ESAB Buddy Mig 500i Manual de usuario

Buddy

™

Mig 500i

Instruction manual

0463 335 074 GB 20120507

Valid for serial no. 209-xxx-xxxx

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1 SAFETY .…………………………………………………………………….. 3

2 INTRODUCTION .………………………………………………………..… 5

2.1 Equipment ..…………………………………………………………………….….. 5

3 TECHNICAL DATA …………………………………………………………5

4 INSTALLATION ……………………………………………………………6

4.1 Lifting instructions ………………………………………………………………….6

4.2 Location ……………………………………………………………………………..6

4.3 Mains supply ..……………………………………………………………………….6

5 OPERATION …………………………………………………………………8

5.1 Connections and control devices ………………………………………………….8

5.2 Fault indication light ………………………………………………...………………8

5.3 Inductance ………………………………………………………………………….. 8

5.4 Wire feed speed / Ammeter……………………………………………………….. 8

5.5 Gas check / Weld mode ..……………………….………………………………….9

5.6 2S / 4S (Crater on / off) .…………………….…………………………………….. 9

5.7 Crater filling .…………………………………………………………………………9

5.8 Creep start ..………………………………………………………………………… 9

5.9 Burnback …………………….……………………………………………………… 9

5.10 Turning on the power source……………………………………………….……...10

5.11 Connection of welding and return cable ………………………………………….10

5.12 MIG/MAG and FCAW-S welding…………………………………………………..10

6 MAINTENANCE ……………………………………………………………. 10

6.1 Power source ...………………………………………………………………….…. 10

6.2 Welding leads and clamps.……………………………………………………..…. 10

7 FAULT TRACING ..………………………………………………………… 11

8 ORDERING OF SPARE PARTS .…………………………………………

DIAGRAM …………………………………………………………….……..… 12

ORDERING NUMBERS ………………………………………….……..…… 13

ACCESSORIES ……..…………………………………………………………14

Rights reserved to alter specifications without notice.

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1 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.

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

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 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, 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 qualified electricians.

●

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.

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WARNING

Read and understand the instruction manual before installing or operating.

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

cutting.

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 work-piece.

●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!

Read and understand the instruction manual before installing or operating.

CAUTION!

This product is solely intended for arc welding only.

WARNING!

Do not use the power source for thawing frozen pipes.

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

CAUTION!

Read and understand the instruction manual before

installing or operating.

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2 INTRODUCTION

Mig 500i is a welding power source intended for MIG/MAG welding as well as for welding with

powder filled cored wire (FCAW-S) when coupled with Feed 402 wire feeder and associated

accessories.

ESAB's accessories for the product can be found on page 14.

2.1 Equipment

The power source is supplied with an instruction manual, 3m mains cable and 5m return cable with

clamp.

3 TECHNICAL DATA

Mig 500i

Mains voltage

Primary current

Imax

Ieff

Setting range

MIG/MAG

Permissible load at MIG/MAG

60% duty cycle

100 % duty cycle

Power factor at maximum current

Efficiency at maximum current (MIG/MAG)

Open-circuit voltage U0 max

Preset gas pre-flow

Preset gas post-flow

Preset creep start

Preset burn-back

Operating temperature

Transportation temperature

Dimensions lxwxh

Weight

Insulation class

Enclosure class

Application class

400 V ± 15%, 3 ~ 50/60 Hz

37 A

29 A

50 A / 16.5 V – 500 A / 39 V

500 A / 39 V

387 A / 33.4 V

0.93

85%

70 V DC

0.5 sec

2.0 sec

Built-in

0.3 sec

-10 to +40°C

-20 to +55°C

650 x 350 x 650 mm

58 kg

IP21

Duty cycle

The duty cycle refers to the time as a percentage of a ten-minute period that you can weld at a

certain load without overloading. The duty cycle is valid for temperatures up to 40°C

Enclosure class

The IP code indicates the enclosure class, i.e. the degree of protection against penetration by solid

objects or water. Equipment marked IP21 is designed for indoor use.

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Application class

The symbol indicates that the power source is designed for use in areas with increased

electrical hazard.

4 INSTALLATION

The installation must be executed by a professional

4.1 Lifting instructions

4.2 Location

Place the power source such that its cooling air inlets and outlets are not obstructed.

4.3 Mains supply

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). In this case it

is the responsibility of the installer or user of the equipment to ensure, by consultation with the

distribution network operator if necessary, that the equipment may be connected.

WARNING!

The handles are meant for manual handling of the power source only. For

mechanized handling, please use the lifting eyes.

WARNING!

The lifting eyes are meant for mechanized lifting of the power source only. Do

not attach any accessories such as welding cables, wire feeder or gas cylinder

when lifting the power source using these lifting eyes.

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Rating plate with supply connection data

Note! The welding power source is designed for connection to a 400 (380 - 415V) volt system with

four conductors. If the power source is to be used in countries with a higher or lower supply voltage,

the power source must be connected via a safety transformer.

Recommended fuse sizes and minimum cable area

Mig 500i

Mains voltage

Mains cable area mm2

Phase current I1eff

Fuse

Anti-surge

Type C MCB

400 V ± 15%, 3 ph

4 G 6

29A

32A

Note!

Use the welding power source in accordance with the relevant national regulations.

