12
Cautions
Chapter 3 Operation
Do not operate the machine when the shell has been opened, improper
cooling can damage the parts, make sure the sideboard have been closed.
When welding, you must wear helmet
、
glove and other guard.
3.1 Layout drawing of control panel (diagram 3-1)
Diagram 3-1
3.1.1 "ON/OFF” switch
When the switch on “OFF” position means power has been closed, when the switch on ”ON”
position means supply power for the main transformer and control circuit.
3.1.2 “MIN/MAX” switch
“MIN/MAX” switch is at the front panel of machine, each have two shelves, opposite output
data as table 3-1.
MIG-151Comparison table of output adjusting switch position and output current
Switch Position
MIN/MAX 1/2
Working
Current
Duty
Cycle
Working
Voltage
No-load
Voltage
MIN 1 30A
100%
15.5V
21V
MIN 2 50A
60%
16.5V
24.5V
MAX 1 75A 30%
17.7V
29V
MAX 2 105A
15%
19.2V
36V
Table 3-1
“MIN/MAX” switch
“ON/OFF” switch
“1/2”switch
Overload light
Power line
Grounding cable
Torch cable