostat, you must first be aware of the type of system that you have in your home. The thermostat wiring on these systems can have very similar wiring properties. But what if you have a system that's a little different like a Heat Pump System, Then your thermostat is going to be wired a little different as well.