(Check with relevant national regulations)

Make sure that the welding power source is connected to the correct supply voltage and that it is

protected by the correct fuse rating. Please refer to the rating plate at the back of the machine for

the mains supply requirement. A protective earth connection must be made in accordance with

regulations.

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5 OPERATION

General safety regulations for the handling of the equipment can be found

on page 3. Read through before you start using the equipment!

5.1 Connections and control devices

5.2 Fault Indication Light (Yellow LED) ( ) (Pos 9)

The power source has a fault indication light that operates when one of the following events occur:-

1) Thermal overload - operates when machine has been used beyond its intended duty cycle. Fault

indication resets automatically when the temperature has fallen to a suitable temperature

2) Over/under voltage protection - operates when the mains input voltage exceeds the tolerance of

the machine. Fault indication would need to be reset manually by turning the main switch to off and

then back on again.

3) Internal machine fault - operates if there are faults in the machine. Please contact ESAB Service

technician for assistance.

5.3 Inductance ( ) (Pos 3)

Higher inductance results in a wider weld pool and less spatter. Lower inductance produces a

harsher sound but a stable, concentrated arc.

Control of the inductance is especially important when short arc welding.

5.4 Wire feed speed display / Ammeter (Pos 2)

During preset, the meter will show wire feed speed in m/min. When welding, the meter will show

the welding amperage.

1Voltmeter

2Wire feed speed display / ammeter

3Inductance control ( )

4Connection for wire feed unit ( )

5 Connection (-)

6Connection (+)

7Crater voltage control ( )

8Crater current control ( )

9Fault indication light (Yellow LED) ( )

10 Power indication light (White LED)

11 Switch for 2-stroke / 4-stroke (Crater on/off)

12 Gas check / weld mode

13 Mains power supply switch, 1 / 0

14 CO2heater regulator socket (110Vac)

15 Resettable breaker for heater socket

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5.5 Gas Check / Weld mode (Pos 12)

Gas check is used to measure that gas flow or to flush the gas hoses to clean them of any air and

moisture before commencing welding. Gas check is carried out with the voltage and wire feed

switched off.

5.6 2-stroke /4-stroke (Crater on/off) (Pos 11)

With 2 stroke, wire feed starts when the trigger switch is pressed in and ends when it is released.

With 4 stroke, the gas flow starts when the trigger switch is pressed in and the wire feed starts

when it is released. The welding process continues until the switch is pressed in again, the wire

feed stops and when the switch is released the post-flow starts. By switching to 4 stroke, it also

turns on the crater filling function. The crater voltage & current can be adjusted on the panel of the

power source.

5.7 Crater filling (Pos 7 & 8)

Crater filling helps to avoid pores, thermal cracking and crater formation in the weld when welding

stops.

The crater voltage & current control on the machine panel controls the full voltage and current

range of the machine. It is generally recommended that the crater voltage & current is set lower

than the welding voltage & current.

5.8 Creep start

Creep start means that the wire is fed at low speed until it comes into electrical contact with the

workpiece and then the speed increases to the set speed. The creep start timing has been preset

and cannot be changed.

5.9 Burnback

Burnback time is a delay between the time when the wire starts to brake until the time when the

power source switches off the welding voltage. The burnback timing has been preset and cannot

be changed.

5.10 Turning on the power source (Pos 13)

Turn on the mains power by turning the mains switch to the “1” position.

If the mains power supply should be interrupted while welding is in progress, and then be restored,

the power source will be energised.

Turn the unit off by turning the switch to the “0” position.

5.11 Connection of welding and return cable

The power source has two outputs, a positive terminal (+) and a negative terminal (-), for

connecting welding and return cables. The output to which the welding cable is connected depends

on the welding method or type of electrode used.

For MIG/MAG/FCAW-S welding, one end of the welding cable can be connected to the positive

terminal (+) or negative terminal (-) depending on the type of electrode used (The connecting

polarity is stated on the electrode packaging) and the other end of the welding cable is connected

to the wire feeder.

Connect the return cable to the other output on the power source. Secure the return cable’s

contact clamp to the work piece and ensure that there is good contact between the work piece and

the output for the return cable on the power source.

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5.12 MIG/MAG and FCAW-S welding

An arc melts a continuously supplied wire. The weld pool is protected by shielding gas.

For MIG/MAG and FCAW-S welding, the power source is to be supplemented with:

●wire feed unit

●welding gun

●connection cable between power source and wire feed unit

●gas bottle with suitable regulator

6 MAINTENANCE

Regular maintenance is important for safe, reliable operation.

Only those persons who have appropriate electrical knowledge (authorized staff)

may remove the safety plates.

6.1 Power source

Check regularly that the welding power source is not clogged with dirt.

How often and which cleaning methods apply depend on:

●welding process

●arc time

●placement

●surrounding environment

It is normally sufficient to blow down the power source with dry compressed air (reduced pressure)

once a year.

Clogged or blocked air inlets and outlets otherwise result in overheating.

6.2 Welding gun and clamp

Wear parts should be cleaned and replaced at regular intervals in order to achieve trouble-free

welding.

CAUTION!

All guarantee undertakings from the supplier cease to apply if the customer himself

attempts any work in the product during the guarantee period in order to rectify any faults.

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