ESAB Plasma Cutting Power Supply FP-55 Manuel utilisateur

Marque: ESAB

Modèle: Plasma Cutting Power Supply FP-55

Catégorie: Système de soudage

Taper: Manuel utilisateur

Ce manuel convient également à

Plasma Cutting Power Supply Firepower FP-55

Operating Manual

A-02766

Plasma Cutting

Power Supply

Firepower FP-55

April 4, 2003 Manual No. 0-2846

Plasma Cutting Power Supply

Firepower 55 (FP-55)

Operating Manual Number 0-2846

www.firepoweronline.com

Published by:

Thermal Dynamics Corporation

82 Benning Street

West Lebanon, New Hampshire, USA 03784

(603) 298-5711

Thermal Dynamics Corporation

Reproduction of this work, in whole or in part, without written per-

mission of the publisher is prohibited.

The publisher does not assume and hereby disclaims any liability to

any party for any loss or damage caused by any error or omission in

this Manual, whether such error results from negligence, accident, or

any other cause.

Printed in the United States of America

Publication Date: April 4, 2003

Record the following information for Warranty purposes:

Where Purchased: _______________________________________

Purchase Date: _______________________________________

Power Supply Serial #: _______________________________________

Torch Serial #: _______________________________________

WARNINGS

Read and understand this entire Manual and your employer’s safety practices before installing, oper-

ating, or servicing the equipment.

While the information contained in this Manual represents the Manufacturer's best judgement, the

Manufacturer assumes no liability for its use.

TABLE OF CONTENTS

SECTION 1:

GENERAL INFORMATION ............................................................................................... 1-1

1.01 Notes, Cautions and Warnings ..................................................................... 1-1

1.02 Important Safety Precautions ....................................................................... 1-1

1.03 Publications.................................................................................................. 1-2

1.04 Note, Attention et Avertissement .................................................................. 1-3

1.05 Precautions De Securite Importantes........................................................... 1-3

1.06 Documents De Reference............................................................................ 1-5

1.07 Declaration of Conformity............................................................................. 1-7

1.08 Statement of Warranty.................................................................................. 1-8

SECTION 2:

INTRODUCTION .............................................................................................................. 2-1

2.01 Scope of Manual .......................................................................................... 2-1

2.02 General Description ..................................................................................... 2-1

2.03 Specifications/Design Features .................................................................... 2-1

2.04 Power Supply Options.................................................................................. 2-2

SECTION 3:

INSTALLATION PROCEDURES ....................................................................................... 3-1

3.01 Introduction .................................................................................................. 3-1

3.02 Site Selection ............................................................................................... 3-1

3.03 Unpacking .................................................................................................... 3-1

3.04 Lifting Options .............................................................................................. 3-1

3.05 Primary Input Power Connections ................................................................ 3-2

3.06 Gas Connections ......................................................................................... 3-2

3.07 Torch Connections ....................................................................................... 3-3

3.08 Ground Connections For Mechanized Applications ...................................... 3-4

SECTION 4:

OPERATION ..................................................................................................................... 4-1

4.01 Introduction ................................................................................................. 4-1

4.02 Functional Overview.................................................................................... 4-1

4.03 Operating Controls ...................................................................................... 4-1

4.04 Preparations For Operating ......................................................................... 4-2

4.05 Sequence of Operation................................................................................ 4-3

TABLE OF CONTENTS (continued)

SECTION 5:

CUSTOMER/OPERATOR SERVICE................................................................................. 5-1

5.01 Introduction .................................................................................................. 5-1

5.02 General Maintenance ................................................................................... 5-1

5.03 Common Faults............................................................................................ 5-2

5.04 Basic Troubleshooting Guide ........................................................................ 5-3

5.05 Power Supply Basic Parts Replacement ...................................................... 5-5

SECTION 6:

PARTS LISTS.................................................................................................................... 6-1

6.01 Introduction .................................................................................................. 6-1

6.02 Ordering Information .................................................................................... 6-1

6.03 Power Supply Replacement ......................................................................... 6-2

6.04 Replacement Parts....................................................................................... 6-2

6.05 Optional Equipment...................................................................................... 6-2

APPENDIX 1: INPUT WIRING REQUIREMENTS ....................................................................A-1

APPENDIX 2: SEQUENCE OF OPERATION (BLOCK DIAGRAM) .........................................A-2

APPENDIX 3: MAINTENANCE SCHEDULE ............................................................................A-3

APPENDIX 4: SYSTEM SCHEMATIC.......................................................................................A-4

Date: 5/1/00 (Special) 1-1 GENERAL INFORMATION

SECTION 1:

GENERAL INFORMATION

1.01 Notes, Cautions and Warnings

Throughout this manual, notes, cautions, and warnings

are used to highlight important information. These high-

lights are categorized as follows:

NOTE

An operation, procedure, or background informa-

tion which requires additional emphasis or is help-

ful in efficient operation of the system.

CAUTION

A procedure which, if not properly followed, may

cause damage to the equipment.

WARNING

A procedure which, if not properly followed, may

cause injury to the operator or others in the oper-

ating area.

1.02 Important Safety Precautions

WARNINGS

OPERATION AND MAINTENANCE OF

PLASMA ARC EQUIPMENT CAN BE DAN-

GEROUS AND HAZARDOUS TO YOUR

HEALTH.

Plasma arc cutting produces intense electric and

magnetic emissions that may interfere with the

proper function of cardiac pacemakers, hearing

aids, or other electronic health equipment. Per-

sons who work near plasma arc cutting applica-

tions should consult their medical health profes-

sional and the manufacturer of the health

equipment to determine whether a hazard exists.

