40
Table 29. 4-Compressor Humiditrol Default Operation (using 2stage Thermostat)
Demands
Condition
Unit Operation
Free Air Damper
(Economizer)
Reheat
V
alve 1
Reheat
V
alve 2
Thermostat
Humidity
Sensor
Trigger
OAS
Compressor
Blower Speeds
Vent
Cool
C1
Cool
C2
Cool
C3
Cool
C4
Heat
1
2
3
4
G
Unoccupied
OFF OFF OFF OFF
X
Closed
OFF
OFF
G
Occupied
OFF OFF OFF OFF
X
Minimum
OFF
OFF
Y1
Damper position
Suitable
OFF OFF OFF OFF
X
Modulate up to
Maximum
OFF
OFF
Y2
Damper position
Suitable
OFF OFF OFF OFF
X
Modulate up to
Maximum
OFF
OFF
Y2
Damper position
and maximum
position and
time.
Suitable
ON
ON
OFF OFF
X
Maximum
OFF
OFF
Y1
Not
Suitable
ON
ON
OFF OFF
X
Minimum
OFF
OFF
Y2
Not
Suitable
ON
ON
ON
ON
X
Minimum
OFF
OFF
Dehum
ON
ON
OFF OFF
X
Minimum
ON
ON
Y1
Dehum
ON
ON
ON
ON
X
Minimum
ON
ON
Y2
Dehum
ON
ON
ON
ON
X
Minimum
OFF
OFF
W
OFF OFF OFF OFF
X
Minimum
OFF
OFF
