IM708
January, 2001
Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com
Copyright 漏 2001 Lincoln Global Inc.
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OPERATOR鈥橲 MANUAL
For use with machines Code; 10670
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IP21S
equipment is designed and built
with safety in mind. However, your
proper installation ... and thought-
ful operation on your part. DO
Lincoln arc welding and cutting
NOT INSTALL, OPERATE OR
overall safety can be increased by
REPAIR THIS EQUIPMENT
WITHOUT READING THIS
MANUAL AND THE SAFETY
PRECAUTIONS CONTAINED
THROUGHOUT. And, most
importantly, think before you act
Safety Depends on You
Where Purchased:
Date of Purchase:
Serial Number:
Code Number:
and be careful.
Designed and Manufactured Under a
CERTIFICATE NUMBER: 30273
ANSI RAB
ABS Quality Evaluations, Inc.
Quality Program Certified by
to ISO 9001 Requirements.
QMS
ISO 9001
Model:
i i
SAFETY
WARNING
CALIFORNIA PROPOSITION 65 WARNINGS
The engine exhaust from this product contains
Diesel engine exhaust and some of its constituents
chemicals known to the State of California to cause
are known to the State of California to cause can-
cancer, birth defects, or other reproductive harm.
cer, birth defects, and other reproductive harm.
The Above For Gasoline Engines
The Above For Diesel Engines
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 鈥淪afety in Welding & Cutting - ANSI Standard Z49.1鈥? from the American Welding Society, P.O. Box
351040, Miami, Florida 33135 or CSA Standard W117.2-1974. A Free copy of 鈥淎rc Welding Safety鈥? 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.
FOR ENGINE 1.h. To avoid scalding, do not remove the
radiator pressure cap when the engine is
powered equipment. hot.
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.
ELECTRIC AND
MAGNETIC FIELDS
____________________________________________________
may be dangerous
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 2.a. Electric current flowing through any conductor causes
refueling to prevent spilled fuel from vaporiz- localized Electric and Magnetic Fields (EMF). Welding
ing on contact with hot engine parts and current creates EMF fields around welding cables and
igniting. Do not spill fuel when filling tank. If welding machines
fuel is spilled, wipe it up and do not start
engine until fumes have been eliminated. 2.b. EMF fields may interfere with some pacemakers, and
____________________________________________________ welders having a pacemaker should consult their physician
1.d. Keep all equipment safety guards, covers and devices in before welding.
position and in good repair.Keep hands, hair, clothing and
tools away from V-belts, gears, fans and all other moving 2.c. Exposure to EMF fields in welding may have other health
parts when starting, operating or repairing equipment. effects which are now not known.
____________________________________________________
2.d. All welders should use the following procedures in order to
1.e. In some cases it may be necessary to remove safety
minimize exposure to EMF fields from the welding circuit:
guards to perform required maintenance. Remove
guards only when necessary and replace them when the
2.d.1. Route the electrode and work cables together - Secure
maintenance requiring their removal is complete.
them with tape when possible.
Always use the greatest care when working near moving
parts.
2.d.2. Never coil the electrode lead around your body.
___________________________________________________
1.f. Do not put your hands near the engine fan.
Do not attempt to override the governor or 2.d.3. Do not place your body between the electrode and
idler by pushing on the throttle control rods work cables. If the electrode cable is on your right
while the engine is running. 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.
___________________________________________________
1.g. To prevent accidentally starting gasoline engines while 2.d.5. Do not work next to welding power source.
turning the engine or welding generator during maintenance
work, disconnect the spark plug wires, distributor cap or
magneto wire as appropriate. Mar 鈥?95
ii ii
SAFETY
ARC RAYS can burn.
ELECTRIC SHOCK can
4.a. Use a shield with the proper filter and cover
kill. plates to protect your eyes from sparks and
3.a. The electrode and work (or ground) circuits
the rays of the arc when welding or observing
are electrically 鈥渉ot鈥? when the welder is on. open arc welding. Headshield and filter lens
Do not touch these 鈥渉ot鈥? parts with your bare should conform to ANSI Z87. I standards.
skin or wet clothing. Wear dry, hole-free
gloves to insulate hands. 4.b. Use suitable clothing made from durable flame-resistant
material to protect your skin and that of your helpers from
3.b. Insulate yourself from work and ground using dry insulation. the arc rays.
