4.3
Welding Environment and Safety
⚫ Environment
a) The machine can perform in environment where conditions are dry with a dampness level of
max 90%.
b) Ambient temperature is between -10 to 40 degrees centigrade.
c) Avoid welding in sunshine or drippings. Do not let water enter the gas
d) Avoid welding in dust area or the environment with corrosive gas.
e) Avoid gas welding in the environment with strong airflow.
⚫ Safety norms
Our welding machine has installed protection circuit of over voltage, over current and over heat.
When voltage, output current and temperature of machine are exceeding the rate standard,
welding machine will stop working automatically. Because that will be damage to welding
machine, user must pay attention to following.
a) The working area is adequately ventilated！
Our welding machine is powerful machine, when it is being operated, it generated by high
currents, and natural wind can’t be satisfied with machine cool demands. So there is a fan in
inter-machine to cool down machine. Make sure the intake is not in block or covered, it is 0.3
meter from welding machine to objects of environment. User should make sure the working
area is adequately ventilated. It is important for the performance and the longevity of the
machine.
b) Do not over load！
The operator should remember to watch the max duty current (Response to the selected duty
cycle).Keep welding current is not exceed max duty cycle current. Over-load current will
damage and burn up machine.
c) No over voltage！
Power voltage can be found in diagram of main technical data. Automatic compensation circuit
of voltage will assure that welding current keeps in allowable range. If power voltage is
exceeding allowable range limited, it is damaged to components of machine. The operator
should understand this situation and take preventive measures.
If welding time is exceeded duty cycle limited, welding machine will stop working for protection.
The machine is overheated, temperature control switch is on “ON’’ position and the indicator
light is red. In this situation, you don’t have to pull the plug, in order to let the fan cool the
machine. When the indicator light is off, and the temperature goes down to the standard range,
it can weld again.
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