Miller SYNCROWAVE 180 SD 460/575 VOLTS Le manuel du propriétaire

Catégorie
Système de soudage
Taper
Le manuel du propriétaire

Ce manuel convient également à

OM-361/multi 215 088E
12/2004
Processes
Procédés
Procesos
Description
Description
Descripción
TIG (GTAW) Welding
Soudage à l’arc avec électrode
réfractaire TIG (GTAW)
Soldadura TIG
Stick (SMAW) Welding
Soudage à l’arc avec électrode
enrobée (SMAW)
Soldadura Convencional por
Electrodo
Arc Welding Power Source
Source de courant de soudage à l’arc
Fuente de Poder para Soldadura de
Arco
Syncrowave 180 SD
R
460/575 Volt Model
Modèle 460/575 Volts
Modelos 460/575 V
OWNER’S MANUAL
MANUEL DE L’UTILISATEUR
MANUAL DEL OPERADOR
www.MillerWelds.com
ESPAÑOL FRANÇAIS ENGLISH
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 catalog 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 Owners 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 7/03
ENGLISH
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 − DEFINITIONS 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1. Rating Label And Nameplate Symbols And Definitions 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 3 − INSTALLATION 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-1. Specifications 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-2. Duty Cycle Chart 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-3. Volt-Ampere Curves 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4. Selecting A Location 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5. Weld Output Terminals And Selecting Cable Sizes 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-6. Typical TIG Connections 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-7. Typical Stick Connections 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-8. Electrical Service Guide 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-9. Placing Jumper Links 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-10. Connecting Input Power 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 4 − OPERATION 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1. Controls 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-2. Balance/DIG Control 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-3. Postflow Control 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-4. Selecting TIG Starting Characteristics 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-5. Timer/Cycle Counter 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 5 − MAINTENANCE AND TROUBLESHOOTING 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-1. Routine Maintenance 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-2. Adjusting Spark Gaps 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-3. Voltmeter/Ammeter Help Displays 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-4. Troubleshooting 16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 6 − HIGH FREQUENCY (HF) 17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-1. Welding Processes Requiring High Frequency 17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-2. Correct Installation 17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 7 − SELECTING AND PREPARING TUNGSTEN ELECTRODE FOR DC OR AC WELDING 18 . . . .
7-1. Selecting Tungsten Electrode (Wear Clean gloves To Prevent Contamination Of Tungsten) 18 . . . . . . . .
7-2. Preparing Tungsten Electrode For Welding 18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 8 − ELECTRICAL DIAGRAM 19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 9 − PARTS LIST 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WARRANTY
ENGLISH
OM-361 Page 1
SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING
som _8/03
1-1. Symbol Usage
Means Warning! Watch Out! There are possible hazards
with this procedure! The possible hazards are shown in
the adjoining symbols.
Y Marks 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
Y The 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.
Y Only qualified persons should install, operate, maintain, and
repair this unit.
Y During 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.
D Do not touch live electrical parts.
D Wear dry, hole-free insulating gloves and body protection.
D Insulate yourself from work and ground using dry insulating mats
or covers big enough to prevent any physical contact with the work
or ground.
D Do not use AC output in damp areas, if movement is confined, or if
there is a danger of falling.
D Use AC output ONLY if required for the welding process.
D If AC output is required, use remote output control if present on
unit.
D Disconnect 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).
D Properly install and ground this equipment according to its
Owner’s Manual and national, state, and local codes.
D Always 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.
D When making input connections, attach proper grounding conduc-
tor first − double-check connections.
D Frequently inspect input power cord for damage or bare wiring −
replace cord immediately if damaged − bare wiring can kill.
D Turn off all equipment when not in use.
D Do not use worn, damaged, undersized, or poorly spliced cables.
D Do not drape cables over your body.
D If earth grounding of the workpiece is required, ground it directly
with a separate cable.
D Do not touch electrode if you are in contact with the work, ground,
or another electrode from a different machine.
D Use only well-maintained equipment. Repair or replace damaged
parts at once. Maintain unit according to manual.
D Wear a safety harness if working above floor level.
D Keep all panels and covers securely in place.
D Clamp work cable with good metal-to-metal contact to workpiece
or worktable as near the weld as practical.
D Insulate work clamp when not connected to workpiece to prevent
contact with any metal object.
D Do not connect more than one electrode or work cable to any
single weld output terminal.