To prevent possible injury, read, understand and

follow all warnings, safety precautions and in-

structions before using the equipment. Call 1-603-

298-5711 or your local distributor if you have any

questions.

GASES AND FUMES

Gases and fumes produced during the plasma cutting

process can be dangerous and hazardous to your health.

• Keep all fumes and gases from the breathing area.

Keep your head out of the welding fume plume.

• Use an air-supplied respirator if ventilation is not

adequate to remove all fumes and gases.

• The kinds of fumes and gases from the plasma arc

depend on the kind of metal being used, coatings

on the metal, and the different processes. You must

be very careful when cutting or welding any met-

als which may contain one or more of the follow-

ing:

Antimony Chromium Mercury

Arsenic Cobalt Nickel

Barium Copper Selenium

Beryllium Lead Silver

Cadmium Manganese Vanadium

• Always read the Material Safety Data Sheets

(MSDS) that should be supplied with the material

you are using. These MSDSs will give you the in-

formation regarding the kind and amount of fumes

and gases that may be dangerous to your health.

• For information on how to test for fumes and gases

in your workplace, refer to item 1 in Subsection 1.03,

Publications in this manual.

• Use special equipment, such as water or down draft

cutting tables, to capture fumes and gases.

• Do not use the plasma torch in an area where com-

bustible or explosive gases or materials are located.

• Phosgene, a toxic gas, is generated from the vapors

of chlorinated solvents and cleansers. Remove all

sources of these vapors.

• This product, when used for welding or cutting,

produces fumes or gases which contain chemicals

known to the State of California to cause birth de-

fects and, in some cases, cancer. (California Health

& Safety Code Sec. 25249.5 et seq.)

ELECTRIC SHOCK

Electric Shock can injure or kill. The plasma arc process

uses and produces high voltage electrical energy. This

electric energy can cause severe or fatal shock to the op-

erator or others in the workplace.

• Never touch any parts that are electrically “live”

or “hot.”

GENERAL INFORMATION 1-2 Date 5/1/00 (Special)

• Wear dry gloves and clothing. Insulate yourself

from the work piece or other parts of the welding

circuit.

• Repair or replace all worn or damaged parts.

• Extra care must be taken when the workplace is

moist or damp.

• Install and maintain equipment according to NEC

code, refer to item 9 in Subsection 1.03, Publica-

tions.

• Disconnect power source before performing any

service or repairs.

• Read and follow all the instructions in the Operat-

ing Manual.

FIRE AND EXPLOSION

Fire and explosion can be caused by hot slag, sparks, or

the plasma arc.

• Be sure there is no combustible or flammable ma-

terial in the workplace. Any material that cannot

be removed must be protected.

• Ventilate all flammable or explosive vapors from

the workplace.

• Do not cut or weld on containers that may have

held combustibles.

• Provide a fire watch when working in an area where

fire hazards may exist.

• Hydrogen gas may be formed and trapped under

aluminum workpieces when they are cut under-

water or while using a water table. DO NOT cut

aluminum alloys underwater or on a water table

unless the hydrogen gas can be eliminated or dis-

sipated. Trapped hydrogen gas that is ignited will

cause an explosion.

NOISE

Noise can cause permanent hearing loss. Plasma arc pro-

cesses can cause noise levels to exceed safe limits. You

must protect your ears from loud noise to prevent per-

manent loss of hearing.

• To protect your hearing from loud noise, wear pro-

tective ear plugs and/or ear muffs. Protect others

in the workplace.

• Noise levels should be measured to be sure the deci-

bels (sound) do not exceed safe levels.

• For information on how to test for noise, see item 1

in Subsection 1.03, Publications, in this manual.

PLASMA ARC RAYS

Plasma Arc Rays can injure your eyes and burn your skin.

The plasma arc process produces very bright ultra violet

and infra red light. These arc rays will damage your

eyes and burn your skin if you are not properly protected.

• To protect your eyes, always wear a welding hel-

met or shield. Also always wear safety glasses with

side shields, goggles or other protective eye wear.

• Wear welding gloves and suitable clothing to pro-

tect your skin from the arc rays and sparks.

• Keep helmet and safety glasses in good condition.

Replace lenses when cracked, chipped or dirty.

• Protect others in the work area from the arc rays.

Use protective booths, screens or shields.

• Use the shade of lens as suggested in the following

per ANSI/ASC Z49.1:

Minimum Protective Suggested

Arc Current Shade No. Shade No.

Less Than 300* 8 9

300 - 400* 9 12

400 - 800* 10 14

* These values apply where the actual arc is

clearly seen. Experience has shown that lighter

filters may be used when the arc is hidden by the

workpiece.

1.03 Publications

Refer to the following standards or their latest revisions

for more information:

