Screw Compressor Central Chiller
Chapter 4: Operation
51
Viewing Compressor Status
Staging
1.
The system uses a PID control algorithm to regulate the chilled water temperature.
As the required control effort increases or decreases, the system compressors are
loaded and unloaded or turned on/off to keep the temperature at the specified set-
point.
2.
Compressor anti-recycle time is two (2) minutes.
To view the status of the chiller compressors, start at the Main Menu screen, then:
1.
Press the Up or Down buttons on the right side of the screen to highlight “
Chilled
Water System Status
”
2.
Press
The chiller status screen displays:
Figure 5: Chilled Water System Status Screen
The Chiller Status screen shows the status for compressors within the system. Only
compressors that are included in the system will be shown on this screen. Compressors will
display one of the following states:
