2. When the (FA)st heating cycle rate is selected in the configuration
menu, (see configuration menu item 2), the thermostat will call for heat at
0.5ºF (0.5ºC) below set-point, and turn off at set point. When the (SL)ow
heating cycle rate is selected, the thermostat will call for heat at 1.5ºF (1.5ºC)
below set-point, and turn off at set-point. When the thermostat calls for heat,
the display will show Heat On. If the Heat On display is flashing, the
compressor lockout feature is operating in the heat pump mode. (Note: See
Configuration menu item 8).
Cooling System
CAUTION!: To prevent compressor and/or property damage, if the outdoor
temperature is below 50ºF (10ºC), DO NOT operate the cooling system.
1. Move the SYSTEM switch to the COOL position.