Miller Electric 852 Users Manual O222ad_mil

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Page Count: 36

302, 452, 652 (60 Hz), 402, 602, 852 (50 Hz)

Processes

Description

TIG (GTAW) Welding

Stick (SMAW) Welding

OM-222 164 850AD

2007−03

Air Carbon Arc (CAC-A)

Cutting and Gouging

Flux Cored (FCAW) Welding

Arc Welding Power Source

Gold Star Series

R

Visit our website at

www.MillerWelds.com

File: Stick (SMAW)

Miller Electric manufactures a full line

of welders and welding related equipment.

For information on other quality Miller

products, contact your local Miller distributor to receive the latest full

line catalog or individual specification sheets. To locate your nearest

distributor or service agency call 1-800-4-A-Miller, or visit us at

www.MillerWelds.com on the web.

Thank you and congratulations on choosing Miller. Now you can get

the job done and get it done right. We know you don’t have time to do

it any other way.

That’s why when Niels Miller first started building arc welders in 1929,

he made sure his products offered long-lasting value and superior

quality. Like you, his customers couldn’t afford anything less. Miller

products had to be more than the best they could be. They had to be the

best you could buy.

Today, the people that build and sell Miller products continue the

tradition. They’re just as committed to providing equipment and service

that meets the high standards of quality and value established in 1929.

This Owner’s Manual is designed to help you get the most out of your

Miller products. Please take time to read the Safety precautions. They

will help you protect yourself against potential hazards on the worksite.

We’ve made installation and operation quick

and easy. With Miller you can count on years

of reliable service with proper maintenance.

And if for some reason the unit needs repair,

there’s a Troubleshooting section that will

help you figure out what the problem is. The

parts list will then help you to decide the

exact part you may need to fix the problem.

Warranty and service information for your

particular model are also provided.

Miller is the first welding

equipment manufacturer in

the U.S.A. to be registered to

the ISO 9001:2000 Quality

System Standard.

Working as hard as you do

− every power source from

Miller is backed by the most

hassle-free warranty in the

business.

From Miller to You

Mil_Thank 4/05

TABLE OF CONTENTS

SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-2. Arc Welding Hazards 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-3. Additional Symbols For Installation, Operation, And Maintenance 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-4. California Proposition 65 Warnings 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-5. Principal Safety Standards 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-6. EMF Information 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 2 − CONSIGNES DE SÉCURITÉ − À LIRE AVANT UTILISATION 5 . . . . . . . . . . . . . . . . . . . . . . . . . .

2-1. Signification des symboles 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-2. Dangers relatifs au soudage à l’arc 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-3. Autres symboles relatifs à l’installation, au fonctionnement et à l’entretien de l’appareil. 7 . . . . . . . . . . .

2-4. Principales normes de sécurité 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-5. Information sur les champs électromagnétiques 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 3 − DEFINITIONS 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-1. General Precautionary Label 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-2. Input Connection Label 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-3. Electric Shock And Airflow Label 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-4. Nameplate Safety Symbols 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-7. WEEE Label (For Products Sold Within The EU) 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 4 − INSTALLATION 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-1. Specifications 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-2. Duty Cycle And Overheating 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-3. Volt-Ampere Curves 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-4. Selecting A Location 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-5. Dimensions And Weights 16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-6. Tipping 17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-7. 115 VAC Receptacle And Supplementary Protectors 17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-8. Weld Output Terminals And Selecting Cable Sizes 18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-9. Connecting Weld Output Cables 18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-10. Remote 14 Receptacle Information 19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-11. Connecting Remote Control 19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-12. Electrical Service Guide 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-13. Placing Jumper Links 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-14. Connecting Input Power 22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 5 − OPERATION 23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-1. Controls (Non CE Models) 23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-2. Controls (CE Models) 24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 6 − MAINTENANCE AND TROUBLESHOOTING 24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6-1. Routine Maintenance 24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6-2. Fuse F1 25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6-3. Troubleshooting 25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 7 − ELECTRICAL DIAGRAM 26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 8 − PARTS LIST 28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

OPTIONS AND ACCESSORIES

WARRANTY

dec_stat_6/05

Declaration of Conformity for

European Community (CE) Products

This information is provided for units with CE certification (see rating label on unit).

NOTE

Manufacturer:European Contact:

Miller Electric Mg. Co. Mr. Danilo Fedolfi,

1635 W. Spencer St. Managing Director

Appleton, WI 54914 USA ITW Welding Products Italy S.r.l.

Phone: (920) 734-9821 Via Privata Iseo 6/E

20098 San Giuliano

Milanese, Italy

Phone: 39(02)98290-1

Fax: 39(02)98290203

European Contact Signature:

Declares that the product: Goldstar®402, 602, And 852

conforms to the following Directives and Standards:

Directives

Electromagnetic compatibility Directives: 89/336/EEC, 92/31/EEC

Low Voltage Directive: 73/23/EEC

Machinery Directives: 89/392/EEC, 91/368/EEC, 93/C 133/04, 93/68/EEC

Standards

Safety Requirements for Arc Welding Equipment part 1: EN 60974-1: 1990

Arc Welding Equipment Part 1: Welding Power Sources: IEC 974-1

(April 1995 − Draft revision)

Degrees of Protection provided by Enclosures (IP code): IEC 529: 1989

Insulation coordination for equipment within low-voltage systems:

Part 1: Principles, requirements and tests: IEC 664-1: 1992

Electromagnetic compatibility (EMC) Product standard for arc welding equipment:

EN50199: August 1995

OM-222 Page 1

SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING

som _3/05

YWarning: Protect yourself and others from injury — read and follow these precautions.

1-1. Symbol Usage

Means Warning! Watch Out! There are possible hazards

with this procedure! The possible hazards are shown in

the adjoining symbols.

YMarks a special safety message.

.Means “Note”; not safety related.

This group of symbols means Warning! Watch Out! possible

ELECTRIC SHOCK, MOVING PARTS, and HOT PARTS hazards.

Consult symbols and related instructions below for necessary actions

to avoid the hazards.

1-2. Arc Welding Hazards

YThe symbols shown below are used throughout this manual to

call attention to and identify possible hazards. When you see

the symbol, watch out, and follow the related instructions to

avoid the hazard. The safety information given below is only

a summary of the more complete safety information found in

the Safety Standards listed in Section 1-5. Read and follow all

Safety Standards.

YOnly qualified persons should install, operate, maintain, and

repair this unit.

YDuring operation, keep everybody, especially children, away.

ELECTRIC SHOCK can kill.

Touching live electrical parts can cause fatal shocks

or severe burns. The electrode and work circuit is

electrically live whenever the output is on. The input

power circuit and machine internal circuits are also

live when power is on. In semiautomatic or automatic wire welding, the

wire, wire reel, drive roll housing, and all metal parts touching the

welding wire are electrically live. Incorrectly installed or improperly

grounded equipment is a hazard.

DDo not touch live electrical parts.

DWear dry, hole-free insulating gloves and body protection.

DInsulate yourself from work and ground using dry insulating mats

or covers big enough to prevent any physical contact with the work

or ground.

DDo not use AC output in damp areas, if movement is confined, or if

there is a danger of falling.

DUse AC output ONLY if required for the welding process.

DIf AC output is required, use remote output control if present on

unit.

DAdditional safety precautions are required when any of the follow-

ing electrically hazardous conditions are present: in damp

locations or while wearing wet clothing; on metal structures such

as floors, gratings, or scaffolds; when in cramped positions such

as sitting, kneeling, or lying; or when there is a high risk of unavoid-

able or accidental contact with the workpiece or ground. For these

conditions, use the following equipment in order presented: 1) a

semiautomatic DC constant voltage (wire) welder, 2) a DC manual

(stick) welder, or 3) an AC welder with reduced open-circuit volt-

age. In most situations, use of a DC, constant voltage wire welder

is recommended. And, do not work alone!

DDisconnect input power or stop engine before installing or

servicing this equipment. Lockout/tagout input power according to

OSHA 29 CFR 1910.147 (see Safety Standards).

DProperly install and ground this equipment according to its

Owner’s Manual and national, state, and local codes.

DAlways verify the supply ground − check and be sure that input

power cord ground wire is properly connected to ground terminal in

disconnect box or that cord plug is connected to a properly

grounded receptacle outlet.

DWhen making input connections, attach proper grounding conduc-

tor first − double-check connections.

DFrequently inspect input power cord for damage or bare wiring −

replace cord immediately if damaged − bare wiring can kill.

DTurn off all equipment when not in use.

DDo not use worn, damaged, undersized, or poorly spliced cables.

DDo not drape cables over your body.

DIf earth grounding of the workpiece is required, ground it directly

with a separate cable.

DDo not touch electrode if you are in contact with the work, ground,

or another electrode from a different machine.

DDo not touch electrode holders connected to two welding ma-

chines at the same time since double open-circuit voltage will be

present.

DUse only well-maintained equipment. Repair or replace damaged

parts at once. Maintain unit according to manual.

DWear a safety harness if working above floor level.

DKeep all panels and covers securely in place.

DClamp work cable with good metal-to-metal contact to workpiece

or worktable as near the weld as practical.

DInsulate work clamp when not connected to workpiece to prevent

contact with any metal object.

DDo not connect more than one electrode or work cable to any

single weld output terminal.

SIGNIFICANT DC VOLTAGE exists in inverter-type

welding power sources after removal of input

power.

DTurn Off inverter, disconnect input power, and discharge input

capacitors according to instructions in Maintenance Section

before touching any parts.

Welding produces fumes and gases. Breathing

these fumes and gases can be hazardous to your

health.

FUMES AND GASES can be hazardous.

