applications start earlier because it takes longer to reach the desired temperature. This feature also minimizes the use of the auxiliary stages if conditions are such that the compressor stages are adequate to reach the desired setpoint.
To select or deselect this feature, refer to the CONFIGURATION section (page 24, item 2).
Fahrenheit or Celsius Tem- perature Display.
(User menu, Item 3) This thermo- stat is factory set to display temperature in Fahrenheit. If you prefer, you may configure the thermostat to display Celsius. See the CONFIGURATION section (page 24, item 3).
Single Period Fan Control.
(User menu, Item 4) This feature allows you to have the fan run for a predetermined period of time by pressing the FAN key twice within
1.5seconds. If a time is set in the User menu (page 24, item 4) the display will show FAN, # hrs and PRG FAN ON for six seconds. After six seconds the display will continue to indicate PRG FAN ON for the time period selected. After this time period, the fan will return to normal operation. To return the fan to normal operation before the end of the time period, press the FAN key.
Heat Fast.
(User menu, Item 6) This feature, when set to ON, will bring the second stage of heating on any time
31
you manually raise the temperature three or more degrees above room temperature. If Heat Fast is set to OFF, the thermostat will delay the second stage from 0 to 30 minutes based on how well the first stage is keeping up with your setting.
Cool Fast.
(User menu, Item 7) This feature, when set to ON, will bring the second stage of cooling on any time you manually lower the temperature three or more degrees below room temperature. If Cool Fast is set to OFF, the thermostat will delay the second stage from 0 to 30 minutes based on how well the first stage is keeping up with your setting.
