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WP33L_BA_K1_12_en_08.fm
6.2 Operation modes
When the power supply to the Sauer compressor is turned on, it
can be started with one of the following two operational modes:
– Normal operation mode “Manual“:
The compressor starts and keeps running until it is stopped or
turned off with either the operation mode selector or the main
switch.
– Operation mode “Automatic“:
Starting and stopping of the compresssor is controlled by ex-
ternal devices (e. g. by the pressure switch at the pressure
vessel).
When the Sauer compressor starts, it starts without load with the
drain valves open. Some seconds later the valves close and the
compressor runs up against pressure.
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