DKeep your head out of the fumes. Do not breathe the fumes.

DIf inside, ventilate the area and/or use local forced ventilation at the

arc to remove welding fumes and gases.

DIf ventilation is poor, wear an approved air-supplied respirator.

DRead and understand the Material Safety Data Sheets (MSDSs)

and the manufacturer’s instructions for metals, consumables,

coatings, cleaners, and degreasers.

DWork in a confined space only if it is well ventilated, or while

wearing an air-supplied respirator. Always have a trained watch-

person nearby. Welding fumes and gases can displace air and

lower the oxygen level causing injury or death. Be sure the breath-

ing air is safe.

DDo not weld in locations near degreasing, cleaning, or spraying op-

erations. The heat and rays of the arc can react with vapors to form

highly toxic and irritating gases.

DDo not weld on coated metals, such as galvanized, lead, or

cadmium plated steel, unless the coating is removed from the weld

area, the area is well ventilated, and while wearing an air-supplied

respirator. The coatings and any metals containing these elements

can give off toxic fumes if welded.

OM-222 Page 2

Arc rays from the welding process produce intense

visible and invisible (ultraviolet and infrared) rays

that can burn eyes and skin. Sparks fly off from the

weld.

ARC RAYS can burn eyes and skin.

DWear an approved welding helmet fitted with a proper shade of fil-

ter lenses to protect your face and eyes when welding or watching

(see ANSI Z49.1 and Z87.1 listed in Safety Standards).

DWear approved safety glasses with side shields under your

helmet.

DUse protective screens or barriers to protect others from flash,

glare and sparks; warn others not to watch the arc.

DWear protective clothing made from durable, flame-resistant mate-

rial (leather, heavy cotton, or wool) and foot protection.

Welding on closed containers, such as tanks,

drums, or pipes, can cause them to blow up. Sparks

can fly off from the welding arc. The flying sparks, hot

workpiece, and hot equipment can cause fires and

burns. Accidental contact of electrode to metal objects can cause

sparks, explosion, overheating, or fire. Check and be sure the area is

safe before doing any welding.

WELDING can cause fire or explosion.

DRemove all flammables within 35 ft (10.7 m) of the welding arc. If

this is not possible, tightly cover them with approved covers.

DDo not weld where flying sparks can strike flammable material.

DProtect yourself and others from flying sparks and hot metal.

DBe alert that welding sparks and hot materials from welding can

easily go through small cracks and openings to adjacent areas.

DWatch for fire, and keep a fire extinguisher nearby.

DBe aware that welding on a ceiling, floor, bulkhead, or partition can

cause fire on the hidden side.

DDo not weld on closed containers such as tanks, drums, or pipes,

unless they are properly prepared according to AWS F4.1 (see

Safety Standards).

DConnect work cable to the work as close to the welding area as

practical to prevent welding current from traveling long, possibly

unknown paths and causing electric shock, sparks, and fire

hazards.

DDo not use welder to thaw frozen pipes.

DRemove stick electrode from holder or cut off welding wire at

contact tip when not in use.

DWear oil-free protective garments such as leather gloves, heavy

shirt, cuffless trousers, high shoes, and a cap.

DRemove any combustibles, such as a butane lighter or matches,

from your person before doing any welding.

DFollow requirements in OSHA 1910.252 (a) (2) (iv) and NFPA 51B

for hot work and have a fire watcher and extinguisher nearby.

FLYING METAL can injure eyes.

DWelding, chipping, wire brushing, and grinding

cause sparks and flying metal. As welds cool,

they can throw off slag.

DWear approved safety glasses with side

shields even under your welding helmet.

BUILDUP OF GAS can injure or kill.

DShut off shielding gas supply when not in use.

DAlways ventilate confined spaces or use

approved air-supplied respirator.

HOT PARTS can cause severe burns.

DDo not touch hot parts bare handed.

DAllow cooling period before working on gun or

torch.

DTo handle hot parts, use proper tools and/or

wear heavy, insulated welding gloves and

clothing to prevent burns.

MAGNETIC FIELDS can affect pacemakers.

DPacemaker wearers keep away.

DWearers should consult their doctor before

going near arc welding, gouging, or spot

welding operations.

NOISE can damage hearing.

Noise from some processes or equipment can

damage hearing.

DWear approved ear protection if noise level is

high.

Shielding gas cylinders contain gas under high

pressure. If damaged, a cylinder can explode. Since

gas cylinders are normally part of the welding

process, be sure to treat them carefully.

CYLINDERS can explode if damaged.

DProtect compressed gas cylinders from excessive heat, mechani-

cal shocks, physical damage, slag, open flames, sparks, and arcs.

DInstall cylinders in an upright position by securing to a stationary

support or cylinder rack to prevent falling or tipping.

DKeep cylinders away from any welding or other electrical circuits.

DNever drape a welding torch over a gas cylinder.

DNever allow a welding electrode to touch any cylinder.

DNever weld on a pressurized cylinder − explosion will result.

DUse only correct shielding gas cylinders, regulators, hoses, and fit-

tings designed for the specific application; maintain them and

associated parts in good condition.

DTurn face away from valve outlet when opening cylinder valve.

DKeep protective cap in place over valve except when cylinder is in

use or connected for use.

DUse the right equipment, correct procedures, and sufficient num-

ber of persons to lift and move cylinders.

DRead and follow instructions on compressed gas cylinders,

associated equipment, and Compressed Gas Association (CGA)

publication P-1 listed in Safety Standards.

OM-222 Page 3

1-3. Additional Symbols For Installation, Operation, And Maintenance

FIRE OR EXPLOSION hazard.

DDo not install or place unit on, over, or near

combustible surfaces.

DDo not install unit near flammables.

DDo not overload building wiring − be sure power supply system is

properly sized, rated, and protected to handle this unit.

FALLING UNIT can cause injury.

DUse lifting eye to lift unit only, NOT running

gear, gas cylinders, or any other accessories.

DUse equipment of adequate capacity to lift and

support unit.

DIf using lift forks to move unit, be sure forks are

long enough to extend beyond opposite side of

unit.

OVERUSE can cause OVERHEATING

DAllow cooling period; follow rated duty cycle.

DReduce current or reduce duty cycle before

starting to weld again.

DDo not block or filter airflow to unit.

STATIC (ESD) can damage PC boards.

DPut on grounded wrist strap BEFORE handling

boards or parts.

DUse proper static-proof bags and boxes to

store, move, or ship PC boards.

MOVING PARTS can cause injury.

DKeep away from moving parts.

DKeep away from pinch points such as drive

rolls.

WELDING WIRE can cause injury.

DDo not press gun trigger until instructed to do

so.

DDo not point gun toward any part of the body,

other people, or any metal when threading

welding wire.

MOVING PARTS can cause injury.

DKeep away from moving parts such as fans.

DKeep all doors, panels, covers, and guards

closed and securely in place.

DHave only qualified persons remove doors,

panels, covers, or guards for maintenance as

necessary.

DReinstall doors, panels, covers, or guards

when maintenance is finished and before re-

connecting input power.

READ INSTRUCTIONS.

DRead Owner’s Manual before using or servic-

ing unit.

DUse only genuine Miller/Hobart replacement

parts.

H.F. RADIATION can cause interference.

DHigh-frequency (H.F.) can interfere with radio

navigation, safety services, computers, and

communications equipment.

DHave only qualified persons familiar with

electronic equipment perform this installation.

DThe user is responsible for having a qualified electrician prompt-

ly correct any interference problem resulting from the installa-

tion.

DIf notified by the FCC about interference, stop using the

equipment at once.

DHave the installation regularly checked and maintained.

DKeep high-frequency source doors and panels tightly shut, keep

spark gaps at correct setting, and use grounding and shielding to

minimize the possibility of interference.

ARC WELDING can cause interference.

DElectromagnetic energy can interfere with

sensitive electronic equipment such as

computers and computer-driven equipment

such as robots.

DBe sure all equipment in the welding area is

electromagnetically compatible.

DTo reduce possible interference, keep weld cables as short as

possible, close together, and down low, such as on the floor.

DLocate welding operation 100 meters from any sensitive elec-

tronic equipment.

DBe sure this welding machine is installed and grounded

according to this manual.

DIf interference still occurs, the user must take extra measures

such as moving the welding machine, using shielded cables,

using line filters, or shielding the work area.

1-4. California Proposition 65 Warnings

YWelding or cutting equipment produces fumes or gases which

contain chemicals known to the State of California to cause

birth defects and, in some cases, cancer. (California Health &

Safety Code Section 25249.5 et seq.)

YBattery posts, terminals and related accessories contain lead

and lead compounds, chemicals known to the State of

California to cause cancer and birth defects or other

reproductive harm. Wash hands after handling.

For Gasoline Engines:

YEngine exhaust contains chemicals known to the State of

California to cause cancer, birth defects, or other reproductive

harm.

For Diesel Engines:

YDiesel engine exhaust and some of its constituents are known

to the State of California to cause cancer, birth defects, and

other reproductive harm.

OM-222 Page 4

1-5. Principal Safety Standards

Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1,

from Global Engineering Documents (phone: 1-877-413-5184, website:

www.global.ihs.com).

Recommended Safe Practices for the Preparation for Welding and Cut-

ting of Containers and Piping, American Welding Society Standard

AWS F4.1 from Global Engineering Documents (phone:

1-877-413-5184, website: www.global.ihs.com).

National Electrical Code, NFPA Standard 70, from National Fire Protec-

tion Association, P.O. Box 9101, 1 Battery March Park, Quincy, MA

02269−9101 (phone: 617−770−3000, website: www.nfpa.org).

