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Using the 230 volt – 120 volt Plug Adapter
If a 230V (50A) circuit is not available, you can connect your 220 AC/DC Forney welder to 120V outlet (with a 30A
breaker) using the plug adapter. When using the plug adapter, use lower power settings on the machine to avoid frequent
circuit breaker trips. At maximum settings on 120V, the machine will draw more than 20 amps regularly.
Generators
This welder can be operated from an AC generator. As this is a dual voltage machine please ensure that when using on
230V, the generator must supply a minimum of 10,000 watts of continuous output. When using the 120V option, the
generator must supply a minimum of 5,000 watts of continuous output. The generator must not have an auto-idle fuel
saving feature or must have the option to turn auto-idle off. The generator must run at full speed at all times while your
welder is plugged into it or you risk damaging your welder. Any other power draws on the generator or anything that
reduces the generator RPM may damage your welder.
Extension Cords
For optimum welder performance, an extension cord should not be used unless absolutely necessary. If necessary, care
must be taken in selecting an extension cord appropriate for use with your specific welder.
Select a properly grounded extension cord that will mate directly with the AC power source receptacle and the welder
INPUT POWER CABLE without the use of adapters. Make certain that the extension cord is properly wired and in good
electrical condition. Extension cords must fit the following wire size guidelines:
•
#8 AWG for 230V-3 conductor.
•
#12 AWG for 120V-3 conductor.
•
Do not use an extension cord over 25 ft. in length.
Since the inhalation of welding fumes can be harmful, ensure that the welding area is effectively ventilated. See the
“Safety Summary” for more details (pages 5-9).
FOR YOUR SAFETY, BEFORE CONNECTING THE POWER SOURCE TO THE LINE CLOSELY
FOLLOW THESE INSTRUCTIONS:
• An adequate two-pole breaker must be inserted before the main outlet. This breaker must be equipped with
time-delay fuses.
• When working in a confined space, the welder must be kept outside the welding area and the ground cable
should be fixed to the workpiece. Never work in a damp or wet confined space.
• Do not use damaged INPUT POWER CABLE or welding cables.
• The welding torch/electrode should never be pointed at the operator or other people.
• The welder must never be operated without its panels attached. This could cause serious injury to the operator
and could damage the equipment.
Ventilation
Additional Warnings
230V/50A
120V/20A
