Lincoln Electric POWER WAVE IM716 Manuel utilisateur

POWER WAVE 455/STT

™

OPERATOR’S MANUAL

IM716

October, 2003

Safety Depends on You

Lincoln arc welding and cutting

equipment is designed and built

with safety in mind. However, your

overall safety can be increased by

proper installation ... and thought-

ful operation on your part. DO

NOT INSTALL, OPERATE OR

REPAIR THIS EQUIPMENT

WITHOUT READING THIS

MANUAL AND THE SAFETY

PRECAUTIONS CONTAINED

THROUGHOUT. And, most

importantly, think before you act

and be careful.

For use with machines having Code Numbers: 10835

IEC 60974-1

• Sales and Service through Subsidiaries and Distributors Worldwide •

Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com

• World's Leader in Welding and Cutting Products •

FOR ENGINE

powered equipment.

1.a. Turn the engine off before troubleshooting and maintenance

work unless the maintenance work requires it to be running.

____________________________________________________

1.b. Operate engines in open, well-ventilated

areas or vent the engine exhaust fumes

outdoors.

____________________________________________________

1.c. Do not add the fuel near an open flame

welding arc or when the engine is running.

Stop the engine and allow it to cool before

refueling to prevent spilled fuel from vaporiz-

ing on contact with hot engine parts and

igniting. Do not spill fuel when filling tank. If

fuel is spilled, wipe it up and do not start

engine until fumes have been eliminated.

____________________________________________________

1.d. Keep all equipment safety guards, covers and devices in

position and in good repair.Keep hands, hair, clothing and

tools away from V-belts, gears, fans and all other moving

parts when starting, operating or repairing equipment.

____________________________________________________

1.e. In some cases it may be necessary to remove safety

guards to perform required maintenance. Remove

guards only when necessary and replace them when the

maintenance requiring their removal is complete.

Always use the greatest care when working near moving

parts.

___________________________________________________

1.f. Do not put your hands near the engine fan.

Do not attempt to override the governor or

idler by pushing on the throttle control rods

while the engine is running.

___________________________________________________

1.g. To prevent accidentally starting gasoline engines while

turning the engine or welding generator during maintenance

work, disconnect the spark plug wires, distributor cap or

magneto wire as appropriate.

SAFETY

ARC WELDING CAN BE HAZARDOUS. PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH.

KEEP CHILDREN AWAY. PACEMAKER WEARERS SHOULD CONSULT WITH THEIR DOCTOR BEFORE OPERATING.

Read and understand the following safety highlights. For additional safety information, it is strongly recommended that you

purchase a copy of “Safety in Welding & Cutting - ANSI Standard Z49.1” from the American Welding Society, P.O. Box

351040, Miami, Florida 33135 or CSA Standard W117.2-1974. A Free copy of “Arc Welding Safety” booklet E205 is available

from the Lincoln Electric Company, 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199.

BE SURE THAT ALL INSTALLATION, OPERATION, MAINTENANCE AND REPAIR PROCEDURES ARE

PERFORMED ONLY BY QUALIFIED INDIVIDUALS.

WARNING

Mar ‘95

ELECTRIC AND

MAGNETIC FIELDS

may be dangerous

2.a. Electric current flowing through any conductor causes

localized Electric and Magnetic Fields (EMF). Welding

current creates EMF fields around welding cables and

welding machines

2.b. EMF fields may interfere with some pacemakers, and

welders having a pacemaker should consult their physician

before welding.

2.c. Exposure to EMF fields in welding may have other health

effects which are now not known.

2.d. All welders should use the following procedures in order to

minimize exposure to EMF fields from the welding circuit:

2.d.1.

Route the electrode and work cables together - Secure

them with tape when possible.

2.d.2. Never coil the electrode lead around your body.

2.d.3. Do not place your body between the electrode and

work cables. If the electrode cable is on your right

side, the work cable should also be on your right side.

2.d.4. Connect the work cable to the workpiece as close as

possible to the area being welded.