1. OSHA, SAFETY AND HEALTH STANDARDS,

29CFR 1910, obtainable from the Superintendent

of Documents, U.S. Government Printing Office,

Washington, D.C. 20402

2. ANSI Standard Z49.1, SAFETY IN WELDING

AND CUTTING, obtainable from the American

Welding Society, 550 N.W. LeJeune Rd, Miami, FL

33126

3. NIOSH, SAFETY AND HEALTH IN ARC WELD-

ING AND GAS WELDING AND CUTTING, ob-

tainable from the Superintendent of Documents,

U.S. Government Printing Office, Washington,

D.C. 20402

4. ANSI Standard Z87.1, SAFE PRACTICES FOR

OCCUPATION AND EDUCATIONAL EYE AND

FACE PROTECTION, obtainable from American

National Standards Institute, 1430 Broadway,

New York, NY 10018

Date: 5/1/00 (Special) 1-3 GENERAL INFORMATION

5. ANSI Standard Z41.1, STANDARD FOR MEN’S

SAFETY-TOE FOOTWEAR, obtainable from the

American National Standards Institute, 1430

Broadway, New York, NY 10018

6. ANSI Standard Z49.2, FIRE PREVENTION IN

THE USE OF CUTTING AND WELDING PRO-

CESSES, obtainable from American National Stan-

dards Institute, 1430 Broadway, New York, NY

10018

7. AWS Standard A6.0, WELDING AND CUTTING

CONTAINERS WHICH HAVE HELD COMBUS-

TIBLES, obtainable from American Welding Soci-

ety, 550 N.W. LeJeune Rd, Miami, FL 33126

8. NFPA Standard 51, OXYGEN-FUEL GAS SYS-

TEMS FOR WELDING, CUTTING AND ALLIED

PROCESSES, obtainable from the National Fire

Protection Association, Batterymarch Park,

Quincy, MA 02269

9. NFPA Standard 70, NATIONAL ELECTRICAL

CODE, obtainable from the National Fire Protec-

tion Association, Batterymarch Park, Quincy, MA

02269

10. NFPA Standard 51B, CUTTING AND WELDING

PROCESSES, obtainable from the National Fire

Protection Association, Batterymarch Park,

Quincy, MA 02269

11. CGA Pamphlet P-1, SAFE HANDLING OF COM-

PRESSED GASES IN CYLINDERS, obtainable

from the Compressed Gas Association, 1235

Jefferson Davis Highway, Suite 501, Arlington, VA

22202

12. CSA Standard W117.2, CODE FOR SAFETY IN

WELDING AND CUTTING, obtainable from the

Canadian Standards Association, Standards Sales,

178 Rexdale Boulevard, Rexdale, Ontario, Canada

M9W 1R3

13. NWSA booklet, WELDING SAFETY BIBLIOGRA-

PHY obtainable from the National Welding Sup-

ply Association, 1900 Arch Street, Philadelphia, PA

19103

14. American Welding Society Standard AWSF4.1,

RECOMMENDED SAFE PRACTICES FOR THE

PREPARATION FOR WELDING AND CUTTING

OF CONTAINERS AND PIPING THAT HAVE

HELD HAZARDOUS SUBSTANCES, obtainable

from the American Welding Society, 550 N.W.

LeJeune Rd, Miami, FL 33126

15. ANSI Standard Z88.2, PRACTICE FOR RESPIRA-

TORY PROTECTION, obtainable from American

National Standards Institute, 1430 Broadway, New

York, NY 10018

1.04 Note, Attention et

Avertissement

Dans ce manuel, les mots “note,” “attention,” et

“avertissement” sont utilisés pour mettre en relief des

informations à caractère important. Ces mises en relief

sont classifiées comme suit :

NOTE

Toute opération, procédure ou renseignement

général sur lequel il importe d’insister davantage

ou qui contribue à l’efficacité de fonctionnement

du système.

ATTENTION

Toute procédure pouvant résulter

l’endommagement du matériel en cas de non-

respect de la procédure en question.

AVERTISSEMENT

Toute procédure pouvant provoquer des blessures

de l’opérateur ou des autres personnes se trouvant

dans la zone de travail en cas de non-respect de la

procédure en question.

1.05 Precautions De Securite

Importantes

AVERTISSEMENTS

L’OPÉRATION ET LA MAINTENANCE DU

MATÉRIEL DE SOUDAGE À L’ARC AU JET

DE PLASMA PEUVENT PRÉSENTER DES

RISQUES ET DES DANGERS DE SANTÉ.

Coupant à l’arc au jet de plasma produit de l’énergie

électrique haute tension et des émissions

magnétique qui peuvent interférer la fonction

propre d’un “pacemaker” cardiaque, les appareils

auditif, ou autre matériel de santé electronique.

Ceux qui travail près d’une application à l’arc au

jet de plasma devrait consulter leur membre

professionel de médication et le manufacturier de

matériel de santé pour déterminer s’il existe des

risques de santé.

Il faut communiquer aux opérateurs et au person-

nel TOUS les dangers possibles. Afin d’éviter les

blessures possibles, lisez, comprenez et suivez tous

GENERAL INFORMATION 1-4 Date 5/1/00 (Special)

les avertissements, toutes les précautions de sécurité

et toutes les consignes avant d’utiliser le matériel.

Composez le + 603-298-5711 ou votre distributeur

local si vous avez des questions.

FUMÉE et GAZ

La fumée et les gaz produits par le procédé de jet de

plasma peuvent présenter des risques et des dangers de

santé.

• Eloignez toute fumée et gaz de votre zone de respi-

ration. Gardez votre tête hors de la plume de fumée

provenant du chalumeau.

• Utilisez un appareil respiratoire à alimentation en

air si l’aération fournie ne permet pas d’éliminer la

fumée et les gaz.

• Les sortes de gaz et de fumée provenant de l’arc de

plasma dépendent du genre de métal utilisé, des

revêtements se trouvant sur le métal et des différents

procédés. Vous devez prendre soin lorsque vous

coupez ou soudez tout métal pouvant contenir un

ou plusieurs des éléments suivants:

antimoine cadmium mercure

argent chrome nickel

arsenic cobalt plomb

baryum cuivre sélénium

béryllium manganèse vanadium

• Lisez toujours les fiches de données sur la sécurité

des matières (sigle américain “MSDS”); celles-ci

devraient être fournies avec le matériel que vous

utilisez. Les MSDS contiennent des renseignements

quant à la quantité et la nature de la fumée et des

gaz pouvant poser des dangers de santé.

