Alarm history screen
Figure 62: 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-heater
Operation Method:
Selected operation method
Solution Pump:
Operation status of the solution pump
Refrigerant Pump:
Operation status of the refrigerant pump
Burner Fan:
Operation status of the burner fan
Combustion:
Status of the combustion (ON or OFF)
Operation Hours:
Total operation hours
Operation Freq.:
How many times the chiller-heater has started using the
OPER.
button or a
remote start signal
Failure Frequency:
How many times the chiller-heater has had a failure alarm
Alarm Frequency:
How many times an alarm has been triggered for the chiller-heater
Auto Purge Frequency:
How many times an automatic purge has been performed
The Chilled/Hot water section of the screen displays the following information:
Inlet Temperature:
Temperature of the hot or chilled water measured as it enters the evaporator
Model YHAU-CGN/H-CXR(M)Double Effect Direct Fired Small Absorption Chiller-Heater
120
