Programming instructions

84
Variable heating stages
Programming variable heating stages means programming the following settings. For more
information, read Programming variable stages on page 46.
Information
Name Address
Building Type
Setting VAR 1 VAR 2 VAR 3 VAR 4 Description
Minimum
output 
 The output the heater is at when the temperature is
between the heat cutoff and set point temperatures
Heat cutoff

 The heater is at minimum output when the
temperature is between this value and the set point.
 The heater is off when the temperature is above this
value.
Set point

 The heater is at minimum output when the
temperature is between this value and the heat cutoff.
 Heater output increases when the temperature is
between this value and the differential temperature.
Differential

 The heater is at full output when the temperature is at
or below this value.
 Temperature in °F/°C, range: 14.0 to 122.0°F, –10.0 to 50.0°C
 Idle speed in %; range: 0 to 100 %