GB

Valid for serial no. 3030459 302 001 GB 090901

Autotransformer TUA 1Autotransformer TUA 2

Instruction manual

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Rights reserved to alter specifications without notice.

1 DIRECTIVE 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 SAFETY 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 INTRODUCTION 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.1 Equipment 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4 TECHNICAL DATA 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 INSTALLATION 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.1 Mains power supply 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6 MAINTENANCE 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6.1 Cleaning the air filter 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7 ORDERING OF SPARE PARTS 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ASSEMBLY INSTRUCTIONS 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DIAGRAM 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .CONNECTION INSTRUCTION 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ORDERING NUMBER 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .SPARE PARTS LIST 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ACCESSORIES 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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1 DIRECTIVE

DECLARATION OF CONFORMITYESAB AB, Welding Equipment, SE--695 81 Laxå, Sweden, gives its unreserved guarantee that unitAutotransformer TUA 1, Autotransformer TUA 2 from serial number 303 are constructed and tested incompliance with the standard EN 60974--1 and EN 60974--10 (Class A) in accordance with the re-quirements of directive (2006/95EC) and (2004/108/EEC).--------------------------------------------------------------------------------------------------------------------------------------

Kent EimbrodtGlobal DirectorEquipment and Automation

Laxå 2008--01--05

2 SAFETY

WARNING

Read and understand the instruction manual before installing or operating.

Arc welding and cutting can be injurious to yourself and others. Take precausions when welding.Ask for your employer’s safety practices which should be based on manufacturers’ hazard data.

ELECTRIC SHOCK - Can killS Install and earth the welding unit in accordance with applicable standards.S Do not touch live electrical parts or electrodes with bare skin, wet gloves or wet clothing.S Insulate yourself from earth and the workpiece.S Ensure your working stance is safe.FUMES AND GASES - Can be dangerous to healthS Keep your head out of the fumes.S 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.S Protect your eyes and body. Use the correct welding screen and filter lens and wear protective

clothing.S Protect bystanders with suitable screens or curtains.FIRE HAZARDS Sparks (spatter) can cause fire. Make sure therefore that there are no inflammable materials nearby.NOISE - Excessive noise can damage hearingS Protect your ears. Use earmuffs or other hearing protection.S Warn bystanders of the risk.MALFUNCTION - Call for expert assistance in the event of malfunction.

PROTECT YOURSELF AND OTHERS!

CAUTION!Read and understand the instruction manual beforeinstalling or operating.

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CAUTION!This product is solely intended for arc welding.

CAUTION!Class A equipment is not intended for use in residential locations wherethe electrical power is provided by the public low--voltage supplysystem. There may be potential difficulties in ensuring electromagneticcompatibility of class A equipment in those locations, due to conductedas well as radiated disturbances.

Do not dispose of electrical equipment together with normal waste!In observance of European Directive 2002/96/EC on Waste Electrical and ElectronicEquipment and its implementation in accordance with national law, electrical equipmentthat has reached the end of its life must be collected separately and returned to anenvironmentally compatible recycling facility. As the owner of the equipment, you shouldget information on approved collection systems from our local representative.By applying this European Directive you will improve the environment and humanhealth!

3 INTRODUCTION

Autotransformer TUA 1 and TUA 2 are two autotransformers which can be usedtogether with the most of ESAB welding power sources.

The autotransformer is available in two versions:

S TUA 1 narrow

S TUA 2 wide

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

3.1 Equipment

The autotransformer is supplied complete with instruction manual.

GB

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4 TECHNICAL DATA

NOTE! When the autotransformer is connected to a power source, the technical dataof the autotransformer applies.

Autotransformer TUA 1 Autotransformer TUA 2

Mains voltage 208/230/400/460/475/500/575V,�10%, 3� 50/60 Hz

208/230/400/460/475/500/575V,�10%, 3� 50/60 Hz

Primary currentImax 85/77/43/38/37/35/30 A 85/77/43/38/37/35/30 A

Continual A--weighted soundpressure

<70 db <70 db

Dimensioners lxwxh 614 x 289 x 266 mm 621 x 389 x 266 mm

Weight 67 kg 80 kg

Insulaion class H H

Enclosure class IP 23 IP 23

Enclosure classThe IP code indicates the enclosure class, i. e. the degree of protection against penetration by solidobjects or water. Equipment marked IP23 is designed for indoor and outdoor use.

