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Installation
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Electrical installation
All electrical installations are to be carried
out by licensed personnel.
Although the machines are fitted with a thermal
overload in the motor windings a separate three-
phase common-trip circuit breaker must be
installed for all three-phase machines.
For proper overcurrent protection, check the data
plate at the rear of the machine. Also consult
local electrical code for special requirements.
Use inverse-time circuit breaker only.
Connect L1, L2, L3 and ground wires according
to the markings of the terminal block. The cable
is to hang in a large loose loop, supported by the
clip of the terminal block.
After installation, do the following for 3-phase
machines:
Check the incoming power for a high voltage or
"stinger" leg. If present, connect that line to L2 on
the terminal block.
Start the machine and check that the drum
rotates in the proper direction during extraction,
i.e. counter-clockwise when seen from the front.
If the drum rotates in the wrong direction inter-
charge line L1 and L3 at the power connection
terminal.
Check that the jumper clips on the transformer on
the control unit are correctly connected in relation
to the incoming voltage. The different alternatives
are printed on the transformer circuit board.
8
9
7
11
jumper clip alternatives
strapping
area
Fig.
8
Fig.
9
Fig.
10
Fig.
11
Содержание Selecta S28/125
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