Make certain the insulation is large enough to cover your full
area of physical contact with work and ground. 4.c. Protect other nearby personnel with suitable, non-flammable
screening and/or warn them not to watch the arc nor expose
In addition to the normal safety precautions, if welding themselves to the arc rays or to hot spatter or metal.
must be performed under electrically hazardous
conditions (in damp locations or while wearing wet
FUMES AND GASES
clothing; on metal structures such as floors, gratings or
scaffolds; when in cramped positions such as sitting,
can be dangerous.
kneeling or lying, if there is a high risk of unavoidable or
accidental contact with the workpiece or ground) use 5.a. Welding may produce fumes and gases
the following equipment: hazardous to health. Avoid breathing these
鈥? Semiautomatic DC Constant Voltage (Wire) Welder. fumes and gases.When welding, keep
鈥? DC Manual (Stick) Welder. your head out of the fume. Use enough
鈥? AC Welder with Reduced Voltage Control. ventilation and/or exhaust at the arc to keep
fumes and gases away from the breathing zone. When
3.c. In semiautomatic or automatic wire welding, the electrode, welding with electrodes which require special
electrode reel, welding head, nozzle or semiautomatic ventilation such as stainless or hard facing (see
welding gun are also electrically 鈥渉ot鈥?. instructions on container or MSDS) or on lead or
cadmium plated steel and other metals or coatings
3.d. Always be sure the work cable makes a good electrical which produce highly toxic fumes, keep exposure as
connection with the metal being welded. The connection low as possible and below Threshold Limit Values (TLV)
should be as close as possible to the area being welded. using local exhaust or mechanical ventilation. In
confined spaces or in some circumstances, outdoors, a
3.e. Ground the work or metal to be welded to a good electrical respirator may be required. Additional precautions are
(earth) ground. also required when welding on galvanized steel.
5.b. Do not weld in locations near chlorinated hydrocarbon vapors
3.f. Maintain the electrode holder, work clamp, welding cable and
coming from degreasing, cleaning or spraying operations.
welding machine in good, safe operating condition. Replace
The heat and rays of the arc can react with solvent vapors to
damaged insulation.
form phosgene, a highly toxic gas, and other irritating prod-
ucts.
3.g. Never dip the electrode in water for cooling.
5.c. Shielding gases used for arc welding can displace air and
cause injury or death. Always use enough ventilation,
3.h. Never simultaneously touch electrically 鈥渉ot鈥? parts of
especially in confined areas, to insure breathing air is safe.
electrode holders connected to two welders because voltage
between the two can be the total of the open circuit voltage
5.d. Read and understand the manufacturer鈥檚 instructions for this
of both welders.
equipment and the consumables to be used, including the
material safety data sheet (MSDS) and follow your
3.i. When working above floor level, use a safety belt to protect
employer鈥檚 safety practices. MSDS forms are available from
yourself from a fall should you get a shock.
your welding distributor or from the manufacturer.
3.j. Also see Items 6.c. and 8.
5.e. Also see item 1.b.
Mar 鈥?95
iii iii
SAFETY
WELDING SPARKS can CYLINDER may explode
cause fire or explosion. if damaged.
6.a. Remove fire hazards from the welding area.
7.a. Use only compressed gas cylinders
If this is not possible, cover them to prevent
containing the correct shielding gas for the
the welding sparks from starting a fire.
process used and properly operating
Remember that welding sparks and hot
regulators designed for the gas and
materials from welding can easily go through small cracks
pressure used. All hoses, fittings, etc. should be suitable for
and openings to adjacent areas. Avoid welding near
the application and maintained in good condition.
hydraulic lines. Have a fire extinguisher readily available.
7.b. Always keep cylinders in an upright position securely
6.b. Where compressed gases are to be used at the job site,
chained to an undercarriage or fixed support.
special precautions should be used to prevent hazardous
situations. Refer to 鈥淪afety in Welding and Cutting鈥? (ANSI
7.c. Cylinders should be located:
Standard Z49.1) and the operating information for the
鈥? Away from areas where they may be struck or subjected to
equipment being used.
physical damage.
