Figure 46 - Operation History Screen By Minutes - York YHAU-CW Manual

SECTION 6 – OPERATION
MINUTELY OPERATION HISTORY SCREEN

FIGURE 46 - OPERATION HISTORY SCREEN BY MINUTES

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.
116
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
LD20080_UL
JOHNSON CONTROLS