JOHNSON CONTROLS
103
SECTION 6 – OPERATION
FORM 155.32-ICOM1.EN.GB
ISSUE DATE: 10/13/2017
6
MINUTELY OPERATION HISTORY SCREEN
LD20280
FIGURE 38 -
MINUTELY OPERATION HISTORY
LD20280
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-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
Operation Mode:
selected operation mode (cooling
or heating)
Combustion:
status of the combustion (ON or OFF)
Operation Hours:
how many hours the chiller-heater
has been running
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 automat-
ic purge has been performed
The Chilled/Hot water section of the screen shows you
the following information:
Inlet Temperature:
temperature of the chilled/hot wa-
ter measured as it enters the evaporator.
Outlet Temp.:
temperature of the chilled/hot water
measured as it leaves the evaporator.
The Cooling Water section shows you:
Inlet Temperature:
temperature of the cooling water
measured as it enters the absorber.
