SETTING UP YOUR THERMOSTAT OPTIONS
The Thermostat has comfort and performance options that can be selected and ad- justed. These options are in the Thermostat Options Configuration Menu. On the Home Screen Display, touch the Menu key to display additional key choices.
NOTE:
When in the Thermostat Options Configuration Menu, holding the Installer Config key for 3 seconds again will change the display to the Advanced Installer Configuration Menu which is used by your contractor. To exit this menu and return to the Thermostat Options Configuration Menu, press the Menu key, or press Run Schedule to return to the Home Screen Display.
USING YOUR THERMOSTAT
System Operation
Touch the SYSTEM key to select the thermostat operating mode desired. When the system is calling for first stage heat or cool, “Low” will display on the touchscreen. When second stage is re- quired, the display will show “High”. The setpoint temperature can be changed by touching the 
or keys.
•Select air filter maintenance re- minder. Scrolling message will show
“AIR FILTER MAINTENANCE”. Default is OFF. It can be changed to a setting from 25 to 1975 hours in increments of 25 hours to select the amount of time for the reminder. Consult your contractors for the hours and type of filter. Setting of 225 hours is typically 3 months of run time.
When the system has run for the selected length of time, the scrolling message area will show “CHANGE FILTER” to indicate maintenance is required.
•Select UV lamp maintenance re- minder. Scrolling message will show “UV LAMP MAINTENANCE”. Default is OFF. It can be changed to a setting from 25 to 1975 days in increments of 25 days to select the amount of time for the reminder. Setting of 350 days is an annual reminder.
Based on this setting, the scrolling message area will show “CHANGE UV LAMP” to indicate maintenance is required.
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Auxiliary Heating
Heat Pump Only
The system automatically activates Auxiliary Heating when the outside tem- perature is too cold for the heat pump to efficiently heat the home. When Auxiliary Heating is called for, the display will show
“Auxiliary Heat”.
Emergency Heating
Heat Pump Only
Heat pump malfunction is rare, but should it happen, Emergency Heat can be manually activated by touching the SYSTEM key to Em. This will start the electric or fossil fuel system to provide heat. The display will show “Auxiliary Heat”.
Temporary Temperature Hold
You can temporarily adjust the tem- perature in your home at any time while your thermostat is running a program by touching either 
or 
keys. The dis- play will indicate “Temporary Hold At” to the left of the setpoint temperature. To cancel the temporary setting before the next period begins, touch Run Schedule to return to the program.
Example: If you turn up the heat during the Morning program, it will remain at the new temperature until the time for the next program period (Day program).
USAGE GUIDE
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