User manual
2920 1456 03
5
2 Control panel (Fig. 2.1)
Fig. 2.1 Control panel
LEDs/buttons/keys
Ref. Designation
Function
1
Scroll keys
Keys to scroll through the display.
2 Tabulator
key
Key to select the parameter indicated by a horizontal
arrow.
3
Function keys
Keys to control and program the compressor. See below.
4
Voltage on LED
Indicates that the voltage is switched on.
5 Pictograph
Voltage
on.
6 Pictograph
Alarm.
7
General alarm LED
Is normally out. Is alight or blinks in case of an abnormal
condition. See below.
8 Pictograph
Automatic
operation.
9
Automatic operation LED
Indicates that the regulator is automatically controlling the
compressor.
10
Stop button
Push button to stop the compressor. LED (9) goes out.
11 Start
button
Push button to start the compressor. LED (9) lights up
indicating that the regulator is operative (in automatic
operation).
12 Display
Indicates messages concerning the compressor operating
condition, a service need or a fault.
On GA37 VSD (200 V)
Isolator switch
Switch to isolate the compressor from the mains or to stop
the compressor immediately in case of emergency. The
compressor will be depressurized automatically when the
isolator switch is switched off.
On GA18/30/37/45/50/55/75/90
VSD:
Emergency stop button
Push button to stop the compressor immediately in case
of emergency. After remedying the trouble, unlock the
button by pulling it out and press the Rset key.
Note:
Previously produced compressors may be equipped with
an isolator switch
.