Design and Function
WP33L_BA_K1_12_en_08.fm
27
3.4 Compressor Control System -
Indicators and Control
On the front of the Compressor Control, the following indicators
and control features can be found:
Note!
If the Compressor Control system is supplied by J.P. SAUER &
SOHN read the documentation supplied.
Indicator/
Control feature
Description
Signal lamp “Ope-
ration”
Illuminates when the compressor is running.
Fault indicator lamp
“Overcurrent”
Illuminates if the compressor has shutdown because of excess
motor current.
Operating hours
counter
Indicates the operating hours of the compressor.
Operating mode
selector
• “Manual” Mode:
Starts the compressor manually. The compressor starts up and
continues to run until it is manually turned off.
• Selector position “0“:
Turn the commpressor manually off. Any pending fault messa-
ges are reset.
• “Auto” Mode:
The compressor starts and stops by the opening and closing of
a remote contact (e.g. pressure switch at a compressed air
receiver).
Isolator - Main
switch
Disconnects the power supply to the Compressor Control.
A main Isolator should be installed if required by local law and
regulations.
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