Hourly operation history screen
Figure 61: Hourly operation history screen
To view the Hourly Operation History screen, press the
Hourly Operation
button in the History
Menu screen section of the Data screen.
The Hourly Operation History screen shows operational information for the last 12 hours and
contains the following fields of information:
The heading of the screen includes the X time ago and the Measured Date and Time. Buttons are
available to select measurements for up to 12 times ago, to comprise the 12 hour period.
The following information displays:
Operation:
Operation status of the chiller
Ope. Method:
Selected operation method (local or remote)
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 operating
Ope. Frequency:
How many times the chiller has started using the
OPER.
button or the remote
start signal
Fail. Freq.:
How many times the chiller has had a failure alarm
Alarm Freq.:
How many times an alarm has been triggered for the chiller
Purge Freq.:
How many times a purge has been performed 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 the following information:
125
YHAU-C Single Effect Steam-Fired Absorption Chiller
Summary of Contents for York YHAU-C
Page 2: ......
Page 33: ...Figure 11 Location of rupture disk 31 YHAU C Single Effect Steam Fired Absorption Chiller...
Page 103: ...Figure 49 Cooling start diagram 101 YHAU C Single Effect Steam Fired Absorption Chiller...
Page 104: ...Figure 50 Cooling stop diagram YHAU C Single Effect Steam Fired Absorption Chiller 102...
Page 166: ...Figure 73 Steam and drain system YHAU C Single Effect Steam Fired Absorption Chiller 164...
Page 167: ...Figure 74 Duhring diagram PTX chart F 165 YHAU C Single Effect Steam Fired Absorption Chiller...
Page 168: ...Figure 75 Duhring diagram PTX chart C YHAU C Single Effect Steam Fired Absorption Chiller 166...
