Advanced Installation - Honeywell RTH2300B1038/E1 Owner's Manual

11 If your system type is...
If your system type is:
q Single Stage Heat and Cool
q Heat Only or Cool Only
Congratulations, you're done!
If your system type is:
q Heat pump
q High efficiency furnace
q Hot water
Continue with Advanced Installation to match your thermostat to your system
type.
This thermostat works on 24 volt or 750 mV systems. It will NOT work on multi-
stage conventional systems.

Advanced Installation

Enter System Setup
To enter system setup, press and hold both
the s and t buttons until the display
changes (approximately 5 seconds).
Changing Settings
1. Press the s or t button to change
the setting.
2. Press the s and t buttons
simultaneously for one second to
advance to the next function.
3. Press the RUN button to exit and save
settings.
q Electric furnace
q Gas/oil steam
q Gravity system
Set
Hold
Run
Heat Off Cool
Heat Off Cool
Set
Hold
Run
8
Fan
Fan
Auto On
Auto On
5
Function
Setting
M33785
5
M33786