Screw Compressor Central Chiller
Chapter 4: Operation
54
3.
ON LINE
– Pump is currently running. The color code for this indication is green.
4.
FAULT
– A safety on the pump indicates a fault condition and the pump has been
deactivated. Once the problem is remedied, the pump will return to a READY state
unless it is put in the OFFLINE state. The color code for this indication is
red
.
Viewing Active Alarms and Alarm History Screens
These two screens let you view any active alarm conditions as well as the alarm history for
the entire history. The list of system alarms that are tracked are as follows:
x
Chilled Water High Temperature Alarm
x
Chilled Water Low Temperature Alarm
x
Compressor Motor Protector Fault (One for each compressor)
x
Chilled Water Circuit Low Flow (One per chilled water circuit)
x
Chilled Water Circuit Freezestat (One per chilled water circuit)
x
Chilled Water Circuit High Pressure (One per chilled water circuit)
x
Chilled Water Circuit Low Pressure (One per chilled water circuit)
x
Pump motor overload (One per system pump)
If an alarm condition occurs the follow screen is displayed:
Figure 7: Alarm Condition Screen
