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Pub. No. 12-5027-01
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4. Press Increase ▲ or Decrease ▼ to
adjust the temperature setting, if
desired.
By pressing Temperature keys, a new hold temperature is selected.
Example display shows temporary heat setting of 55°.
NOTE: Only the heating temperature is used when the System is set to Heat. Similarly, only the cooling
temperature is used when the System is set to Cool. The thermostat uses both the heating and
cooling temperatures when the System is set to Auto.
5. Press Heat/Cool Settings to change between heat and cool settings.
6. Press Increase ▲ or Decrease ▼ to adjust the temperature setting, if desired.
(Example: Cool 84° = cooling equipment operates when the room temperature is
above 84°F)
Heat/Cool
Settings
M1457
2
System
Fan
Heat
Auto