• Pour des informations sur la manière de tester la

fumée et les gaz de votre lieu de travail, consultez

l’article 1 et les documents cités à la page 5.

• Utilisez un équipement spécial tel que des tables

de coupe à débit d’eau ou à courant descendant

pour capter la fumée et les gaz.

• N’utilisez pas le chalumeau au jet de plasma dans

une zone où se trouvent des matières ou des gaz

combustibles ou explosifs.

• Le phosgène, un gaz toxique, est généré par la fumée

provenant des solvants et des produits de nettoyage

chlorés. Eliminez toute source de telle fumée.

• Ce produit, dans le procéder de soudage et de

coupe, produit de la fumée ou des gaz pouvant

contenir des éléments reconnu dans L’ état de la

Californie, qui peuvent causer des défauts de

naissance et le cancer. (La sécurité de santé en

Californie et la code sécurité Sec. 25249.5 et seq.)

CHOC ELECTRIQUE

Les chocs électriques peuvent blesser ou même tuer. Le

procédé au jet de plasma requiert et produit de l’énergie

électrique haute tension. Cette énergie électrique peut

produire des chocs graves, voire mortels, pour l’opérateur

et les autres personnes sur le lieu de travail.

• Ne touchez jamais une pièce “sous tension” ou

“vive”; portez des gants et des vêtements secs.

Isolez-vous de la pièce de travail ou des autres par-

ties du circuit de soudage.

• Réparez ou remplacez toute pièce usée ou

endommagée.

• Prenez des soins particuliers lorsque la zone de tra-

vail est humide ou moite.

• Montez et maintenez le matériel conformément au

Code électrique national des Etats-Unis. (Voir la

page 5, article 9.)

• Débranchez l’alimentation électrique avant tout tra-

vail d’entretien ou de réparation.

• Lisez et respectez toutes les consignes du Manuel

de consignes.

INCENDIE ET EXPLOSION

Les incendies et les explosions peuvent résulter des scories

chaudes, des étincelles ou de l’arc de plasma. Le procédé

à l’arc de plasma produit du métal, des étincelles, des

scories chaudes pouvant mettre le feu aux matières com-

bustibles ou provoquer l’explosion de fumées

inflammables.

• Soyez certain qu’aucune matière combustible ou in-

flammable ne se trouve sur le lieu de travail.

Protégez toute telle matière qu’il est impossible de

retirer de la zone de travail.

• Procurez une bonne aération de toutes les fumées

inflammables ou explosives.

• Ne coupez pas et ne soudez pas les conteneurs ayant

pu renfermer des matières combustibles.

• Prévoyez une veille d’incendie lors de tout travail

dans une zone présentant des dangers d’incendie.

• Le gas hydrogène peut se former ou s’accumuler

sous les pièces de travail en aluminium lorsqu’elles

sont coupées sous l’eau ou sur une table d’eau. NE

PAS couper les alliages en aluminium sous l’eau ou

sur une table d’eau à moins que le gas hydrogène

peut s’échapper ou se dissiper. Le gas hydrogène

accumulé explosera si enflammé.

Date: 5/1/00 (Special) 1-5 GENERAL INFORMATION

RAYONS D’ARC DE PLASMA

Les rayons provenant de l’arc de plasma peuvent blesser

vos yeux et brûler votre peau. Le procédé à l’arc de plasma

produit une lumière infra-rouge et des rayons ultra-vio-

lets très forts. Ces rayons d’arc nuiront à vos yeux et

brûleront votre peau si vous ne vous protégez pas

correctement.

• Pour protéger vos yeux, portez toujours un casque

ou un écran de soudeur. Portez toujours des lunettes

de sécurité munies de parois latérales ou des lu-

nettes de protection ou une autre sorte de protec-

tion oculaire.

• Portez des gants de soudeur et un vêtement

protecteur approprié pour protéger votre peau

contre les étincelles et les rayons de l’arc.

• Maintenez votre casque et vos lunettes de protec-

tion en bon état. Remplacez toute lentille sale ou

comportant fissure ou rognure.

• Protégez les autres personnes se trouvant sur la zone

de travail contre les rayons de l’arc en fournissant

des cabines ou des écrans de protection.

• Utilisez la nuance de lentille qui est suggèrée dans

le recommendation qui suivent ANSI/ASC Z49.1:

Nuance Minimum Nuance Suggerée

Courant Arc Protective Numéro Numéro

Moins de 300* 8 9

300 - 400* 9 12

400 - 800* 10 14

* Ces valeurs s’appliquent ou l’arc actuel est observé

clairement. L’experience a démontrer que les filtres

moins foncés peuvent être utilisés quand l’arc est

caché par moiceau de travail.

BRUIT

Le bruit peut provoquer une perte permanente de l’ouïe.

Les procédés de soudage à l’arc de plasma peuvent

provoquer des niveaux sonores supérieurs aux limites

normalement acceptables. Vous dú4ez vous protéger les

oreilles contre les bruits forts afin d’éviter une perte

permanente de l’ouïe.

• Pour protéger votre ouïe contre les bruits forts,

portez des tampons protecteurs et/ou des protec-

tions auriculaires. Protégez également les autres

personnes se trouvant sur le lieu de travail.

• Il faut mesurer les niveaux sonores afin d’assurer

que les décibels (le bruit) ne dépassent pas les

niveaux sûrs.

• Pour des renseignements sur la manière de tester le

bruit, consultez l’article 1, page 5.

