16
INITIAL OPERATION
Mains connection
After connection of the mains cable the machine is ready for use. Please note that all cable
connections must be made by authorized and qualified staff.
Type Mains Voltage Fuse Mains cable
DELTA 140E 230V 16A 3x2.5mm
2
DELTA 160E 230V 20A(16A)
1)
3x2.5mm
2
1)
With connection to low voltage mains network only 16A (schuko plug)
The machine will function optimally and satisfactorily if voltage is kept above permissible minimum
voltage. Therefore, it is important to pay attention to the fact that any extension of mains cables or
welding cables will reduce the maximum performance of the machine. This is caused by the fact
that the electrical resistance of the cable will cause a decline in voltage, which is directly dependent
on the length of the cable. See ”Technical data”.
Warning! There is an imminent danger of damaging the extension cable if it is coiled during use of
the machine, since the cable will not be cooled sufficiently. The extention cable must not, at the
same time, be used for the supply of any other equipment.
Connection of welding cables
Connect the welding cables to the front of the machine. Please note that the plug must be turned
through 45 degrees after insertion into the socket. If the plug is not installed correctly, it will be
damaged due to excessive contact resistance, and as a consequence the machine will be
damaged too.
Configuration
MIGATRONIC disclaims all responsibility for damaged cables and hoses and other damage related
to welding with an undersized welding torch and welding cables measured by welding
specifications e.g. in relation to permissible load.
Warning
Connection to generators can damage the welding machine.
When connected to a welding machine, generators can produce large voltage pulses, which can
damage the welding machine. Use only frequency and voltage stable generators of the
asynchronous type.
Defects on the welding machine arisen due to connection of a generator are not included in the
guarantee.
Usage of the machine
When welding with a DELTA 140E/160E machine, some heating of various components of the
machine takes place and during breaks in welding these components will cool down again.
It is not possible to overload the machine in normal use, and the machine can work continuously at
current settings up to 85A for DELTA 140E and 100A for DELTA 160E during MMA electrode
welding. If the machine is set for currents higher than 85A/100A, there will be a need for periods
during which the machine can cool down. Higher current and higher ambient temperature will result
in longer cooling periods.
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