Alarm activation history screen
Figure 64: Alarm history screen
View the Alarm History screen after you press the Alarm button in the History Menu section of the
screen.
The Alarm History screen shows alarm information for the last alarm and up to six previous alarms.
The alarm section contains the following fields of information:
Alarm Name: Name or type of alarm
Measured Date and Time: Date and time of the alarm
Operation: Operation status of the chiller
Ope. Method: Selected operation method
Sol. Pump: Operation status of the solution pump
Ref. Pump: Operation status of the refrigerant pump
Ope. Hours: Total operation hours
Ope. Freq.: How many times the chiller has started using the OPER. button or the remote start
signal
Fail. Freq.: How many times the chiller has had a failure alarm
Alarm Freq.: How many times an alarm has been triggered for the chiller
Purge Freq.: How many times a purge has been performed automatically
The Chilled water section of the screen shows you the following information:
In Temp.: Temperature of the chilled water measured as it enters the evaporator
Out Temp.: Temperature of the chilled water measured as it leaves the evaporator
The Cooling Water section shows the following information:
In Temp.: Temperature of the cooling water measured as it enters the absorber.
131YHAU-C Single Effect Steam-Fired Absorption Chiller
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