2.d.5. Do not work next to welding power source.

1.h. To avoid scalding, do not remove the

radiator pressure cap when the engine is

hot.

CALIFORNIA PROPOSITION 65 WARNINGS

Diesel engine exhaust and some of its constituents

are known to the State of California to cause can-

cer, birth defects, and other reproductive harm.

The engine exhaust from this product contains

chemicals known to the State of California to cause

cancer, birth defects, or other reproductive harm.

The Above For Diesel Engines The Above For Gasoline Engines

POWER WAVE 455

SAFETY

ARC RAYS can burn.

4.a. Use a shield with the proper filter and cover

plates to protect your eyes from sparks and

the rays of the arc when welding or observing

open arc welding. Headshield and filter lens

should conform to ANSI Z87. I standards.

4.b. Use suitable clothing made from durable flame-resistant

material to protect your skin and that of your helpers from

the arc rays.

4.c. Protect other nearby personnel with suitable, non-flammable

screening and/or warn them not to watch the arc nor expose

themselves to the arc rays or to hot spatter or metal.

ELECTRIC SHOCK can

kill.

3.a. The electrode and work (or ground) circuits

are electrically “hot” when the welder is on.

Do not touch these “hot” parts with your bare

skin or wet clothing. Wear dry, hole-free

gloves to insulate hands.

3.b. Insulate yourself from work and ground using dry insulation.

Make certain the insulation is large enough to cover your full

area of physical contact with work and ground.

In addition to the normal safety precautions, if welding

must be performed under electrically hazardous

conditions (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, if there is a high risk of unavoidable or

accidental contact with the workpiece or ground) use

the following equipment:

• Semiautomatic DC Constant Voltage (Wire) Welder.

• DC Manual (Stick) Welder.

• AC Welder with Reduced Voltage Control.

3.c. In semiautomatic or automatic wire welding, the electrode,

electrode reel, welding head, nozzle or semiautomatic

welding gun are also electrically “hot”.

3.d. Always be sure the work cable makes a good electrical

connection with the metal being welded. The connection

should be as close as possible to the area being welded.

3.e. Ground the work or metal to be welded to a good electrical

(earth) ground.

3.f.

Maintain the electrode holder, work clamp, welding cable and

welding machine in good, safe operating condition. Replace

damaged insulation.

3.g. Never dip the electrode in water for cooling.

3.h. Never simultaneously touch electrically “hot” parts of

electrode holders connected to two welders because voltage

between the two can be the total of the open circuit voltage

of both welders.

3.i. When working above floor level, use a safety belt to protect

yourself from a fall should you get a shock.

3.j. Also see Items 6.c. and 8.

FUMES AND GASES

can be dangerous.

5.a. Welding may produce fumes and gases

hazardous to health. Avoid breathing these

fumes and gases.When welding, keep

your head out of the fume. Use enough

ventilation and/or exhaust at the arc to keep

fumes and gases away from the breathing zone. When

welding with electrodes which require special

ventilation such as stainless or hard facing (see

instructions on container or MSDS) or on lead or

cadmium plated steel and other metals or coatings

which produce highly toxic fumes, keep exposure as

low as possible and below Threshold Limit Values (TLV)

using local exhaust or mechanical ventilation. In

confined spaces or in some circumstances, outdoors, a

respirator may be required. Additional precautions are

also required when welding on galvanized steel.

5.b.

Do not weld in locations near chlorinated hydrocarbon

vapors

coming from degreasing, cleaning or spraying operations.

The heat and rays of the arc can react with solvent vapors

form phosgene, a highly toxic gas, and other irritating prod-

ucts.

5.c. Shielding gases used for arc welding can displace air and

cause injury or death. Always use enough ventilation,

especially in confined areas, to insure breathing air is safe.

5.d. Read and understand the manufacturer’s instructions for this

equipment and the consumables to be used, including the

material safety data sheet (MSDS) and follow your

employer’s safety practices. MSDS forms are available from

your welding distributor or from the manufacturer.

