Instructions / Assembly

7
W/E
W2
Y
Y2
G
O/B
HM
DHM


indicate the selections of the Comfort Interface. The following
tables show the LED indications if LED indications are turned on.
Remove Equipment Control Module cover and press the LED switch

Conventional Pump
Gas or Elect Gas or Elect
Amber Amber W/E
Amber Amber
W2
Amber Green Y
Amber Green
Y2
Amber Green G
Amber Green O/B
RH DRY
Green Amber HM
RH DRY
Green Amber DHM
= Amber
= Green
 
LED Indicator legend:


W/E – 1st Stage Heating or Auxiliary
W2 – 2nd Stage Heating or Auxiliary
Y – 1st Stage Cooling
Y2 – 2nd Stage Cooling
G – Fan
 
 
CHECK SYSTEM OPERATION
NOTE

        


Apply power to Equipment Control Module.
Fan Operation
If your system does not have a G terminal connection, skip to
section.
1. Press FAN button. Blower should turn on.
2. Press FAN button. The blower should stop immediately.
3. “
” indicates fan is in auto mode.

1. Press Heat or A/C button to heat or cool. Run temperature
1
o
above or below room temperature. The heating or cooling
system should start.
2. For staging systems, run temperature 3
o
above or below room
temperature. Heat or Cool - LED display will be indicated on
equipment control.
3. Run temperature to below or above room temperature. The


1. 

#7 and 8.

Your Comfort Interface is designed to determine the optimum
time to activate the second stage. Simply raising the temperature
in heating or lowering it in cooling will not always force the
Comfort Interface to bring the second stage on quickly. There is a


EXAMPLE: For the last 2 hours the Comfort Interface is set on 70
o
and the room temperature is 70
o
with the equipment using only the

within 1
o
of setpoint, the Comfort Interface will delay the second
stage for a longer time if you manually raise the temperature or
if the room temperature quickly changes. Once the second stage

     
     
making temperature the second stage will delay longer. When
        
temperature in a reasonable time, the second stage will come on
sooner. This built in function automatically optimizes the use of
additional stages of heat or cool.