Use and Care Manual

8
11 If your system type is...
If your system type is:
q Single Stage Heat and Cool
q Heat Only or Cool Only
Congratulations, you’re done!
If you are not sure of your system type or if you have other
questions, call us toll-free at 18004681502.
This thermostat works on single stage 24 volt or 750 mV systems. It will NOT
work on multi-stage systems.
Advanced Installation
Enter System Setup
To enter system setup, press and
hold both the s and t buttons until
the display changes (approximately
5 seconds).
Changing Settings
1. Press the s or t button to
change the setting.
2. Press the s and t buttons
simultaneously for one second to
advance to the next function.
3. When the last function is
displayed, press the s and t
buttons to save any changes and
exit the menu.
M33589
Heat Off Cool
Auto On
Fan
5
5
M33590
Function
Setting