6.c. When not welding, make certain no part of the electrode
鈥? A safe distance from arc welding or cutting operations and
circuit is touching the work or ground. Accidental contact
any other source of heat, sparks, or flame.
can cause overheating and create a fire hazard.
7.d. Never allow the electrode, electrode holder or any other
6.d. Do not heat, cut or weld tanks, drums or containers until the
electrically 鈥渉ot鈥? parts to touch a cylinder.
proper steps have been taken to insure that such procedures
will not cause flammable or toxic vapors from substances
7.e. Keep your head and face away from the cylinder valve outlet
inside. They can cause an explosion even though they have
when opening the cylinder valve.
been 鈥渃leaned鈥?. For information, purchase 鈥淩ecommended
Safe Practices for the Preparation for Welding and Cutting of
7.f. Valve protection caps should always be in place and hand
Containers and Piping That Have Held Hazardous
tight except when the cylinder is in use or connected for
Substances鈥?, AWS F4.1 from the American Welding Society
use.
(see address above).
7.g. Read and follow the instructions on compressed gas
6.e. Vent hollow castings or containers before heating, cutting or
cylinders, associated equipment, and CGA publication P-l,
welding. They may explode.
鈥淧recautions for Safe Handling of Compressed Gases in
Cylinders,鈥? available from the Compressed Gas Association
6.f. Sparks and spatter are thrown from the welding arc. Wear oil
1235 Jefferson Davis Highway, Arlington, VA 22202.
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.
FOR ELECTRICALLY
Always wear safety glasses with side shields when in a
powered equipment.
welding area.
6.g. Connect the work cable to the work as close to the welding
8.a. Turn off input power using the disconnect
area as practical. Work cables connected to the building
switch at the fuse box before working on
framework or other locations away from the welding area
the equipment.
increase the possibility of the welding current passing
through lifting chains, crane cables or other alternate cir-
8.b. Install equipment in accordance with the U.S. National
cuits. This can create fire hazards or overheat lifting chains
Electrical Code, all local codes and the manufacturer鈥檚
or cables until they fail.
recommendations.
6.h. Also see item 1.c.
8.c. Ground the equipment in accordance with the U.S. National
Electrical Code and the manufacturer鈥檚 recommendations.
Mar 鈥?95
iv iv
SAFETY
zones o霉 l鈥檕n pique le laitier.
PR脡CAUTIONS DE S脹RET脡
6. Eloigner les mat茅riaux inflammables ou les recouvrir afin de
Pour votre propre protection lire et observer toutes les instructions
pr茅venir tout risque d鈥檌ncendie d没 aux 茅tincelles.
et les pr茅cautions de s没ret茅 specifiques qui parraissent dans ce
manuel aussi bien que les pr茅cautions de s没ret茅 g茅n茅rales suiv-
7. Quand on ne soude pas, poser la pince 脿 une endroit isol茅 de
antes:
la masse. Un court-circuit accidental peut provoquer un
茅chauffement et un risque d鈥檌ncendie.
S没ret茅 Pour Soudage A L鈥橝rc
1. Protegez-vous contre la secousse 茅lectrique:
8. S鈥檃ssurer que la masse est connect茅e le plus pr茅s possible
de la zone de travail qu鈥檌l est pratique de le faire. Si on place
a. Les circuits 脿 l鈥櫭﹍ectrode et 脿 la pi茅ce sont sous tension
la masse sur la charpente de la construction ou d鈥檃utres
quand la machine 脿 souder est en marche. Eviter toujours
endroits 茅loign茅s de la zone de travail, on augmente le risque
tout contact entre les parties sous tension et la peau nue
de voir passer le courant de soudage par les chaines de lev-
ou les v茅tements mouill茅s. Porter des gants secs et sans
age, c芒bles de grue, ou autres circuits. Cela peut provoquer
trous pour isoler les mains.
des risques d鈥檌ncendie ou d鈥檈chauffement des chaines et des
b. Faire tr茅s attention de bien s鈥檌soler de la masse quand on
c芒bles jusqu鈥櫭? ce qu鈥檌ls se rompent.
