Owner`s manual
OPERATION — PAGE 23WILLIS POWER SYSTEMS
Setting the Temperature
Press one of the arrow buttons until the desired temperature is dis-
played.
Backlight
The display illuminates for 12 seconds when the backlight button or
either of the arrow buttons is pressed.
Manual/Permanent Hold Mode
This mode maintains the temperature at a xed set point. To place
the thermostat in this mode, press [Mode]. The house icon will dis-
appear.
Programmable Mode
This mode maintains the temperature according to the energy-saving
schedule. To place the thermostat in this mode, press [Mode]. The
current period will be displayed.
Temporary Bypass
If you modify the set point (using the arrow buttons) when the ther-
mostat is in programmable mode, the thermostat will use the new
set point for the next 2 hours.
The house icon ashed during the bypass. Afterwards, the thermo-
stat will return to the temperature setting of the period currently
underway.
Conguration Menu
1. To access the conguration menu, press the backlight button
for 3 seconds.
2. To go to the next parameter (menu item), briey press the
backlight button.
3. To modify the parameter, press the up or down arrow but-
tons.
4. Repeat steps 2 and 3 if necessary.
5. Press the backlight button for 3 seconds to exit the congu-
ration menu.