ESAB Origo Mig 320 User manual

Valid for serial no. 6260349 301 110 061025

Mig 320

Origo







Instruction manual

ENGLISH

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TOCe

1 DIRECTIVE 3........................................................

2 AFETY 3...........................................................

3 INTRODUCTION 5...................................................

3.1 Equipment 5................................................................

4 TECHNICALDATA 5.................................................

5 IN TALLATION 6....................................................

5.1 Placing 6...................................................................

5.2 Assem lyofcomponents 6...................................................

5.3 Assem lyofsta ilizer 7......................................................

5.4 Electricalinstallation 7.......................................................

5.5 Mainspowersupply 8........................................................

6 OPERATION 9.......................................................

6.1 Connectionandcontroldevices 9.............................................

6.2 Overheatingprotection 9.....................................................

6.3 Inductanceconnection 9.....................................................

7 MAINTENANCE 10....................................................

7.1 Inspectionandcleaning 10....................................................

8 FAULTTRACING 10...................................................

9 ORDERINGOF PAREPART 10......................................

DIAGRAM 11............................................................

ACCE ORIE 14.......................................................

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320e

1 DIRECTIVE

DECLARATION OF CONFORMITY

ESAB AB, Welding Equipment, SE--695 81 Laxå, Sweden, gives its unreserved guarantee that weld-

ing power source OrigoTM Mig 320 from serial num er 626 complies with standard IEC/EN 60974--1,

in accordance with the requirements of directive (73/23/EEC) and addendum (93/68/EEC) and with

standard IEC/EN 60974--10 in accordance with the requirements of directive (89/336/EEC) and add-

endum (93/68/EEC).

--------------------------------------------------------------------------------------------------------------------------------------

Kent Eim rodt

Glo al Director Equipment and Automation

ESAB AB

695 81 LAXÅ

SWEDEN Tel: + 46 584 81000 Fax: + 46 584 411924

Laxå 2006--09--05

2 AFETY

Users of ESAB welding equipment have the ultimate responsi ility for ensuring that anyone who

works on or near the equipment o serves all the relevant safety precautions. Safety precautions

must meet the requirements that apply to this type of welding equipment. The following recommen-

dations should e o served in addition to the standard regulations that apply to the workplace.

All work must e carried out y 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 e familiar with:

Sits operation

Slocation of emergency stops

Sits function

Srelevant safety precautions

Swelding

2. The operator must ensure that:

Sno unauthorised person is stationed within the working area of the equipment when it is

started up.

Sno--one is unprotected when the arc is struck

3. The workplace must:

Se suita le for the purpose

Se free from draughts

4. Personal safety equipment

SAlways wear recommended personal safety equipment, such as safety glasses, flame--proof

clothing, safety gloves.

SDo not wear loose--fitting items, such as scarves, racelets, rings, etc., which could ecome

trapped or cause urns.

5. General precautions

SMake sure the return ca le is connected securely.

SWork on high voltage equipment may only be carried out by a qualified electrician.

SAppropriate fire extinquishing equipment must e clearly marked and close at hand.

SLu rication and maintenance must not e carried out on the equipment during operation.

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320e

WARNING!

Read and understand the instruction manual

efore installing or operating.

WARNING

READ AND UNDER TAND THE IN TRUCTION MANUAL BEFORE IN TALLING OR OPERATING.

ARC WELDING AND CUTTING CAN BE INJURIOU TO YOUR ELF AND OTHER . TAKE PRECAU-

TION WHEN WELDING. A K FOR YOUR EMPLOYER’ AFETY PRACTICE WHICH HOULD BE

BA ED ON MANUFACTURER ’ HAZARD DATA.

ELECTRIC HOCK -- Can kill

SInstall and earth the welding unit in accordance with applica le standards.

SDo not touch live electrical parts or electrodes with are skin, wet gloves or wet clothing.

SInsulate yourself from earth and the workpiece.

SEnsure your working stance is safe.

FUME AND GA E -- Can be dangerous to health

SKeep your head out of the fumes.

SUse ventilation, extraction at the arc, or oth, to take fumes and gases away from your reathing zone

and the general area.

ARC RAY -- Can injure eyes and burn skin.

SProtect your eyes and ody. Use the correct welding screen and filter lens and wear protective

clothing.

SProtect ystanders with suita le screens or curtains.

FIRE HAZARD

SSparks (spatter) can cause fire. Make sure therefore that there are no inflamma le materials near y.

NOI E -- Excessive noise can damage hearing

SProtect your ears. Use earmuffs or other hearing protection.

SWarn ystanders of the risk.

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

PROTECT YOUR ELF AND OTHER !

Do not use the power source for thawing frozen pipes.

WARNING!

This product is solely intended for arc welding.

Do not dispose of electrical equipment together with normal waste!

In o servance of European Directive 2002/96/EC on Waste Electrical and Electronic

Equipment and its implementation in accordance with national law, electrical equipment

that has reached the end of its life must e collected separately and returned to an

environmentally compati le recycling facility. As the owner of the equipment, you should

get information on approved collection systems from our local representative.

By applying this European Directive you will improve the environment and human health!

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320e

3 INTRODUCTION

The OrigoTM Mig 320 are step switched power sources designed for MIG/MAG--

welding together with wire feed units OrigoTM Feed 302 and the most of ESAB wire

feeders.

The power units are fan--cooled and equipped with thermal overload protection.

The machines can e fitted with an instrument that displays current and voltage.

It incorporates a hold function and can e cali rated.

E AB’s accessories for the product can be found on page 14.

