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Electrical connection
When carrying out any work on the machine, observe the general safety instructions
(Page 13) and the specifications contained in EN 50110‑1 regarding safe operation on
electrical equipment.
Note
Service Center
If you require support when electrically connecting up the machine, please contact the Service
Center (Page 125).
Connected parts can loosen
If you use fixing elements made from the wrong material or apply the wrong tightening torque,
this could impair current transfer or cause connecting parts to become loose. Fastening
elements can work loosely, so that the minimum air clearances are no longer maintained.
Sparking formation may occur, in an explosive atmosphere it can lead to an explosion. This
could result in death, serious injury or material damage to the machine or even in failure,
which could in turn lead indirectly to material failure of the system.
● Tighten the screwed connections to the specified tightening torques.
● Observe any specifications regarding the materials from which fixing elements must be
● When performing servicing, check the fastenings.
6.1
Preparation
6.1.1
Selecting cables
Take the following criteria into account when selecting the connecting cables:
● Rated current
● Rated voltage
● If required, service factor
● System-dependent conditions, such as ambient temperature, routing type, cable cross-
LOHER CHEMSTAR 1PS5
Operating Instructions 03/2014
WARNING
made.
section as defined by required length of cable, etc.
6
55
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