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9
10 If your system type is...
If your system type is:
q Single Stage Heat and Cool
Congratulations, you’re done!
If your system type is:
q Multistage Heat and Cool
q Heat Pump* without Backup Heat
q Heat Pump* with Backup Heat
q Heat Only
q Cool Only
Continue with Advanced Installation to match your thermostat to your system
type.
*Heat Pump—an air conditioner that provides cooling in the summer, and also
runs in reverse in the winter to provide heating.
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 24 volt or 750 mV systems. It will NOT work on
120/240 Volt systems.
Advanced Installation
Enter System Setup
To enter system setup, press and hold both
the s and FAN buttons until the display
changes (approximately 5 seconds).
Changing Settings
1. Press the s or t button to change the
setting.
2. Press NEXT to advance to the next
function.
3. Press DONE to exit and save settings.
M28348
Function Setting
Done Next
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M28349