Connection And Start-Up - Migatronic SIGMA SELECT 300 Guía De Usuario

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Connection and start-up

Warning
Read warning notice and instruction
manual carefully prior to initial
operation and save the information
for later use.
Permissible installation
Mains connection
Connect the machine to the correct mains supply. Please read
the type plate (U
) on the rear side of the machine.
1
0
1
1
Connection of shielding gas
Connect the gas hose, which branches off from the back panel
of the welding machine (3), to a gas supply with pressure
regulator (2-6 bar). (Note: Some types of pressure regulators
require an output pressure of more than 2 bar to function
optimally).
One/two gas cylinders can be mounted on the bottle carrier on
the back of the trolley.
Important!
In order to avoid destruction of plugs and
cables, good electric contact is required
when connecting earth cables and
welding hoses to the machine.
WARNING
When you activate the torch trigger,
there is voltage applied to the welding
wire and electrode.
2
Connection of welding hose
Lift instructions
The lifting points
must be used (please
see figure) when
lifting the machine.
The machine must
not be lifted with
mounted gas bottle.
Do not lift the machine by the handle.
Do not step on the handle.
Recommended cable dimensions
Welding current
DC
200 A
35 mm²
300 A
50 mm²
400 A
95 mm² / 2x50 mm²
550 A
2x70 mm²
Welding process
Distance to work piece
(a+b)
MIG - IAC and pulse 10 m
MIG - non pulse
30 m
c
Connection of electrode holder for MMA
The electrode holder and earth cable are connected to plus
connection (10) and minus connection (8). Observe the instructions
from the electrode supplier when selecting polarity.
PULSE
35 mm²
70 mm²
95 mm² / 2x50 mm²
2x70 mm²
Total cable length in
welding circuit (a+b+c)
20 m
60 m
a
b
17

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