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Regular check needs to be conducted by the qualified personnel after the welder has been installed over a period of six months,
which involves as follows:
• Routine cleaning needs to be done to make sure that there is no such abnormal condition as loose connection happening in
the welding machine.
• The external parts installed with the welder must guarantee that the welder works properly.
• Check the welding cable to see if it can continue to be used before it is worn out.
• Replace the welder's input cable as soon as it is found to be broken or damaged.
ATTENTION
Cut off power supply before open the case. Please do not hesitate to contact us for technical assistance whenever you
come across the problems you can not work out or you may deem difficult to fix.
3. TECHNICAL SPECIFICATION
3.1 ENVIRONMENT
• The surrounding temperature range when welding: -10 ~ ﹢40ºC.
During transport or in storage: -25 ~ ﹢55ºC.
• Relative humidity: when at 40ºC: ≤50%, when at 20ºC: ≤90%.
• The dust, acid and erodible materials in the air can not exceed the amount required by the norm (apart from the emissions from
the welding process). No violent vibration at the job site.
• Altitude no more than 1,000m.
• Keep from raining when it is used outdoor
3.2 requirement for main supply
• The voltage oscillogram should display actual sine wave, which must have enough capacity.
• The oscillation of the supplied voltage should not exceed ±10% of the rated value.
3.3 welding principles
Rectifier
Inverter
Filter
Function
Drive
Protection
Inspect
Transformation
Modulate
Process
Control
5
High
frequency
rectifier
Trait
Sampling
control
Current
Adjustment
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