The Controller Settings screen displays the control setpoints for each major system component.

You can set the following configuration options:

•PI settings temperature

•PI settings pressure

You must select Save to store the parameter changes in the system configuration file. If you do not save your changes, the old parameters stored in the configuration file reload when the system starts.

Item

Description

 

 

Temperature setpoint (hot

Sets the temperature setpoint for the hot aisle

aisle)

 

Pressure setpoint

Sets the pressure setpoint

PI parameter P

Proportion gains influence the rate of change in the position of the flow control

 

valve or the fan speed in order to reach the pre-determined setpoints

 

 

PI parameter I

Integral gains influence the rate of change in the position of the flow control valve

 

or the fan speed in order to reach the pre-determined setpoints.

PI integration time

Used by the low pass filter to even the measurement values out

 

 

Environmental control system 56