Installation and operation manual
12
EWWD440~850AAYNNO**
Packaged water-cooled water chillers
4PW25558-1B
O
PERATING
THE
GRAPHIC
PANEL
DISPLAY
This chapter explains the graphic panel display and how to change various settings.
■
Screen structure
Power-up
Opening
screen
Menu screen
Operation
screen
Measurement
screen 1/2
Settings screen
1/2
Settings screen
2/2
From all
screens
Backlight
desacti
automatic display
shut off
To screen before
backlight
desactivation
From all
screens
Backlight goes out (if no operation is
performed during 30 minutes.)
In case of errors
History screen
Predictive
maintenance
history
Alarm screen
Alarm screen
Alarm history
Menu screen
Operational data
history in case of
unit errors 1/2
Operational data history
of last 6 minutes per
minute 1/2
I/O monitor 1/6
I/O monitor 2/6
I/O monitor 6/6
To screen for service man
Measurement
screen 2/2
Operational data
history in case of
unit errors 2/2
Operational data history
of last 6 minutes per
minute 2/2
Direct button operation while touching
,
, and
buttons.
Touching the panel will display the reset screen after shut-off of the touch panel, enabling you to return to the last screen before backlight
desactivation.
Interrupted display (after alarm)
Menu