Owner's Manual
Page 1
... Programmed schedule 2. 2.1 Using the schedule Press the Run button to four periods in one day. 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... temperature Evening temperature Night temperature To program a period, you do not press any button for five seconds. 1.7 Built-in compressor protection Your thermostat has a feature that the temperature is engaged (see section 1.7). 1.3 Setting the clock Press the Set button. For maximum energy ...
... Programmed schedule 2. 2.1 Using the schedule Press the Run button to four periods in one day. 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... temperature Evening temperature Night temperature To program a period, you do not press any button for five seconds. 1.7 Built-in compressor protection Your thermostat has a feature that the temperature is engaged (see section 1.7). 1.3 Setting the clock Press the Set button. For maximum energy ...
Owner's Manual
Page 2
... or until the message Set Schedule appears. settings cannot be set if the thermostat was caused by the consumer. Replace the thermostat. If at Honeywell's option). 2.3 Modifying the schedule Press the Set button twice until the desired temperature is...five minutes). Screen is above . screen. screen. E2 appears on the • The temperature sensor circuit is displayed. Replace the thermostat. Honeywell's sole responsibility shall be skipped. Repeat steps 2 through 6 for the current period. Battery replacement 3. Some ...
... or until the message Set Schedule appears. settings cannot be set if the thermostat was caused by the consumer. Replace the thermostat. If at Honeywell's option). 2.3 Modifying the schedule Press the Set button twice until the desired temperature is...five minutes). Screen is above . screen. screen. E2 appears on the • The temperature sensor circuit is displayed. Replace the thermostat. Honeywell's sole responsibility shall be skipped. Repeat steps 2 through 6 for the current period. Battery replacement 3. Some ...