ESAB LAF 1601M Manuale utente

Instruction manual

0449 507 101 GB 20170901 Valid for: serial no. 126-xxx-xxxx

LAF1601 / LAF1601M

TABLE OF CONTENTS

0449 507 101 © ESAB AB 2017

1SAFETY ......................................................................................................... 4

2INTRODUCTION............................................................................................ 7

3TECHNICAL DATA ........................................................................................ 8

4INSTALLATION.............................................................................................. 9

4.1 Location..................................................................................................... 9

4.2 Connections.............................................................................................. 10

5OPERATION .................................................................................................. 12

5.1 Controls..................................................................................................... 12

6MAINTENANCE............................................................................................. 13

6.1 Cleaning .................................................................................................... 13

6.1.1 Welding power source............................................................................ 13

6.1.2 Contactor................................................................................................ 13

7ORDERING SPARE PARTS .......................................................................... 14

DIAGRAM ............................................................................................................. 15

CONNECTION INSTRUCTION............................................................................. 17

ORDERING NUMBERS........................................................................................ 19

Rights reserved to alter specifications without notice.

1 SAFETY

0449 507 101 -4- © ESAB AB 2017

1 SAFETY

Users of ESAB 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 equipment. The following

recommendations should be observed in addition to the standard regulations that apply to

the workplace.

All work must be carried out by trained personnel well-acquainted with the operation of the

equipment. 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 equipment must be familiar with:

○ its operation

○ location of emergency stops

○ its function

○ relevant safety precautions

○ welding and cutting or other applicable operation of the equipment

2. The operator must ensure that:

○ no unauthorised person is stationed within the working area of the equipment

when it is started up

○ no-one is unprotected when the arc is struck or work is started with the

equipment

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,

flame-proof clothing, 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

○ Work on high voltage equipment may only be carried out by a qualified

electrician

○ 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

CAUTION!

This product is solely intended for arc welding.

1 SAFETY

0449 507 101 -5- © ESAB AB 2017

WARNING!

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

when welding and cutting. Ask for your employer's safety practices which should

be based on manufacturers' hazard data.

ELECTRIC SHOCK - Can kill

• Install and earth the 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.

Read and understand the instruction manual before installing or operating.

PROTECT YOURSELF AND OTHERS!

CAUTION!

Class A equipment is not intended for use in residential

locations where the electrical power is provided by the

public low-voltage supply system. There may be potential

difficulties in ensuring electromagnetic compatibility of class

A equipment in those locations, due to conducted as well

as radiated disturbances.

CAUTION!

Read and understand the instruction manual before

installing or operating.

1 SAFETY

0449 507 101 -6- © ESAB AB 2017

NOTE!

Dispose of electronic equipment at the recycling

facility!

In observance of European Directive 2012/19/EC on Waste

Electrical and Electronic Equipment and its implementation

in accordance with national law, electrical and/or electronic

equipment that has reached the end of its life must be

disposed of at a recycling facility.

As the person responsible for the equipment, it is your

responsibility to obtain information on approved collection

stations.

For further information contact the nearest ESAB dealer.

ESAB has an assortment of welding accessories and personal protection equipment

for purchase. For ordering information contact your local ESAB dealer or visit us on

our website.

2 INTRODUCTION

0449 507 101 -7- © ESAB AB 2017

2 INTRODUCTION

LAF 1601/ LAF 1601M are remote-controlled 3-phase welding power sources designed for

high-efficiency mechanical submerged-arc welding (SAW).

The welding power sources are fan-cooled and are monitored by a thermal cutout against

overload. When the thermal cutout is deployed the yellow lamp on the front panel illuminates

automatically. The reset is carried out automatically when the temperature has decreased to

a permitted level.

