11
6.3
6Machine connection
6.3.1
、
Input power cable connection
This machine requires 3 phase 380v/50Hz power input, so the related power cable and distribution box is needed, as well as
the circuit breaker and ground lead. Reliably connect the protective ground and the yellow-green wire which on the back of
the machine. The wire CSA should no less than the following table:
Model
CSA for input copper
wire (mm
2)
Breaker capacity
(A)
Fuse protector
(A)
CSA for ground lead
cable(mm
2)
ZDE7-1200HD
≥25
≥16
150
≥150
6.3.2
、
Output terminal cable connection
（
1
）
Take away the protection pad of the output terminal, connect the welding head and work piece stably with the
power source output terminal, make sure the protection pad ≥10mm away from the cables after the pad installed. Welding
cable shall be no less than 140mm
2.
（
2
）
When power source integrated, the control cable one side connect power source output terminal stably, the other
side connect controller, make sure the 12 pin control cable no less than 0.75mm
2
（
3
）
Connect one side of the arc voltage inspection cable stably with the power source bottom panel arc voltage
inspection signal terminal, the other side connect with work piece, the cable should be no less than 1.0mm
2
6.3.3
、
Notes for output terminal cable connection
（
1
）
Welding cable square meter small or connect not stable will cause welding performance. Make sure the cable