
A. POSITIVE CONNECTION B . NEGATIVE CONNECTION
④
.Connecting input power for the welder, then switch on the power and current indicating light
"7" is on .
⑤
.Pay attention to rated welding current and rated duty cycle of the welder. Overload is not
allowed.
⑥
.After the welding operation is finished, let the welder be ventilated for a few minutes and
then cut off the power switch.
Ⅶ
.SYSTEMATIC BLOCK DIAGRAM
Ⅷ
.
This product is sold subject to the understanding that if any defect in manufacture or
material shall appear within 12 months from date of consumer sale, the manufacturer will
arrange for such defect to be rectified without charge on the sales invoice and warranty
card (except for any personal trouble).
General Troubles and Problem Solving:
ELECTRODE
HOLDER
WORKPIECE
ELECTRODE
HOLDER
WORKPIECE
WELDER
WELDER
3x380V
OUTPUT
AC/DC
Rectifier &
Filter
INPUT
Inverse
Circuit
20KHz
OUTPUT
Rectifier
Filter
Control Circuit
H.F.
+
TORCH
-