160/180/200/250A MMA AC WELDING MACHINE ENG
OPERATING INSTRUCTIONS
Note:
Before using the welding machine, read the instruction manual carefully.
1. Intended use
This welding machine is made with traditional technology. It is intended for use for welding steel, stainless
steel.
2. Working environment
Under comparative dry environment, the environment temperature should be between -10
0
C and +40
0
C,
avoid working in the sun or rain, avoid working in the environment where there is much dust or corrosive
gas.
3.Power requirements
This welding machine is designed to operate on a properly grounded 220-240V or 380-400V (only for
WD060116018, WD060116020, WD060116025) 50Hz or 60 Hz, single-phase alternating current power
source. It is recommended that an electrician verify the actual voltage at the receptacle.
Warning:
If the actual power source voltage is less than 198V / 342V (only for WD060116018,
WD060116020, WD060116025) or greater than 253V / 440V (only for WD060116018, WD060116020,
WD060116025). Do not operate this welding machine.
4. Installation
Note:
Only qualified persons should install, use or service this equipment. Protect yourself and others
from possible serious injury or death.
1) Connection of the power cable
a) This welding machine must be grounded while in use to protect the operator from electrical shock.
Make sure the power switch is off then connect your welding machine’s power cable to a properly
grounded.
Warning:
The green and yellow conductor in the cable is the grounding wire. Never connect the
green and yellow wire to a live terminal.
b) When you connect the cable of welding machine to 230V power source, brown wire must be
connected to live line terminal, and blue wire must be connected to zero line terminal (See Fig 1).
c) When you connect the cable of welding machine to 380V power source, brown and blue wire must be
connected to arbitrary two phase line terminal (
only for WD060116018, WD060116020, WD060116025)
(See Fig 2).
c) Use multimeter to check whether the voltage value varies in the given range.
2) Connection of output cable
a) Attach the work clamp to the workpiece, as close as possible to the area being welded. Clean with a
wire brush where necessary to ensure the connection is as clean as possible.
b) If the workpiece is too far away from the welding machine (Max distance is less than 5m), and the
secondary cable is too long, the section of the cable should be bigger to reduce the lower of the cable
voltage.
3) Checking
a) Whether the welding machine is connected to standard to earth.
b) Whether the power control screw is be adjusted to correct position.
11
