4
7
Installation and adjustment
7.1
Open the package and check
Check if there is any damage of the machine, if all the accessories is complete according to the packing list.
7.2
Installation
●
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.
7.3
Requirements table
Parameter
Model
CSA for input copper wire
（
mm
2
）
Breaker capacity
（
A
）
Fuse protector
(A)
CSA for ground lead
cable
（
mm
2
）
ZX7-400HD
≥4
40
32
≥4
ZX7-500HD
≥6
60
40
≥6
ZX7-630HD
≥6
60
50
≥6
Warning:
Completely read the operator's manual before installation, strictly follow the installation requirements.
The 3 phase input cable should steadily connected, any one of the three disconnect or poor connect will cause abnormal work.
Slowly and softly adjust the rotary knob, do not continue to turn when it reaches the endpoint.
If there is significantly worse of the performance during the welding process, the machine should be stopped to check.
The potentiometers on the control circuit has different functions, they have been routine tested before delivery, please do not
adjust.
Only qualified personnel should perform this welding machine.
Wear protective garments such as gloves, heavy shirts, trousers and high shoes according to the related safety precautions.
Power off immediately if the abnormal indicator on, then check the input voltage, cooling fan motor, or if there is lack-phase or
overheat. Then turn on the machine again when it cooled down, if still have problem, please contact Huayuan company.
