Connection And Operation - Migatronic FOCUS MIG 130 PFC Guía De Usuario

Connection and operation

Warning
Read warning sheet and
this user guide carefully
before the equipment is
installed and in operation.
Permissible installation
Mains connection
Connect the machine to the correct mains supply.
Please read the type plate (U
the machine.
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.
Connection of shielding gas
The shielding gas hose on the rear side of the
machine (3) is connected to a gas supply with a
pressure reduction to max. 8 bar.
Adjustment of wire brake
The wire brake must ensure
that the wire reel brakes
sufficiently before the
welding wire runs over the
edge of the reel.
The brake force is
dependent on the weight
of the wire reel and wire
feed speed.
Adjustment:
• Adjust the wire brake by fastening or loosening
the self-locking nut on the axle of the wire hub.
Inching
This function is for wire
inching/feeding, e.g. after
change of wire. To feed the
wire, press and hold down
the key while triggering the
torch trigger.
) on the rear side of
1
1.
2.
3.
4.
5.
6.
7.
8.
9.
Selecting welding polarity
Polarity reversal is recommended
for certain types of welding wire, in
particular Innershield welding wire. For
recommended polarity, please refer to
the welding wire packaging.
Change of polarity:
1. Disconnect the machine from the
2. Dismount the milled nuts at the
3. Reverse the cables (fig. 1).
4. Mount the milled nuts (fig. 1).
5. Exchange earth cable from minus to
6. Connect the machine to the mains
9
8
7
GAS
max. 8 Bar
5 6 4
Mains connection
Power switch
Connection of shielding gas
Connection of earth clamp
Connection of welding hose
Connection of earth clamp
Wire feed speed control
Adjustment of welding voltage
The welding voltage indicator is illuminated
for reasons of safety and in order to show if
there is voltage at the torch.
mains supply.
poles (fig. 1).
plus (fig. 2).
supply.
3 2 1
Power
N
F
1
2
Change of polarity
5