5.e. Also see item 1.b.

Mar ‘95

POWER WAVE 455

FOR ELECTRICALLY

powered equipment.

8.a. Turn off input power using the disconnect

switch at the fuse box before working on

the equipment.

8.b. Install equipment in accordance with the U.S. National

Electrical Code, all local codes and the manufacturer’s

recommendations.

8.c. Ground the equipment in accordance with the U.S. National

Electrical Code and the manufacturer’s recommendations.

CYLINDER may explode

if damaged.

7.a. Use only compressed gas cylinders

containing the correct shielding gas for the

process used and properly operating

regulators designed for the gas and

pressure used. All hoses, fittings, etc. should be suitable for

the application and maintained in good condition.

7.b. Always keep cylinders in an upright position securely

chained to an undercarriage or fixed support.

7.c. Cylinders should be located:

• Away from areas where they may be struck or subjected to

physical damage.

• A safe distance from arc welding or cutting operations and

any other source of heat, sparks, or flame.

7.d. Never allow the electrode, electrode holder or any other

electrically “hot” parts to touch a cylinder.

7.e. Keep your head and face away from the cylinder valve outlet

when opening the cylinder valve.

7.f. Valve protection caps should always be in place and hand

tight except when the cylinder is in use or connected for

use.

7.g. Read and follow the instructions on compressed gas

cylinders, associated equipment, and CGA publication P-l,

“Precautions for Safe Handling of Compressed Gases in

Cylinders,” available from the Compressed Gas Association

1235 Jefferson Davis Highway, Arlington, VA 22202.

iii

SAFETY

iii

Mar ‘95

WELDING SPARKS can

cause fire or explosion.

6.a.

Remove fire hazards from the welding area.

If this is not possible, cover them to prevent

the welding sparks from starting a fire.

Remember that welding sparks and hot

materials from welding can easily go through small cracks

and openings to adjacent areas. Avoid welding near

hydraulic lines. Have a fire extinguisher readily available.

6.b. Where compressed gases are to be used at the job site,

special precautions should be used to prevent hazardous

situations. Refer to “Safety in Welding and Cutting” (ANSI

Standard Z49.1) and the operating information for the

equipment being used.

6.c. When not welding, make certain no part of the electrode

circuit is touching the work or ground. Accidental contact

can cause overheating and create a fire hazard.

6.d. Do not heat, cut or weld tanks, drums or containers until the

proper steps have been taken to insure that such procedures

will not cause flammable or toxic vapors from substances

inside. They can cause an explosion even

though

they have

been “cleaned”. For information, purchase “Recommended

Safe Practices for the

Preparation

for Welding and Cutting of

Containers and Piping That Have Held Hazardous

Substances”, AWS F4.1 from the American Welding Society

(see address above).

6.e. Vent hollow castings or containers before heating, cutting or

welding. They may explode.

6.f.

Sparks and spatter are thrown from the welding arc. Wear oil

free protective garments such as leather gloves, heavy shirt,

cuffless trousers, high shoes and a cap over your hair. Wear

ear plugs when welding out of position or in confined places.

Always wear safety glasses with side shields when in a

welding area.

6.g. Connect the work cable to the work as close to the welding

area as practical. Work cables connected to the building

framework or other locations away from the welding area

increase the possibility of the welding current passing

through lifting chains, crane cables or other alternate cir-

cuits. This can create fire hazards or overheat lifting chains

or cables until they fail.

6.h. Also see item 1.c.

