Section 3 - Operation; Controls - Miller Dialarc 250 AC Manuel D'utilisation

3-1. Controls

1 Range Selector Switch
Use switch to select ac or dc weld amperage
range.
If desired amperage is in the overlapping
area of two ranges, set switch in the lower
range for better fine amperage control.
SECTION 3 – OPERATION
1
Y Do not change position of switch
while welding.
2 Amperage Adjustment Control
Use control to adjust amperage within range
selected by Range Selector switch.
2 3
3 Circuit Breaker CB1
If CB1 opens, weld output drops to the mini-
mum of the range selected, and cannot be
adjusted by the Amperage Adjustment
control.
Press button to reset breaker.
4 Power Switch
4
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