About Your New Thermostat - Honeywell RTH2300 Owner's Manual

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.
Description
Function Press the s or t button to
5 select your heating system and
optimize its operation
14 select Fahrenheit or Celsius
temperature display
15* select Compressor Protection
settings
20 select clock display
40 restore program schedule to
(RTH2300 default settings
only)
* 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 screen.

About your new thermostat

Your new Honeywell thermostat has been designed to give you many years of
reliable service and easy-to-use, push-button climate control.
Backlit display on RTH2300
•
Displays ambient (measured) temperature at all times
•
One-touch access to setpoint temperature
•
Preset program settings
•
Temporary and permanent override of schedule
•
Built-in compressor protection
•
Setting
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 pump, 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.
0 Fahrenheit temperature display (°F)
1 Celsius temperature display (°C)
1 On
0 Off
0 12-hour display
1 24-hour display
0 Off
1 On: Program schedule default settings are listed on
page 11.
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