SIGNIFICANT DC VOLTAGE exists after removal of
input power on inverters.
D Turn 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.
D Keep your head out of the fumes. Do not breathe the fumes.
D If inside, ventilate the area and/or use exhaust at the arc to remove
welding fumes and gases.
D If ventilation is poor, use an approved air-supplied respirator.
D Read the Material Safety Data Sheets (MSDSs) and the
manufacturer’s instructions for metals, consumables, coatings,
cleaners, and degreasers.
D Work 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.
D Do 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.
D Do 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 if necessary, while wearing an
air-supplied respirator. The coatings and any metals containing
these elements can give off toxic fumes if welded.
OM-361 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.
D Wear a welding helmet fitted with a proper shade of filter to protect
your face and eyes when welding or watching (see ANSI Z49.1
and Z87.1 listed in Safety Standards).
D Wear approved safety glasses with side shields under your
helmet.
D Use protective screens or barriers to protect others from flash and
glare; warn others not to watch the arc.
D Wear protective clothing made from durable, flame-resistant mate-
rial (leather and 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.
D Protect yourself and others from flying sparks and hot metal.
D Do not weld where flying sparks can strike flammable material.
D Remove all flammables within 35 ft (10.7 m) of the welding arc. If
this is not possible, tightly cover them with approved covers.
D Be alert that welding sparks and hot materials from welding can
easily go through small cracks and openings to adjacent areas.
D Watch for fire, and keep a fire extinguisher nearby.
D Be aware that welding on a ceiling, floor, bulkhead, or partition can
cause fire on the hidden side.
D Do not weld on closed containers such as tanks, drums, or pipes,
unless they are properly prepared according to AWS F4.1 (see
Safety Standards).
D Connect 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 and fire hazards.
D Do not use welder to thaw frozen pipes.
D Remove stick electrode from holder or cut off welding wire at
contact tip when not in use.
D Wear oil-free protective garments such as leather gloves, heavy
shirt, cuffless trousers, high shoes, and a cap.
D Remove any combustibles, such as a butane lighter or matches,
from your person before doing any welding.
FLYING METAL can injure eyes.
D Welding, chipping, wire brushing, and grinding
cause sparks and flying metal. As welds cool,
they can throw off slag.
D Wear approved safety glasses with side
shields even under your welding helmet.
BUILDUP OF GAS can injure or kill.
D Shut off shielding gas supply when not in use.
D Always ventilate confined spaces or use
approved air-supplied respirator.
HOT PARTS can cause severe burns.
D Do not touch hot parts bare handed.
D Allow cooling period before working on gun or
torch.
MAGNETIC FIELDS can affect pacemakers.
D Pacemaker wearers keep away.
D Wearers 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.
D Wear 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.
D Protect compressed gas cylinders from excessive heat, mechani-
cal shocks, slag, open flames, sparks, and arcs.
D Install cylinders in an upright position by securing to a stationary
support or cylinder rack to prevent falling or tipping.
D Keep cylinders away from any welding or other electrical circuits.
D Never drape a welding torch over a gas cylinder.
D Never allow a welding electrode to touch any cylinder.
D Never weld on a pressurized cylinder − explosion will result.
D Use only correct shielding gas cylinders, regulators, hoses, and fit-
tings designed for the specific application; maintain them and
associated parts in good condition.
D Turn face away from valve outlet when opening cylinder valve.
D Keep protective cap in place over valve except when cylinder is in
use or connected for use.
D Read and follow instructions on compressed gas cylinders,
associated equipment, and CGA publication P-1 listed in Safety
Standards.
ENGLISH
OM-361 Page 3
1-3. Additional Symbols For Installation, Operation, And Maintenance
FIRE OR EXPLOSION hazard.
D Do not install or place unit on, over, or near
combustible surfaces.
D Do not install unit near flammables.
D Do not overload building wiring − be sure power supply system is
properly sized, rated, and protected to handle this unit.
FALLING UNIT can cause injury.
D Use lifting eye to lift unit only, NOT running
gear, gas cylinders, or any other accessories.
D Use equipment of adequate capacity to lift and
support unit.
D If using lift forks to move unit, be sure forks are
long enough to extend beyond opposite side of
unit.
OVERUSE can cause OVERHEATING
D Allow cooling period; follow rated duty cycle.
D Reduce current or reduce duty cycle before
starting to weld again.
D Do not block or filter airflow to unit.
STATIC (ESD) can damage PC boards.
