Checking The Mains Voltage; General Remarks - Fronius VarioSynergic 3400 Instructions De Service

Checking the mains voltage

General remarks

Checking the Before fitting the mains plug, check whether welding and control transformers are
mains voltage switched to the correct mains voltage:
Fig.14 Connecting terminal plate for welding and
Warning! An electric shock can be fatal. If the machine is connected to the
mains electricity supply during installation, there is a high risk of very serious
injury and damage. Only carry out work on the machine when
- the mains switch is in the "O" position,
- the machine is unplugged from the mains.
control transformers
Note! Inadequately dimensioned electrical installations can lead to serious
damage. The mains lead and its fuse protection must correspond to the mains
voltage and the power source current input (see technical data)
1. Remove the right side panel of the
power source
2. Compare connecting terminal plate
and printed connection diagram for
the welding transformer
3. Compare connecting terminal plate
and printed connection diagram for
the control transformer The cable
marked with a cable tie must be
connected according to the mains
voltage
4. Attach the right side panel to the
power source
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