Safe Handling of Compressed Gases in Cylinders, CGA Pamphlet P-1,

from Compressed Gas Association, 1735 Jefferson Davis Highway,

Suite 1004, Arlington, VA 22202−4102 (phone: 703−412−0900, web-

site: www.cganet.com).

Code for Safety in Welding and Cutting, CSA Standard W117.2, from

Canadian Standards Association, Standards Sales, 178 Rexdale

Boulevard, Rexdale, Ontario, Canada M9W 1R3 (phone:

800−463−6727 or in Toronto 416−747−4044, website: www.csa−in-

ternational.org).

Practice For Occupational And Educational Eye And Face Protection,

ANSI Standard Z87.1, from American National Standards Institute, 11

West 42nd Street, New York, NY 10036−8002 (phone: 212−642−4900,

website: www.ansi.org).

Standard for Fire Prevention During Welding, Cutting, and Other Hot

Work, NFPA Standard 51B, from National Fire Protection Association,

P.O. Box 9101, 1 Battery March Park, Quincy, MA 02269−9101 (phone:

617−770−3000, website: www.nfpa.org).

OSHA, Occupational Safety and Health Standards for General Indus-

try, Title 29, Code of Federal Regulations (CFR), Part 1910, Subpart Q,

and Part 1926, Subpart J, from U.S. Government Printing Office, Super-

intendent of Documents, P.O. Box 371954, Pittsburgh, PA 15250 (there

are 10 Regional Offices−−phone for Region 5, Chicago, is

312−353−2220, website: www.osha.gov).

1-6. EMF Information

Considerations About Welding And The Effects Of Low Frequency

Electric And Magnetic Fields

Welding current, as it flows through welding cables, will cause electro-

magnetic fields. There has been and still is some concern about such

fields. However, after examining more than 500 studies spanning 17

years of research, a special blue ribbon committee of the National

Research Council concluded that: “The body of evidence, in the

committee’s judgment, has not demonstrated that exposure to power-

frequency electric and magnetic fields is a human-health hazard.”

However, studies are still going forth and evidence continues to be

examined. Until the final conclusions of the research are reached, you

may wish to minimize your exposure to electromagnetic fields when

welding or cutting.

To reduce magnetic fields in the workplace, use the following

procedures:

1. Keep cables close together by twisting or taping them.

2. Arrange cables to one side and away from the operator.

3. Do not coil or drape cables around your body.

4. Keep welding power source and cables as far away from opera-

tor as practical.

5. Connect work clamp to workpiece as close to the weld as possi-

ble.

About Pacemakers:

Pacemaker wearers consult your doctor before welding or going near

welding operations. If cleared by your doctor, then following the above

procedures is recommended.

OM-222 Page 5

SECTION 2 − CONSIGNES DE SÉCURITÉ − À LIRE AVANT

UTILISATION

som_fre 8/03

2-1. Signification des symboles

Signifie « Mise en garde. Faire preuve de vigilance. »

Cette procédure présente des risques identifiés par les

symboles adjacents aux directives.

YIdentifie un message de sécurité particulier.

.Signifie « NOTA » ; n’est pas relatif à la sécurité.

Ce groupe de symboles signifie « Mise en garde. Faire preuve de vigi-

lance. » Il y a des dangers liés aux CHOCS ÉLECTRIQUES, aux

PIÈCES EN MOUVEMENT et aux PIÈCES CHAUDES. Se reporter

aux symboles et aux directives ci-dessous afin de connaître les me-

sures à prendre pour éviter tout danger.

2-2. Dangers relatifs au soudage à l’arc

YLes symboles ci-après sont utilisés tout au long du présent

manuel pour attirer l’attention sur les dangers potentiels et les

identifier. Lorsqu’on voit un symbole, faire preuve de vigilance et

suivre les directives mentionnées afin d’éviter tout danger. Les

consignes de sécurité énoncées ci-après ne font que résumer le

contenu des normes de sécurité mentionnées à la section 2-4.

Lire et respecter toutes ces normes.

YL’installation, l’utilisation, l’entretien et les réparations ne doi-

vent être confiés qu’à des personnes qualifiées.

YPendant l’utilisation de l’appareil, tenir à l’écart toute personne,

en particulier les enfants.

LES DÉCHARGES ÉLECTRIQUES

peuvent être mortelles.

Un simple contact avec des pièces sous tension peut

causer une électrocution ou des blessures graves.

L’électrode et le circuit de soudage sont sous tension

dès que l’appareil est en fonctionnement. Le circuit

d’entrée et les circuits internes de l’appareil sont également sous tension.

En soudage semi−automatique ou automatique, le fil, le dévidoir, le

logement des galets d’entraînement et les pièces métalliques en contact

avec le fil de soudage sont sous tension. Tout matériel mal installé ou mal

mis à la terre présente un danger.

DNe jamais toucher aux pièces électriques sous tension.

DPorter des gants et des vêtements de protection secs et exempts de

trous.

DS’isoler de la pièce et de la terre au moyen de tapis ou autres disposi-

tifs isolants suffisamment grands pour empêcher tout contact

physique avec la pièce ou la terre.

DNe pas se servir d’une source de courant alternatif dans les zones humi-

des, les endroits confinés ou là où on risque de tomber.

DNe se servir d’une source de courant alternatif QUE si le procédé de souda-

ge l’exige.

DSi l’utilisation d’une source de courant alternatif s’avère nécessaire, se ser-

vir de la fonction de télécommande si l’appareil en est équipé.

DCouper l’alimentation ou arrêter le moteur avant de procéder à l’instal-

lation, à la réparation ou à l’entretien de l’appareil. Couper/étiqueter

l’alimentation selon la norme OSHA 29 CFR 1910.147 (voir les nor-

mes de sécurité).

DInstaller et mettre à la terre correctement l’appareil conformément à

son manuel d’utilisation et aux codes nationaux, provinciaux et

municipaux.

DToujours vérifier la terre du cordon d’alimentation − Vérifier et s’assu-

rer que le fil de terre du cordon d’alimentation est bien raccordé à la

borne de terre du sectionneur ou que la fiche du cordon est raccordée

à une prise correctement mise à la terre.

DPour exécuter les branchements d’entrée, fixer d’abord le conducteur

de mise à la terre adéquat et contre−vérifier les connexions.

DVérifier fréquemment le cordon d’alimentation et s’assurer qu’il n’est

ni endommagé ni dénudé ; le remplacer immédiatement s’il est en-

dommagé − tout câble dénudé peut causer une électrocution.

DMettre l’appareil hors tension quand on ne l’utilise pas.

DNe pas utiliser de câbles usés, endommagés, de calibre insuffisant ou

mal épissés.

DNe pas s’enrouler les câbles autour du corps.

DSi la pièce soudée doit être mise à la terre, le faire directement avec un

câble distinct.

DNe pas toucher l’électrode quand on est en contact avec la pièce, la

terre ou une électrode d’une autre machine.

DN’utiliser que du matériel en bon état. Réparer ou remplacer sur−le−

champ les pièces endommagées. Entretenir l’appareil conformément

au présent manuel.

DPorter un harnais de sécurité quand on travaille en hauteur.

DMaintenir solidement en place tous les panneaux et capots.

DFixer le câble de retour de façon à obtenir un bon contact métal sur

métal avec la pièce à souder ou la table de travail, le plus près possible

de la soudure.

DNe pas connecter plus d’une électrode ou plus d’un câble de masse à un

même terminal de sortie.

Il subsiste un COURANT CONTINU IMPORTANT

dans les convertisseurs après la suppression de

l’alimentation électrique.

DArrêter les convertisseurs, débrancher le courant électrique et dé-

charger les condensateurs d’alimentation selon les instructions

énoncées à la section Entretien avant de toucher les pièces.

Le soudage génère des fumées et des gaz dont

l’inhalation peut être dangereuse pour la santé.

LES FUMÉES ET LES GAZ peuvent

être dangereux.

DSe tenir à distance des fumées et ne pas les inhaler.

DÀ l’intérieur, ventiler la zone et/ou utiliser un dispositif d’aspiration au

niveau de l’arc pour l’évacuation des fumées et des gaz de soudage.

DSi la ventilation est insuffisante, utiliser un respirateur à adduction

d’air agréé.

DLire les fiches techniques de santé−sécurité (FTSS) et les instruc-

tions du fabricant concernant les métaux, les consommables, les

revêtements, les nettoyants et les dégraisseurs.

DNe travailler dans un espace clos que s’il est bien ventilé ou porter un

respirateur à adduction d’air. Demander toujours à un surveillant dû-

ment formé de se tenir à proximité. Des fumées et des gaz de soudage

peuvent se substituer à l’air, abaisser la teneur en oxygène et causer

des lésions ou des accidents mortels. S’assurer que l’air est respira-

ble.

DNe pas souder à proximité d’opérations de dégraissage, de nettoyage

ou de pulvérisation. La chaleur et les rayons de l’arc peuvent réagir en

présence de vapeurs et former des gaz hautement toxiques et irri-

tants.

DNe pas souder de métaux munis d’un revêtement, tels que la tôle

d’acier galvanisée, plombée ou cadmiée, à moins que le revêtement

n’ait été enlevé dans la zone de soudage, que l’endroit soit bien venti-

lé, et si nécessaire, porter un respirateur à adduction d’air. Les

revêtements et tous les métaux renfermant ces éléments peuvent dé-

gager des fumées toxiques lorsqu’on les soude.

OM-222 Page 6

Le rayonnement de l’arc génère des rayons visibles et

invisibles intenses (ultraviolets et infrarouges) suscep-

tibles de causer des brûlures oculaires et cutanées.

Des étincelles sont projetées pendant le soudage.

