Amperage Controls - Miller Electric MOG-250 Owner's Manual

4-5. Amperage Controls

CAUTION
ARCING can damage switch.
Do not change position of any Amperage control or switch while welding or under load.
Arcing inside switch can damage contacts, causing switch to fail.
In Example:
Total Amperage Output = 122.5 A
(100 A + 2.5 A)
OM-808 Page 18
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1 Coarse Amperage Control
Use control to select coarse weld
amperage output.
To set amperage using only the
Fine Amperage control, place
Coarse Amperage control in Off
position.
2 2-1/2 Ampere Switch
(Optional)
Use switch to add 2-1/2 amperes to
weld output.
To add 2-1/2 amperes to weld
output, place switch in Off position.
For remote amperage adjustment,
place switch in Off position.
3 Fine Amperage Control
Use control to add amperage, in 5
ampere steps, to weld output.
For remote amperage adjustment,
place control in Off position.