.A complete Parts List is available at www.MillerWelds.com
4-2. Duty Cycle And Overheating
A. 115 VAC
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.
NOTICE − Exceeding duty cycle can damage unit or gun and void warranty.
20% duty cycle at 90 amps
2 Minutes Welding | 8 Minutes Resting |
B. 230 VAC
40% duty cycle at 150 amps
4 Minutes Welding | 6 Minutes Resting |
Overheating |
|
0 | A or V |
| 15 |
| OR |
Minutes | Reduce Duty Cycle |
|
duty1 4/95 − 124 655 / 220
