Operating instructions multicomp
Page 24 of 29 Version 1.00
EDEBDA0144 / 0511-1 GB
9 Facility and safety devices maintenance
In order to ensure proper function and a long service life of your facility, the following checks have to
be performed after commissioning and then once a year!
• Check and retighten all connections. Screwed connections may become loose at the beginning due to
thermal stress.
• Check fuses, safety devices and switching equipment. Contactors are wearing parts. If the contactor is
intact, switching must take place without excessive formation of sparks.
• Check the controller performance in automatic mode.
• Examine the cool air proportions (ventilators, temperature monitoring function):
• Clean filter mats, depending on how dirty they are.
• Visual inspection of capacitors.
• Examine the current input and capacitor terminal voltage.
b
Note!
The input current and the temperature of these facilities must be
checked regularly so that an overload on the capacitors can be
detected at an early stage.
A higher input current can be caused by an increasing proportion of
harmonics or by defective capacitors
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