Owner's Manual
Page 1
... activated. 1 • Heat On: Heating is activated. 1 When Cool On is flashing, this feature forces the compressor to wait five minutes before restarting. RTH221 RTH221 User Guide Programmable Thermostat 1.5 Fan switch Use the Fan switch to select the fan operation. • Auto: The fan runs only when heating or cooling is actually...
... activated. 1 • Heat On: Heating is activated. 1 When Cool On is flashing, this feature forces the compressor to wait five minutes before restarting. RTH221 RTH221 User Guide Programmable Thermostat 1.5 Fan switch Use the Fan switch to select the fan operation. • Auto: The fan runs only when heating or cooling is actually...