5 INSTALLATION

The installation must be executed by a professional.

See assembly instruction on page 8.

See connection instruction on page 10.

CAUTION!This product is intended for industrial use. In a domestic environment this product maycause radio interference. It is the user’s responsibility to take adequate precautions.

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5.1 Mains power supply

B Mains cabel from the welding power source.

A Mains connection.

Check that the autotransformer is connected to thecorrect mains power supply voltage, and that it isprotected by the correct fuse size. A protective earthconnection must be made, in accordance withregulations.

Rating plate with supply connection data

Recommended fuse sizes and minimum cable areasAutotransformer 60 Hz 50/60 Hz 50 Hz 60 Hz 60 Hz 50 Hz 60 Hz

Mains voltage 208 V 230 V 400 V 460 V 475 V 500 V 575 VMains cable area, mm2 4G10 4G10 4G4 4G4 4G4 2.5G4 2.5G4Phase current, I RMS 59A 54 A 30 A 27 A 26 A 25 A 22 AFuseAnti--surgeType C MCB

63 A63 A

63 A63 A

35 A50 A

35 A32 A

35 A32 A

35 A32 A

25 A32 A

NB! The mains cable areas and fuse sizes as shown above are in accordance with Swedishregulations. They may not be applicable in other countries: make sure that the cable area and fusesizes comply with the relevant national regulations.

6 MAINTENANCEGeneral safety regulations for the handling of the equipment can be found onpage 3. Read through before you start using the equipment!

Regular maintenance is important for safe, reliable operation.

Only those persons who have appropriate electrical knowledge (authorizedpersonnel) may remove the safety plates.

CAUTION!All guarantee undertakings from the supplier cease to apply if the customer himselfattempts any work in the product during the guarantee period in order to rectify any faults.

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6.1 Cleaning the air filter

S Release the cover plate with thedust filter (1).

S Swing out the cover plate (2).

S Remove the dust filter (3).

S Blow it clean with compressed air atreduced pressure.

S Replace the filter the finer mesh on the side against the cover plate (2).

S Refit the cover plate with the filter.

7 ORDERING OF SPARE PARTS

Repair and electrical work should be performed by an authorized ESAB serviceman.Use only ESAB original spare and wear parts.

Autotransformer TUA 1 / Autotransformer TUA 2 is designed and tested in accordancewith the international and European standards IEC/EN 60974--1 and EN 60974--10. It isthe obligation of the service unit which has carried out the service or repair work tomake sure that the product still conforms to the said standard.

Spare parts may be ordered through your nearest ESAB dealer, see the last page ofthis publication.

GB

Assembly instructions

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8

Diagram

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Connection instruction

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Autotransformer TUA1, Autotransformer TUA 2

Edition 090901

Ordering number

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1.

Ordering no. Denomination

0459 144 880 Autotransformer TUA 1 Narrow0459 145 880 Autotransformer TUA 2 Wide

0459 302 990 Spare part list

The spare parts list is available on the Internet at www.esab.com

Autotransformer TUA1, Autotransformer TUA 2

Edition 090901

Spare parts list

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Item Ordering no. Denomination

1 0458 398 001 Filter

2 0458 383 001 Front grill

Autotransformer TUA1, Autotransformer TUA 2

Edition 090901

Accessories

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Handle (1 piece) with mounting screwsNarrow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Wide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0459 307 8800459 307 881

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ESAB ABSE--695 81 LAXÅSWEDENPhone +46 584 81 000

www.esab.com

081016

ESAB subsidiaries and representative offices

EuropeAUSTRIAESAB Ges.m.b.HVienna--LiesingTel: +43 1 888 25 11Fax: +43 1 888 25 11 85

BELGIUMS.A. ESAB N.V.BrusselsTel: +32 2 745 11 00Fax: +32 2 745 11 28

THE CZECH REPUBLICESAB VAMBERK s.r.o.VamberkTel: +420 2 819 40 885Fax: +420 2 819 40 120

