Setup - Relays
Setting Range
Default
EQUIPMENT
Select the number of stages of the heating and cooling
equipment.
1 Heat/1 Cool,
2 Heat/1 Cool
1Heat/1
Cool
RADIANT FLOOR HEATING
Select if the first stage W1 heats a radiant floor.
No,
Yes
No
W2 DIFFERENTIAL
Select when the second stage W2 heating turns on.
Turn on point is the heat to minus the differential.
2 to 10°F
1.0 to 5.5°C
2
°
F
1.0
°
C
W2 DELAY
Select the time delay when the second stage W2
heating turns on. The time starts counting after the W1
relay is turned on.
0 to 180
minutes
1
minute
Y MIN RUN TIME
Select the minimum time the cooling compressor must
run before shutting off. This helps prevent compressor
failure.
0:30 to 10:00
minutes
2:00
minutes
Y MIN OFF TIME
Select the minimum time the cooling compressor
must be off before turning back on. This helps prevent
compressor failure.
0:30 to 10:00
minutes
5:00
minutes
Screen Page 2
FAN RELAY
Select which relays require fan operation.
Combinations with W1 are not available when Radiant
Floor Heating is set to yes.
G only,
With Y
With Y and W1,
With Y and W2,
With Y, W1 and W2
G only
HEAT-COOL TIME INTERLOCK
When operating in Mode Auto, select the amount of time
to wait between switching from heating to cooling and
vice versa.
0 to 180
minutes
10
minutes
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