１３
六、
Installation
1.
Power supply:
Specification
NB-250LT
NB-315LT
Capacity of power
supply switch(A)
25
32
Capacity of fuse (A)
23
30
Sectional area of
power supply line
(mm
2
)
≥2.5
≥2.5
Sectional area of
ground wire(mm
2
)
≥4
≥4
2.
Installation (please refer to figure 8)
Make sure the distribution switch is cut down, and then connect the welding machine. Do not operate with
wet hands. Do not put anything on the power cable. Connect all the parts well. Install according to the below
orders
：
Connect the three phase power cable to the power switch of distribution box well, the green-yellow line of
welding machine should be reliably connected with ground wire in the distribution box.
Connect the quick coupling of ground wire with the socket of work-piece, tighten it by clockwise, connect the
other end of ground wire with work-piece reliably.
Insert the plug of torch into socket, fasten the ring nut and tighten the torch.
