This thermostat works on 24 volt or 750 mV systems. It will NOT work on multistage conventional systems.
Advanced Installation
Enter System Setup
To enter the system setup, press and hold both the and buttons until the display
changes (approximately 5 seconds).
Changing Settings
1. Press the or button to change the setting.
2. Press the and buttons simultaneously for one second to advance to the next function.
3. Press the RUN button to exit and save settings.
NOTE: If you do not press any button for 60 seconds while you are in the setup menu, the thermostat automatically saves any changes made and exits the menu.
Function
Description Press the or button to
Setting
5 select your heating system and optimize its operation
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 Heat pumps, 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.
14 select Fahrenheit or Celsius temperature display
0 Fahrenheit temperature display (°F)
1 Celsius temperature display (°C)
15* select Compressor Protection settings
1 On
0 Off
20 select clock display
0 12-hour display
1 24-hour display
40 (RTH2300 only) restore program schedule to default settings
0 Off
1 On Program schedule default settings is listed on
page 11.
* Compressor Protection: This feature forces the compressor to wait approximately 5 minutes before restarting, to prevent equipment damage. During the wait time,
the message “Cool On” or “Heat On” is displayed on the screen.
About your new thermostat
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