Design and function
MMA welding
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099-000109-EW501
23.08.2018
5.4.4
Frequency and balance setting
Balance setting
Figure 5-50
Frequency setting
Figure 5-51
5.4.5
Hotstart
The function hot start ensures a secure igniting of the arc and a sufficient heating to the still cold parent
metal at the beginning of the welding process. The ignition takes place here with increased current (hot
start current) over a certain time (hot start time).
A = Hot start current
B = Hot start time
C = Main current
I =
Current
t =
Time
Figure 5-52
