Figure 47 - Failure History Screen - York YHAU-CW Manual

SECTION 6 – OPERATION

FIGURE 47 - 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 failur.e
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.
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FAILURE HISTORY SCREEN
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.
FORM 155.31-ICOM2.EN.UL
ISSUE DATE: 12/21/2018
LD20076a
LD20076_UL
JOHNSON CONTROLS