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5. Operation
20
5.2 Main display
The main display contains essential information about
the condition of the air station.
The individual elements of the main display are shown
in Fig. 5.
Fig. 5 – Main display
(1) Current
line
pressure
(2) Current
pressure
band
(3) Current
volume
flow
(4)
Compressor switches showing the compressor
status (see Fig. 6).
(5)
Status lines showing status, warnings and fault
indications.
(6)
"Info" key to show information about the air
station.
(7)
"Settings" key to change parameters.
(8)
Current date and time
(9)
"SD card" key
(10)
"Reset" key to reset warnings and fault
messages.
The status of a compressor is indicated on the
compressor key as shown in the following table:
On load
Indication for compressors with fixed
speed.
On load + delivery rate
Indication for compressors with speed
regulation or half/full load control.
Off load
The compressor motor is running, but
the compressor does not produce
compressed air.
Blow down
(Symbol flashing)
The value of the final pressure as the
value of the start protection.
Standby
The compressor is at standstill, is ready
and can be started by the GD Connect
12 when pressure is required.
Switched off
The compressor is at standstill and no
fault is signalled, but it cannot be started
by the GD Connect 12.
Fault
The compressor is signalling a fault.
Service
The compressor is being serviced and is
therefore not available. Warnings and
fault messages will be ignored.
Fault communication
Serial communication to the compressor
control or to the compressor module has
failed.
Software update necessary
The software of the compressor
controller needs an update.
Warning / Service
The compressor indicates a warning or
requires servicing.
Fig. 6 – Compressor status
(1)
(2)
(3)
(6)
(4)
(5)
(7)
(8)
(9)
(10)