User manual

2920 1207 05
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User manual
Fig. 2.1. Control panel
2 CONTROL PANEL
2.1 Indicators, keys and buttons (Fig. 2.1)
Ref. Designation Function
1 Automatic Indicates that the regulator is
operation LED automatically controlling the
compressor: the compressor is
loaded, unloaded, stopped and
restarted depending on the air
consumption and the limitations
programmed in the regulator.
2 Voltage on LED Indicates that the voltage is
switched on.
3 General alarm LED Is alight if a warning or shut-down
warning condition exists or if a
sensor is out of order. See section
7.
Blinks in case of shut-down, if a
sensor with shut-down function
(e.g. TT11) is out of order or after
an emergency stop. See section 7.
4 Display Indicates messages concerning the
compressor operating condition, a
service need or a fault. See section
3.1.
5 Function keys Keys to control and program the
compressor. See section 3.4.
6 Scroll keys Keys to scroll through the display.
See section 3.2.
7 Tabulator key Key to go to the next field of the
display. See section 3.3.
8 Start button Push button to start the
compressor. LED (1) lights up
indicating that the regulator is
operative (in automatic operation).
The LED goes out after unloading
the compressor manually.
9 Stop button Push button to stop the
compressor. LED (1) goes out.
The compressor will stop after
running in unloaded condition for
30 seconds. See also section 1.1.
S3 Emergency Maintained-action push button to
stop button stop the compressor immediately
in case of emergency. After
remedying the trouble, unlock the
button by turning it to the left or
by pulling it out.
2.2 Pictographs (Fig. 2.1)
Ref. Designation
10 Emergency stop
11 Automatic operation
12 Voltage on
13 Alarm
Delivery air
bar 7.0
Auto loaded
Menu More Unld
F1 F2 F3
Fig. 2.2. Typical example of a display
411 122
1
3
5
S3
10
6
7
9
8
50503F
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