11
corresponding 3-phase power supply.
(3) Specification plate
(4) Cooling fan
Cool down the heat components in the welding machine.
(5) Earthing bolt
To ensure operators not to be harmed and welding machine to work normally, make sure the
earthing bolt grounded firmly by ground cable, or make sure the ground wire (mixed-colored) of the
input power cable grounded firmly.
(6) Input warning mark
1.3 Remote control box
Figure 7: Remote Control Box
(1)
“Amp” meter
It displays preset value while in open load, and displays practical value of welding current
while in actual working.
(2)
“Welding current” regulation knob
(3)
“Arc force current/ down-slope” regulation knob
(4)
Control socket (Connect to remote control cable)
2. Operating instruction
2.1 Turn on the air switch on the switch box, the “Normal” indication lamp will light on and cooling fan
rotates. Before welding normally, set up parameters by adjusting knobs and switches on the
control box and front panel according to the selected mode. Customer should refer to parameters
defined in table 7 owing below:
Table
7:
MM
A
weldi
ng
para
meters
Attention: On MMA, when welding current is low and cable length of electrode holder is short (no more
Work piece thickness
（
mm
）
＜
1
2
3
4
～
5
6
～
12
≥13
Electrode diameter (mm
）
1.5
2
3.2
3.2
～
4
4
～
5
5
～
6
Welding current
（
A
）
20
～
40
40
～
50 90
～
110
90
～
130
160
～
250 250
～
400
