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SSC Series Central Chilling Stations Page 53 of 86
Two hourmeters are kept for each compressor in the system. The
first is a lifetime meter. This measures the total time that the pump
has been operational in the lifetime of the chiller. The second is a
resettable hourmeter. This hourmeter can be cleared to monitor
run time on specific intervals. In order to clear the resettable
hourmeter, press the F1 button (as prompted on the screen)
7-6 Viewing Active Alarms and Handling Alarm
Conditions
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:
n Chilled Water High Temperature Alarm
n Chilled Water Low Temperature Alarm
n Compressor Motor Protector Fault (One for each compressor)
n Chilled Water Circuit Low Flow (One per chilled water circuit)
n Chilled Water Circuit Freezestat (One per chilled water circuit)
n Chilled Water Circuit High Pressure (One per chilled water
circuit)
n Chilled Water Circuit Low Pressure (One per chilled water
circuit)
n Pump motor overload (One per system pump)
If an alarm conditions occurs the follow screen is displayed:
Alarm Condition Screen