Ronch 250MIG, User Manual

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• 4.1. Layout for the front and rear panel
1.
Welding volt knob: Set the welding volt
2. Voltage display: Welding voltage display when machine is working, Set voltage display when
MIG mode before welding. Unit
：
V.
3. .Welding current knob: Set the welding current.
4. Current display: Welding Current display when machine is working, Set current display before
welding. Unit
：
A.
5. Wire speed LED
：
You can use current setting knob to set the wire speed when the wire speed
LED is on.
6. Current LED
：
When the current LED is on, it display the actual output welding current.
7. Power Led: Power led is lighted when open the machine.
8. Alarm Led: When the welder is over voltage, less voltage, over current or over heated, the
alarm pilot lamp will be on.
9. Wave control knob: Controls arc characteristics, Determines the rate at which the amperage
rises when a short circuit is produced.
10. Manual wire switch & air check switch: up for manual wire and down for air check.
11. MIG GUN Connect.
12. Output cathode
：
This polarity must connect the work piece
• 4.2. Welding operation
For example RONCHWELD 250MIG
• 4.2.1. Voltage Setting
You can use the voltage setting knob to set the output voltage before welding.
• 4.2.2. Wire speed setting
You can use current setting knob to set the wire speed when the wire speed LED is on. When the
current LED is on, it display the actual output welding current.