Miller Auto Deltaweld 452 Gebruikershandleiding - Pagina 20
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4-4. Duty Cycle And Overheating
Overheating
4-5. Volt-Ampere Curves
B. 450 Amp Model
OM-223 Page 14
.
A complete Parts List is available at www.MillerWelds.com
100% Duty Cycle
Continuous Welding
0
15
Minutes
A. 300 Amp Model
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.
V
OR
Reduce Duty Cycle
Volt-ampere curves show
mum and maximum voltage and
amperage output capabilities of
unit. Curves of other settings fall be-
tween curves shown.
C. 650 Amp Model
va_curve1 − 4/95 − 171 224 / 171 225 / 171 226
duty1 4/95 / SA-168 918
mini-