1.06 Documents De Reference

Consultez les normes suivantes ou les révisions les plus

récentes ayant été faites à celles-ci pour de plus amples

renseignements :

1. OSHA, NORMES DE SÉCURITÉ DU TRAVAIL ET

DE PROTECTION DE LA SANTÉ, 29CFR 1910,

disponible auprès du Superintendent of Docu-

ments, U.S. Government Printing Office, Washing-

ton, D.C. 20402

2. Norme ANSI Z49.1, LA SÉCURITÉ DES

OPÉRATIONS DE COUPE ET DE SOUDAGE,

disponible auprès de la Société Américaine de

Soudage (American Welding Society), 550 N.W.

LeJeune Rd., Miami, FL 33126

3. NIOSH, LA SÉCURITÉ ET LA SANTÉ LORS DES

OPÉRATIONS DE COUPE ET DE SOUDAGE À

L’ARC ET AU GAZ, disponible auprès du Super-

intendent of Documents, U.S. Government Print-

ing Office, Washington, D.C. 20402

4. Norme ANSI Z87.1, PRATIQUES SURES POUR

LA PROTECTION DES YEUX ET DU VISAGE AU

TRAVAIL ET DANS LES ECOLES, disponible de

l’Institut Américain des Normes Nationales

(American National Standards Institute), 1430

Broadway, New York, NY 10018

5. Norme ANSI Z41.1, NORMES POUR LES

CHAUSSURES PROTECTRICES, disponible

auprès de l’American National Standards Institute,

1430 Broadway, New York, NY 10018

6. Norme ANSI Z49.2, PRÉVENTION DES

INCENDIES LORS DE L’EMPLOI DE PROCÉDÉS

DE COUPE ET DE SOUDAGE, disponible auprès

de l’American National Standards Institute, 1430

Broadway, New York, NY 10018

7. Norme A6.0 de l’Association Américaine du

Soudage (AWS), LE SOUDAGE ET LA COUPE DE

CONTENEURS AYANT RENFERMÉ DES

PRODUITS COMBUSTIBLES, disponible auprès

de la American Welding Society, 550 N.W. LeJeune

Rd., Miami, FL 33126

8. Norme 51 de l’Association Américaine pour la Pro-

tection contre les Incendies (NFPA), LES

SYSTEMES À GAZ AVEC ALIMENTATION EN

OXYGENE POUR LE SOUDAGE, LA COUPE ET

LES PROCÉDÉS ASSOCIÉS, disponible auprès de

la National Fire Protection Association,

Batterymarch Park, Quincy, MA 02269

GENERAL INFORMATION 1-6 Date 5/1/00 (Special)

9. Norme 70 de la NFPA, CODE ELECTRIQUE

NATIONAL, disponible auprès de la National

Fire Protection Association, Batterymarch Park,

Quincy, MA 02269

10. Norme 51B de la NFPA, LES PROCÉDÉS DE

COUPE ET DE SOUDAGE, disponible auprès

de la National Fire Protection Association,

Batterymarch Park, Quincy, MA 02269

11. Brochure GCA P-1, LA MANIPULATION SANS

RISQUE DES GAZ COMPRIMÉS EN

CYLINDRES, disponible auprès de l’Association

des Gaz Comprimés (Compressed Gas Associa-

tion), 1235 Jefferson Davis Highway, Suite 501,

Arlington, VA 22202

12. Norme CSA W117.2, CODE DE SÉCURITÉ

POUR LE SOUDAGE ET LA COUPE, disponible

auprès de l’Association des Normes

Canadiennes, Standards Sales, 178 Rexdale Bou-

levard, Rexdale, Ontario, Canada, M9W 1R3

13. Livret NWSA, BIBLIOGRAPHIE SUR LA

SÉCURITÉ DU SOUDAGE, disponible auprès de

l’Association Nationale de Fournitures de

Soudage (National Welding Supply Association),

1900 Arch Street, Philadelphia, PA 19103

14. Norme AWSF4.1 de l’Association Américaine de

Soudage, RECOMMANDATIONS DE PRA-

TIQUES SURES POUR LA PRÉPARATION À LA

COUPE ET AU SOUDAGE DE CONTENEURS

ET TUYAUX AYANT RENFERMÉ DES

PRODUITS DANGEREUX , disponible auprès

de la American Welding Society, 550 N.W.

LeJeune Rd., Miami, FL 33126

15. Norme ANSI Z88.2, PRATIQUES DE PROTEC-

TION RESPIRATOIRE, disponible auprès de

l’American National Standards Institute, 1430

Broadway, New York, NY 10018

Date: 5/1/00 (Special) 1-7 GENERAL INFORMATION

1.07 Declaration of Conformity

Manufacturer: Thermal Dynamics Corporation

Address: Industrial Park #2

West Lebanon, New Hampshire 03784

USA

The equipment described in this manual conforms to all applicable aspects and regulations of the ‘Low Voltage Direc-

tive’ (European Council Directive 73/23/EEC as amended by Council Directive 93/68/EEC) and to the National

legislation for the enforcement of this Directive.

Serial numbers are unique with each individual piece of equipment and details description, parts used to manufacture

a unit and date of manufacture.

National Standard and Technical Specifications

The product is designed and manufactured to a number of standards and technical requirements among them are:

* CSA (Canadian Standards Association) standard C22.2 number 60 for Arc welding equipment.

* UL (Underwriters Laboratory) rating 94VO flammability testing for all printed-circuit boards used.

* ISO/IEC 60974-1 (BS 638-PT10) (EN 60 974-1) (EN50192) (EN50078) applicable to plasma cutting equipment and associ-

ated accessories.

