Contents
Dear reader,
Introduction 3
Explanation of safety notices 3
Safety rules 7
General 7
Proper use 7
Environmental conditions 8
Obligations of the operator 8
Obligations of personnel 8
Mains connection 8
Protecting yourself and others 9
Danger from toxic gases and vapours 9
Danger from flying sparks 10
Risks from mains current and welding current 10
Meandering welding currents 11
EMC Device Classifications 12
EMC measures 12
EMF measures 12
Specific hazards 13
Factors affecting welding results 14
Danger from shielding gas cylinders 14
Danger from escaping shielding gas 14
Sicherheitsmaßnahmen am Aufstellort und beim Transport 15
Safety measures in normal operation 15
Commissioning, maintenance and repair 16
Safety inspection 16
Disposal 17
Safety symbols 17
Data protection 17
Copyright 17
General 18
Device concept 18
REQUIREMENTS 18
Application area 19
Warning notices on the device 19
Options 20
"Mode" switch option for VR 4000/VR 4000-30 20
Optional control panels for VR 4000/VR 4000-30 20
Optional installation and conversion kits 20
Controls and indicators 22
General 22
Standard control panel 22
Control panel VR 4000-30 TIME 23
Connections and mechanical components 25
Front of wirefeeder 25
Rear of wire-feed unit 25
Side of wire-feed unit 26
Placing wire-feed unit on power source 28
General 28
General 28
Connecting wire-feed unit to power source 29
General 29
Connecting the wirefeeder to the power source 29
Connecting the welding torch 31
Welding torch connections 31
Safety 31
Connecting MIG/MAG manual welding torch 31
Connecting MIG/MAG robot welding torch 31
Connecting the Tweco welding torch 32
Inserting/replacing feed rollers 33
5
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