3.1 Equipment

The power source is supplied with:

SReturn ca le 5m with return clamp

SShelf for gas cylinder

SGuide pin for wire feed unit

SInstruction manual

4 TECHNICAL DATA

OrigoTM Mig 320

Voltage 400--415V, 3∼

∼∼

∼50/60 Hz 230/400--415/500V 3∼

∼∼

∼50 Hz

230/440--460 3∼

∼∼

∼60Hz

Permissible load

at100 % duty cycle 195 A/24 V 195 A/24 V

at 60 % duty cycle 250 A/27 V 250 A/27 V

at 30 % duty cycle 320 A/30 V 320 A/30 V

etting range (DC) 40A/16V--320A/30V 40A/16V--320A/30V

Open circuit voltage 16--40 V 16--40 V

Open circuit power 200 W 200 W

Efficiency at max current 75% 75%

Power factor at max current 0,94 0,94

Control voltage 42 V, 50/60 Hz 42 V, 50/60 Hz

Dimensions lxwxh 840 x 425 x 830 840 x 425 x 830

Weight 111 kg 111 kg

Operating temperature --10 to +40oC --10 to +40oC

Enclosure class IP 23 IP 23

Application classification

Duty cycle

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

tain load without overloading.

Enclosure class

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

o jects or water. Equipment marked IP23 is designed for indoor and outdoor use.

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320e

Application class

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

electrical hazard.

5 IN TALLATION

The installation must be executed by a professional.

WARNING!

This product is intended for industrial use. In a domestic environment this product may cause radio

interference. It is the user’s responsi ility to take adequate precautions.

5.1 Placing

Position the welding power source such way that its cooling air inlets and outlets are

not o structed.

5.2 Assembly of components

During transport, the rear wheels of the power source are in their forward position.

Before use, place the wheels in their rear position.

WARNING!

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320e

5.3 Assembly of stabilizer

Assem le the sta ilizer if counter alance is to e installed on machine. The sta ilizer

is an accessory. Ordering num er you can find on page 15.

Attention! Utilization of counter alance without sta ilizer may cause the machine

tipping over.

5.4 Electrical installation

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320e

5.5 Mains power supply

Check that the unit is connected to the correct mains power supply voltage, and that

it is protected y the correct fuse size. A protective earth connection must e made,

in accordance with regulations.

Rating plate with supply connection data

OrigoTM Mig 320 3∼50 Hz 3∼50/60 Hz 3∼50 Hz 3∼60 Hz 3∼60 Hz

Voltage V 230 400/415 500 230 440/460

Current A

at100% duty cycle 16 9 7 16 8

at 60% duty cycle 23 14 10 23 12

at 30% duty cycle 35 20 16 34 18

Cable area mm2

24 x 4 4 x 2,5 4 x 2,5 4 x 4 4 x 2,5

Fuse, slow A 20 16 16 20 16

NB: The mains cable areas and fuse sizes as shown above are in accordance with Swedish

regulations. They may not be applicable in other countries: make sure that the cable area and fuse

sizes comply with the relevant national regulations.

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320e

6 OPERATION

General safety regulations for the handling of the e uipment can be found on

page 3. Read through before you start using the e uipment!

WARNING -- TIPPING RI K!

There is a risk of tipping while transportation and operation, if the welding machine leans

more than 10o. In that case appropriate securing has to e provided !

6.1 Connection and control devices

1Mains supply switch 7Connection for return ca le (--), high induc-

tance

2Switch, precise control 8Connection for return ca le (--), low induc-

tance

3Switch, coarse control 9Connection for welding current ca le (+)

4Indicating lamp, power supply ON 10 Connection for control ca le for wire feeder

5Orange indicating lamp, overheating 11 MCB

6Space for digital meters (optional), see

page 14

6.2 Overheating protection

A thermal overload cutout protects against overheating. The cutout resets automatically

when the unit has cooled.

6.3 Inductance connection

Higher inductance produces a more flowing weld and fewer spatters. Lower inductance

produces a harsher sound and a sta le, concentrated arc.

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320e

7 MAINTENANCE

Regular maintenance is important for safe, reliable operation.

Note!

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.

7.1 Inspection and cleaning

Check regularly that the power source is free from dirt.

The power source should e regularly lown clean using dry compressed air at reduced

pressure. More frequently in dirty environments.

Otherwise the air inlet/outlet may ecome locked and cause overheating. To avoid

this you can use an airfilter.

The airfilter is an accessory. Ordering num er can e found on page 14.

8 FAULT TRACING

Try these recommended checks and inspections before sending for an authorised service technican.

Type of fault Actions

No arc SCheck that the mains power supply switch is turned on.

SCheck that the welding current supply and return ca les are

correctly connected.

SCheck that correct current value is set.

SCheck to see whether the MCB has tripped.

Welding current is interrupted

during welding

SCheck whether the thermal overload trip has operated

(indicated y the orange lamp on the front).

SCheck the main power supply fuses.

Thermal overload trips

operate frequently

SCheck to see whether the air filters are clogged.

SMake sure that you are not exceeding the rated data for the

power source (i.e. that the unit is not eing overloaded).

Poor welding performance SCheck that the welding current supply and return ca les are

correctly connected.

SCheck that the correct current value is set.

SCheck that the correct welding wires are eing used.

SCheck the main power supply fuses.

9 ORDERING OF PARE PART

OrigoTM Mig 320 is designed and tested in accordance with the international and Euro-

pean standards IEC/EN 60974--1 and EN 60974--10. It is the obligation of the service

unit which has carried out the service or repair work to make sure that the product still

conforms to the said standard.

Spare parts may e ordered through your nearest ESAB dealer, see the last page of

this pu lication.

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