Honeywell RTH221B Support Question
Honeywell RTH221B Support Question
Find answers below for this question about Honeywell RTH221B.Need a Honeywell RTH221B manual? We have 1 online manual for this item!
Question posted by tosanje on July 11th, 2014
Programmable Thermostat - Rth221b How To
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Current Answers
Related Honeywell RTH221B Manual Pages
Owner's Manual - Page 1
...see section 1.7).
1.3 Setting the clock Press the Set button.
If the thermostat is following the programmed schedule, it is in Heating mode. For maximum energy savings ...Using the schedule
Press the Run button to follow ) programmed schedule
1. RTH221
RTH221
User Guide
Programmable Thermostat
1.5 Fan switch
Use the Fan switch to select the fan operation.
• Auto: The...
Owner's Manual - Page 2
...compressor protection delay has been activated. Cool On is off.
screen. Replace the thermostat.
Honeywell's sole responsibility shall be to 37 °C). HONEYWELL SHALL NOT BE ...defective or malfunctions, Honeywell shall repair or replace it is shown by the consumer. Replace the thermostat. screen.
Technical Data
5. Power Supply • 2 AAA batteries
Maximum Load ...
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