Comprag 11100061, Руководство пользователя

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4. Operation
Non-qualified personnel must not be allowed to operate the com-
pressor.
4.1 Controller and operating panel
The compressors A30 to A55 are equipped with a pro-Log electronic controller.The pro-Log
electronic controller maintains the net pressure between programmable limits by automat-
ically loading and unloading the compressor. A number of programmable settings, e.g. the
unloading and loading pressures, the minimum stop time and the maximum number of
motor starts are taken into account.
The pro-Log electronic controller stops the compressor whenever possible to reduce the
power consumption and restarts it automatically when the net pressure decreases. In case
the expected unloading period is too short, the compressor is kept running to prevent too
short standstill periods.
Operating panel
In order to control the compressor and to read and modify programmable parame-
ters the controller has a control panel provided with:
- LEDs indicating the status of the compressor;
- a display indicating the operating conditions, a service need or a fault;
- buttons to control the compressor and access data collected by the controller;
- buttons to manually start and stop the compressor;
- an emergency stop button (separate installed)
Control panel buttons
Fig. 4.1 Controller panel
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