* Extensive product design verification is conducted at the manufacturing facility as part of the routine design and

manufacturing process. This is to ensure the product is safe, when used according to instructions in this manual and

related industry standards, and performs as specified. Rigorous testing is incorporated into the manufacturing

process to ensure the manufactured product meets or exceeds all design specifications.

Thermal Dynamics has been manufacturing products for more than 30 years, and will continue to achieve excellence in our

area of manufacture.

Manufacturers responsible representative: Giorgio Bassi

Managing Director

Thermal Dynamics Europe

Via rio Fabbiani 8A

40067 Rastignano (BO)

Italy

GENERAL INFORMATION 1-8 Date 5/1/00 (Special)

1.08 Statement of Warranty

LIMITED WARRANTY: Firepower® (hereinafter “Firepower”) warrants that its products will be free of defects in workmanship or

material. Should any failure to conform to this warranty appear within the time period applicable to the Firepower products as stated

below, Firepower shall, upon notification thereof and substantiation that the product has been stored, installed, operated, and maintained

in accordance with Firepower’s specifications, instructions, recommendations and recognized standard industry practice, and not subject

to misuse, repair, neglect, alteration, or accident, correct such defects by suitable repair or replacement, at Firepower’s sole option, of

any components or parts of the product determined by Firepower to be defective.

THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A

PARTICULAR PURPOSE.

LIMITATION OF LIABILITY: Firepower shall not under any circumstances be liable for special or consequential damages, such as, but

not limited to, damage or loss of purchased or replacement goods, or claims of customers of distributor (hereinafter “Purchaser”) for

service interruption. The remedies of the Purchaser set forth herein are exclusive and the liability of Firepower with respect to any

contract, or anything done in connection therewith such as the performance or breach thereof, or from the manufacture, sale, delivery,

resale, or use of any goods covered by or furnished by Firepower whether arising out of contract, negligence, strict tort, or under any

warranty, or otherwise, shall not, except as expressly provided herein, exceed the price of the goods upon which such liability is based.

THIS WARRANTY BECOMES INVALID IF REPLACEMENT PARTS OR ACCESSORIES ARE USED WHICH MAY IMPAIR THE

SAFETY OR PERFORMANCE OF ANY FIREPOWER PRODUCT.

THIS WARRANTY IS INVALID IF THE PRODUCT IS SOLD BY NON-AUTHORIZED PERSONS.

The limited warranty periods for Firepower products shall be as follows: A maximum of four (4) years from date of sale to an authorized

distributor and a maximum of three (3) years from date of sale by such distributor to the Purchaser, and with the following further

limitations on such three (3) year period.

FP-55, POWER SUPPLIES PARTS LABOR

MAIN POWER MAGNETICS ...................................................................................................... 3 YEARS ...................1 YEAR

ORIGINAL MAIN POWER RECTIFIER ..................................................................................... 3 YEARS ...................1 YEAR

CONTROL PC BOARD .................................................................................................................. 3 YEARS ...................1 YEAR

ALL OTHER CIRCUITS AND COMPONENTS......................................................................... 1 YEAR ....................1 YEAR

INCLUDING, BUT NOT LIMITED TO, STARTING

CIRCUIT, CONTACTORS, RELAYS, SOLENOIDS, PUMPS,

POWER SWITCHING SEMI-CONDUCTORS

CONSOLES, CONTROL EQUIPMENT, HEAT ............................................................................. 1 YEAR .................. 1 YEAR

EXCHANGES, AND ACCESSORY EQUIPMENT

TORCH AND LEADS ......................................................................................................................... 1 YEAR .................. 1 YEAR

REPAIR/REPLACEMENT PARTS .................................................................................................... 90 DAYS .................. NONE

Warranty repairs or replacement claims under this limited warranty must be submitted by an authorized Firepower repair facility

within thirty (30) days of the repair. No transportation costs of any kind will be paid under this warranty. Transportation charges to

send products to an authorized warranty repair facility shall be the responsibility of the customer. All returned goods shall be at the

customer’s risk and expense. This warranty supersedes all previous Firepower warranties.

Effective May 5, 2000

Manual 0-2846 2-1 INTRODUCTION

SECTION 2:

INTRODUCTION

2.01 Scope of Manual

This manual contains descriptions, operating instructions

and basic maintenance procedures for the Firepower

FP-55 Plasma Cutting Power Supply only. Servicing of

this equipment is restricted to properly trained person-

nel; unqualified personnel are strictly cautioned against

attempting repairs or adjustments not covered in this

manual, at the risk of voiding the Warranty.

Read this manual thoroughly. A complete understand-

ing of the characteristics and capabilities of this equip-

ment will assure the dependable operation for which it

was designed.

NOTE

Refer to the Torch Manual provided with this Power

Supply for torch and cutting information.

2.02 General Description

The power supply provides 40 amp maximum output and

includes all control circuitry, electrical and gas inputs and

outputs, pilot circuitry, primary input power cable with

molded plug, and work cable & clamp.

Refer to Section 2.04 for power supply options and ac-

cessories.

A-02766

Figure 2-1 Firepower FP-55 Power Supply

2.03 Specifications/Design Features

A. Power Supply Technical Specifications

The following specifications apply to the Power Supply

only:

1. Front Panel Features

• Main power ON/OFF switch

• RUN/SET switch

• output current control

• torch leads access

• work lead

2. Rear Panel Features

• Primary input power cable with molded plug

• gas pressure gauge regulator/filter assembly

• gas supply connection

3. Front Panel Indicators

AC, TEMP, GAS, DC

4. Input Power (See Note)

208/230VAC (±10%), 60 Hz, Single Phase, 39/37 amps

NOTE

Refer to Appendix 1 for input wiring requirements.

