Miller Gold Star 302, Owner'S Manual

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OM-222 Page 16
4-4. Duty Cycle And Overheating
6 Minutes Welding 4 Minutes Resting
Duty Cycle is percentage of 10 min-
utes that unit can weld at rated load
without overheating.
If unit overheats, thermostat(s)
opens, output stops, and cooling
fan runs. Wait fifteen minutes for
unit to cool. Reduce amperage or
duty cycle before welding.
NOTICE − Exceeding duty cycle
can damage unit and void warranty.
Overheating
0
15
A
OR
Reduce Duty Cycle
Minutes
duty1 4/95 / Ref. 168 919
Example: 60% Duty Cycle =