POWER WAVE 455

SAFETY

PRÉCAUTIONS DE SÛRETÉ

Pour votre propre protection lire et observer toutes les instructions

et les précautions de sûreté specifiques qui parraissent dans ce

manuel aussi bien que les précautions de sûreté générales suiv-

antes:

Sûreté Pour Soudage A L’Arc

1. Protegez-vous contre la secousse électrique:

a. Les circuits à l’électrode et à la piéce sont sous tension

quand la machine à souder est en marche. Eviter toujours

tout contact entre les parties sous tension et la peau nue

ou les vétements mouillés. Porter des gants secs et sans

trous pour isoler les mains.

b. Faire trés attention de bien s’isoler de la masse quand on

soude dans des endroits humides, ou sur un plancher

metallique ou des grilles metalliques, principalement dans

les positions assis ou couché pour lesquelles une grande

partie du corps peut être en contact avec la masse.

c. Maintenir le porte-électrode, la pince de masse, le câble

de soudage et la machine à souder en bon et sûr état

defonctionnement.

d.Ne jamais plonger le porte-électrode dans l’eau pour le

refroidir.

e. Ne jamais toucher simultanément les parties sous tension

des porte-électrodes connectés à deux machines à souder

parce que la tension entre les deux pinces peut être le

total de la tension à vide des deux machines.

f. Si on utilise la machine à souder comme une source de

courant pour soudage semi-automatique, ces precautions

pour le porte-électrode s’applicuent aussi au pistolet de

soudage.

2. Dans le cas de travail au dessus du niveau du sol, se protéger

contre les chutes dans le cas ou on recoit un choc. Ne jamais

enrouler le câble-électrode autour de n’importe quelle partie

du corps.

3. Un coup d’arc peut être plus sévère qu’un coup de soliel,

donc:

a. Utiliser un bon masque avec un verre filtrant approprié

ainsi qu’un verre blanc afin de se protéger les yeux du ray-

onnement de l’arc et des projections quand on soude ou

quand on regarde l’arc.

b. Porter des vêtements convenables afin de protéger la

peau de soudeur et des aides contre le rayonnement de

l‘arc.

c. Protéger l’autre personnel travaillant à proximité au

soudage à l’aide d’écrans appropriés et non-inflammables.

4. Des gouttes de laitier en fusion sont émises de l’arc de

soudage. Se protéger avec des vêtements de protection libres

de l’huile, tels que les gants en cuir, chemise épaisse, pan-

talons sans revers, et chaussures montantes.

5. Toujours porter des lunettes de sécurité dans la zone de

soudage. Utiliser des lunettes avec écrans lateraux dans les

zones où l’on pique le laitier.

6. Eloigner les matériaux inflammables ou les recouvrir afin de

prévenir tout risque d’incendie dû aux étincelles.

7. Quand on ne soude pas, poser la pince à une endroit isolé de

la masse. Un court-circuit accidental peut provoquer un

échauffement et un risque d’incendie.

8. S’assurer que la masse est connectée le plus prés possible

de la zone de travail qu’il est pratique de le faire. Si on place

la masse sur la charpente de la construction ou d’autres

endroits éloignés de la zone de travail, on augmente le risque

de voir passer le courant de soudage par les chaines de lev-

age, câbles de grue, ou autres circuits. Cela peut provoquer

des risques d’incendie ou d’echauffement des chaines et des

câbles jusqu’à ce qu’ils se rompent.

9. Assurer une ventilation suffisante dans la zone de soudage.

Ceci est particuliérement important pour le soudage de tôles

galvanisées plombées, ou cadmiées ou tout autre métal qui

produit des fumeés toxiques.

10. Ne pas souder en présence de vapeurs de chlore provenant

d’opérations de dégraissage, nettoyage ou pistolage. La

chaleur ou les rayons de l’arc peuvent réagir avec les vapeurs

du solvant pour produire du phosgéne (gas fortement toxique)

ou autres produits irritants.

11. Pour obtenir de plus amples renseignements sur la sûreté,

voir le code “Code for safety in welding and cutting” CSA

Standard W 117.2-1974.

PRÉCAUTIONS DE SÛRETÉ POUR

LES MACHINES À SOUDER À

TRANSFORMATEUR ET À

REDRESSEUR

1. Relier à la terre le chassis du poste conformement au code de

l’électricité et aux recommendations du fabricant. Le dispositif

de montage ou la piece à souder doit être branché à une

bonne mise à la terre.

