Rev.01 03-27-17
Page 47 of 71
Compu-Aire
7.5
HVAC
HVAC provides options to fine tune controlled PID loop for: Evap fan, DX, Heat, Humidity,
Dehumidification, Chilled water, Economizer, Assist, Hot gas bypass, and condenser outputs.
Default values are shown below:
Control By
Input sensor
Type
Control type for PID, P
Dband
Deadband
Delay
Delay time in second before the output takes place
Bump
Output bump control
Set
Current setpoint
Kp
K proportional gain
Ti
Interval time
Td
Derivative time
Cycle
Cycle time in second
Figure 33. Evap PID tuning
Figure 34. DX compressor PID tuning
Figure 35. Heat PID tuning
Figure 36. Humidity PID tuning