LES RAYONS DE L’ARC peuvent cau-

ser des brûlures oculaires et cuta-

nées.

DPorter un masque de soudage muni d’un filtre de la nuance adéquate

pour se protéger le visage et les yeux pendant le soudage ou pour re-

garder (voir les normes de sécurité ANSI Z49.1 et Z87.1).

DPorter des lunettes de sécurité à écrans latéraux sous le masque.

DUtiliser des écrans ou des barrières pour protéger les tiers de l’éclat

éblouissant ou aveuglant de l’arc ; leur demander de ne pas regarder

l’arc.

DPorter des vêtements de protection en matière durable et ignifuge

(cuir ou laine) et des chaussures de sécurité.

Le soudage effectué sur des récipients fermés tels que

des réservoirs, des fûts ou des conduites peut causer

leur éclatement. Des étincelles peuvent être projetées

de l’arc de soudure. La projection d’étincelles, les

pièces chaudes et les équipements chauds peuvent causer des

incendies et des brûlures. Le contact accidentel de l’électrode avec tout

objet métallique peut causer des étincelles, une explosion, un surchauf-

fement ou un incendie. Avant de commencer le soudage, vérifier et

s’assurer que l’endroit ne présente pas de danger.

LE SOUDAGE peut causer un incen-

die ou une explosion.

DSe protéger et protéger les tiers de la projection d’étincelles et de mé-

tal chaud.

DNe pas souder à un endroit où des étincelles peuvent tomber sur des

substances inflammables.

DPlacer toutes les substances inflammables à une distance de 10,7 m

de l’arc de soudage. En cas d’impossibilité, les recouvrir soigneuse-

ment avec des protections agréées.

DDes étincelles et des matières en fusion peuvent facilement passer

même par des fissures et des ouvertures de petites dimensions.

DSurveiller tout déclenchement d’incendie et tenir un extincteur à proxi-

mité.

DLe soudage effectué sur un plafond, un plancher, une paroi ou une

cloison peut déclencher un incendie de l’autre côté.

DNe pas souder des récipients fermés tels que des réservoirs, des fûts

ou des conduites, à moins qu’ils n’aient été préparés conformément à

l’AWS F4.1 (voir les normes de sécurité).

DBrancher le câble sur la pièce le plus près possible de la zone de sou-

dage pour éviter que le courant ne circule sur une longue distance, par

des chemins inconnus, et ne cause des risques d’électrocution et d’in-

cendie.

DNe pas utiliser le poste de soudage pour dégeler des conduites ge-

lées.

DEn cas de non utilisation, enlever la baguette d’électrode du porte−

électrode ou couper le fil au raz du tube−contact.

DPorter des vêtements de protection exempts d’huile tels que des

gants en cuir, une chemise en tissu épais, des pantalons sans revers,

des chaussures montantes et un masque.

DAvant de souder, retirer tout produit combustible de ses poches, tel

qu’un briquet au butane ou des allumettes.

LES PARTICULES PROJETÉES peu-

vent blesser les yeux.

DLe soudage, le burinage, le passage de la pièce à

la brosse métallique et le meulage provoquent

l’émission d’étincelles et de particules métalli-

ques. Pendant leur refroidissement, les soudures risquent de projeter du

laitier.

DPorter des lunettes de sécurité à écrans latéraux agréés, même sous le

masque de soudage.

LES ACCUMULATIONS DE GAZ peu-

vent causer des blessures ou même

la mort.

DCouper l’alimentation en gaz protecteur en cas de

non utilisation.

DVeiller toujours à bien ventiler les espaces confinés ou porter un respira-

teur à adduction d’air agréé.

LES PIÈCES CHAUDES peuvent cau-

ser des brûlures graves.

DNe pas toucher les pièces chaudes à main nue.

DPrévoir une période de refroidissement avant

d’utiliser le pistolet ou la torche.

LES CHAMPS MAGNÉTIQUES peuvent

perturber le fonctionnement des stimu-

lateurs cardiaques.

DLes personnes qui portent un stimulateur cardiaque

doivent se tenir à distance.

DIls doivent consulter leur médecin avant de s’appro-

cher d’un lieu où on exécute des opérations de sou-

dage à l’arc, de gougeage ou de soudage par points.

LE BRUIT peut affecter l’ouïe.

Le bruit de certains processus et équipements peut

affecter l’ouïe.

DPorter des protecteurs d’oreille agréés si le niveau

sonore est trop élevé.

Les bouteilles de gaz protecteur contiennent du gaz

sous haute pression. Toute bouteille endommagée

peut exploser. Comme les bouteilles de gaz font

normalement partie du procédé de soudage, les

manipuler avec précaution.

Les BOUTEILLES endommagées

peuvent exploser.

DProtéger les bouteilles de gaz comprimé de la chaleur excessive, des

chocs mécaniques, du laitier, des flammes nues, des étincelles et des

arcs.

DPlacer les bouteilles debout en les fixant dans un support stationnaire

ou dans un porte−bouteilles pour les empêcher de tomber ou de se

renverser.

DTenir les bouteilles éloignées des circuits de soudage ou autres cir-

cuits électriques.

DNe jamais poser une torche de soudage sur une bouteille de gaz.

DNe jamais mettre une électrode de soudage en contact avec une bou-

teille de gaz.

DNe jamais souder une bouteille contenant du gaz sous pression − elle

risquerait d’exploser.

DN’utiliser que les bouteilles de gaz protecteur, régulateurs, tuyaux et

raccords adéquats pour l’application envisagée ; les maintenir en bon

état, ainsi que les pièces connexes.

DDétourner la tête lorsqu’on ouvre la soupape d’une bouteille.

DLaisser le capuchon protecteur sur la soupape, sauf en cas d’utilisa-

tion ou de branchement de la bouteille

DLire et suivre les instructions concernant les bouteilles de gaz compri-

mé, les équipements associés et les publications P−1 de la CGA,

mentionnées dans les normes de sécurité.

OM-222 Page 7

2-3. Autres symboles relatifs à l’installation, au fonctionnement et à l’entretien de

l’appareil.

Risque D’INCENDIE OU D’EXPLO-

SION

DNe pas placer l’appareil sur une surface inflam-

mable, ni au−dessus ou à proximité d’elle.

DNe pas installer l’appareil à proximité de produits inflammables.

DNe pas surcharger l’installation électrique − s’assurer que l’alimen-

tation est correctement dimensionnée et protégée avant de mettre

l’appareil en service.

LA CHUTE DE L’APPAREIL peut

blesser.

DN’utiliser que l’anneau de levage pour lever l’ap-

pareil. NE PAS utiliser le chariot, les bouteilles de

gaz ou tout autre accessoire.

DUtiliser un engin de capacité adéquate pour lever

l’appareil.

DSi on utilise un chariot élévateur pour déplacer l’unité, s’assurer que

les fourches sont suffisamment longues pour dépasser du côté op-

posé de l’appareil.

L’EMPLOI EXCESSIF peut FAIRE

SURCHAUFFER L’ÉQUIPEMENT.

DPrévoir une période de refroidissement ; respec-

ter le cycle opératoire nominal.

DRéduire le courant ou le cycle opératoire avant de

reprendre le soudage.

DNe pas obstruer les orifices ou filtrer l’alimentation en air du poste.

LES CHARGES ÉLECTROSTATI-

QUES peuvent endommager les cir-

cuits imprimés.

DMettre un bracelet antistatique AVANT de mani-

puler des cartes ou des pièces.

DUtiliser des pochettes et des boîtes antistatiques

pour stocker, déplacer ou expédier des cartes de

circuits imprimés.

LES PIÈCES MOBILES peuvent cau-

ser des blessures.

DSe tenir à l’écart des pièces mobiles.

DSe tenir à l’écart des points de coincement tels

que les dévidoirs.

LES FILS DE SOUDAGE peuvent cau-

ser des blessures.

DNe pas appuyer sur la gâchette avant d’en avoir

reçu l’instruction.

DNe pas diriger le pistolet vers soi, vers d’autres

personnes ou vers toute pièce mécanique en en-

gageant le fil de soudage.

LES ORGANES MOBILES peuvent

causer des blessures.

DSe tenir à l’écart des organes mobiles comme les

ventilateurs.

DMaintenir fermés et bien fixés les portes,

panneaux, recouvrements et dispositifs de

protection.

LE RAYONNEMENT HAUTE FRÉ-

QUENCE (H. F.) risque de causer des

interférences.

DLe rayonnement haute fréquence peut causer

des interférences avec les équipements de radio-

navigation et de communication, les services de

sécurité et les ordinateurs.

DNe demander qu’à des personnes qualifiées familiarisées avec les

équipements électroniques de faire fonctionner l’installation.

DL’utilisateur est tenu de faire corriger rapidement par un électricien

qualifié les interférences causées par l’installation.

DSi la Federal Communications Commission signale des interféren-

ces, arrêter immédiatement l’appareil.

DFaire régulièrement contrôler et entretenir l’installation.

DMaintenir soigneusement fermés les panneaux et les portes des sour-

ces de haute fréquence, maintenir le jeu d’éclatement au réglage

adéquat et utiliser une terre et un blindage pour réduire les interféren-

ces éventuelles.

LE SOUDAGE À L’ARC peut causer

des interférences.

DL’énergie électromagnétique peut causer des

interférences avec l’équipement électronique

sensible tel que les ordinateurs et l’équipement

commandé par ordinateur tel que les robots.

DVeiller à ce que tout l’équipement de la zone de soudage soit compati-

ble au point de vue électromagnétique.

DPour réduire la possibilité d’interférence, maintenir les câbles de sou-

dage aussi courts que possible, les grouper, et les poser aussi bas

que possible (par ex. : à terre).

