VPK COMPRAG A1108, Руководство пользователя

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Fig.
3.5.2
Power cable terminal connection
4. Operation
Non-qualified 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 t-Log electronic controller. The t-Log
electronic controller maintains the net pressure between programmable limits by automa-
tically 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 t-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.