3 TECHNICAL DATA

0449 507 101 -8- © ESAB AB 2017

3 TECHNICAL DATA

LAF 1601 LAF 1601M

Mains connection 400/415/500 V, 3~ 50 Hz 230/400/415/500 V, 3~ 50 Hz

440/550 V, 3~ 60 Hz 230/440/550V, 3~ 60 Hz

Primary current Imax 136 A 230 A

Permissible load at:

100% duty cycle 1600 A / 44 V 1600 A / 44 V

Setting range 100–1600 A / 24–44 V 100–1600 A / 24–44V

No-load voltage 56 V 56 V

No-load power 230 W 230 W

Efficiency 88% 88%

Power factor at maximum

current 0.84 0.84

Apparent power I2at

maximum current 95.6kVA 87.5 kVA

Active power I2at

maximum current 80 kW 80 kW

Continual sound pressure

at no-load < 70 dB(A) < 70 dB(A)

Weight: 585 kg 585 kg

Dimensions L x W x H: 774 x 598 x 1430 mm 774 x 598 x 1430 mm

Insulation class

(transformer)

H H

Enclosure class IP 23 IP 23

Application class

4 INSTALLATION

0449 507 101 -9- © ESAB AB 2017

4 INSTALLATION

The installation must be carried out by a professional.

NOTE!

Mains supply requirements

High power equipment may, due to the primary current drawn from the mains

supply, influence the power quality of the grid. Therefore connection restrictions

or requirements regarding the maximum permissible mains impedance or the

required minimum supply capacity at the interface point to the public grid may

apply for some types of equipment (see "TECHNICAL DATA" chapter). In this

case it is the responsibility of the installer or user of the equipment to ensure, by

consultation with the distrubution network operator if necessary, that the

equipment may be connected.

4.1 Location

WARNING!

Secure the equipment - particularly if

the ground is uneven or sloping.

• Place the welding power source on a level foundation.

• Make sure there is nothing to prevent the cooling.

Lifting instructions

4 INSTALLATION

0449 507 101 - 10 - © ESAB AB 2017

4.2 Connections

• On delivery the welding power source is connected

for 400 V.

• For other supply voltage:

Remove the left side plate.

Perform the switchings on the main and control

transformer in accordance with the connection

instruction in "CONNECTION INSTRUCTION"

chapter.

• Select the mains cable with the correct cable area

and fuse the cable with the correct fuse in

accordance with local regulations (see the table

below in "Mains connection" section).

• Remove the front plates (x 2).

•Connect the ground cable to the screw marked .

• Tighten the cable clamp (1).

• Connect the mains cables to the main connection terminals L1, L2 and L3 (5).

• Connect the control cable between the welding power source and the control box to

the 28-pin connector (2) on the inside of the welding power source.

• Connect the 1-pin measuring cable (4) for measuring the arc voltage to the return

cable/welding head.

• Connect a suitable welding and return cable in the connectors (3) marked + and - on

the front of the welding power source.

• Fit the side/front plates.

Mains connection

LAF 1601 3~ 50 Hz 3~ 60 Hz

Mains voltage 400 / 415 V 500 V 440 V 550 V

Primary current Imax 136 A 108 A 136 A 108 A

Phase current I1eff 136 A 108 A 136 A 108 A

Cable area 3×70 + 35 mm23×50 + 35 mm23×70 + 35 mm23×50 + 35 mm2

Fuse anti-surge 160 A 125 A 160 A 125 A

LAF 1601M 3~ 50 Hz 3~ 60 Hz

Mains voltage 230 V 400 / 415

500 V 230 V 440 V 550 V

Primary current Imax 230 A 136 A 108 A 230 A 136 A 108 A

Phase current I1eff 230 A 136 A 108 A 230 A 136 A 108 A

Cable area 3×120 +

70 mm2

3×70 + 35

mm2

3×50 + 35

mm2

3×120 +

70 mm2

3×70 + 35

mm2

3×50 + 35

mm2

Fuse anti-surge 250 A 160 A 125 A 250 A 160 A 125 A

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