soude dans des endroits humides, ou sur un plancher
metallique ou des grilles metalliques, principalement dans
9. Assurer une ventilation suffisante dans la zone de soudage.
les positions assis ou couch茅 pour lesquelles une grande
Ceci est particuli茅rement important pour le soudage de t么les
partie du corps peut 锚tre en contact avec la masse.
galvanis茅es plomb茅es, ou cadmi茅es ou tout autre m茅tal qui
c. Maintenir le porte-茅lectrode, la pince de masse, le c芒ble
produit des fume茅s toxiques.
de soudage et la machine 脿 souder en bon et s没r 茅tat
defonctionnement.
10. Ne pas souder en pr茅sence de vapeurs de chlore provenant
d.Ne jamais plonger le porte-茅lectrode dans l鈥檈au pour le
d鈥檕p茅rations de d茅graissage, nettoyage ou pistolage. La
refroidir.
chaleur ou les rayons de l鈥檃rc peuvent r茅agir avec les vapeurs
e. Ne jamais toucher simultan茅ment les parties sous tension
du solvant pour produire du phosg茅ne (gas fortement toxique)
des porte-茅lectrodes connect茅s 脿 deux machines 脿 souder
ou autres produits irritants.
parce que la tension entre les deux pinces peut 锚tre le
total de la tension 脿 vide des deux machines.
11. Pour obtenir de plus amples renseignements sur la s没ret茅,
f. Si on utilise la machine 脿 souder comme une source de
voir le code 鈥淐ode for safety in welding and cutting鈥? CSA
courant pour soudage semi-automatique, ces precautions
Standard W 117.2-1974.
pour le porte-茅lectrode s鈥檃pplicuent aussi au pistolet de
soudage.
2. Dans le cas de travail au dessus du niveau du sol, se prot茅ger
contre les chutes dans le cas ou on recoit un choc. Ne jamais
PR脡CAUTIONS DE S脹RET脡 POUR
enrouler le c芒ble-茅lectrode autour de n鈥檌mporte quelle partie
LES MACHINES 脌 SOUDER 脌
du corps.
TRANSFORMATEUR ET 脌
3. Un coup d鈥檃rc peut 锚tre plus s茅v猫re qu鈥檜n coup de soliel,
REDRESSEUR
donc:
a. Utiliser un bon masque avec un verre filtrant appropri茅
ainsi qu鈥檜n verre blanc afin de se prot茅ger les yeux du ray- 1. Relier 脿 la terre le chassis du poste conformement au code de
onnement de l鈥檃rc et des projections quand on soude ou l鈥櫭﹍ectricit茅 et aux recommendations du fabricant. Le dispositif
quand on regarde l鈥檃rc. de montage ou la piece 脿 souder doit 锚tre branch茅 脿 une
b. Porter des v锚tements convenables afin de prot茅ger la bonne mise 脿 la terre.
peau de soudeur et des aides contre le rayonnement de
l鈥榓rc. 2. Autant que possible, I鈥檌nstallation et l鈥檈ntretien du poste seront
c. Prot茅ger l鈥檃utre personnel travaillant 脿 proximit茅 au effectu茅s par un 茅lectricien qualifi茅.
soudage 脿 l鈥檃ide d鈥櫭ヽrans appropri茅s et non-inflammables.
3. Avant de faires des travaux 脿 l鈥檌nterieur de poste, la debranch-
4. Des gouttes de laitier en fusion sont 茅mises de l鈥檃rc de er 脿 l鈥檌nterrupteur 脿 la boite de fusibles.
soudage. Se prot茅ger avec des v锚tements de protection libres
de l鈥檋uile, tels que les gants en cuir, chemise 茅paisse, pan- 4. Garder tous les couvercles et dispositifs de s没ret茅 脿 leur
talons sans revers, et chaussures montantes. place.
