Figure 39 - Failure History Screen - York EX Series Installation, Operation & Maintenance Instructions Manual

FORM 155.32-ICOM1.EN.GB
ISSUE DATE: 10/13/2017

FIGURE 39 - FAILURE HISTORY SCREEN

You move to the Failure History screen after you press
the Failure button in the History Menu screen section.
The Failure History screen shows failure information
for the last failure and up to six previous failures. The
Failure section contains the following fields of infor-
mation:
Failure Name: name or type of failure
Measured Date and Time: date and time of the failure
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
Combustion: status of the combustion (ON or OFF)
Operation Hours: total operation hours
JOHNSON CONTROLS
FAILURE HISTORY SCREEN
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.
SECTION 6 – OPERATION
LD20941
105
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