ESAB TIG 401iW User manual

TIG 401iW

INVERTER TIG

Welding Power Source

Instruction manual

TIG 401iW

INVERTER TIG WELDING POWER SOURCE

Instruction manual

For

Installation, Operation & General Maintenance

CONTENTS

Item

Page No.

SAFETY

3-4

RATING AND INSTALLATION

5-6

CAUTIONS FOR INSTALLATION

WELDING OPERATIONS

7-8

WIRING DIAGRAM

TROUBLESHOOTING

PARTS LIST AND EXPLODED VIEW

11-15

SAFETY

Users of ESAB welding equipment have the ultimate responsibility for ensuring that

anyone who works on or near the equipment observes all the relevant safety

precautions. Safety precautions must meet the requirements that apply to this type of

welding equipment. The following recommendations should be observed in addition to

the standard regulations that apply to the workplace.

Trained personnel well acquainted with the operation of the welding equipment must

carry out all the work. Incorrect operation of the equipment may lead to hazardous

situations, which can result in injury to the operator and damage to the equipment.

1. Anyone who uses the welding equipment must be familiar with:

• its operation

• location of emergency stops

• its function

• relevant safety precautions

• welding

2. The operator must ensure that:

• no unauthorized person is stationed within the working area of the equipment

when it is started up.

• no one is unprotected when the arc is struck

3. The workplace must:

• be suitable for the purpose

• be free from drafts

4. Personal safety equipment

• Always wear recommended personal safety equipment, such as safety glasses,

flameproof clothing, and safety gloves.

• Do not wear loose—fitting items, such as scarves, bracelets, rings, etc., which

could become trapped or cause burns.

5. General precautions

• Make sure the return cable is connected securely.

• Only a qualified electrician may carry out work on high voltage equipment.

• Appropriate fire extinguishing equipment must be clearly marked and close at

hand.

• Lubrication and maintenance must not be carried out on the equipment during

operation.

Read and understand the instruction manual before installing or operating.

ESAB can provide you with all necessary welding protection and accessories.

WARNING

Arc welding and cutting can be injurious to yourself and others. Take

precautions when welding.

Ask for your employer’s safety practices which should be based on manufacturers’

hazard data.

ELECTRIC SHOCK –Can kill

• Install and earth the welding unit in accordance with applicable

standards.

• Do not touch live electrical parts or electrodes with bare skin, wet

gloves or wet clothing.

• Insulate yourself from earth and the workpiece.

• Ensure your working stance is safe.

FUMES AND GASES –Can be dangerous to health

• Keep your head out of the fumes.

• Use ventilation, extraction at the arc, or both, to take fumes and gases

away from your breathing zone and the general area.

ARC RAYS –Can injure eyes and burn skin.

• Protect your eyes and body. Use the correct welding screen and filter

lens and wear protective clothing.

• Protect bystanders with suitable screens or curtains.

FIRE HAZARD

• Sparks (spatter) can cause fire. Make sure therefore that there are no

inflammable materials nearby.

NOISE –Excessive noise can damage hearing

• Protect your ears. Use earmuffs or other hearing protection.

• Warn bystanders of the risk.

MALFUNCTION –Call for expert assistance in the event of malfunction.

PROTECT YOURSELF AND OTHERS!

CAUTION!

This product is solely intended for arc welding

Do not dispose of electrical equipment together with normal waste!

In accordance with national law, electrical equipment that has

reached the end of its life must be collected separately and returned

to an environmentally compatible recycling facility. As the owner of

the equipment, you should get information on approved collection

systems from the local representative. By applying this Directive you

will improve the environment and human health

RATING

TIG 401i W INVERTER WELDING POWER SOURCE

Item

Unit

TIG 401iW

Input power

3～415

Frequency

50/60

Rated input capacity

KVA

18.7

Rated input current

OCV

Rated welding voltage

Welding current

20～400

Base current

20～400

Tig welding current

20～400

MMA welding current

25～350

Current up, down time

0～10

Pulse frequency

0.5～250

Duty ratio

0～100

Gas pre-flow

0.3～10

Gas post-flow

0.5～25

Rated output

TIG arc

Efficiency

≥ 85%

Power factor

Cosφ

0.93

Insulation grade

Level

IP21S

Dimension L×W×H

670*307*610

Weight

INSTALLATION

The complete installation for TIG application should consist the following items:

Description

Type

Quantity

Welding Power Source

TIG 401i w

TIG Torch for TIG Welding

Earth cable with Clamp

GAS connection with regulator

The complete installation for MMA application should consist the following items:

Description

Type

Quantity

Welding Power Source

TIG 401i w

Welding Cable with

Electrode Holder.

Earth cable with Clamp

CAUTIONS FOR INSTALLATION

Provide a Switch Box for every Welding Power Source, and use designated

fuse

Tolerance of Power Voltage Variation is 10% of rated input voltage.

a) Installation place

Install in the place where less moisture and dust exist. Avoid direct sunlight and

rain, and maintain ambient temperature within –10o to +45o C as much as

possible.

Keep the welding power source at least 20 cm. away from the wall (if any).

In case of installation of more two units side by side, a distance of more than 20

cm is recommended between the two power sources.

Use a shield to protect the welding arc in case of excessive air draft.

b) Ventilation

Adequate ventilation is recommended at the place of installation. For

example the following guideline should be followed:

a) In case of the area being more than 300 square meters (per unit), no

ventilation is required, provided the room is not completely airtight.

b) In case of the area being less than 300 square meters and the welding

is continuously performed, adequate ventilation is recommended with

the help of vent fan or exhaust duct.

c) While performing the grounding work, it is recommended that a skilled

electrician does the work.

WELDING OPERATIONS

FRONT PANEL

1. Power Indicator.

2. Protection

Indicator.

3. Working

Indicator.

4. Voltage Display.

5. Welding Data Display.

6. TIG Welding

Trigger Mode

Selection.

7. Remote

Control Indicator.

8. Down Slope / Idle

Time adjusting knob.

9. Post Gas Flow

adjusting Knob.

10. Arc Force / Base

Current adjusting

Knob.

11. Crater

Current Adjusting

Knob.

12. Pulse Frequency

adjusting Knob.

13. Pulse Ratio

adjustment Knob.

14. Ignition Current

Adjustment Knob.

15. Pre Gas flow

adjusting Knob.

16. MMA Current /

Peak Current

adjusting Knob.

17. Hot Start / UP

Slope/Spot Time

adjusting knob.

18. Remote Control

Socket.

19. Pulse ON /

OFF Selection.

FRONT PANEL LOWER

1. “+” output power

Socket.

2. Remote Socket.

3.Torch Switch

Control Socket.

4. “-”Output

Power Socket

(TIG Torch).

5. TorchGAS connection.

6. Water connection

for TIG Torch.

7. Water connection

for TIG Torch.

REAR PANEL

1. Power ON/ OFF

Switch.

2. Air / Water Torch

Selection.

3.FlowSensor

connection.

4. InputPowerConnection.

5. InputGasconnection.

6. Power Output

to cooling unit.

WIRING DIAGRAM

Table of contents

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