RTHL2310/RTHL221
1 69-2577EF—03
Table of contents
About your new thermostat
Thermostat features .................................... 2
Thermostat is preset, ready to go ............... 3
Quick reference to controls ......................... 4
Quick reference to display ...........................5
Programming & Operation
Set time and day ......................................... 6
Select system setting .................................. 7
Select fan setting ........................................8
Using program schedules .....................9–10
Adjust program schedule (RTHL2310) ..... 11
Adjust program schedule (RTHL221) ....... 12
Program schedule overrides ...............13–14
Compressor protection ..............................15
Appendices
Battery replacement .................................. 16
Customer assistance ................................17
In case of difficulty ..............................18–19
Limited warranty ........................................20
This thermostat is ready to go!
Your new thermostat is pre-programmed
and ready to go.
See page 10 to check settings.
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