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Functional principle
Circuit diagram
CU = cooling unit, TO = welding torch, AIR = compressed air
Program se-
1.
quence
2.
3.
4.
5.
6.
7.
8.
9.
10. Signal valves (A) + (B) + (C) off
11. Ready for welding
NOTE!
When the valve is active, the LED of the valve lights up.
16
(D)
2
1
AIR IN
End of welding
Signal valves (A) + (B) + (C) on
Dwell time: 1 second
Signal valve (D) on
Dwell time: until the torch hosepack is completely empty (approx. 20 se-
conds)
Signal valve (D) off (venting compressed air)
Dwell time: 5 seconds
Carry out welding torch change
Dwell time after coupling the torch body: 1 second
CU IN
(A)
2
1
(B)
3
1
2
TO OUT
CU OUT
CU TANK
(C)
3
1
2
TO IN
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