DVeiller à souder à une distance de 100 mètres de tout équipement

électronique sensible.

DVeiller à ce que le poste de soudage soit posé et mis à la terre confor-

mément au présent manuel.

DEn cas d’interférences après exécution des directives précédentes, il

incombe à l’utilisateur de prendre des mesures supplémentaires tel-

les que le déplacement du poste, l’utilisation de câbles blindés,

l’utilisation de filtres de ligne ou la pose de protecteurs dans la zone de

travail.

LES CHAMPS MAGNÉTIQUES peuvent

affecter les stimulateurs cardiaques.

DPorteurs de stimulateur cardiaque, restez à dis-

tance.

DLes porteurs d’un stimulateur cardiaque doivent

d’abord consulter leur médecin avant de s’appro-

cher des opérations de soudage à l’arc, de gou-

geage ou de soudage par points.

OM-222 Page 8

2-4. Principales normes de sécurité

Safety in Welding, Cutting, and Allied Processes, norme ANSI Z49.1,

de l’American Welding Society, 550 N.W. LeJeune Rd, Miami FL 33126

(téléphone : (305) 443−9353, site Web : www.aws.org).

Recommended Safe Practices for the Preparation for Welding and Cut-

ting of Containers and Piping, norme American Welding Society AWS

F4.1, de l’American Welding Society, 550 N.W. LeJeune Rd, Miami, FL

33126 (téléphone : (305) 443−9353, site Web : www.aws.org).

National Electrical Code, norme NFPA 70, de la National Fire Protection

Association, P.O. Box 9101, 1 Battery March Park, Quincy, MA

02269−9101 (téléphone : (617) 770−3000, sites Web : www.nfpa.org et

www.sparky.org).

Safe Handling of Compressed Gases in Cylinders, brochure CGA P−1,

de la Compressed Gas Association, 1735 Jefferson Davis Highway,

Suite 1004, Arlington, VA 22202−4102 (téléphone : (703) 412−0900,

site Web : www.cganet.com).

Code for Safety in Welding and Cutting, norme CSA W117.2, de la Ca-

nadian Standards Association, Standards Sales, 178 boulevard

Rexdale, Rexdale (Ontario) Canada M9W 1R3 (téléphone : (800)

463−6727 ou à Toronto : (416) 747−4044, site Web : www.csa−interna-

tional.org).

Practice For Occupational And Educational Eye And Face Protection,

norme ANSI Z87.1, de l’American National Standards Institute, 11 West

42nd Street, New York, NY 10036−8002 (téléphone : (212) 642−4900,

site Web : www.ansi.org).

Standard for Fire Prevention During Welding, Cutting, and Other Hot

Work, norme NFPA 51B, de la National Fire Protection Association,

P.O. Box 9101, 1 Battery March Park, Quincy, MA 02269−9101 (télé-

phone : (617) 770−3000, site Web : www.nfpa.org et www.sparky.org).

OSHA, Occupational Safety and Health Standards for General Indus-

try, Title 29, Code of Federal Regulations (CFR), Part 1910, Subpart Q,

and Part 1926, Subpart J, de l’U.S. Government Printing Office, Super-

intendent of Documents, P.O. Box 371954, Pittsburgh, PA 15250 (il y a

10 bureaux régionaux − Téléphone pour la Région 5, Chicago : (312)

353−2220, site Web : www.osha.gov).

2-5. Information sur les champs électromagnétiques

Données sur le soudage électrique et les effets des champs magnéti-

ques basse fréquence sur l’organisme

En parcourant les câbles de soudage, le courant crée des champs élec-

tromagnétiques. Les effets potentiels de tels champs restent

préoccupants. Cependant, après avoir examiné plus de 500 études qui

ont été faites pendant une période de recherche de 17 ans, un comité

de spécialistes du National Research Council a conclu : « L’accumula-

tion de preuves n’a pas démontré que l’exposition aux champs

magnétiques et aux champs électriques à haute fréquence constitue un

risque pour la santé humaine ». Toutefois, les études et l’examen des

preuves se poursuivent. En attendant les conclusions finales de la re-

cherche, il serait souhaitable de réduire l’exposition aux champs

électromagnétiques pendant le soudage ou le coupage.

Afin de réduire les champs électromagnétiques en milieu de travail, res-

pecter les consignes suivantes :

1. Garder les câbles ensemble en les torsadant ou en les fixant avec du

ruban adhésif.

2. Mettre tous les câbles du côté opposé à l’opérateur.

3. Ne pas s’enrouler les câbles autour du corps.

4. Garder le poste de soudage et les câbles le plus loin possible de soi.

5. Placer la pince de masse le plus près possible de la zone de soudage.

Consignes relatives aux stimulateurs cardiaques :

Les personnes qui portent un stimulateur cardiaque doivent avant tout

consulter leur médecin. Si ce dernier les déclare aptes, il leur est recom-

mandé de respecter les consignes ci-dessus.

.A complete Parts List is available at www.MillerWelds.com

OM-222 Page 9

SECTION 3 − DEFINITIONS

3-1. General Precautionary Label

Warning! Watch Out! There are

possible hazards as shown by the

symbols.

1 Electric shock from welding

electrode or wiring can kill.

1.1 Wear dry insulating gloves.

Do not touch electrode with

bare hand. Do not wear wet or

damaged gloves.

1.2 Protect yourself from electric

shock by insulating yourself

from work and ground.

1.3 Disconnect input plug or

power before working on

machine.

2 Breathing welding fumes can

be hazardous to your health.

2.1 Keep your head out of the

fumes.

2.2 Use forced ventilation or local

exhaust to remove the fumes.

2.3 Use ventilating fan to remove

fumes.

3 Welding sparks can cause

explosion or fire.

3.1 Keep flammables away from

welding. Do not weld near

flammables.

3.2 Welding sparks can cause

fires. Have a fire extinguisher

nearby, and have a

watchperson ready to use it.

3.3 Do not weld on drums or any

closed containers.

4 Arc rays can burn eyes and

injure skin.

4.1 Wear hat and safety glasses.

Use ear protection and button

shirt collar. Use welding

helmet with correct shade of

filter. Wear complete body

protection.

5 Become trained and read the

instructions before working on

the machine or welding.

6 Do not remove or paint over

(cover) the label.

.A complete Parts List is available at www.MillerWelds.com

OM-222 Page 10

3-2. Input Connection Label

1 Warning! Watch Out! There

are possible hazards as

shown by the symbols.

2 Electric shock from wiring can

kill.

3 Disconnect input plug or

power before working on

machine.

4 Read the Owner’s Manual

before working on this

machine.

5 Consult rating label for input

power requirements, and

check power available at the

job site − they must match.

6 Read Owner’s Manual and

inside labels for connection

points and procedures.

7 Move jumper links as shown

on inside label to match

voltage at job site.

8 Having a loop of extra length,

connect grounding conductor

first.

9 Connect line input conductors

as shown on inside label −

double-check all connections,

jumper link positions, and

input voltage before applying

power.

S-179 290

1

4

5

3

2

?V

?A

?V

3

1/96

1234

56 87 9

3-3. Electric Shock And Airflow Label

S-179 563

1 Warning! Watch Out! There

are possible hazards as

shown by the symbols.

2 Electric shock from wiring an

d

exposed weld terminals can

kill.

3 Close door before turning on

unit.

12 3

1/96

3-4. Nameplate Safety Symbols

1 Warning! Watch Out! There

are possible hazards as

shown by the symbols.

2 Electric shock from welding

electrode or wiring can kill.

3 Sparks from arcing electrode

can cause explosion or fire −

disconnect cable for process

not in use.

4 Read Owner’s Manual for

connection procedures.

5 Electric shock from wiring can

kill.

6 Disconnect input power

before working on unit or

making terminal strip

connections.

Nameplate D-179 389

1

234 56

1

.A complete Parts List is available at www.MillerWelds.com

OM-222 Page 11

3-5. Manufacturer’s Rating Labels For CE Products

.Match label to one on

unit. See Section 4-4.

.A complete Parts List is available at www.MillerWelds.com

OM-222 Page 12

3-6. Symbols And Definitions

Some symbols are found only on CE products.

Note

AAmperes Amperage Control/

Panel Gas Tungsten Arc

Welding (GTAW) Shielded Metal Arc

Welding (SMAW)

Temperature Do Not Switch

While Welding Arc Force (DIG) Percent

Output Circuit Breaker Remote VVolts

Protective Earth

(Ground) Positive Negative Input

On Off Hz Hertz Direct Current

U0Rated No Load

Voltage (Average) U1Primary Voltage U2Conventional Load

Voltage Line Connection

I1Primary Current I2Rated Welding

Current XDuty Cycle Three-Phase

Transformer

Rectifier

IP Degree Of

Protection Three-Phase S1KVA Work Connection

Wire Feeder Electrode

Connection

3-7. WEEE Label (For Products Sold Within The EU)

Do not discard product (where ap-

plicable) with general waste.

Reuse or recycle Waste Electrical

and Electronic Equipment (WEEE)

by disposing at a designated collec-

tion facility.

Contact your local recycling office

or your local distributor for further

information.

