From the Contractor Menu, highlight Set Up and press OK.
Press s or t to highlight the setting and press OK. Continue until all settings
have been configured.
When all settings are configured, you will be prompted to save changes.
Highlight Yes and press OK to save and exit. To exit setup early by pressing
t to highlight EXIT and press OK.
ISU # Description
0 = Fahrenheit
1 = Celsius
1 = Conventional forced air heat
2 = Heat pump
3 = Radiant heat
5 = None (cool only)
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
7 = Air to air heat pump
8 = Geothermal heat pump
9 = Hot water radiant heat
12 = Steam