2. Autant que possible, I’installation et l’entretien du poste seront

effectués par un électricien qualifié.

3. Avant de faires des travaux à l’interieur de poste, la debranch-

er à l’interrupteur à la boite de fusibles.

4. Garder tous les couvercles et dispositifs de sûreté à leur

place.

Mar. ‘93

POWER WAVE 455

Thank You for selecting a QUALITY product by Lincoln Electric. We want you

to take pride in operating this Lincoln Electric Company product

••• as much pride as we have in bringing this product to you!

Read this Operators Manual completely before attempting to use this equipment. Save this manual and keep it

handy for quick reference. Pay particular attention to the safety instructions we have provided for your protection.

The level of seriousness to be applied to each is explained below:

WARNING

This statement appears where the information must be followed exactly to avoid serious personal injury or

loss of life.

This statement appears where the information must be followed to avoid minor personal injury or damage to

this equipment.

CAUTION

Please Examine Carton and Equipment For Damage Immediately

When this equipment is shipped, title passes to the purchaser upon receipt by the carrier. Consequently, Claims

for material damaged in shipment must be made by the purchaser against the transportation company at the

time the shipment is received.

Please record your equipment identification information below for future reference. This information can be

found on your machine nameplate.

Product _________________________________________________________________________________

Model Number ___________________________________________________________________________

Code Number or Date Code_________________________________________________________________

Serial Number____________________________________________________________________________

Date Purchased___________________________________________________________________________

Where Purchased_________________________________________________________________________

Whenever you request replacement parts or information on this equipment, always supply the information you

have recorded above. The code number is especially important when identifying the correct replacement parts.

On-Line Product Registration

- Register your machine with Lincoln Electric either via fax or over the Internet.

• For faxing: Complete the form on the back of the warranty statement included in the literature packet

accompanying this machine and fax the form per the instructions printed on it.

• For On-Line Registration: Go to our

WEB SITE at www.lincolnelectric.com. Choose “Quick Links” and then

“Product Registration”. Please complete the form and submit your registration.

vi TABLE OF CONTENTS

Page

Installation .......................................................................................................Section A

Technical Specifications - POWER WAVE 455 ....................................................A-1

Safety Precautions.................................................................................................A-2

Select Suitable Location ........................................................................................A-2

Lifting...............................................................................................................A-2

Stacking ..........................................................................................................A-2

Machine Grounding ...............................................................................................A-2

High Frequency Protection ....................................................................................A-2

Input Connection....................................................................................................A-2

Input Fuse and Supply Wire Considerations .........................................................A-3

Input Voltage Change Over Procedure..................................................................A-3

Elctrode and Work Cable Connection....................................................................A-3

Cable Inductance, and its Effects on Pulse Welding .............................................A-4

Negative Electrode Polarity ...................................................................................A-4

Voltage Sensing ......................................................................................A-4 thru A-5

Power Wave to Semi-automatic Power Feed Wire Feeder Interconnections........A-5

System Description................................................................................................A-6

System Set-Up.........................................................................................A-7 thru A-9

Welding with Multiple Power Waves....................................................................A-10

Control Cable Specifications................................................................................A-10

Multiple Arc Sense Lead and Work Lead Placement Guidelines ........................A-11

I / O Receptacle Specifications............................................................................A-12

Dip Switch Settings and Locations...............................................................A-12

Control Board Dip Switch ..............................................................................A-12

Power Wave Watercooler (Field Installed) ..........................................................A-12

Water Flow Sensor ..............................................................................................A-12

________________________________________________________________________

Operation .........................................................................................................Section B

Safety Precautions.................................................................................................B-1

Graphic Symbols that appear on this machine or in this manual...........................B-2

General Description...............................................................................................B-3

Recommended Processes and Equipment ...........................................................B-3

Required Equipment..............................................................................................B-3

Limitations..............................................................................................................B-3

Duty Cycle and Time Period..................................................................................B-3

