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Fronius VARIOSTAR 357-2 User Manual

Fronius VARIOSTAR 357-2
69 pages
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42,0410,0480 022000
VARIOSTAR 357, 357-2
VARIOSTAR 457, 457-2
MIG/MAG
welding machine
MIG/MAG-
Schweißgerät
Installation de soudage
MIG/MAG
OPERATING
INSTRUCTIONS
SPARE PARTS
LIST
BEDIENUNGS-
ANLEITUNG
ERSATZTEIL-
LISTE
MODE
D´EMPLOI
LISTE DE PIÈCES
DE RECHANGE

Table of Contents

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Fronius VARIOSTAR 357-2 Specifications

General IconGeneral
Input Voltage400 V
Output Current350 A
Weight50 kg
Welding ProcessMIG/MAG, TIG, MMA
Mains Voltage3 x 400 V
Mains Frequency50/60 Hz
Protection ClassIP23
Insulation ClassF
Input Frequency50/60 Hz
Efficiency85 %
Power Factor0.93
Duty Cycle60 %

Summary

SAFETY RULES

Hazard Identification

Details risks from gases, sparks, electrical current, and dangerous spots.

Protective Equipment & Installation Safety

Essential protective gear, installation safety, and precautions.

SAFETY RULES (Continued)

Normal Operation and Inspections

Precautions in normal operation and safety inspection requirements.

CONTROLS AND CONNECTIONS

OPERATING MODES

STARTING TO USE THE WELDING MACHINE

Intended Use and Setup Regulations

Guidelines on intended use, machine setup, and protection.

Mains Connection

Instructions for connecting the welding machine to the power supply.

ASSEMBLING THE VARIOSTAR 357/457

ASSEMBLING VARIOSTAR 357-2 / 457-2

Mounting FK 57 Cooling Unit

Attaching the FK 57 cooling unit to the VST 357-2/457-2 models.

MOUNTING / CONNECTING THE GAS CYLINDER

Gas Cylinder Setup

Safe procedures for setting up and connecting a gas cylinder.

MOUNTING THE WELDING TORCH

Welding Torch Connection

How to properly connect the welding torch to the machine.

FEEDING IN THE WIRE ELECTRODE

Wire Electrode Insertion

Step-by-step guide for feeding the welding wire into the machine.

MIG/MAG WELDING

CARE AND MAINTENANCE

TROUBLESHOOTING

Error Messages and Displays

Explains diagnostic codes and their potential causes and remedies.

Power Source Faults and Remedies

Lists common faults, their causes, and recommended solutions.

TECHNICAL DATA

SPARE PARTS LIST

SPARE PARTS LIST (Continued)

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