DENMARKAktieselskabet ESABHerlevTel: +45 36 30 01 11Fax: +45 36 30 40 03

FINLANDESAB OyHelsinkiTel: +358 9 547 761Fax: +358 9 547 77 71

FRANCEESAB France S.A.Cergy PontoiseTel: +33 1 30 75 55 00Fax: +33 1 30 75 55 24

GERMANYESAB GmbHSolingenTel: +49 212 298 0Fax: +49 212 298 218

GREAT BRITAINESAB Group (UK) LtdWaltham CrossTel: +44 1992 76 85 15Fax: +44 1992 71 58 03

ESAB Automation LtdAndoverTel: +44 1264 33 22 33Fax: +44 1264 33 20 74

HUNGARYESAB KftBudapestTel: +36 1 20 44 182Fax: +36 1 20 44 186

ITALYESAB Saldatura S.p.A.Mesero (Mi)Tel: +39 02 97 96 81Fax: +39 02 97 28 91 81

THE NETHERLANDSESAB Nederland B.V.AmersfoortTel: +31 33 422 35 55Fax: +31 33 422 35 44

NORWAYAS ESABLarvikTel: +47 33 12 10 00Fax: +47 33 11 52 03

POLANDESAB Sp.zo.o.KatowiceTel: +48 32 351 11 00Fax: +48 32 351 11 20

PORTUGALESAB LdaLisbonTel: +351 8 310 960Fax: +351 1 859 1277

SLOVAKIAESAB Slovakia s.r.o.BratislavaTel: +421 7 44 88 24 26Fax: +421 7 44 88 87 41

SPAINESAB Ibérica S.A.Alcalá de Henares (MADRID)Tel: +34 91 878 3600Fax: +34 91 802 3461

SWEDENESAB Sverige ABGothenburgTel: +46 31 50 95 00Fax: +46 31 50 92 22

ESAB international ABGothenburgTel: +46 31 50 90 00Fax: +46 31 50 93 60

SWITZERLANDESAB AGDietikonTel: +41 1 741 25 25Fax: +41 1 740 30 55

North and South AmericaARGENTINACONARCOBuenos AiresTel: +54 11 4 753 4039Fax: +54 11 4 753 6313

BRAZILESAB S.A.Contagem--MGTel: +55 31 2191 4333Fax: +55 31 2191 4440

CANADAESAB Group Canada Inc.Missisauga, OntarioTel: +1 905 670 02 20Fax: +1 905 670 48 79

MEXICOESAB Mexico S.A.MonterreyTel: +52 8 350 5959Fax: +52 8 350 7554

USAESAB Welding & Cutting ProductsFlorence, SCTel: +1 843 669 44 11Fax: +1 843 664 57 48

Asia/PacificCHINAShanghai ESAB A/PShanghaiTel: +86 21 2326 3000Fax: +86 21 6566 6622

INDIAESAB India LtdCalcuttaTel: +91 33 478 45 17Fax: +91 33 468 18 80

INDONESIAP.T. ESABindo PratamaJakartaTel: +62 21 460 0188Fax: +62 21 461 2929

JAPANESAB JapanTokyoTel: +81 45 670 7073Fax: +81 45 670 7001

MALAYSIAESAB (Malaysia) Snd BhdUSJTel: +603 8023 7835Fax: +603 8023 0225

SINGAPOREESAB Asia/Pacific Pte LtdSingaporeTel: +65 6861 43 22Fax: +65 6861 31 95

SOUTH KOREAESAB SeAH CorporationKyungnamTel: +82 55 269 8170Fax: +82 55 289 8864

UNITED ARAB EMIRATESESAB Middle East FZEDubaiTel: +971 4 887 21 11Fax: +971 4 887 22 63

Representative officesBULGARIAESAB Representative OfficeSofiaTel/Fax: +359 2 974 42 88

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RUSSIALLC ESABMoscowTel: +7 095 543 9281Fax: +7 095 543 9280

LLC ESABSt PetersburgTel: +7 812 336 7080Fax: +7 812 336 7060

DistributorsFor addresses and phonenumbers to our distributors inother countries, please visit ourhome page

www.esab.com