D Put on grounded wrist strap BEFORE handling
boards or parts.
D Use proper static-proof bags and boxes to
store, move, or ship PC boards.
MOVING PARTS can cause injury.
D Keep away from moving parts.
D Keep away from pinch points such as drive
rolls.
WELDING WIRE can cause injury.
D Do not press gun trigger until instructed to do
so.
D Do not point gun toward any part of the body,
other people, or any metal when threading
welding wire.
MOVING PARTS can cause injury.
D Keep away from moving parts such as fans.
D Keep all doors, panels, covers, and guards
closed and securely in place.
H.F. RADIATION can cause interference.
D High-frequency (H.F.) can interfere with radio
navigation, safety services, computers, and
communications equipment.
D Have only qualified persons familiar with
electronic equipment perform this installation.
D The user is responsible for having a qualified electrician prompt-
ly correct any interference problem resulting from the installa-
tion.
D If notified by the FCC about interference, stop using the
equipment at once.
D Have the installation regularly checked and maintained.
D Keep 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.
D Electromagnetic energy can interfere with
sensitive electronic equipment such as
computers and computer-driven equipment
such as robots.
D Be sure all equipment in the welding area is
electromagnetically compatible.
D To reduce possible interference, keep weld cables as short as
possible, close together, and down low, such as on the floor.
D Locate welding operation 100 meters from any sensitive elec-
tronic equipment.
D Be sure this welding machine is installed and grounded
according to this manual.
D If 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
Y Welding 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.)
Y Battery 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:
Y Engine exhaust contains chemicals known to the State of
California to cause cancer, birth defects, or other reproductive
harm.
For Diesel Engines:
Y Diesel engine exhaust and some of its constituents are known
to the State of California to cause cancer, birth defects, and
other reproductive harm.
OM-361 Page 4
1-5. Principal Safety Standards
Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1,
from American Welding Society, 550 N.W. LeJeune Rd, Miami FL 33126
(phone: 305-443-9353, website: www.aws.org).
Recommended Safe Practices for the Preparation for Welding and Cut-
ting of Containers and Piping, American Welding Society Standard
AWS F4.1, from American Welding Society, 550 N.W. LeJeune Rd, Mi-
ami, FL 33126 (phone: 305-443-9353, website: www.aws.org).
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 and www.
sparky.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 and 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, 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 first. If cleared by your doctor,
then following the above procedures is recommended.
ENGLISH
OM-361 Page 5
SECTION 2 − DEFINITIONS
2-1. Rating Label And Nameplate Symbols And Definitions
A
Amperes Gas (Supply)
Gas Tungsten Arc
Welding (GTAW)
Shielded Metal Arc
Welding (SMAW)
V
Volts Gas Input Arc Force (DIG) Electrode
Output Gas Output Remote Thickness Gauge
Protective Earth
(Ground)
Alternating Current Work Input
On Off Percent
Increase/Decrease
Of Quantity
I
1eff
Maximum Effective
Supply Current
I
1max
Rated Maximum
Supply Current
Hz
Hertz Direct Current
Balance Control Maximum Cleaning
Maximum
Penetration
Electrode Positive
Electrode
Negative
Spark Gap Meter Single-Phase
U
0
Rated No Load
Voltage (Average)
U
1
Primary Voltage
U
2
Conventional Load
Voltage
Line Connection
I
1
Primary Current
I
2
Rated Welding
Current
X
Duty Cycle
1
1
Single-Phase
Combined AC/DC
Power Source
IP
Degree Of
Protection
OM-361 Page 6
SECTION 3 − INSTALLATION
3-1. Specifications
Mode
Rated Output at 40%
Duty Cycle
Rated Input,
60 HZ, Single-Phase
KVA KW
Welding Amperage
Range
Max. Open-Circuit
Voltage
DC TIG 150 Amps at 16 Volts 460 V−23 A - (1.2)* 10.5 - (0.56)* 4.3 - (0.24)* 10−180 80
DC Stick 150 Amps at 26 Volts 460 V−24 A - (1.2)* 11.3 - (0.56)* 5.9 - (0.24)* 10−180 80
AC TIG** 150 Amps at 16 Volts 460 V−27 A - (1.2)* 12.5 - (0.56)* 4.5 - (0.24)* 10−180 80
AC Stick 150 Amps at 26 Volts 460 V−27 A - (1.2)* 12.7 - (0.56)* 6.0 - (0.24)* 10−180 80
DC TIG 150 Amps at 16 Volts 575 V−18 A - (1.0)* 10.5 - (0.56)* 4.2 - (0.24)* 10−180 80
DC Stick 150 Amps at 26 Volts 575 V−20 A - (1.0)* 11.2 - (0.56)* 5.9 - (0.24)* 10−180 80
AC TIG** 150 Amps at 16 Volts 575 V−22 A - (1.0)* 12.4 - (0.56)* 4.5 - (0.24)* 10−180 80
AC Stick 150 Amps at 26 Volts 575 V−22 A - (1.0)* 12.4 - (0.56)* 6.0 - (0.24)* 10−180 80
* () While idling.