5. Toujours porter des lunettes de s茅curit茅 dans la zone de
soudage. Utiliser des lunettes avec 茅crans lateraux dans les
Mar. 鈥?93
v v
SAFETY
ELECTROMAGNETIC COMPATIBILITY (EMC)
Conformance
Products displaying the CE mark are in conformity with European Community Council Directive of 3 May
1989 on the approximation of the laws of the Member States relating to electromagnetic compatibility
(89/336/EEC). It was manufactured in conformity with a national standard that implements a harmonized
standard: EN 50 199 Electromagnetic Compatibility (EMC) Product Standard for Arc Welding Equipment. It
is for use with other Lincoln Electric equipment. It is designed for industrial and professional use.
Introduction
All electrical equipment generates small amounts of electromagnetic emission. Electrical emission may be
transmitted through power lines or radiated through space, similar to a radio transmitter. When emissions are
received by other equipment, electrical interference may result. Electrical emissions may affect many kinds of
electrical equipment; other nearby welding equipment, radio and TV reception, numerical controlled machines,
telephone systems, computers, etc. Be aware that interference may result and extra precautions may be required
when a welding power source is used in a domestic establishment.
Installation and Use
The user is responsible for installing and using the welding equipment according to the manufacturer s instructions.
If electromagnetic disturbances are detected then it shall be the responsibility of the user of the welding equipment
to resolve the situation with the technical assistance of the manufacturer. In some cases this remedial action may
be as simple as earthing (grounding) the welding circuit, see Note. In other cases it could involve constructing an
electromagnetic screen enclosing the power source and the work complete with associated input filters. In all cases
electromagnetic disturbances must be reduced to the point where they are no longer troublesome.
Note: The welding circuit may or may not be earthed for safety reasons according to national codes.
Changing the earthing arrangements should only be authorized by a person who is competent to
assess whether the changes will increase the risk of injury, e.g., by allowing parallel welding
current return paths which may damage the earth circuits of other equipment.
Assessment of Area
Before installing welding equipment the user shall make an assessment of potential electromagnetic problems in the
surrounding area. The following shall be taken into account:
a) other supply cables, control cables, signaling and telephone cables; above, below and adjacent to the
welding equipment;
b) radio and television transmitters and receivers;
c) computer and other control equipment;
d) safety critical equipment, e.g., guarding of industrial equipment;
e) the health of the people around, e.g., the use of pacemakers and hearing aids;
f) equipment used for calibration or measurement;
g) the immunity of other equipment in the environment. The user shall ensure that other equipment being
used in the environment is compatible. This may require additional protection measures;
h) the time of day that welding or other activities are to be carried out.
3-1-96H
L10093
V350-PRO (CE)
vi vi
SAFETY
ELECTROMAGNETIC COMPATIBILITY (EMC)
The size of the surrounding area to be considered will depend on the structure of the building and other
that are taking place. The surrounding area may extend beyond the boundaries of the premises.
Methods of Reducing Emissions
Mains Supply
Welding equipment should be connected to the mains supply according to the manufacturer s recomme
If interference occurs, it may be necessary to take additional precautions such as filtering of the mains s
Consideration should be given to shielding the supply cable of permanently installed welding equipment
conduit or equivalent. Shielding should be electrically continuous throughout its length. The shielding s
connected to the welding power source so that good electrical contact is maintained between the condu
welding power source enclosure.
Maintenance of the Welding Equipment
The welding equipment should be routinely maintained according to the manufacturer s recommendatio
access and service doors and covers should be closed and properly fastened when the welding equipm
operation. The welding equipment should not be modified in any way except for those changes and adj
covered in the manufacturers instructions. In particular, the spark gaps of arc striking and stabilizing de
be adjusted and maintained according to the manufacturer s recommendations.
Welding Cables
The welding cables should be kept as short as possible and should be positioned close together, runnin
to the floor level.
Equipotential Bonding
Bonding of all metallic components in the welding installation and adjacent to it should be considered. H
metallic components bonded to the work piece will increase the risk that the operator could receive a sh
touching these metallic components and the electrode at the same time. The operator should be insula
such bonded metallic components.
