ORIENTATION
THE THERMOSTAT BUTTONS
See inside front cover for illustration showing button locations.
1(Blue arrow) Lowers temperature setting (45°F or 7°C minimum)
2(Red arrow) Raises temperature setting (99°F or 37°C maximum)
3The
green for 1st stage, yellow for 2nd stage, flashing yellow for 3rd stage, red for emergency heat and flashing red for malfunction condition in system.
4This button (on top of the cover) lights the display.
5Used to initiate or review
thermostat programming or advance to next program period in programming mode.
6Used with TIME FWD /TIME
BACK to set the clock.
7Used to adjust the time backward, or to select the previous menu item.
8Used to adjust the time forward, or to select the next menu item.
9Used with TIME FWD /TIME
BACK to set the current day.
10Used to advance operation to the
next program period or advance to the next day in programming mode.
11Used to manually override
programming to hold at a selected temperature.
12Used to view ambient humidity or modify humidity setting.
13Selects fan operation (see The
Display page 3). This button is also used to program the fan to run continuously during a program period.
14Used to enter the service menu to
change or reset humidifier, air filter, UV bulb, and service timers.
15Sets the system mode (HEATing,
EMERgency (Heat Pump models only), OFF, COOLing, or AUTOmatic changeover).
16Used to adjust the clock one hour forward or back.
17Used to start or return to program operation.
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