JOHNSON CONTROLS
116
FORM 155.31-ICOM2.EN.UL
ISSUE DATE: 12/21/2018
SECTION 6 – OPERATION
MINUTELY OPERATION HISTORY SCREEN
FIGURE 46 -
OPERATION HISTORY SCREEN BY MINUTES
LD20080_UL
To view the Minutely Operation History screen, press
the
Minutely Operation
button in the History Menu
section of the Data screen.
The Minutely Operation History screen shows opera-
tional information for the last 12 minutes and contains
the following fields of information:
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:
how many hours the chiller has been run-
ning.
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.