Earthing of the Workpiece
Where the workpiece is not bonded to earth for electrical safety, not connected to earth because of its s
position, e.g., ships hull or building steelwork, a connection bonding the workpiece to earth may reduce
in some, but not all instances. Care should be taken to prevent the earthing of the workpiece increasing
of injury to users, or damage to other electrical equipment. Where necessary, the connection of the wor
earth should be made by a direct connection to the workpiece, but in some countries where direct conn
permitted, the bonding should be achieved by suitable capacitance, selected according to national regu
Screening and Shielding
Selective screening and shielding of other cables and equipment in the surrounding area may alleviate p
1
interference. Screening of the entire welding installation may be considered for special applications.
1
Portions of the preceding text are contained in EN50199: "Electromagnetic Compatibility (EMC) pro
arc welding equipment."
V350-PRO (CE)
vii vii
for selecting a QUALITY product by Lincoln Electric. We want you
Thank You to take pride in operating this Lincoln Electric Company product
鈥⑩?⑩?? as much pride as we have in bringing this product to you!
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.
Model Name & Number _____________________________________
Code & Serial Number _____________________________________
Date of Purchase _____________________________________
Whenever you request replacement parts for or information on this equipment always supply the information
you have recorded above.
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.
CAUTION
This statement appears where the information must be followed to avoid minor personal injury or damage to
this equipment.
viii viii
TABLE OF CONTENTS
Page
Installation .......................................................................................................Section A
Technical Specifications ........................................................................................A-1
Safety Precautions ..........................................................................................A-2
Select Suitable Location..................................................................................A-2
Stacking ..........................................................................................................A-2
Tilting...............................................................................................................A-2
Input and Grounding Connections ..................................................................A-2
Power Cord Connection ..................................................................................A-2
Connection of Wire Feeders to V350-PRO (CE).............................................A-2
Remote Control of Invertec .............................................................................A-3
Undercarriage Mountings................................................................................A-3
Parallel Operations..........................................................................................A-4
Ouick Disconnect Plugs ..................................................................................A-4
Operation .........................................................................................................Section B
Additional Safety Precautions ...............................................................................B-1
General Description and Duty Cycle......................................................................B-1
Operational Features and Controls.........................................................B-1 Thru B-3
Remote Control of the Output Control and Weld Terminals ..................................B-3
Design Features and Advantages .........................................................................B-4
Auxiliary Power ......................................................................................................B-5
Limitations..............................................................................................................B-5
Recommended Processes ....................................................................................B-5
Accessories .....................................................................................................Section C
General Options / Accessories ..............................................................................C-1
鈥淐E鈥? Version ........................................................................................................................C-1
Field Installed Options/Accessories.......................................................................C-1
Maintenance ....................................................................................................Section D
Safety Precautions ................................................................................................D-1
CAPACITOR DISCHARGE PROCEDURE..........................................................................D-1
VISUAL INSPECTION...................................................................................................D-1
ROUTINE MAINTENANCE ............................................................................................D-1
PERIODIC MAINTENANCE ...........................................................................................D-1
Section E ..............................................................................................Troubleshooting
Safety Precautions.................................................................................................E-1
How to Use Troubleshooting Guide.......................................................................E-1
Troubleshooting Guide ...........................................................................E-2 Thru E-3
Fault Codes ...........................................................................................................E-4
Displays .................................................................................................................E-5
Connection , Wiring Diagrams and Dimension Prints .................................Section F
Parts List ......................................................................................................P389 Series
A-1 A-1
INSTALLATION
TECHNICAL SPECIFICATIONS - INVERTEC V350-PRO (CE)
INPUT AC VOLTAGE & DC OUTPUT
Product Ordering Input AC Rated DC Output Output Weight Dimensions
Name Information Voltage Amps/Volts/Duty Cycle Range with Cord HxWxD
50/60 Hz (continuous)
350A / 34V / 60% 14.7鈥漻12.5鈥漻
Invertec 200-220/ 3 Phase 27.8鈥?*
V350- K1728-3 380-400/ 320A / 33V / 60% AMPS 82.5lbs (373x318x
PRO 鈥淐E鈥? 415-440/ 1 Phase 5-425 (37.4 kg) 706*)mm
60/50 Hz
275A / 31V /100%
1 & 3 Phase * Includes
handles
* Overall Length Including Handle, 27.8鈥? (706mm) without handle.
