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1
YEAR
WARRANTY
Radiated interference can develop in the following ways
1. Direct interference from welder power source
2. Direct interference from the welding leads
3. Direct interference radiated from feedback into power lines
4. Interference from re-radiation by ungrounded metallic objects
Keeping these contributing factors in mind, installing equipment as per following instructions should minimize
problems
1. Keep the welder input power lines as short as possible and enclose as much of them as possible in metal conduit
or equivalent shielding. There should be a good electrical contact between this conduit and ground (Earth).
2. Keep the work and electrode leads as short as possible. Tape the leads together where practical.
3. Be sure the torch and earth leads rubber coverings are free from cuts and cracks that allow welding power
leakage.
4. Keep earth lead connection to work in good condition clean area on workbench where earth clamp is situated on
a regular basis.
VENTILATION
This machine can create powerful welding current and has strict cooling requirements that cannot be met with
natural ventilation. Therefore, machine to work stable with effective cooling. The minimum distance between the
machine and nearby objects should be 20mm.
INPUT POWER CONNECTION
The machine has one input connection, the power input cable. The power input cable is located on the rear.
The machines provided with a STW 16AWG 600V 105 cables, 2.0M in length, with a 15Amp 5-15P plug molded
onto the cord, to connect 110VAC power.
The rated output current is available when connected to a 40A branch circuit. When connected to a branch circuit
with lower capacity, lower welding current and duty cycle must be used. The primary cable should be tightly
connected to the correct socket to avoid oxidization.
Check whether the voltage value varies in acceptable range with a multi-meter.
The mains supply voltage should be within ±5% of the rated mains supply voltage. Too low a voltage may cause
poor welding performance. Too high a supply voltage will cause components to overheat and possibly fail.
CODE REQUIREMENTS FOR ELECTRICAL INPUT CONNECTIONS
This welding machine must be connected to a power source in accordance with applicable electrical codes.
The National Electrical Code provides standards for amperage handling capability of supply conductors based on
duty cycle of the welding source.
If there is any question about the installation meeting applicable electrical code requirements, consult a qualified
electrician.
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