Electrical Connection - Hermle UWF 902 H Operating Manual

2.6 Electrical Connection

The machine is delivered ready-to-connect. All of
the electrical equipment is accommodated in an
electrical cabinet integrated in the machine.
Danger
Generally, connection to the electrical mains may
only be performed by a suitably qualified technician.
Before work is carried out on any electrical
installation, the mains switch must be switched off
and precautions taken so that it cannot be
inadvertantly switched on again by another person.
The circuit diagrams are to be found in the door
compartment [1] on the inside of the electrical
cabinet's left-hand door.
The choice of cable cross-section to be used for
connection to the mains should be made according
to the connection conditions laid out in the circuit
diagram.
2.6 Electrical Connection
1
The mains connection within the electrical cabinet
should be made as shown on the illustration. In the
process, the cable bushing should be sealed using
a rubber grommet.
Connect the cable to the terminals L1, L2, L3, N,
and PE.
Place the touch guards back onto the terminals.
    
Note
The rotating field must be clockwise. Before switching
on the machine the rotating field must be tested with
a phase-rotation indicator.
If necessary, alter the direction of rotation by
exchanging 2 of the phases (e.g. L1 and L2).
L1 mains-phase
L2 mains-phase
L3 mains-phase
N zero conductor
PE earth conductor
Please absolutely take note of the following page.
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