Case Front Controls ........................................................................................B-4

Constant Voltage Welding...............................................................................B-5

Nominal Procedures........................................................................................B-5

Fringe Procedures...........................................................................................B-5

Making a Weld ................................................................................................B-5

Welding Adjustment ........................................................................................B-5

Welding Mode .................................................................................................B-6

Arc Control ......................................................................................................B-6

Constant Voltage Welding...............................................................................B-7

Pulse Welding .................................................................................................B-8

________________________________________________________________________

Accessories.....................................................................................................Section C

Optional Equipment...............................................................................................C-1

Factory Installed..............................................................................................C-1

Field Installed..................................................................................................C-1

________________________________________________________________________

Maintenance ....................................................................................................Section D

Safety Precautions ................................................................................................D-1

Routine Maintenance.............................................................................................D-1

Periodic Maintenance............................................................................................D-1

Calibration Specification........................................................................................D-1

________________________________________________________________________

vii

vii TABLE OF CONTENTS

Page

Troubleshooting..............................................................................................Section E

How to use Troubleshooting Guide .......................................................................E-1

Using the Status LED to Troubleshoot System Problems .....................................E-2

Troubleshooting Guide.............................................................................E-3 thru E-7

________________________________________________________________________

Wiring Diagram ............................................................................................Section F-1

Connection Diagram.............................................................................Section F-2, F-3

Dimension Print............................................................................................Section F-4

________________________________________________________________________

Parts Lists ....................................................................................................P394 Series

________________________________________________________________________

A-1

INSTALLATION

POWER WAVE 455/STT

A-1

TECHNICAL SPECIFICATIONS - POWER WAVE 455/STT (K1518-4)

OUTPUT

RECOMMENDED INPUT WIRE AND FUSE SIZES FOR MAXIMUM RATED OUTPUT

PHYSICAL DIMENSIONS

TEMPERATURE RANGES

INPUT AT RATED OUTPUT - THREE PHASE ONLY

INPUT VOLTS

208/230/460/575V - 60HZ.

200/220/440/575V - 50HZ.

OPEN

CIRCUIT

VOLTAGE

75 VDC

INPUT

VOLTAGE /

FREQUENCY

208/50/60HZ

230/50/60HZ

460/50/60HZ

575/50/60HZ

HEIGHT

26.10 in

663 mm

WIDTH

19.86 in

505 mm

DEPTH

32.88 in

835 mm

WEIGHT

293 lbs.

133 kg.

TYPE 75°C

(SUPER LAG)

OR BREAKER

SIZE (AMPS)

110

100

TYPE 75°C

GROUND WIRE IN CON-

DUIT AWG[IEC] SIZES

(MM2)

6(16)

10(6)

TYPE 75°C

COPPER WIRE IN

CONDUIT AWG[IEC]

SIZES (MM2)

4(25)

8(10)

10(6)

PROCESS CURRENT RANGES (DC)

MIG/MAG

FCAW

SMAW

Pulse

STT

CURRENT

50-570 Average Amps

40-570 Average Amps

30-570 Average Amps

5-750 Peak Amps

40-325 Average Amps

PULSE

VOLTAGE

RANGE

5 - 55 VDC

AUXILIARY POWER

(CIRCUIT BREAKER PROTECTED)

40 VDC AT

10 AMPS

115VAC AT

10 AMPS

PULSE AND

BACKGROUND

TIME RANGE

100 MICRO SEC. -

3.3 SEC.

CURRENT

RANGE /

STT

5 - 570

5 - 325

PULSE

FREQUENCY

0.15 - 1000 Hz

INPUT

CURRENT

AMPS

58/53/25/22

82/78/37/31

49/45/23/18

67/61/31/25

IDLE

POWER

400 Watts

Max.

POWER FACTOR

@ RATED OUPUT

.95 MIN.

