C-10
“Oil-Less” Scroll Laboratory Air
4107 9006 25.11
Appendix C: TotalAlert Embedded Control System
to the Manual position. See Figure C.19. Moving
to this position forces the compressor to operate
against the backup pressure switch, starting and
stopping according to the switch settings.
3.5” Unit screen with Manual Override selected
Manual Override
Switch
O - On Manual
X - Off
A - Automatic
PCB4 with Manual Override switch On
Figure C.19 Manual Override
If the switch is in Manual or Off postion on PCB4,
the touchscreen controls no longer control the
compressor. Moving the switch back to the
Automatic position puts the unit under the control
of the TotalAlert Embedded control system.
CAUTION:
The “Manual Override” mode of
operation should only be used for emergencies
such as a loss of unit display board or loss of
display touchscreen and should not be used for
normal operation.
C.3.6 3.5” Status Screen
Figure C.20 3.5” Status Screen
The status screen (Figure C.20) shows the running
hour meter values.
C.3.7 3.5” Service Screen
Figure C.21 3.5” Service Screen
