OM-281426 Page 15
F
Complete Parts List is available at www.MillerWelds.com
4-10. Duty Cycle And Overheating For TIG (GTAW)
A complete Parts List is available at www.MillerWelds.com
OM-281426 Page 6
1-5. Duty Cycle And Overheating For TIG (GTAW)
0
20
40
60
80
100
120
140
160
180
200
220
240
10 100
Output Amperes
% Duty Cycle
20
50
240V
120V 20A
120V 15A
Duty Cycle is percentage of 10 minutes that
unit can weld at rated load without
overheating.
If unit overheats, output stops. Wait fifteen
minutes for unit to cool. Reduce amperage or
duty cycle before starting to weld again.
NOTICE – Exceeding duty cycle can damage
unit and void warranty.
120V Input: 40% Duty Cycle At 130A
4 Minutes Welding 6 Minutes Resting
240V Input: 20% Duty Cycle At 210A
2 Minutes Welding 8 Minutes Resting
Overheating
0
15
A or V
OR
Reduce Duty Cycle
Minutes
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