Jasic MIG250P - 7.1. Installation Steps; 7.2. Diagram and Initial Operation

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Diagram: Distribution box connection (for reference)
Wiring diagram of distribution box
1 Power switch of distribution box
2 Fuse of 60A or more.
3 Welder cable: Single-phase 230V, copper cable of
3*4
2
mm
or more is adopted.
4 Olivine ground wire (connected to GND! instead of null
line), copper cable of 4
2
mm
or more is adopted;
Wiring should be conducted with main power off as shown in
the diagram or in other correct ways.

Attention: Do not operate with power!
 Connection to be done by professional electrician.
 Do not connect two welders to the same fuse box.
If enclosure is connected to GND, wire 4 is not
connected to GND!
7.1. Installation
7.1.1. Power cord installation： Welder power cord is connected to 50Hz/60Hz AC grid via fuse of 60A or
more.
7.1.2. Ground wire connection： Cable plug with earth clamp is inserted into the “-” socket at the bottom of
the front panel and is tightened.
7.1.3. Gas pipe connection： One end of gas pipe is connected to gas port on the back panel, while the
other is connected to gas cylinder through gas meter.
7.1.4. Heater power connection： Heater power plug on the gas cylinder is inserted into heater power
socket on the back panel.
7.2. Installation diagram and instruction