Installation - NewArc WFU12A-ILS Operational Manual

SECTION 3 — INSTALLATION
3.2 - Connection to Power Source

2. Installation

Only use copper welding cables with a cross sectional area of 35mm
ate the cable size suitable for the required welding distance.
Connection to Power Source
• When using gasless wire, the polarity at the power source should be switched to positive earth.
• When using gasless wire, the polarity at the power source should be switched to positive earth.
• When using the remote cable, the change in voltage will only be reflected on the display of the pow
• When using the remote cable, the change in voltage will only be reflected on the display of the power
source and not on the display of the feed unit.
source and not on the display of the feed unit.
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WFU12A-ILS
Note! The figures on the graph are for a duty cycle rating of
Only use copper welding cables with a cross sectional area
60%. The total welding circuit includes the power and the ea
leads. of 35mm or more. Use the graph below to calculate the
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cable size suitable for the required welding distance.
• For straight polarity welding, connect the power in conne
tor on the rear of the wire-feeder to the +ve connector on t
NOTE! The figures on the graph are for a duty cycle rating
power source.
of 60%. The total welding circuit includes the power and
• Connect the welding earth lead to the -ve connector
the earth leads.
the power source and attach the earth clamp to the wo
• For straight polarity welding, connect the power in
piece.
connector on the rear of the wire-feeder to the +ve
• Connect the earth signal return lead to the earth signal co
connector on the power source.
nector on the rear of the wire-feeder and attach the sm
• Connect the welding earth lead to the -ve connector
earth clamp to the work-piece as close as is practicable to t
onthe power source and attach the earth clamp to the
welding earth clamp.
workpiece.
or more. Use the graph below to calcu
2
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