.A complete Parts List is available at www.MillerWelds.com

OM-222 Page 13

SECTION 4 − INSTALLATION

4-1. Specifications

Model Rated

Welding Amp

Range DC

Maximum

Open-

Circuit

IP

Rating

Amperes Input at Rated Load Output, 50 or 60 Hz,

Three-Phase

Model

Welding

Output

R

ange

DC

Ci

rcu

it

Voltage DC

R

a

ti

ng 200 V 230 V 380 V 400 V 440 V 460 V 575 V KVA KW

300

Amp

300 A @

32 Volts

DC, 60%

Duty Cycle

15 − 395 68

(70) 21M 70

4.0* 61

3.6* 35

1.1* 33

1.1* 31

1.0* 31

3.1* 25

1.5* 24.5

1.3* 13.8

0.67*

450

Amp

450 A @

38 Volts

DC, 60%

Duty Cycle

20 − 590 71

(70) 21M 102

3.5* 89

3.1* 54

1.5* 51

1.4* 47

1.2* 45

1.5* 36

1.2* 35.5

1.2* 23.3

0.51*

650

Amp

650 A @

44 Volts

DC, 60%

Duty Cycle

50 − 850 71

(70) 21M −− 124

5.2* 75

1.7* 71

1.6* 65

1.5* 62

2.6* 50

2.1* 49.4

2.1* 36

0.58*

*While idling

( ) Indicates specification differences for CE models

4-2. Duty Cycle And Overheating

6 Minutes Welding 4 Minutes Resting

Duty Cycle is percentage of 10 min-

utes that unit can weld at rated load

without overheating.

If unit overheats, thermostat(s)

opens, output stops, and cooling

fan runs. Wait fifteen minutes for

unit to cool. Reduce amperage or

duty cycle before welding.

YExceeding duty cycle can

damage unit and void

warranty.

Overheating 0

15

A

OR

Reduce Duty Cycle

Minutes duty1 4/95 / Ref. SA-168 919

Example: 60% Duty Cycle =

.A complete Parts List is available at www.MillerWelds.com

OM-222 Page 14

4-3. Volt-Ampere Curves

Volt-ampere curves show mini-

mum and maximum voltage and

amperage output capabilities of

unit. Curves of other settings fall be-

tween curves shown.

B. 450 Amp Model

C. 650 Amp Model

A. 300 Amp Model

va_curve1 − 4/95 − SA-171 221 / SA-171 222 / SA-171 223

.A complete Parts List is available at www.MillerWelds.com

OM-222 Page 15

4-4. Selecting A Location

1 Lifting Eye

2 Lifting Forks

Use lifting eye or lifting forks to

move unit.

If using lifting forks, extend forks

beyond opposite side of unit.

3 Rating Label (Non CE Models

Only)

Use rating label to determine input

power needs. Label located under

front access door.

4 Plate Label (CE Models Only)

Label located under front access

door.

5 Rating Label (CE Models

Only)

Use rating label to determine input

power needs. Label located on rear

access door (see Section 3-5).

6 Line Disconnect Device

Locate unit near correct input pow-

er supply.

YSpecial installation may be

required where gasoline or

volatile liquids are present −

see NEC Article 511 or CEC

Section 20.

3

6

18 in

(460 mm)

18 in

(460 mm)

OR

1

2

Movement

Location And Airflow

4

5

.A complete Parts List is available at www.MillerWelds.com

OM-222 Page 16

4-5. Dimensions And Weights

Dimensions

300 Amp Models 450 Amp Models 650 Amp Models

A30 in (762 mm) including lift eye 30 in (762 mm) including lift eye 30 in (762 mm) including lift eye

B23 in (585 mm) 23 in (585 mm) 23 in (585 mm)

C30-1/2 in (775 mm) including strain relief 38 in (966 mm) including strain relief 38 in (966 mm) including strain relief

D27-1/2 in (699 mm) 35 in (889 mm) 35 in (889 mm)

E3/4 in (19 mm) 1-1/4 in (32 mm) 1-1/4 in (32 mm)

F21-1/8 in (537 mm) 21-1/8 in (537 mm) 21-1/8 in (537 mm)

G1-1/8 in (29 mm) 1-1/8 in (29 mm) 1-1/8 in (29 mm)

H7/16 in (11 mm) Dia 7/16 in (11 mm) Dia 7/16 in (11 mm) Dia

Weight

352 lb (160 kg) 404 lb (183 kg) 505 lb (229 kg)

800 453-A / 801 530

D

E

F

GH

4 Holes

A

BC

Front

.A complete Parts List is available at www.MillerWelds.com

OM-222 Page 17

4-6. Tipping

YBe careful when placing or

moving unit over uneven

surfaces.

4-7. 115 VAC Receptacle And Supplementary Protectors

Ref. ST-800 101-D

YTurn Off power before

connecting to receptacle.

1 115 V 15 A AC Receptacle

RC9

Power is shared between RC9 and

Remote 14 receptacle RC8 (see

Section 4-11).

2 Supplementary Protector CB1

3 Supplementary Protector CB2

CB1 protects the 115 volts ac por-

tion of RC8 and RC9 from overload.

CB2 protects the 24 volts ac portion

of RC8.

Press button to reset protector.

1

3

2

.A complete Parts List is available at www.MillerWelds.com

OM-222 Page 18

4-8. Weld Output Terminals And Selecting Cable Sizes

Total Cable (Copper) Length In Weld Circuit Not Exceeding

100 ft (30 m) Or Less 150 ft

(45 m) 200 ft

(60 m) 250 ft

(70 m) 300 ft

(90 m) 350 ft

(105 m) 400 ft

(120 m)

YTurn Off power before

connecting to weld output

terminals

Welding

Amperes

10 − 60%

Duty

Cycle

60 − 100%

Duty Cycle 10 − 100% Duty Cycle

100 4 4 4 3 2 1 1/0 1/0

150 3 3 2 1 1/0 2/0 3/0 3/0

200 3 2 1 1/0 2/0 3/0 4/0 4/0

250 2 1 1/0 2/0 3/0 4/0 2-2/0 2-2/0

300 1 1/0 2/0 3/0 4/0 2-2/0 2-3/0 2-3/0

350 1/0 2/0 3/0 4/0 2-2/0 2-3/0 2-3/0 2-4/0

Electrode Work

400 1/0 2/0 3/0 4/0 2-2/0 2-3/0 2-4/0 2-4/0

El

ec

t

ro

d

e

W

or

k

500 2/0 3/0 4/0 2-2/0 2-3/0 2-4/0 3-3/0 3-3/0

600 3/0 4/0 2-2/0 2-3/0 2-4/0 3-3/0 3-4/0 3-4/0

700 4/0 2-2/0 2-3/0 2-4/0 3-3/0 3-4/0 3-4/0 4-4/0

800 4/0 2-2/0 2-3/0 2-4/0 3-4/0 3-4/0 4-4/0 4-4/0

Weld cable size (AWG) is based on either a 4 volts or less drop or a current density of at least 300 circular mils per ampere. S-0007-D

4-9. Connecting Weld Output Cables

803 778-B

YTurn off power before connecting to

weld output terminals.

YFailure to properly connect weld

cables may cause excessive heat

and start a fire, or damage your ma-

chine.

1 Weld Output Terminal

2 Supplied Weld Output Terminal Nut

3 Weld Cable Terminal

4 Copper Bar

Remove supplied nut from weld output ter-

minal. Slide weld cable terminal onto weld

output terminal and secure with nut so that

weld cable terminal is tight against copper

bar. Do not place anything between weld

cable terminal and copper bar. Make

sure that the surfaces of the weld cable

terminal and copper bar are clean.

Tools Needed:

3/4 in (19 mm)

4

2

3

Do not place

anything between

Correct Installation Incorrect Installation

1

weld cable terminal

and copper bar.

.A complete Parts List is available at www.MillerWelds.com

OM-222 Page 19

4-10. Remote 14 Receptacle Information

Socket Information

24 VOLTS AC

A24 volts ac. Protected by supplementary protector CB2.

24 VOLTS AC BContact closure to A completes 24 volts ac contactor control circuit.

CCommand reference; 0 to +10 volts dc.

REMOTE OUTPUT CONTROL DRemote control circuit common.

E0 to +10 volts dc input command signal from remote control.

FCurrent feedback; 1 volt per 100 amperes.

HVoltage feedback; 1 volt per 10 arc volts.

115 VOLTS AC

I115 volts, 15 amperes, 60 Hz ac. Protected by supplementary protector CB1.

115 VOLTS AC JContact closure to I completes 115 volts ac contactor control circuit.

GND K

G

Chassis common.

Circuit common for 24 and 115 volts ac circuits.

REMOTE POWER ON/OFF

*

To remote On/Off switch

REMOTE POWER ON/OFF

*

T

o

remote

O

n

/Off

sw

i

tc

h

.

REMOTE VOLTAGE SENSING

*Voltage sensing signal from Negative (-) weld output terminal.

REMOTE VOLTAGE SENSING

*Voltage sensing signal from Positive (+) weld output terminal.

* Not Used

4-11. Connecting Remote Control

Ref. ST-800 101-D / ST-141 127-D

1 Remote 14 Receptacle RC8

Connect remote control to RC8.

OR OR

AJ

BKI

CLNH

DMG

EF

1

.A complete Parts List is available at www.MillerWelds.com

OM-222 Page 20

4-12. Electrical Service Guide

60 Hertz Models 300 Amp Model 450 Amp Model 650 Amp Model

Input Voltage 200 230 460 575 200 230 460 575 230 460 575

Input Amperes At Rated Output 70 61 31 25 102 89 45 36 124 62 50

Max Recommended Standard Fuse

Rating In Amperes 1

Time-Delay 280 70 35 30 125 110 50 45 150 70 60

Normal Operating 3 110 90 45 35 150 125 70 50 175 90 70

Min Input Conductor Size In AWG 46 8 10 12 4 4 8 10 3 8 8

Max Recommended Input Conductor

Length In Feet (Meters) 149

(45) 131

(40) 356

(108) 342

(104) 136

(41) 180

(55) 319

(97) 335

(102) 144

(44) 210

(64) 328

(100)

Min Grounding Conductor Size In

AWG 46 8 10 12 6 6 8 10 6 8 8

Reference: 2005 National Electrical Code (NEC)

1 If a circuit breaker is used in place of a fuse, choose a circuit breaker with time-current curves comparable to the recommended fuse.