5. Output Power

Continuously variable from 20 to 40 amps maximum

6. Duty Cycle (see NOTE)

NOTE

The duty cycle will be reduced if the primary in-

put voltage (AC) is low or the DC voltage is higher

than shown in the chart.

Ambient

Tem

erature

104° F

(40° C)

104° F

(40° C)

104° F

(40° C)

Duty Cycle

40% 60% 100%

Current

40 Amps n/a 25 Amps

DC Voltage

96 vdc n/a 96 vdc

Power Supply Duty Cycle

7. Pilot Circuitry

Capacitive Discharge (CD), Ignition DC Pilot

INTRODUCTION 2-2 Manual 0-2846

8. Weight

52 lbs (23.6 kg)

Weight includes Power Supply w/Input Cable and

plug, Work Lead, and Torch & Leads.

9. Overall Dimensions (incl. handles)

Length: 22-1/2 inches (572 mm)

Width: 10-3/4 inches (273 mm)

Height: 16-3/8 inches (416 mm)

B. Gas Regulator/Filter Assembly Specifications

The following specifications apply to the standard Gas

Regulator/Filter Assembly only:

1. Operating Pressure (Output)

70 psi (4.8 bar)

2. Maximum input gas pressure

125 psi (8.6 bar)

3. Filter

Particulate Type Filter (to 20 microns)

2.04 Power Supply Options

The following accessories are available for this power

supply. Refer to Section 6, Parts Lists, for item number

and ordering information.

A. Single-Stage In-Line Air Filter Kit

A Single Stage In-Line Air Filter for use with com-

pressed air shop systems. Filters moisture and par-

ticulate matter from the air stream to at least 0.85 mi-

crons.

Manual 0-2846 3-1 INSTALLATION

SECTION 3:

INSTALLATION

3.01 Introduction

NOTES

Depending on how the system was ordered, some

Power Supply Options may already be installed.

If option(s) have been factory installed some of the

instructions may not apply. It is recommended

that all sub-sections be read for general informa-

tion.

This Section describes installation of the Power Supply

and connecting the Torch.

These instructions apply to the Power Supply only; in-

stallation procedures for the Torch, Options, and Acces-

sories are given in Manuals specifically provided for those

units.

The complete installation consists of:

1. Site selection

2. Unpacking

3. Connections to Power Supply

a. Input power

b. Gas Connections

c. Torch Leads

d. Work cable

4. Grounding

5. Operator training

3.02 Site Selection

Select a clean, dry location with good ventilation and ad-

equate working space around all components.

NOTE

Review Important Safety Precautions (Section 1)

to be sure that the selected location meets all safety

requirements.

The power supply is fan cooled by air flow through the

side panel to the front and rear panels. Air flow must not

be obstructed. Provide at least 2 feet (0.6 m) in the rear

and at least 6 inches (150 mm) on each side for clearance.

Provide sufficient clearance in front of the unit to allow

access to the front panel controls (min. 6 inches or 150

mm).

CAUTION

Operation without proper air flow will inhibit

proper cooling and reduce duty cycle.

3.03 Unpacking

The product is packaged and protected to prevent dam-

age during shipping.

1. Unpack each item and remove any packing material.

2. Locate the packing list(s) and use the list(s) to iden-

tify and account for each item.

3. Inspect each item for possible shipping damage. If

damage is evident, contact your distributor and/or

shipping company before proceeding with the instal-

lation.

3.04 Lifting Options

This unit is equipped with a handle for hand carrying

purposes.

WARNINGS

Do not touch live electrical parts.

Disconnect input power conductors from de-ener-

gized supply line before moving unit.

FALLING EQUIPMENT can cause serious per-

sonal injury and equipment damage.

• Only persons of adequate physical strength should

lift the unit.

• Lift unit by the handle, using two hands.

• Handle is designed for hand lifting only. Be sure

unit is lifted and transported safely and securely.

WARNING

HANDLE is not for mechanical lifting.

• Use hand cart or similar device of adequate capac-

ity to move unit.

• Place and secure unit on a proper skid before trans-

porting with a fork lift or other vehicle.

INSTALLATION 3-2 Manual 0-2846

3.05 Primary Input Power

Connections

This power supply comes with a factory-installed input

power cable and plug designed to accept input power of

208/230VAC (±10%), 60 Hz, single phase, 39/37 amps.

1. Check your power source for correct voltage before

plugging in the unit.

2. Connect the input power cable (or close the main dis-

connect switch) to supply power to the system.

3.06 Gas Connections

A. Gas Requirements

WARNING

This unit is not to be used with oxygen (O

Gases: Single Gas - Plasma/Secondary

Compressed Air Only

Pressure: 70 psi (4.8 bar)

CAUTION

Maximum pressure at inlet must not exceed 125

psi (8.6 bar)

Flow: Cutting - 200 standard cubic feet/hr (94.4 lpm)

Gouging - 230 scfh (108.5 lpm)

B. Checking Air Quality

To test the quality of air, place the RUN/SET switch to

SET position, place a welding filter lens in front of the

torch and turn on the gas. Any oil or moisture in the air

will be visible on the lens. Do not initiate an arc!

CAUTION

Air supply must be free of oil, moisture, and other

contaminants. Excessive oil and moisture may

cause double-arcing, rapid tip wear, or even com-

plete torch failure. Contaminants may cause poor

cutting performance and rapid electrode wear.

C. Connecting Gas Supply to Unit

The gas supply is connected to the Pressure Regulator/

Filter Assembly located on the rear of the unit. The con-

nection is the same for compressed air or high pressure

gas cylinders.

