ESAB Caddy 140 User manual

cmha2p00

Valid for serial no. 628--xxx--xxxx, 011--xxx--xxxx,

220--xxx--xxxx

0468 964 101 GB 041101

Caddy 140

Caddy 200

LHN 140, LHN 200

Instruction manual

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TOCe

Rights reserved to alter specifications without notice.

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

2SAFETY 3...........................................................

3 INTRODUCTION 4...................................................

4 TECHNICAL DESCRIPTION 4.........................................

4.1 Tecnical data 4..............................................................

5 INSTALLATION 5....................................................

6 OPERATION 5.......................................................

6.1 Welding with coated electrodes 6..............................................

6.2 TIG welding 6...............................................................

7 MAINTENANCE 6....................................................

8 ORDERING OF SPARE PARTS 6......................................

DIAGRAM 7............................................................

ORDERING NUMBER 9.................................................

SPARE PARTS LIST 10...................................................

ACCESSORIES 11.......................................................

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1DIRECTIVE

DECLARATION OF CONFORMITY

Esab Welding Equipment AB, S--695 81 Laxå, Sweden, gives its unreserved guaran-

tee that welding power source Caddy 140/200 from serial number 628 complies with

standard EN 60974--1, in accordance with the requirements of directive (73/23/EEC)

and addendum (93/68/EEC) and with standard EN 50199 in accordance with the re-

quirements of directive (89/336/EEC) and addendum (93/68/EEC).

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Paul Karlsson

Managing Director

Esab Welding Equipment AB

695 81 LAXÅ

SWEDEN Tel: + 46 584 81176 Fax: + 46 584 12336

Laxå 95--11--10

2SAFETY

WARNING

READ AND UNDERSTAND THE INSTRUCTION MANUAL BEFORE INSTALLING OR OPERATING.

ARC WELDING AND CUTTING CAN BE INJURIOUS TO YOURSELF AND OTHERS. TAKE PRECAU-

TIONS WHEN WELDING. ASK FOR YOUR EMPLOYER’S SAFETY PRACTICES WHICH SHOULD BE

BASED ON MANUFACTURERS’ HAZARD DATA.

ELECTRIC SHOCK -- Can kill

SInstall and earth the welding unit in accordance with applicable standards.

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

SInsulate yourself from earth and the workpiece.

SEnsure your working stance is safe.

FUMES AND GASES -- Can be dangerous to health

SKeep your head out of the fumes.

SUse 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.

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

clothing.

SProtect bystanders with suitable screens or curtains.

FIRE HAZARD

SSparks (spatter) can cause fire. Make sure therefore that there are no inflammable materials nearby.

NOISE -- Excessive noise can damage hearing

SProtect your ears. Use earmuffs or other hearing protection.

SWarn bystanders of the risk.

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

PROTECT YOURSELF AND OTHERS!

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

Do not use the power source for thawing frozen pipes.

WARNING!

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3 INTRODUCTION

The Caddy 140 and Caddy 200 are two transistor controlled rectifiers designed for

welding with coated electrodes and for TIG welding (touch start).

The advanced electronics provide rapid control response, low power demand and

excellent welding characteristics. Inverter technology contributes to low weight and

compact dimensions of the units. The rounded slimline shape of the unit makes it

comfortable to carry. The strap can be folded to serve as a carrying handle, or fully

extended to serve as a shoulder strap.

4 TECHNICAL DESCRIPTION

Caddy is equipped with a remote control socket which activates automatically when

a remote control device is connected. NOTE! The contact pins L and M must be

strapped in the remote device’s connection cable for automatic activation to function.

Theinverterissuppliedwitha3meterlongmainscable.

Caddy is delivered with 5 meter long welding and return cables. These are attached

to cable connectors allowing quick change of polarity.

The manufacturer’s serial number is stamped on the rating plate.

ESAB’s accessories for the product can be found on page 11.

