Welding Task Selection; Hotstart - EWM Tetrix 351 AW FW Operating Instructions Manual

Design and function
MMA welding
Polarity depends on the instructions from the electrode manufacturer given on the electrode
packaging.
•
Insert cable plug of the electrode holder into either the "+" or "-" welding current connection socket and
lock by turning to the right.
•
Insert cable plug of the workpiece lead into either the "+" or "-" welding current connection socket and
lock by turning to the right.
•
Fit yellow protective cap onto G¼" connecting nipple.

5.10.2 Welding task selection

The following welding task selection is an example of use. In general, the selection process always has
the same sequence. Signal lights (LED) will show the selected combination.

5.10.3 Hotstart

The hot start function improves the arc striking.
After striking the stick electrode, the arc ignites at the increased hot start current and decreases to the set
main current once the hot start time has elapsed.
68
EXIT
4s
Figure 5-53
A = Hot start current
B = Hot start time
C = Main current
I = Current
t = Time
Figure 5-54
099-000118-EW501
24.11.2017