Press the “System” button to put the thermostat in Heat, Cool or Off mode.
To change the setting, push the button again.
The screen will display the setting you’ve selected.
On the right side of the display, the up and down arrow buttons operate the temperature settings.
How do I set my Honeywell thermostat?
How To Easily Program a Honeywell Thermostat –
How do you manually use Honeywell thermostat?
How to program a Honeywell Thermostat –
How do I use my Honeywell thermostat cm921?
Video: Honeywell thermostat’s program setting –
How do I set my programmable thermostat?
How To – Program a Programmable Thermostat –
What model is my Honeywell thermostat?
Flip the thermostat itself over and look for the model number, which should be printed somewhere on the back of the case. Thermostat model numbers all begin with T,” “TH,” “RTH” “C,” or “CT.” Oftentimes, there will be a “Y” in front of the model number.