** Input amperage with AC Balance control in the balanced position. Input amperage may be higher with control in an unbalanced position.
3-2. Duty Cycle Chart
Duty cycle is percentage of 10
minutes that unit can weld at rated
load without overheating.
Y Exceeding duty cycle can
damage unit and void
warranty.
40% Duty Cycle at 150 A AC/DC
ST-188 276-A
4 Minutes Welding 6 Minutes Resting
ENGLISH
OM-361 Page 7
3-3. Volt-Ampere Curves
ssb1.1 10/91 − 208 888 / 208 889
Volt-ampere curves show minimum and maximum voltage
and amperage output capabilities of welding power source.
Curves of other settings fall between curves shown.
DC V/A CURVE
Amps
Volts
70
60
50
40
30
20
10
0
0 50 100
150
200 250 300
DC Stick Max
(Max DIG)
DC TIG Max
DC Stick Max (Min DIG)
DC Stick Min (Max DIG)
DC TIG Min
DC Stick Min (Min DIG)
AC V/A Curve
70
60
50
40
30
20
10
0
0 50 100
Amps
150
200
250
300
Volts
AC Stick Max
(Max DIG)
AC TIG Max
(Max Pen)
AC Stick Min
(Min DIG)
AC TIG Min (Balanced)
AC Stick Min (Max DIG)
3-4. 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 Serial Number/Patent Label
4 Rating Information
Use rating label to determine input
power needs. See Section 2-1 for
symbol definitions.
5 Line Disconnect Device
Locate unit near correct input pow-
er supply.
Position unit so air can circulate.
For information about sources of
high-frequency see Section 6.
For carts and caster kits, contact
your distributor.
Y Special installation may be
required where gasoline or
volatile liquids are present −
see NEC Article 511 or CEC
Section 20.
1
2
Movement
5
Location And Airflow
OR
18 in
(460 mm)
3
18 in
18 in (460 mm)
16 in
(406 mm)
30 in
(762 mm)
221-1/8 in
(562 mm)
18 in (460 mm)
EVIDENCE OF LABEL T AMPERING VOIDS WARRANTY
STOCK NO.
SERIAL NO.
PROTECTED B Y ONE OR MORE OF THE
FOLLOWING US. PATENTS:
LR5071
USC
XXXXXXXXXXXXXX4
XXXXXXX3
XXXXX42 XXXXX47 XXXXX48
XXXXX24 XXXXX25 XXXXX26 XXXXX32
XXXXX10 XXXXX11 XXXXX15 XXXXX21
XXXXX05 XXXXX06 XXXXX07 XXXXX09
4
(460 mm)
OM-361 Page 8
3-5. Weld Output Terminals And Selecting Cable Sizes
Y ARC WELDING can cause Electromagnetic Interference.
To reduce possible interference, keep weld cables as short as possible, close together, and down low, such as on the floor.
Locate welding operation 100 meters from any sensitive electronic equipment. Be sure this welding machine is installed
and grounded according to this manual. If 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.
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)
Y Turn off power before
connecting to weld out-
put terminals.
Y Do not use worn, dam-
aged, undersized, or
poorly spliced cables.
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
Electrode
Work
803 25
5
250 2 1 1/0 2/0 3/0 4/0 2-2/0 2-2/0
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
ENGLISH
OM-361 Page 9
3-6. Typical TIG Connections
Y Turn off power before mak-
ing connections.
1 Gas Valve In Fitting
Connection has 5/8-18 right-hand
threads.
2 Gas Valve Out Connection
Gas connection is made by means
of a flow-through type connector.
3 Torch
4 Work Clamp
5 Remote Foot Control
Connect remote control, torch, and
work clamp to receptacles as
shown.
Optional remote fingertip control
can be used.
