RTH2300/RTH221
15 69-2728ES—01
About your new thermostat
SETUP WIRING ASSISTANCE TROUBLESHOOTING
5
5
M32720
System setup
Press the s or t button to select your heating system
and optimize its operation.
Function 5: Heating cycle rate
5 Gas or oil furnace: Use this setting if you have a
standard gas or oil furnace that is less than 90%
efficient.
6 Electric furnace: Use this setting if you have any type
of electric heating system.
3 Hot water or high-efficiency furnace: Use this
setting if you have a hot water system or a gas furnace
of greater than 90% efficiency.
2 Gas/oil steam or gravity system: Use this setting if
you have a steam or gravity heat system.
Press to
change
setting.
When finished,
press s and t
to advance to the
next function.
M33591
AND
OR
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