Setup Mode - Gardner Denver DGH Series Instruction Manual

Pressure-swing desiccant type compressed air dryers
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When finished, press E to save the selection and move
to Screen 3 (if a dew point sensor is connected to AUX2)
or Screen 4 (if one is not).
7.7.3 Program Mode Screen 3 – Set the alarm point for the
dew point sensor (AUX2, analog input).
DEW POINT ALARM
±XX°C ±XXX°F
Press S to increase or the ALARM RESET button to
decrease the setting to the desired value.
a.
The default is –20°C –4°F .
b.
The allowable range of values is from –75°C
(–103°F) to +10°C (+50°F) .
When finished, press E to save the selection and move
to Screen 4.
7.7.4 Program Mode Screen 4 – Select the service level.
SERVICE LEVEL
NORMAL
Press S to toggle between NORMAL and SEVERE.
a.
NORMAL service intervals are:
i. 4000 hours for filters
ii. 8000 hours for desiccant
iii. 4000 hours for valves
b.
SEVERE service intervals are:
i. 2000 hours for filters
ii. 4000 hours for desiccant
iii. 2000 hours for valves
NOTE: Time continues to accumulate as long as power
is supplied to the controller, whether the controller is
switched on or off.
When finished Press E to save the selection and move
to Screen 5 (if no filter monitors are detected) or Screen 6
(if 1 or 2 filter monitors are detected).
7.7.5 Program Mode Screen 5 – Reset the timer for filter
service.
FILTER SERVICE
RESET? NO
Press S to toggle between NO and YES.
When finished, press E to acknowledge the selection
and move to Screen 6.
7.7.6 Program Mode Screen 6 – Reset the timer for
desiccant service.
DESICCANT SERVCE
RESET? NO
Press S to toggle between NO and YES.
When finished, press E to acknowledge the selection
and move to Screen 7.
7.7.7 Program Mode Screen 7 – Reset the timer for valve
service.
VALVE SERVICE
RESET? NO
Press S to toggle between NO and YES.
When finished, press E to acknowledge the selection
and move to Screen 8.
7.7.8 Program Mode Screen 8 – Reset the valve cycle
counter.
CYCLE COUNTER
RESET? NO
Press S to toggle between NO and YES.
When finished, press E to acknowledge the selection
and exit Program Mode .

7.8 Setup Mode

Press and hold E for 3 seconds to enter Setup Mode.
Setup Mode is comprised of the screens that are described
below.
There are three ways to exit Setup Mode.
1.
Press E after making the selection in
Screen 2 (if the dryer does not have electric
drains) or Screen 4 (if the dryer has electric
drains).
2.
At any screen, press and hold E for 3
seconds.
3.
The controller automatically exits Setup Mode
if no button is pressed within 60 seconds.
One of two things will happen upon exiting Setup Mode.
1.
The controller will switch to Display Mode if
DEMAND CYCLE or FIXED CYCLE was
selected.
2.
The controller will switch to Test Mode if
MANUAL CYCLE was selected.
7.8.1 Setup Mode Screen 1 – Select the dew point class.
ISO 8573 DEW PT
2: -40°C/-40°F
- 31 –
7. Controller – Level 2
7. Controller – Level 2

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