![background image](http://html1.mh-extra.com/html/gardner-denver/dgh-series/dgh-series_instruction-manual_3637034035.webp)
7. Controller – Level 2
- 35 –
7. Controller – Level 2
Controller, except in the case of an alarm or service
reminder (see 5.b and 7.b in Alarm & Service Mode).
•
Display Mode is comprised of several screens (described
below). The controller automatically scrolls through the
screens, displaying each one for 4 seconds. The user can
override the 4 second time period and force the next screen
to be displayed by pressing S .
•
The screens are displayed in the following sequence: 1, 2,
3A, 4, 5, 6, 1, 2, 3B, 4, 5, 6, 1, 2, 3C, 4, 5, 6, 1, 2, 3D, 4, 5,
6, … with the exceptions noted below.
7.10.1
Display Mode
Screen 1
– Dew point class and cycle
type.
2: -40°C/-40°F
DEMAND CYCLE
7.10.2
Display Mode S
creen 2
– Energy savings.
This screen is not displayed if FIXED cycle is selected.
ENERGY SAVINGS
XX%
7.10.3
Display Mode S
creen 3A
– Service reminder
(filters).
This screen is not displayed if 1 or 2 filter monitors are
detected.
HOURS TO SERVICE
FILTERS: XXXX
7.10.4
Display Mode S
creen 3B
– Service reminder
(desiccant).
HOURS TO SERVICE
DESICCANT: XXXX
7.10.5
Display Mode S
creen 3C
– Service reminder
(valves).
HOURS TO SERVICE
VALVES: XXXX
7.10.6
Display Mode S
creen 3D
– Valve cycle counter.
CYCLE COUNTER
XXXXXXX
7.10.7
Display Mode S
creen 4
– Dryer outlet dew
point,(AUX2, analog input).
This screen is not displayed if jumper 3 is not installed.
OUTLET DEW POINT
±XX°C ±XXX°F
7.10.8
Display Mode
Screen 5
– Dryer inlet pressure,
(AUX3, a
nalog
input).
This screen is not displayed if jumper 4 is not installed.
INLET PRESSURE
XX BARG XXX PSIG
7.10.9
Display Mode S
creen 6
– Dryer inlet temperature,
(AUX3,
analog
input).
This screen is not displayed if jumper 5 is not installed.
INLET TEMP.
XX°C XXX°F
7.11
Test Mode
•
Test Mode is active when the user exits Setup Mode after
selecting operation in MANUAL CYCLE.
•
Test Mode is comprised of eight screens (descriptions
follow the table below). Each screen corresponds to one of
eight program steps (described in the table below).
•
Press S to advance from one screen (program step) to
the next. Be sure to read and understand all cautions listed
with the screen (program step) descriptions.
•
If the temperature is below 40°F or the thermistor circuit is
open, the second line of the display will read “UNDER-
RANGE” instead of the temperature reading. (Refer to
screens 2, 3, 4, 6, 7, and 8.)
•
If the temperature is above 150°F or the thermistor circuit is
shorted, the second line of the display will read “OVER-
RANGE” instead of the temperature reading. (Refer to
screens 2, 3, 4, 6, 7, and 8.)
•
Upon entering Test Mode, the program can be at any one
of the eight steps.
•
To exit Test Mode:
1.
Use S to manually advance the program to
step 1 or 5.
a)
The program must be set at step 1
or 5 to exit Test Mode.
b)
Screen 9 is displayed for 3
seconds if the user attempts to
exit the program from step 2, 3, or
4.
c)
Screen 10 is displayed for 3
seconds if the user attempts to
exit the program from step 6, 7, or
8.
2.
Press and hold E for 3 seconds to exit Test
Mode. The display switches to Screen 2 of
Setup Mode.
3.
Use S to select DEMAND CYCLE or FIXED
CYCLE.
4.
Press E to accept the selection and
activate Display Mode.
Содержание DGH Series
Страница 12: ...4 Installation 12 4 Installation Figure 4 3 continued on next page 590 5400 SCFM General Arrangement...
Страница 22: ...6 Controller Level 1 22 6 Controller Level 1 Figure 6 2 Electrical Schematic Level 1 Controller...
Страница 23: ...6 Controller Level 1 23 6 Controller Level 1 Figure 6 3 Point to Point Connection Diagram Level 1 Controller...
Страница 24: ...6 Controller Level 1 24 6 Controller Level 1 Figure 6 4 continued on next page Panel Layouts Level 1 Controller...
Страница 39: ...7 Controller Level 2 39 7 Controller Level 2 Figure 7 2 Electrical Schematic Level 2 Controller...
Страница 42: ...7 Controller Level 2 42 7 Controller Level 2 Figure 7 4 continued on next page Panel Layout Level 2 Controller...