Before Commissioning; General Remarks; Set-Up Regulations; Mains Connection - Fronius VarioSynergic 3400 Instructions De Service

Before commissioning

General remarks

The power source may only be used for MIG/MAG welding.
Utilisation in
Utilisation for any other purpose, or in any other manner, shall be deemed to be „not in
accordance with
accordance with the intended purpose". The manufacturer shall not be liable for any
„intended purpo-
damage resulting from such improper use.
se"
Utilisation in accordance with the "intended purpose" also comprises
-
-
Set-up regulati-
The power source is tested to "Degree of protection IP23", meaning:
ons -
-
The power source can be set up and operated outdoors in accordance with IP23. The
built-in electrical parts must however be protected from direct wetting.
The venting duct is a very important safety feature. When choosing the machine locati-
on, ensure that the cooling air can enter and exit unhindered through the air ducts on the
front and back of the machine. Any electroconductive metallic dust (e.g. from grinding-
work) must not be allowed to get into the machine.

Mains connection

207 V~
360 V~
Fig.13 Mains voltage tolerance range
Warning! Operating the equipment incorrectly can cause serious injury and
damage. Do not use the functions described here until you have read and
completely understood all of the following documents:
- these Operating Instructions
- all operating instructions for the system components, especially the "Safety
rules"
following all the instructions given in this manual
performing all stipulated inspection and servicing work.
Protection against penetration by solid foreign bodies with diameters greater than
12.5 mm (0.49 in.)
Protection against direct sprays of water up to 60° from the vertical
Warning! A machine that topples over or falls from its stand can easily kill
someone. Place equipment on an even, firm floor in such a way that it stands
firmly.
Note! Inadequately dimensioned electrical installations can lead to serious
damage. The mains lead and its fuse protection must be dimensioned in
accordance with the technical data.
230 V~
-10% +10%
400 V~
-10% +10%
The welding machine can be operated at a
mains voltage of 3x230/400V~.
253 V~
The welding machine is switched to 400V
at the factory. With the tolerance range of
+/- 10% it can also be operated at 380 V~
or 415 V~.
440 V~
Important! As an option, the power source
can be designed for a special voltage. The
mains voltage is given on the rating plate.
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