2 “Time-Delay” fuses are UL class “RK5” .

3 “Normal Operating” (general purpose - no intentional delay) fuses are UL class “K5” (up to and including 60 amp), and UL class “H” ( 65 amp and

above).

4 Conductor data in this section specifies conductor size (excluding flexible cord or cable) between the panelboard and the equipment per NEC Table

310.16. If a flexible cord or cable is used, minimum conductor size may increase. See NEC Table 400.5(A) for flexible cord and cable requirements.

50 Hertz Models 300 Amp Model450 Amp Model 650 Amp Model

Input Voltage 380 400 440 380 400 440 380 400 440

Input Amperes At Rated Output 35 33 31 54 51 47 75 71 65

Max Recommended Standard Fuse Rating In

Amperes 1

Time-Delay 240 40 35 60 60 50 90 80 80

Normal Operating 3 60 50 50 80 80 70 125 110 100

Min Input Conductor Size In AWG 410 10 10 8 8 8 6 6 6

Max Recommended Input Conductor Length

In Feet (Meters) 243

(74) 269

(82) 326

(99) 218

(66) 241

(73) 292

(89) 219

(67) 242

(74) 293

(89)

Min Grounding Conductor Size In AWG 410 10 10 8 8 8 6 6 8

Reference: 2005 National Electrical Code (NEC)

1 If a circuit breaker is used in place of a fuse, choose a circuit breaker with time-current curves comparable to the recommended fuse.

2 “Time-Delay” fuses are UL class “RK5” .

3 “Normal Operating” (general purpose - no intentional delay) fuses are UL class “K5” (up to and including 60 amp), and UL class “H” ( 65 amp and

above).

4 Conductor data in this section specifies conductor size (excluding flexible cord or cable) between the panelboard and the equipment per NEC Table

310.16. If a flexible cord or cable is used, minimum conductor size may increase. See NEC Table 400.5(A) for flexible cord and cable requirements.

.A complete Parts List is available at www.MillerWelds.com

OM-222 Page 21

4-13. Placing Jumper Links

Ref. ST-800 103-A

YDisconnect and lockout/tag-

out input power before

installing or moving jumper

links.

Check input voltage available at

site.

1 Jumper Link Label

Check label − only one is on unit.

2 Jumper Links

Move jumper links to match input

voltage.

Close and secure access door, or

go on to Section 4-14.

Tools Needed:

2

1

Do not overtighten

jumper link nuts.

230 VOLTS

Ref. S-174 973-B

575 VOLTS460 VOLTS

380 VOLTS 400 VOLTS 440 VOLTS

Ref. S-174 975-B

220 VOLTS

(FACTORY OPTION)

200 VOLTS

Ref. S-174 976-B

230 VOLTS 460 VOLTS

3/8 in

3/8 in

.A complete Parts List is available at www.MillerWelds.com

OM-222 Page 22

4-14. Connecting Input Power

800 103-C / Ref. 801 116-A

3/8 in

3/8 in

Tools Needed:

YInstallation must meet all National

and Local Codes − have only quali-

fied persons make this installation.

YDisconnect and lockout/tagout in-

put power before connecting input

conductors from unit.

YMake input power connections to

the welding power source first.

YAlways connect green or green/

yellow conductor to supply

grounding terminal first, and never

to a line terminal.

See rating label on unit and check input

voltage available at site.

1 Input Power Conductors (Customer

Supplied Cord)

Select size and length of conductors using

Section 4-12. Conductors must comply

with national, state, and local electrical

codes. If applicable, use lugs of proper

amperage capacity and correct hole size.

Welding Power Source Input Power

Connections

2 Strain Relief

Route conductors (cord) through strain re-

lief and tighten screws.

3 Machine Grounding Terminal

4 Green Or Green/Yellow Grounding

Conductor

5 Reed Switch (Ground Current

Sensor) (Optional)

Connect green or green/yellow grounding

conductor to welding power source

grounding terminal first. If unit is equipped

with optional ground current sensor, route

grounding conductor through reed switch

two times and connect to grounding termi-

nal.

6 Welding Power Source Line

Terminals

7 Input Conductors L1 (U), L2 (V) And

L3 (W)

Connect input conductors L1 (U), L2 (V)

and L3 (W) to welding power source line

terminals.

Close and secure access door on welding

power source.

Disconnect Device Input Power Con-

nections

8 Disconnect Device (switch shown in

OFF position)

9 Disconnect Device (Supply)

Grounding Terminal

Connect green or green/yellow grounding

conductor to disconnect device grounding

terminal first.

10 Disconnect Device Line Terminals

Connect input conductors L1 (U), L2 (V)

And L3 (W) to disconnect device line

terminals.

11 Over-Current Protection

Select type and size of over-current

protection using Section 4-12 (fused dis-

connect switch shown).

Close and secure door on line disconnect

device. Remove lockout/tagout device,

and place switch in the On position.

IMPORTANT

GND/

3

PE Earth Ground

Input Contactor

L1 (U)

L2 (V)

L3 (W)

= GND/PE Earth Ground

8

5

4

2

11

6

3

7

4

9

4

10

1

=

7

3

.A complete Parts List is available at www.MillerWelds.com

OM-222 Page 23

SECTION 5 − OPERATION

5-1. Controls (Non CE Models)

1 Polarity Selector Switch (Optional On 50

Hz Models)

To change polarity on models not equipped

with a Polarity Selector switch, reverse work

and electrode cables at the weld output termi-

nals (see Section 4-8).

YTurn Off Power before reversing

cables.

2 Arc Force (Dig) Control

Control increases SMAW short-circuit amper-

age which allows the operator to use a very

short arc length without sticking the electrode.

Set control at 0 for normal welding amperage.

Turn clockwise to increase short-circuit

amperage.

3 Hot Start Switch

Turn switch On for SMAW and Off for GTAW

welding.

4 Amperage Adjustment Control

5 Digital Meters (Optional)

6 Power Switch With Indicator Light

7 High Temperature Shutdown Light

8 Remote Amperage Control Switch

For front panel control, place switch in Panel

position. For remote control, place switch in

Remote position, and connect remote device

(see Section 4-11).

9 Output Switch (Contactor)

For front panel control of output, place switch

in Panel position. For remote control of output,

place switch in Remote position, and connect

remote device (see Section 4-11).

YTurn Off power before connecting re-

mote device.

Ref. ST-165 596-D

300 Amp Model Shown

12

89

4

6

7

35

.A complete Parts List is available at www.MillerWelds.com

OM-222 Page 24

5-2. Controls (CE Models)

1 Polarity Selector Switch (Optional On 50

Hz Models)

To change polarity on models not equipped

with a Polarity Selector switch, reverse work

and electrode cables at the weld output termi-

nals (see Section 4-8).

YTurn Off Power before reversing

cables.

2 Arc Force (Dig) Control

Control increases SMAW short-circuit amper-

age which allows the operator to use a very

short arc length without sticking the electrode.

Set control at 0 for normal welding amperage.

Turn clockwise to increase short-circuit

amperage.

3 Hot Start Switch

Turn switch On for SMAW and Off for GTAW

welding.

4 Amperage Adjustment Control

5 Digital Meters (Optional)

6 Power Switch With Indicator Light

7 High Temperature Shutdown Light

8 Remote Amperage Control Switch

For front panel control, place switch in Panel

position. For remote control, place switch in

Remote position, and connect remote device

(see Section 4-11).

9 Output Switch (Contactor)

For front panel control of output, place switch

in Panel position. For remote control of output,

place switch in Remote position, and connect

remote device (see Section 4-11).

YTurn Off power before connecting re-

mote device.

Ref. ST-173 450-B

300 Amp Model Shown

12

89

4

67

3 5

SECTION 6 − MAINTENANCE AND TROUBLESHOOTING

6-1. Routine Maintenance

YDisconnect power before maintaining.

3 Months

Replace

unreadable

labels.

Repair or

replace

cracked

weld cable.

Clean and

tighten weld

terminals.

6 Months

Blow out or

vacuum inside.

During heavy

service, clean monthly.

OR

.A complete Parts List is available at www.MillerWelds.com

OM-222 Page 25

6-2. Fuse F1

Ref. ST-800 101-C

YTurn Off power before open-

ing rear access door.

1 Fuse F1 (See Parts List For

Rating)

Fuse F1 protects control transform-

er from overload. If F1 opens, weld

output and fan motor stops. Re-

place F1.

Close and secure access door.

1

Tools Needed:

3/8 in

6-3. Troubleshooting

Trouble Remedy

No weld output; unit completely inop-

erative. Place line disconnect switch in On position (see Section 4-14).

Check fuse F1, and replace if necessary (see Section 6-2).

Check and replace line fuse(s), if necessary, or reset circuit breaker (see Section 4-14).

Check for proper input power connections (see Section 4-14).

Check for proper jumper link position (see Section 4-13).

No weld output; Power switch pilot light

on; fan on. If using remote control, place Output (Contactor) switch in Remote 14 position, and connect remote

control (see Section 4-11). If remote is not being used, place switch in On position.

Check, repair, or replace remote control.

Unit overheated. Allow unit to cool with fan On (see Section 4-2).

Have Factory Authorized Service Agent check control board PC1.

No weld output; Power switch pilot light

on; fan off.

Check for proper input power connections (see Section 4-14).

