6
1 Press and hold Menu (center) for
approximately 3 seconds to enter menu.
2 Press Edit ( ) to change values within a
setup option.
3 Press Next ( ) to advance to the next setup
option.
4 Press Done to Save and return to the main
menu screen.
NOTE: To keep the factory default settings,
press to advance through the setup options.
Once you pass the last option, the thermostat
will automatically save and return you to the
main menu.
NOTE: A complete list of all setup (ISU)
parameters and options starts below and
continues through page 7.
Installer setup (ISU)
Installer setup options (ISU)
NOTE: Depending on system settings, not all options may be available.
# ISU ISU Name ISU Options (factory default in bold)
125 Temperature Indication Scale
0 = Fahrenheit
1 = Celsius
200 Heating System Type
1 = Conventional Forced Air Heat
2 = Heat Pump (TH1110D only)
3 = Radiant Heat
5 = None (Cool Only)
Note: This option selects the basic system type your thermostat will
control.
205 Heating Equipment Type Conventional Forced Air Heat:
1 = Standard Efficiency Gas Forced Air
2 = High Efficiency Gas Forced Air
3 = Oil Forced Air
4 = Electric Forced Air
5 = Hot Water Fan Coil
Heat Pump:
7 = Air to Air Heat Pump
8 = Geothermal Heat Pump
Radiant Heat:
9 = Hot Water Radiant Heat
12 = Steam
Note: This option selects the equipment type your thermostat will control.
Note: This feature is NOT displayed if feature 200 is set to Cool Only.
218 Reversing Valve O/B
0 = O (O/B in Cool)
1 = B (O/B in Heat)
Note: This option is only displayed if the Heat Pump configured. Select
whether reversing valve O/B should energize in cool or in heat.
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