JOHNSON CONTROLS
120
FORM 155.31-ICOM2.EN.UL
ISSUE DATE: 12/21/2018
SECTION 6 – OPERATION
LD20081
FIGURE 48 - ALARM HISTORY SCREEN
LD20081
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.
ALARM HISTORY SCREEN
Ope. Freq.: how many times the chiller has started us-
ing the OPER. button or the remote start signal.
Fail. Freq.: how many times the chiller has had a fail-
ure alarm.
Alarm Freq.: how many times an alarm has been trig-
gered for the chiller.
Purge Freq.: how many times a purge has been per-
formed 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.
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