6 Cylinder
Secure cylinder to running gear, or
other stationary support.
7 Cylinder Valve
Open valve slightly to blow dirt from
valve. Close valve.
8 Regulator/Flow Gauge
Install so face is vertical.
9 Flow Adjust
Set flow rate to 20 cfh (cubic feet
per hour) (9.4 L/min).
7
8
9
Tools Needed:
5/8, 1-1/8 in
6
5
4
3
1
2
3-7. Typical Stick Connections
Y Turn off power before mak-
ing connections.
1 Electrode Holder
2 Work Clamp
Connect electrode holder and work
clamp as shown.
1
2
803 578-A
OM-361 Page 10
3-8. Electrical Service Guide
All values calculated at 40% duty cycle.
NOTE
Actual input voltage cannot exceed ± 10% of indicated required input voltage
shown in table. If actual input voltage is outside of this range, damage to unit may
occur.
NOTE
60 Hz Single Phase 60 Hz Single Phase
Input Voltage 460 575
Input Amperes At Rated Output 27 22
Max Recommended Standard Fuse or circuit breaker Rating In Amperes
1
Time-Delay
2
30 25
Normal Operating 3 40 30
Min Input Conductor Size In AWG
4
12 14
Max Recommended Input Conductor Length In Feet (Meters) 325 (99) 338 (103)
Min Grounding Conductor Size In AWG
4
12 14
Reference: 1999 National Electrical Code (NEC)
1 Choose a circuit breaker with time current curves comparable to a time-delay 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.
Y Failure to follow these fuse and circuit breaker recommendations could create an electric shock or fire hazard.
1
3-9. Placing Jumper Links
803 613-A
Y Disconnect and lockout/tag-
out input power before
installing or moving jumper
links.
Check input voltage available at
site.
Remove cover and left side panel.
1 Jumper Link Label
2 Jumper Links
Move jumper links to match input
voltage.
Install left side panel and cover, or
go on to Section 3-10.
3/8 in
Tools Needed:
2
Front
ENGLISH
OM-361 Page 11
3-10. Connecting Input Power
803 613-A / Ref. 803 766-B
3/8 in
Tools Needed:
5
2
3
6
4
7
1
1
=GND/PE Earth Ground
4
8
9
10
L1
L2
6
Y Installation must meet all National and
Local Codes − have only qualified per-
sons make this installation.
Y Disconnect and lockout/tagout input
power before connecting input con-
ductors from unit.
Y Make input power connections to the
welding power source first.
Y Always connect green or green/yellow
conductor to supply grounding termi-
nal first, and never to a line terminal.
See rating label on unit and check input volt-
age available at site.
1 Input Power Conductors (Customer
Supplied Cord)
Select size and length of conductors using
Section 3-8. 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 Con-
nections
2 Strain Relief
Route conductors (cord) through strain relief
and tighten screws.
3 Machine Grounding Terminal
4 Green Or Green/Yellow Grounding
Conductor
Connect green or green/yellow grounding
conductor to welding power source grounding
terminal first.
5 Welding Power Source Line Terminals
6 Input Conductors L1 And L2
Connect input conductors L1 and L2 to weld-
ing power source line terminals.
Install panels and wrapper on welding power
source.
Disconnect Device Input Power Connec-
tions
7 Disconnect Device (switch shown in
OFF position)
8 Disconnect Device (Supply) Grounding
Terminal
Connect green or green/yellow grounding
conductor to disconnect device grounding ter-
minal first.
9 Disconnect Device Line Terminals
Connect input conductors L1 and L2 to
disconnect device line terminals.
10 Overcurrent Protection
Select type and size of overcurrent protection
using Section 3-8 (fused disconnect switch
shown).
Close and secure door on line disconnect de-
vice. Remove lockout/tagout device, and
place switch in the On position.
OM-361 Page 12
SECTION 4 − OPERATION
4-1. Controls
1 Output Selector Switch
Y Do not use AC output in damp areas, if movement is con-
fined, or if there is danger of falling. Use AC output ONLY
if required for the welding process, and then use a re-
mote control.
Y Do not change position of switch while welding or while
under load.
Use switch to select Direct Current Electrode Negative (DCEN),
AC, or Direct Current Electrode Positive (DCEP) output.
2 Amperage Adjust Control
Use control to adjust welding amperage.
3 Weld Process Button
Press to select weld process.
In Stick position, weld output goes On and Off with Power switch.
