5: WS Controller™
3000PB, 3700B, 4500B, 3000PVB, 3700VB, 4500VB User Manual
02250216-786 R01
52
Subject to EAR, ECCN EAR99 and related export control restrictions.
5.3
LCD display
The display’s normal view shows the compressor pack-
age's discharge pressure, internal temperature, and the
operating mode. The modes are MANUAL, OFF, AUTO-
MATIC, or FAULTED.
. The lower line is
occasionally interrupted to describe the compressor
package’s operating state.
Refer to
. If a machine fault occurs, the red
Fault indicator
will light up, and the display will indi-
cate that a fault has occurred.
. The lower line periodically will dis-
play the cause of the fault. Refer to service instructions to
correct the cause. Press the
(Stop) pad to reset the
controller.
Refer to
. Press the
(Down arrow) pad to
display additional information about the compressor. The
upper line will indicate
Compressor Status
and the
name of the temperature, pressure, or other measure-
ment. The lower line indicates the present reading.
. When you continue beyond the sta-
tus information, the display will show a list of control set-
tings. The upper line will indicate
Show Setting
and the
name of the setting. The lower line shows the present
value.
Refer to
. To change the setting, press the
(Enter) pad. The display indicates that you are in a
change mode with reverse characters. Use the
(Up
arrow) and
(Down arrow) pads to change the set-
ting, and press the
(Enter) pad again to save the
new setting.
Refer to
. If there is no keypad activity, the dis-
play will return to normal view in about one minute. If the
(Start) or
(Stop) pads are pressed, the display
also returns to normal view. If either of these occur, the
setting will not be altered.
If there are any warnings or recommended service
instructions, these will be periodically displayed on the
normal view.
Figure 5-2:
Figure 5-3:
Figure 5-4:
Figure 5-5:
Figure 5-6:
Figure 5-7:
Figure 5-8: