Page 30
6.6. Compressor and Humiditrol Operation
Table 22. 2-Compressor Humiditrol Default Operation (Using 2-Stage Wired Thermostat)
Demands Condition Unit Operation
Free Air
Damper
(Economizer)
Reheat
Valve 1
Thermostat
Humidity
Sensor
Trigger OAS
Compressor Blower Speeds
1 2 Vent
Cool
C1
Cool
C2
Heat
G Unoccupied OFF OFF X Closed OFF
G Occupied OFF OFF X Minimum OFF
Y1 Suitable OFF OFF X
Modulate up to
Maximum
OFF
Y2 Suitable OFF OFF X
Modulate up to
Maximum
OFF
Y2
Damper position
and maximum
position and time
expired.
Suitable ON OFF X Maximum Open OFF
Y1 Not Suitable ON OFF X Minimum OFF
Y2 Not Suitable ON ON X Minimum OFF
Dehum ON OFF X Minimum ON
Y1 Dehum ON ON X Minimum ON
Y2 Dehum ON ON X Minimum OFF
W OFF OFF X Minimum OFF
Table 23. 2-Compressor Humiditrol Default Operation (using 3Stage Thermostat DDC with Zone Sensor)
Demands Condition Unit Operation
Free Air
Damper
(Economizer)
Reheat
Valve 1
Thermostat
Humidity
Sensor
OAS
Compressor Blower Speeds
1 2 Vent
Cool
C1
Cool
C2
Heat
G Unoccupied OFF OFF X Closed OFF
G Occupied OFF OFF X Minimum OFF
Y1 Suitable OFF OFF X
Modulate up to
Maximum
OFF
Y2 Suitable OFF OFF X
Modulate up to
Maximum
OFF
Y2
Damper position
and maximum
position and time
expired.
Suitable ON OFF X Maximum Open OFF
Y3 Suitable ON ON X Maximum Open OFF
Y1 Not Suitable ON OFF X Minimum OFF
Y2 Not Suitable ON ON X Minimum OFF
Y3 Not Suitable ON ON X Minimum OFF
Dehum ON OFF X Minimum ON
Y1 Dehum ON ON X Minimum ON
Y2 Dehum ON ON X Minimum OFF
Y3 Dehum ON ON X Minimum OFF
W OFF OFF X Minimum OFF