4.1 Tecnical data

Caddy 140 Caddy 200

Performance:

at 35% duty cycle

at 60%

at 100%

140A/26 V

110A/24 V

80A/23 V

200A/28 V

150A/26 V

115A/25 V

Setting range continuously variable

3--140A continuously variable

5--200A

Open circuit voltage 50--80 V 50--80 V

Mains supply:

voltage

primary current

fuse

mains cable, area

230 V

22A

16A*

3x1,5 mm2

400 V

10A

16A

4x1,5 mm2

Enclosure class IP 23 IP 23

Application class

Weight approx. 11 kg approx. 11 kg

*When welding below 100A a 10A slow fuse is adequate.

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 by solid

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

Application class

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

electrical hazard.

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Welding power source complies with IEC 974--1

Power cable rating complies with Swedish regulations.

5 INSTALLATION

WARNING!

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

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

Caddy 140 is intended for 230 V, single phase supplies.

The 230 V can be used with 230--240 V, 50--60 Hz supplies.

To get maximum performance from the Caddy 140 it must be fitted with a 16A slow

fuse. A 10A slow fuse is adequate for welding at currents up to 100A.

Caddy 200 is intended for 400V, 3 phase supplies. It can be used with 50 Hz or

60 Hz supplies.

To get maximum performance from the Caddy 200 a 10A fuse is adequate. (400 V

sockets normally have 16A fuses).

The Caddy 140 and 200 both have mains voltage compensation, which means that

¦10% fluctuation in the supply voltage produces only ¦0.2% variation in the weld-

ing voltage.

6OPERATION

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

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

The power switch is at the rear of the Caddy. The white lamp on the front will glow

when the power is on.

1. Yellow lamp

2. Welding current control 3--140A

3. White lamp

4. Remote control socket

The current is adjusted using the knob on the front.

To save you worrying about overloading the Caddy it has a thermal

cut--out that will trip before the temperature becomes too high. You

can tell when the rectifier has been overloaded because the yellow

light comes on and it will no longer be possible to weld.

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6.1 Welding with coated electrodes

The Caddy supplies DC current, which allows you to weld most types of alloyed and

unalloyed steels, stainless steels and cast iron.

With the Caddy 140 you can use the majority of coated electrodes from ∅1.6 to

∅3.25, while the Caddy 200 will take electrodes up to ∅4.0.

6.2 TIG welding

TIG welding is particularly useful when high quality standards are required and when

welding thin sheet. Caddy also has very good TIG welding characteristics.

The best method to use is the touch start, where you gently stroke the tungsten elec-

trode against the workpiece to establish the arc. Before using the Caddy for TIG

welding it must be equipped with a TIG torch and gas valve, a cylinder of argon, an

argon regulator, tungsten electrodes and, if necessary, suitable filter metal.

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.

Caddy requires a minimum of maintenance. Normally it is sufficient to blow the unit

clean with dry compressed air once a year, and clean the filter in the front regularly. If

the unit is used in a dirty or dusty environment it should be cleande more often. The

filter is released by inserting, e.g. a screwdriver, in the grille’s slots and prising it gen-

tly upwards.

8 ORDERING OF SPARE PARTS

Repair and electrical work should be performed by an authorized ESAB serviceman.

Use only ESAB original spare and wear parts.

Caddy 140, Caddy 200 is designed and tested in accordance with the international and

European standards IEC/EN 60974--1 and EN 50199. 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 be ordered through your nearest ESAB dealer, see the last page of

this publication.

Edition 041101

Diagram

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Caddy 140

Edition 041101

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Caddy 200

Caddy 140, Caddy 200

Edition 041101

Ordering number

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cmha2p00

Ordering no. Denomination Type

0468 020 800 Welding power source Caddy 140

0468 020 881 Welding power source Caddy 200

0468 964 990 Spare parts list Caddy 140, Caddy 200

Caddy 140, Caddy 200

Edition 041101

Spare parts list

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Item Qty Ordering no. Denomination

1 1 0468 462 001 Filter

2 1 0467 796 001 Grill

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