Connect the gas supply as follows:

1. If an optional air line filter is to be installed, refer to proce-

dures in subsection 3.06-D.

2. Connect the gas line to the inlet port. The illustration shows

typical fittings as an example. Other fittings may be used.

Install the fittings and tighten.

NOTE

For a secure seal, apply thread sealant to the fit-

ting threads, according to manufacturer's instruc-

tions. Do Not use teflon tape as a thread sealer as

small particles of the tape may break off and block

the small gas passages in the torch.

A-02783

ose Clamp

1/4 NPT to 1/4"

(6mm) Fitting

Regulator/Filter

Assembly

Inlet Port

Gas Supply

Hose

Plastic

Bowl

Figure 3-1a Gas Connection to Regulator/Filter

Assembly (units with type A Regulator/Filter)

Art # A-02999

Hose Clamp

/4 NPT to 1/4"

(6mm) Fitting

Regulator/Filter

Assembly

Inlet Port

Gas Supply

Hose

Bowl

Figure 3-1b Gas Connection to Regulator/Filter

Assembly (units with type B Regulator/Filter)

Manual 0-2846 3-3 INSTALLATION

D. Installing Optional Single-Stage Air Filter

Additional filtering is recommended when using air from

a compressor to insure that moisture and debris from the

supply hose does not enter the torch. Although the Pres-

sure Regulator does have its own filter, the optional

Single-Stage Air Filter is recommended for improved fil-

tering. The optional in-line filter is highly effective at

removing moisture and particulate matter from the air

stream to at least 0.85 microns.

Connect the gas supply as follows:

1. Attach the Single-Stage Air Filter Kit to the Regu-

lator/Filter Assembly inlet port as shown. The il-

lustration shows typical fittings as an example.

Other fittings may be used. Install the fittings and

tighten.

NOTE

For a secure seal, apply thread sealant to the fit-

ting threads, according to manufacturer's instruc-

tions. Do Not use teflon tape as a thread sealer as

small particles of the tape may break off and block

the small gas passages in the torch.

A-02784

Filter

Assembly

1/4 NPT Hose Fitting

1/4" (6 mm) Gas Supply Hose

Regulator/Filter

Assembly & Bracket

Inlet Port

Hose Clamp

Filter

Hose

Figure 3-2a Optional Single-Stage Air Filter

Installation (units with type A Regulator/Filter)

A-03000

Regulator/Filter

Assembly

Inlet Port

Bowl

1/4 NPT Hose Fitting

1/4" (6 mm) Gas Supply Hose

Hose Clamp

Figure 3-2b Optional Single-Stage Air Filter

Installation (units with type B Regulator/Filter)

E. Using High Pressure Gas Cylinders

Refer to the following when using high pressure gas cyl-

inders as the gas supply:

CAUTION

Pressure should be set at 100 psi (6.9 bar) at the

high pressure gas cylinder regulator.

1. Refer to the manufacturer’s specifications for in-

stallation and maintenance procedures for high

pressure gas regulators.

2. Examine the cylinder valves to be sure they are

clean and free of oil, grease or any foreign mate-

rial. Momentarily open each cylinder valve to blow

out any dust which may be present.

3. The cylinder must be equipped with an adjustable

high-pressure regulator capable of outlet pressures

up to 100 psi (6.9 bar) maximum and flows of up

to 200 scfh (94.3 lpm).

4. Slide the gas supply hose over the barbed fitting.

5. Secure the gas supply hose in place with the ad-

justable hose clamp.

NOTE

Supply hose must be at least 1/4 inch hose (6 mm)

I.D.

INSTALLATION 3-4 Manual 0-2846

3.07 Torch Connections

NOTE

Equipment ordered as a system will have the Torch

factory connected to the Power Supply.

The Torch Leads must be properly installed to the Power

Supply for proper operation. If the torch leads were not

factory-installed, make all torch connections to the Torch

Bulkhead Panel for the desired application.

WARNING

Disconnect primary power at the source before dis-

assembling the torch or torch leads.

1. Remove the Cover of the Power Supply to gain

access to the Torch Bulkhead Panel. See Section

5.05.

2. Remove the retaining nut from the Strain Relief.

Strain Relief

Nut

Strain Relief

Torch Leads

Assembly

A-03529

Negative /

Plasma Lead

Pilot Lead

Figure 3-3 Retaining Nut Removal

3. Feed the torch lead ends and the Strain Relief into

the hole in the unit.

4. Secure the Strain Relief with the retaining nut re-

moved earlier.

5. Connect the torch Negative/Plasma Lead to the

bulkhead connection inside the Power Supply.

Adapter

Plug

Pilot Lead

Torch Lead

Assembly

Negative/Plasma

Lead

Adapter

Connector

Pilot Lead Stud

Negative/Plasma Lead

Connection

A-03527

Control Circuit

Connectors

Note: Actual Bulkhead

configuration may

differ from that shown.

Figure 3-4 Torch Lead Connections To Bulkhead

6. Connect the Control (PIP) Circuit Connectors to

the mating connectors on the Power Supply

Adapter.

7. Remove the top nut and washer from the Pilot

Stud.

8. Place the lug on the Pilot Control Wire onto the

stud and secure with the nut and washer removed

in Step 7.

9. Tighten the Strain Relief onto the Torch Leads.

10. Check the torch for proper parts assembly per the

torch manual.

CAUTION

The torch parts must correspond with the type of

operation. Refer to the appropriate torch manual

for proper parts selection.

11. Re-install the Power Supply Cover on the Power

Supply.

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Modèle: Plasma Cutting Power Supply FP-55

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