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Contents
21.
Brief description ...................................................................................................................................... 28
22.
Technical data ......................................................................................................................................... 29
23.
Environmental conditions ...................................................................................................................... 29
24.
Safety requirements ................................................................................................................................ 30
25.
Overview control functions .................................................................................................................... 33
26.
Control elements ..................................................................................................................................... 34
27.
Control unit MC 3 .................................................................................................................................... 35
28.
Control unit MC 4 .................................................................................................................................... 36
29.
Control unit MC 5 .................................................................................................................................... 37
30.
Control unit MC 15 .................................................................................................................................. 38
31.
Functional description ............................................................................................................................ 39
32.
Material table ........................................................................................................................................... 42
33.
Operation / welding ................................................................................................................................. 43
34.
Wire feed unit DVK 3 / DVK 4 ................................................................................................................. 44
35.
Remote control socket (option for this type of machines) ................................................................. 45
36.
Over temperature .................................................................................................................................... 45
37.
Welding torch cooling / coolant JPP ..................................................................................................... 46
38.
Maintenance and safety check .............................................................................................................. 46
39.
Welding torch with Display / Job - sequence ....................................................................................... 47
40.
Trouble - shooting ................................................................................................................................... 48
41.
Ersatzteile / spare parts .......................................................................................................................... 49
42.
Schaltpläne / circuit diagrams ............................................................................................................... 62
21. Brief description
The conMIG 400 / 445 / 545 welding units are suited for welding thin sheet (motorcar parts) as well as extremely
thick materials (industrial use). Very good results are achieved also in welding stainless steel and aluminium.
Control functions
See control box MC.
Wire feed by four-roller drive
Current-source cooling by low-noise fan
The fan is switched on by thermostat control and runs only when the current source gets hot. During weld off
periods, the fan switches off as soon as the current source has cooled down again.
Thermic overload protection
In the event of extremely high load or ambient temperature followed by an inadmissibly high
temperature, a built-in thermo switch cuts off the welding current.
Central connecting socket
The central connecting socket permits quick coupling/decoupling of the torch.
Sign S
designates that this unit is admitted for welding under increased electrical hazard in
accordance with European Standard EN 60 974-1.
Operating manual
conMIG 400/445/545
operating
Page 28
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