JOHNSON CONTROLS
118
FORM 155.30-ICOM2.EN.UL
ISSUE DATE: 12/21/2018
SECTION 6 – OPERATION
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 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
ALARM ACTIVATION HISTORY SCREEN
LD20035_UL
FIGURE 55 -
ALARM HISTORY SCREEN
