JOHNSON CONTROLS
114
FORM 155.30-ICOM2.EN.UL
ISSUE DATE: 12/21/2018
SECTION 6 – OPERATION
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.
The Cooling Water section shows you:
In Temp.:
temperature of the cooling water measured
as it enters the absorber.
Out Temp.:
temperature of the cooling water mea-
sured as it leaves the condenser.
Ref. Temp.:
temperature of the refrigerant in the evap-
orator.
Abs. Temp.:
temperature of the diluted solution in the
absorber.
MINUTELY OPERATION HISTORY SCREEN
LD20033_UL
FIGURE 53 -
MINUTELY OPERATION HISTORY SCREEN
