Ter Welding Smart Welder MMA 140, Руководство пользователя

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b) Metal and plastic case
The images shown here are indicative only. The actual product may differ.
4.2 Operation instruction
 Turn on the power switch, the power indicator would light on, and the fan starts running.
 Set the welding current according to the welding requirement.
 Generally, welding current is adequate to welding electrode according with as following.
Specification φ2.5 φ3.2 φ4.0 φ5.0
Current 70-100A 110-140A 170-220A 230-280A
4.3 Welding environment and safety

Working surrounding
a) Welding should be carried out in dry surroundings. The air humidity level should not be higher
than 90%.
b) The temperature should be between -10

C to 40

C.
c) Don’t use the welding machines in sunshine or rain. Keep it off water.
d) Don't use the machines in the places of dust or corrosive air.
e) MIG welding should not be carried out in places with quick air flow.

Safety norms
Protection circuit of over-voltage, over-current and over-heat circuits are designed in the
welding machines. It will stop working automatically when the input voltage, output current or
internal temperature exceed the rated value. But if the machines are excessively used, such
as with input voltage higher than the rated, the machine might be damage. Please pay close
attention to the following matters.
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