EFFICIENCY

@ RATED

OUPUT

88%

OUTPUT

CONDITIONS

[email protected]%

570A@43V. 60%

[email protected]%

500A@40V. 60%

OPERATING TEMPERATURE RANGE

-20°C to +40°C

STORAGE TEMPERATURE RANGE

-40°C to +40°C

LIFTING

Lift the machine by the lift bail only. The lift bail is

designed to lift the power source only. Do not attempt

to lift the Power Wave with accessories attached to it.

LIMIT ON STACKING

FALLING EQUIPMENT can cause injury.

• Do not lift this machine using lift

bale if it is equipped with a heavy

accessory such as trailer or gas

cylinder.

• Lift only with equipment of ade-

quate lifting capacity.

• Be sure machine is stable when lifting.

• Do not stack more than three high.

• Do not stack the CV-400 on top of any other

machine.

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

MACHINE GROUNDING

The frame of the welder must be grounded. A ground

terminal marked with the symbol is located inside

the reconnect/input access door for this purpose. See

your local and national electrical codes for proper

grounding methods.

HIGH FREQUENCY PROTECTION

Locate the Power Wave away from radio controlled

machinery.

The normal operation of the Power Wave may

adversely affect the operation of RF controlled

equipment, which may result in bodily injury or

damage to the equipment.

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

INPUT CONNECTION

Only a qualified electrician should

connect the input leads to the Power

Wave. Connections should be made

in accordance with all local and

national electrical codes and the

connection diagram located on the inside of the

reconnect/input access door of the machine.

Failure to do so may result in bodily injury or

death.

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

Use a three-phase supply line. A 1.75 inch (45 mm)

diameter access hole for the input supply is located on

the upper left case back next to the input access door.

Connect L1, L2, L3 and ground according to the Input

Supply Connection Diagram decal located on the

inside of the input access door or refer to Figure A.1

on the following page.

SAFETY PRECAUTIONS

Read this entire installation section before you

start installation.

ELECTRIC SHOCK can kill.

• Only qualified personnel should per-

form this installation.

• Turn the input power OFF at the

disconnect switch or fuse box before working on

this equipment. Turn off the input power to any

other equipment connected to the welding system

at the disconnect switch or fuse box before work-

ing on the equipment.

• Do not touch electrically hot parts.

• Always connect the Power Wave grounding lug

(located inside the reconnect input access door)

to a proper safety (Earth) ground.

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

SELECT SUITABLE LOCATION

Do not use Power Waves in outdoor environments. The Power

Wave power source should not be subjected to falling water, nor

should any parts of it be submerged in water. Doing so may

cause improper operation as well as pose a safety hazard. The

best practice is to keep the machine in a dry, sheltered area.

Do not mount the Power Wave 455/STT over combustible sur-

faces. Where there is a combustible surface directly under sta-

tionary or fixed electrical equipment, that surface shall be cov-

ered with a steel plate atleast .060" (1.6mm) thick, which shall

extend not less than 5.90" (150mm) beyond the equipment on

all sides.

Place the welder where clean cooling air can freely circulate in

through the rear louvers and out through the case sides and bot-

tom. Dirt, dust, or any foreign material that can be drawn into the

welder should be kept at a minimum. Do not use air filters on the

air intake because the air flow will be restricted. Failure to

observe these precautions can result in excessive operating tem-

peratures and nuisance shutdowns.

Machines above code 10500 are equipped with F.A.N. (fan as

needed) circuitry. The fan runs whenever the output is enabled,

whether under loaded or open circuit conditions. The fan also

runs for a period of time (approximately 5 minutes) after the out-

put is disabled, to ensure all components are properly cooled.

If desired, the F.A.N. feature can be disabled (causing the fan to

run whenever the power source is on). To disable F.A.N., con-

nect leads 444 and X3A together at the output of the solid state

fan control relay, located on the back of the Control PC board

enclosure. (See Wiring Diagram)

A-2

INSTALLATION

POWER WAVE 455/STT

A-2

WARNING

CAUTION

Ce manuel convient aux modèles suivants

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