5.
Machine electric connection
The machine motor is fed from the low voltage network.
Attention!
All works on the machine electric installation may be performed by an
authorized electrician only.
It is absolutely necessary to study the instructions supplied by the
manufacturer about the motor!
5.1
Machine connection to low voltage network
According to the selected type, the machine motor has a single-phase
or three-phase feeding. If it has a three phase feeding, it includes an
asynchronous motor. In that case it is necessary to adjust the
connection of coils in the motor terminal box (in a star or a triangle) to
the local network voltage.
Attention!
The electric network voltage must comply with the voltage on the motor
label!
The asynchronous motor coil connection must correspond with the
local network voltage.
A low voltage circuit includes the following items:
–
supply plug
–
main switch (in the minimotor drive the main switch is integrated in
the minimotor control box)
–
motor
–
lighting transformer (optionally)
–
cables
A part of these items is included in the motor packing.
The low voltage circuit is to be carried out according to the schedule
which is included in the package “the motor parts set”.
Attention! Danger of electric injury!
The motors may be operated only with a protective conduit connected
to a protective system capable of function complying with prescriptions
and decrees to prevent personal injuries due to electric current or fire.
The motor operation becomes dangerous if the protective conduit
inside or outside the motor is disrupted. The protection must not be
broken by means of e.g. an extension cord without the protective
conduit.
17
GB
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