Duty Cycle And Overheating - Miller Passport 180 Owner's Manual

3-3. Duty Cycle And Overheating

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Overheating
OM-1328 Page 10
115 VAC DUTY CYCLE
% DUTY CYCLE
230 VAC DUTY CYCLE
% DUTY CYCLE
0
15
Minutes
Duty Cycle is percentage of 10
minutes 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.
Y Exceeding duty cycle can
damage unit or gun and void
warranty.
100
100
A or V
OR
Reduce Duty Cycle
duty1 4/95 − 221 229-A