23COMPRAG Screw air compressor A-Series
3
2 4
Fig. 3.8 Power cable terminal connection
Connect the power supply cables to the terminal 4.
The earth wire of the power cable must be connected to the corresponding earthing bolt 3.
4. Operation
Non-qualied personnel must not be allowed to operate the com-
pressor.
4.1 Controller and operating panel
The compressors A7.5 to A22 are equipped with an e-Log electronic controller.
The e-Log electronic controller maintains the net pressure between programmable limits by
automatically loading and unloading the compressor. A number of programmable settings,
e.g. the unloading and loading pressures, the minimum stop time and the maximum num-
ber of motor starts are taken into account.
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