Check and replace line fuse(s), if necessary, or reset circuit breaker (see Section 4-14).

Have Factory Authorized Service Agent check SCR’s.

Unit provides only maximum or mini-

mum weld output. Have Factory Authorized Service Agent check control board PC1 and hall device HD1.

Erratic or improper weld output. Use proper size and type of weld cable (see Section 4-8).

Clean and tighten all weld connections.

Check position of Polarity selector switch (see Section 5-1).

Have Factory Authorized Service Agent check control board PC1 and hall device HD1.

No 115 volts ac output at duplex recep-

tacle, Remote 14 receptacle. Reset supplementary protector CB1 (see Section 4-7).

No 24 volts ac output at Remote 14 re-

ceptacle. Reset supplementary protector CB2 (see Section 4-7).

Fan not operating. NOTE: fan only

runs when cooling is necessary. Check for and remove anything blocking fan movement.

Have Factory Authorized Service Agent check fan motor.

OM-222 Page 26

SECTION 7 − ELECTRICAL DIAGRAM

Figure 7-1. Circuit Diagram

OM-222 Page 27

218 518-A

OM-222 Page 28

SECTION 8 − PARTS LIST

A complete Parts List is available on-line at www.MillerWelds.com.

NOTE

http://www.millerwelds.com/service/replacementparts.html

Choose Genuine Select to review spare parts requirements such

as filters, spark plugs, and fuses.

Choose Service Parts to download complete parts listing.

Notes

Notes

Notes

Warranty Questions?

Call

1-800-4-A-MILLER

for your local

Miller distributor.

miller_warr 2007−01

Your distributor also gives

you ...

Service

You always get the fast,

reliable response you

need. Most replacement

parts can be in your

hands in 24 hours.

Support

Need fast answers to the

tough welding questions?

Contact your distributor.

The expertise of the

distributor and Miller is

there to help you, every

step of the way.

Effective January 1, 2007

(Equipment with a serial number preface of “LH” or newer)

This limited warranty supersedes all previous Miller warranties and is exclusive with no other

guarantees or warranties expressed or implied.

LIMITED WARRANTY − Subject to the terms and conditions

below, Miller Electric Mfg. Co., Appleton, Wisconsin, warrants to

its original retail purchaser that new Miller equipment sold after

the effective date of this limited warranty is free of defects in

material and workmanship at the time it is shipped by Miller. THIS

WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER

WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE

WARRANTIES OF MERCHANTABILITY AND FITNESS.

Within the warranty periods listed below, Miller will repair or

replace any warranted parts or components that fail due to such

defects in material or workmanship. Miller must be notified in

writing within thirty (30) days of such defect or failure, at which

time Miller will provide instructions on the warranty claim

procedures to be followed.

Miller shall honor warranty claims on warranted equipment listed

below in the event of such a failure within the warranty time

periods. All warranty time periods start on the delivery date of the

equipment to the original end-user purchaser, and not to exceed

one year after the equipment is shipped to a North American

distributor or eighteen months after the equipment is shipped to

an International distributor.

1. 5 Years Parts — 3 Years Labor

* Original main power rectifiers

2. 3 Years — Parts and Labor

* Transformer/Rectifier Power Sources

* Plasma Arc Cutting Power Sources

* Process Controllers

* Semi-Automatic and Automatic Wire Feeders

* Inverter Power Sources (Unless Otherwise Stated)

* Water Coolant Systems (Integrated)

* Intellitig

* Engine Driven Welding Generators

(NOTE: Engines are warranted separately by the

engine manufacturer.)

3. 1 Year — Parts and Labor Unless Specified

* Motor Driven Guns (w/exception of Spoolmate

Spoolguns)

* Positioners and Controllers

* Automatic Motion Devices

* RFCS Foot Controls

* Induction Heating Power Sources, Coolers, and

Electronic

Controls/Recorders

* Water Coolant Systems (Non-Integrated)

* Flowgauge and Flowmeter Regulators (No Labor)

* HF Units

* Grids

* Spot Welders

* Load Banks

* Arc Stud Power Sources & Arc Stud Guns

* Racks

* Running Gear/Trailers

* Plasma Cutting Torches (except APT & SAF

Models)

* Field Options

(NOTE: Field options are covered under True Blue®

for the remaining warranty period of the product they

are installed in, or for a minimum of one year —

whichever is greater.)

* Bernard-Branded Mig Guns (No Labor)

* Weldcraft-Branded TIG Torches (No Labor)

* Subarc Wire Drive Assemblies

4. 6 Months — Batteries

5. 90 Days — Parts

* MIG Guns/TIG Torches and Subarc (SAW) Guns

* Induction Heating Coils and Blankets, Cables, and

Non-Electronic Controls

* APT & SAF Model Plasma Cutting Torches

* Remote Controls

* Accessory (Kits)

* Replacement Parts (No labor)

* Spoolmate Spoolguns

* Canvas Covers

Miller’s True Blue® Limited Warranty shall not apply to:

1. Consumable components; such as contact tips,

cutting nozzles, contactors, brushes, slip rings, relays

or parts that fail due to normal wear. (Exception:

brushes, slip rings, and relays are covered on Bobcat,

Trailblazer, and Legend models.)

2. Items furnished by Miller, but manufactured by others, such

as engines or trade accessories. These items are covered

by the manufacturer’s warranty, if any.

3. Equipment that has been modified by any party other than

Miller, or equipment that has been improperly installed,

improperly operated or misused based upon industry

standards, or equipment which has not had reasonable and

necessary maintenance, or equipment which has been

used for operation outside of the specifications for the

equipment.

MILLER PRODUCTS ARE INTENDED FOR PURCHASE AND

USE BY COMMERCIAL/INDUSTRIAL USERS AND PERSONS

TRAINED AND EXPERIENCED IN THE USE AND

MAINTENANCE OF WELDING EQUIPMENT.

In the event of a warranty claim covered by this warranty, the

exclusive remedies shall be, at Miller’s option: (1) repair; or (2)

replacement; or, where authorized in writing by Miller in

appropriate cases, (3) the reasonable cost of repair or

replacement at an authorized Miller service station; or (4)

payment of or credit for the purchase price (less reasonable

depreciation based upon actual use) upon return of the goods at

customer’s risk and expense. Miller’s option of repair or

replacement will be F.O.B., Factory at Appleton, Wisconsin, or

F.O.B. at a Miller authorized service facility as determined by

Miller. Therefore no compensation or reimbursement for

transportation costs of any kind will be allowed.

TO THE EXTENT PERMITTED BY LAW, THE REMEDIES

PROVIDED HEREIN ARE THE SOLE AND EXCLUSIVE

REMEDIES. IN NO EVENT SHALL MILLER BE LIABLE FOR

DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR

CONSEQUENTIAL DAMAGES (INCLUDING LOSS OF

PROFIT), WHETHER BASED ON CONTRACT, TORT OR ANY

OTHER LEGAL THEORY.

ANY EXPRESS WARRANTY NOT PROVIDED HEREIN AND

ANY IMPLIED WARRANTY, GUARANTY OR

REPRESENTATION AS TO PERFORMANCE, AND ANY

REMEDY FOR BREACH OF CONTRACT TORT OR ANY

OTHER LEGAL THEORY WHICH, BUT FOR THIS

PROVISION, MIGHT ARISE BY IMPLICATION, OPERATION

OF LAW, CUSTOM OF TRADE OR COURSE OF DEALING,

INCLUDING ANY IMPLIED WARRANTY OF

MERCHANTABILITY OR FITNESS FOR PARTICULAR

PURPOSE, WITH RESPECT TO ANY AND ALL EQUIPMENT

FURNISHED BY MILLER IS EXCLUDED AND DISCLAIMED

BY MILLER.

Some states in the U.S.A. do not allow limitations of how long an

implied warranty lasts, or the exclusion of incidental, indirect,

special or consequential damages, so the above limitation or

exclusion may not apply to you. This warranty provides specific

legal rights, and other rights may be available, but may vary from

state to state.

In Canada, legislation in some provinces provides for certain

additional warranties or remedies other than as stated herein,

and to the extent that they may not be waived, the limitations and

exclusions set out above may not apply. This Limited Warranty

provides specific legal rights, and other rights may be available,

but may vary from province to province.

PRINTED IN USA © 2007 Miller Electric Mfg. Co.2007−01

Miller Electric Mfg. Co.

An Illinois Tool Works Company

1635 West Spencer Street

Appleton, WI 54914 USA

International Headquarters−USA

USA Phone: 920-735-4505 Auto-Attended

USA & Canada FAX: 920-735-4134

International FAX: 920-735-4125

European Headquarters −

United Kingdom

Phone: 44 (0) 1204-593493

FAX: 44 (0) 1204-598066

www.MillerWelds.com

Model Name Serial/Style Number

Purchase Date (Date which equipment was delivered to original customer.)

Distributor

Address

City

State Zip

Please complete and retain with your personal records.

Always provide Model Name and Serial/Style Number.

Contact a DISTRIBUTOR or SERVICE AGENCY near you.

Welding Supplies and Consumables

Options and Accessories

Personal Safety Equipment

Service and Repair

Replacement Parts

Training (Schools, Videos, Books)

Technical Manuals (Servicing Information

and Parts)

Circuit Diagrams

Welding Process Handbooks

Contact the Delivering Carrier to:

For Service

Owner’s Record

File a claim for loss or damage during

shipment.

For assistance in filing or settling claims, contact

your distributor and/or equipment manufacturer’s

Transportation Department.

Contact your Distributor for:

To locate a Distributor or Service Agency visit

www.millerwelds.com or call 1-800-4-A-Miller