Honeywell T8112C

2 69-0862—4
Table of Contents
Programming Your Thermostat ........................................................................ 3
Program Schedule........................................................................................... 5
Set Current Time/Day...................................................................................... 6
Heating Program ............................................................................................. 6
Cooling Program.............................................................................................. 7
Operating Your Thermostat................................................................................ 7
Using Programming Features.......................................................................... 7
Setting Fan Switch........................................................................................... 8
Setting System Switch..................................................................................... 9
Maintaining Your Thermostat ............................................................................ 9
Installing Batteries ........................................................................................... 9
Troubleshooting Guide...................................................................................... 12
Limited One-Year Warranty ............................................................................... 17