In GTAW (TIG) position, remote control device turns on and ad-
justs weld output of unit as limited by Amperage control. For Direct
Current Electrode Negative (DCEN), arc starter comes on to start
or stabilize welding arc. For AC welding, the arc starter will turn
on to start and stabilize the welding arc. No adjustments needed
for arc starter.
The blue “On” LED indicates weld output is on.
4 Balance/DIG Control
See Section 4-2.
5 Voltmeter
Voltmeter displays average voltage (to the nearest 0.1 V) at the
weld output terminals.
6 Ammeter
Use meter to preset amperage. Meter displays average weld am-
perage output of unit to nearest ampere when welding.
NOTE: Meters are self-calibrating. No adjustment available.
7 Power Switch
Use switch to turn unit On and Off.
1
2
3
4
56
7
214 645-A
4-2. Balance/DIG Control
1 Balance/DIG Control
Balance Control (AC GTAW):
Changes the AC square wave out-
put. Turn towards 10 for deeper
penetration. Turn towards 0 for
more cleaning action of the work-
piece. Set control to 7 and adjust as
necessary.
NOTE: Arc rectification can occur
when welding at high amperage
and/or while welding with helium
gas. If this occurs, increase Bal-
ance control towards 10.
DIG Control (AC And DC SMAW):
When set at 0, short-circuit amper-
age is the same as normal welding
amperage, which reduces spatter.
When setting is increased, short-
circuit amperage increases, which
reduces electrode sticking.
Balanced
0
10
Max Penetration
50% Electrode
Positive
50% Electrode
Negative
40% Electrode
Positive
60% Electrode
Negative
Output Waveforms
Balance Control Examples
ArcSetting
1
ENGLISH
OM-361 Page 13
4-3. Postflow Control
To access postflow control:
1 Output Selector Switch
Place in Electrode Positive position.
2 Weld Process Switch
3 Power Switch
Press and hold Weld Process but-
ton while turning on power. Hold
button for 7 seconds.
The factory default is 12 seconds.
To change postflow time (5−18 sec-
onds), press and release the weld
process button for desired time.
Turn Off power to save setting.
Postflow time does not change if
output is changed from DC to AC, or
from AC to DC.
1
2
3
4-4. Selecting TIG Starting Characteristics
1
To select desired TIG starting
characteristics.
1 Output Selector Switch
2 Weld Process Button
3 Power Switch
4 Meters
To change TIG starting characteristics, turn Off
power, place Output Selector switch in desired
position (DCEN or AC has three start characteris-
tics options). Push and hold Weld Process button
and turn On power. Hold button for 7 seconds.
Meters will display [AC] [−2−] or [E−] [2], depending on
position of Output Selector switch
Press Weld Process button to step through the
three start characteristics choices. Amperage me-
ter displays active choice 1= light start, 2=medium/
normal start, 3=high/hot start.
Turn Off power to save setting.
Application:
Select 1 (light/soft start) − For thin gauge material.
Select 2 (medium/normal start) − factory default
used for most welding applications.
Select 3 (high/hot start) − For thick materials with a
large diameter tungsten.
EN
-2-
2
4
3
OM-361 Page 14
4-5. Timer/Cycle Counter
1 Output Selector Switch
2 Power Switch
To read timer/cycle counter, place Output
Selector switch between the AC and
Electrode Negative (−) position, and turn
power on.
3 Timer Display
The hours and minutes are displayed on
the volt and amp meters for five seconds,
and are read as 1, 234 hours and 56 min-
utes.
4 Cycle Display
The cycles are displayed on the volt and
amp meters for the next five seconds,
and are read as 123, 456 cycles.
1 2 3
4 5 6
1 2 3
4 5 6
3
4
1
2
SECTION 5 − MAINTENANCE AND TROUBLESHOOTING
5-1. Routine Maintenance
Y Disconnect power before maintaining.
. Maintain more often during severe conditions.
3 Months
Replace unreadable
labels.
Repair or replace
cracked weld cable or
gas hose.
Replace o-ring in
Electrode/Gas Output
receptacle if cracked.
6 Months
Blow out or vacuum inside.
Or
ENGLISH
OM-361 Page 15
5-2. Adjusting Spark Gaps
Y Disconnect and lockout/tagout input
power before adjusting spark gaps.
Remove right side panel.
1 Tungsten End Of Point
Replace point if tungsten end disappears; do
not clean or dress tungsten.
