MasterTig 235ACDC, 325DC, 335ACDC
Operating manual - EN
2. INSTALLATION
Do not connect the equipment to the mains before the installation is complete.
Do not attempt to move or hang the equipment mechanically (e.g. with a hoist) from the handle on the power source
unit. The handle is meant only for manual lifting.
Place the machine on a horizontal, stable and clean ground. Protect the machine from rain and direct sunshine.
Check that there is enough space for cooling air circulation in the machine vicinity.
Before installation
• Make sure to acknowledge and follow the local and national requirements regarding installation and use of
high voltage units.
• Check the contents of the packages and make sure the parts are not damaged.
• Before you install the power source on site, see the requirements for the mains cable type and fuse rating
given in the "Technical data" on page59 chapter.
Do not connect the machine to the mains before the installation is complete.
Only an authorized electrician is allowed to install the mains cable.
Distribution network
MasterTig 235ACDC: This equipment complies with IEC 61000-3-12 and can be connected to public low-voltage sys-
tems.
MasterTig 325DC and 335ACDC: Provided that the public low voltage short circuit power at the point of common
coupling is higher than or equal to the value stated on the list below, this equipment is compliant with IEC 61000-3-
11 and IEC 61000-3-12 and can be connected to public low voltage systems. It is the responsibility of the installer or
user of the equipment to ensure, by consultation with the distribution network operator if necessary, that the system
impedance complies with the impedance restrictions.
• MasterTig 325DC and 335ACDC: 1.7 MVA
• MasterTig 325DC G and 335ACDC G: 1.9 MVA
• MasterTig 325DC GM and 335ACDC GM: 1.4 MVA.
According to the EMC classification (Class A), the MasterTig 235, 325 and 335 equipment is not intended to be used
in residential locations where the electrical power is provided by the public low-voltage supply system.
© Kemppi
8/77 1920900 / 1939
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