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Operation screen
With this screen you can select remote operation/local operation for
running and stopping the unit. In case of models with 2 temperature
setting option, selection of the operation mode during on the unit
operation, is also available.
Standard model
1
With the touch of this button you shift to the menu screen.
2
When you want to perform ON-OFF of the unit by means of an
external signal, select this button in advance.
3
When you want to perform ON-OFF of the unit by means of
operation and stop buttons on the door of the switch box, select
this button.
Models with 2-temperature setting option
1
When "LOCAL" is selected, select the operation mode with these
buttons. (Buttons are disabled when "REMOTE" is selected.)
NOTE
For both the standard model and the 2-temperature
setting model
If you stop the unit with the stop button on the door of
the switch box during Run/Stop of the unit by means of
an external signal, the operation mode switches from
"REMOTE" to "LOCAL" automatically. If you want to
continue Run/Stop by means of an external signal, you
need to select "REMOTE" again on this screen.
Installation and operation manual
14
1
2
3
1
1
Measurement screen
This screen indicates various operation data of the unit.
Indications appear, whether the unit is running or has stopped.
"MEASUREMENT" screen (1/2)
"MEASUREMENT" screen (2/2)
Compressor operating time and ON-OFF count of
the compressor is indicated individually for No. 1
(Left) and No. 2 (Right).
NOTE
The items in the figure with "1" at the end of the
left column is data for the left compressor.
The items in the figure with "2" at the end of the
left column is data for the right compressor.
Settings screen
Through this screen you can make various settings including the
chilled water outlet target temperature.
Standard model "SETTING" screen (1/2)
1
Set the target value of the chilled water outlet temperature.
2
Make settings related to the low load stop.
3
Make setting of the remaining operating time of the pump.
The setting value shall be 360 seconds or more.
4
Make setting of the current demand control.
1
2
3
4
EWWD440~850AAYNNO**
Packaged water-cooled water chillers
4PW25558-1B
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