2 Spark Gap
Normal spark gap is 0.012 in (0.305 mm).
If adjustment is needed, proceed as follows:
3 Adjustment Screws
Loosen screws. Place gauge of proper thick-
ness in spark gap.
4 Pressure Point
Apply slight pressure at point until gauge is
held firmly in gap. Tighten screws to 12 in/lbs
torque (overtightening will deform plastic
base). Adjust other gap.
Reinstall right side panel.
Tools Needed:
1
3
4
3
2
803 259
4
3/8 in
.012 in (0.305 mm)
5/32 in
5-3. Voltmeter/Ammeter Help Displays
. All directions are in reference to the front of the unit. All
circuitry referred to is located inside the unit. There are
no user serviceable parts inside unit.
1 Typical Help Display (For Help 0)
Help 0 Display
Short in the thermal protection circuitry. Contact a Factory
Authorized Service Agent.
Help1 Display
An SCR overcurrent condition has occurred. Turn power
off and on. If condition continues, contact a Factory Autho-
rized Service Agent.
Help 2 Display
Malfunction in the thermal protection circuitry. Contact a
Factory Authorized Service Agent.
Help 3 Display
Transformer has overheated. The unit has shut down to al-
low the fan to cool unit (see Section 3-2). Operation will
continue when the unit has cooled.
Help 4 Display
Malfunction in the thermal protection circuitry. Contact a
Factory Authorized Service Agent.
Help 5 Display
Rectifier assembly has overheated. The unit has shut
down to allow the fan to cool unit (see Section 3-2). Opera-
tion will continue when the unit has cooled.
Help 6 Display
Not used.
Help 7 Display
Not used.
Help 8 Display
Not used.
Help 9 Display
Short in the thermal protection circuitry. Contact a Factory
Authorized Service Agent.
Help 10 Display
Remote Output control is activated. Release Remote Out-
put control.
Help 11 Display
Output Selector switch is not in correct position (see Sec-
tion 4-1).
Help 12 Display
Non-allowable set-up of the front panel.
Help 13 Display
Not used.
A
V
HLP
−−0
1
OM-361 Page 16
5-4. Troubleshooting
NOTE: The remedies listed below are recommendations only. If these remedies do not fix
the trouble with your unit, have a Factory Authorized Service Agent check unit.
Refer to Section 5-3 for any Help (HLP) message displayed on voltmeter/ammeter.
Trouble Remedy
No weld output; unit completely
inoperative.
Place machine power switch in On position (see Section 4-1).
inoperative.
Place line disconnect switch in On position (see Section 3-10).
Check and replace line fuse(s), if necessary (see Section 3-10).
Check for proper input power connections (see Section 3-10).
No weld output; unit on.
Tighten remote control connection (see Section 3-6).
Be sure Output Selector switch is not set between positions(see Section 4-1).
Check, repair, or replace remote control.
Unit overheated. (see Section 3-2).
Only maximum or minimum weld out-
put available.
Make sure Amperage control is in proper position (see Section 4-1).
Erratic or improper weld output. Use proper size and type of weld cable (see Section 3-5).
Clean and tighten all weld connections.
Check position of Output Selector control (see Section Figure 4-1).
If using remote control, check position of Amperage Adjustment control (see Section 4-1).
Lack of high frequency; difficulty in
starting GTAW arc.
Select proper size tungsten (see Section 7-1).
Select proper arc starting mode (see Section 4-4).
Be sure torch cable is not close to any grounded metal.
Check cables and torch for cracked insulation or bad connections. Repair or replace (see Section
5-1).
Check spark gaps (see Section 5-2).
Wandering arc − poor control of arc.
Reduce gas flow rate (see Section 3-6).
Select proper size tungsten (see Section 7-1).
Properly prepare tungsten (see Section 7-2).
Tungsten electrode oxidizing and not
remaining bright after conclusion of
Shield weld zone from drafts.
remaining bright after conclusion of
weld.
Increase postflow time (see Section 4-3).
weld.
Check and tighten all gas fittings (see Section 3-6).
Properly prepare tungsten (see Section 7-2).
No weld output; fan does not run. Place line disconnect switch in On position (see Section 3-10).
Check and replace line fuse(s), if necessary, or reset circuit breaker (see Section 3-10).
Check for proper input power connections (see Section 3-10).
Fan not operating; weld output
available.
Fans run only when necessary.
available.
Check for and remove anything blocking fan.
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