Front Panel Overlay – Level 2 Controller - Gardner Denver DGH Series Instruction Manual

7.4 Front Panel Overlay – Level 2 Controller
Refer to Figure 7-1,Front Panel Overlay – Level 2 Controller for
information regarding the location and function of the LEDs,
switches, and text display.
Left tower pressure
switch LED:
On=switch closed
Off=switch open
Left tower drying LED
Left purge valve LED
On=valve open
Off=valve closed
Left inlet valve LED
On=valve open
Off=valve closed
Left tower regenerating
LED
Filter service /
maintenance LED
Vacuum Fluorescent
Text Display
Select switch
Power On LED
Communications icon
Power On / Off Switch
Front Panel Overlay – Level 2 Controller
(Note: Figure is representative of Models 40 through 450. Overlay for
Models 590 through 5400 depicts a different outlet/purge circuit.)
Figure 7-1
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7. Controller – Level 2
Filter service /
maintenance LED
Filter service /
maintenance LED
Right tower pressure
switch LED:
On=switch closed
Off=switch open
Right tower drying LED
Right purge valve LED
On=valve open
Off=valve closed
Right tower
regenerating LED
Right inlet valve LED
On=valve open
Off=valve closed
Enter switch
Maintenance / service
reminder LED
Alarm LED
Reset switch for alarm
Also see 7.7.3, setting
dew point alarm.
7. Controller – Level 2