-
Off: Turn everything off. The Cooling Percent Cmd is set to 0%.
-
Max: Open the cooling valve. The Cooling Percent Cmd is set to 100%.
-
Hold: Hold the outputs at their current position.
-
Water Flush: The valve is opened to the Water Flush Position.
-
Limited Max: The valve is opened to the Limited Max Value. This state may be used for unoccupied cooling.
-
T Control: Adjust the cooling valve to control the Process Variable. If the Process Variable is reliable, the module controls the output in order to maintain the Process Variable Setpoint. The Cooling Percent Cmd is adjusted between 0% and 100%.
-
H Control: Adjust the cooling valve to control the humidity. If the humidity is reliable, the module controls the output to maintain the humidity at the dehumidification setpoint. The Cooling Percent Cmd is adjusted between 0% and 100%.
-
Low OA Temperature: The valve is opened to the Low OA Temperature Position when the OA Temperature is less than the Low OA Temperature Setpoint.
-
Failsoft: The valve is opened to the Fail Soft Position. This state may be used when the process variable is unreliable.
|
OA Temperature is Reliable |
PID Tuning Reset |
Mode |
State |
|---|---|---|---|
|
* |
* |
Off |
Off |
|
Max |
Max |
||
|
T Control |
T Control |
||
|
H Control |
H Control |
||
|
Reset 1st PID |
Hold |
T Control |
|
|
Reset 2nd PID |
Hold |
T Control |
|
|
* |
Hold |
Hold |
|
|
TRUE |
Low OA Temperature |
Low OA Temperature |
|
|
FALSE |
Low OA Temperature |
Limited Max |
|
|
* |
Water Flush |
Water Flush |
|
|
Limited Max |
Limited Max |