V350-PRO (CE) INPUT CURRENT (CE)
Recommended Fuse Sizes Based On The U.S. National Electrical Code And Maximum Machine Outputs
Input 50/60 Hz Output Recommended
Voltage Phases 275Amps@ 350Amps@ Line Cord Size Fuse Size Notes
31Volts(100%) 34Volts(60%) AWG[IEC] SIZES
200 3 35 48 6 80A Note 2
220 3 35 48 6 80A Note 2
380 3 21 28 8 50A
400 3 20 27 8 50A
415 3 19 26 8 50A
440 3 18 24 8 50A
Voltage Phases 275Amps@ 320Amps@ Line Cord Size Fuse Size Notes
31Volts(100%) 33Volts(60%)
200 1 ---- ---- --- ----- Note 1
220 1 64 82 4 125A Note 2
380 1 44 55 6 80A Note 2
400 1 40 50 8 80A
415 1 38 48 8 80A
440 1 35 45 8 80A
1. Not rated is indicated by 4-x's in the box on the rating plate
2. When operating on these inputs, the line cord should be changed to an input conductor of 6 AWG or larger.
OUTPUT CABLES, CONNECTIONS AND LIMITATIONS
Select the output cable size based upon the following chart.
Cable sizes for Combined Length of Electrode and Work Cable (Copper) 75C rated:
DUTY CYCLE CURRENT LENGTH UP 61m (200 FT) 61-76m (200-250 FT)
100% 275 1/0 1/0
60% 350 1/0 2/0
V350-PRO (CE)
A-2 A-2
INSTALLATION
SAFETY PRECAUTIONS BLACK
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A AMPS
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ELE N TERM
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V3
50
-P
RO
POWER
ON
OFF
鈥? TURN THE INPUT POWER OFF AT
THE DISCONNECT SWITCH BEFORE
Single Phase Input
ATTEMPTING TO CONNECT OR DIS-
Connect green/yellow lead to ground per National
CONNECT INPUT POWER LINES, OUTPUT
Electrical Code.
CABLES, OR CONTROL CABLES. Connect blue and brown leads to power.
鈥? Only qualified personnel should perform this Wrap black lead with tape to provide 600V insulation.
installation. Three Phase Input
鈥? Connect the green/yellow lead of the power Connect green/yellow lead to ground per appropriate
cord to ground per appropriate National National Electric Code.
Electrical Code. Connect blue, black and brown leads to power.
----------------------------------------------------------------------
SELECT SUITABLE LOCATION CONNECTIONS OF WIRE FEEDERS TO V350-PRO (CE)
LN-25 Connection Instructions
The Invertec V350-PRO (CE) will operate in harsh
environments. Even so, it is important that simple pre- 鈥? Turn the Invertec power switch "off".
ventative measures are followed in order to assure 鈥? Connect the electrode cable to the output terminal of
long life and reliable operation. polarity required by electrode. Connect the work lead to
鈥? The machine must be located where there is free cir- the other terminal.
culation of clean air such that air movement in the 鈥? LN-25 with Remote Control options can be used with the
back, out the sides and bottom will not be restricted. "CE" version of the V350. The 6 Pin (K444-1) and 14 pin
鈥? Dirt and dust that can be drawn into the machine (K444-2) remotes can be connected directly to the 6 & 14
should be kept to a minimum. Failure to observe pin amphenols. The 42 Volt Remote Voltage and Output
these precautions can result in excessive operating Control (K624-1) Kit can be connected to the V350鈥檚
temperatures and nuisance shutdown.
24/42 VAC amphenol using Remote Control Cable
鈥? Keep machine dry. Shelter from rain and snow. Do assembly K627- [ ]. LN-25s with a K431-1 remote kit can
not place on wet ground or in puddles. be connected to the V350鈥檚 24/42 VAC amphenol using a
K432 cable and K876 adapter. (See connection diagram
STACKING
S19899). Or the K432 cable could be modified with a
V350-PRO (CE) cannot be stacked.
K867 Universal Adapter Plug (See connection diagram
S19405) to connect it to the V350鈥檚 24/42 VAC amphenol.
TILTING
Place the machine directly on a secure, level surface
LN-7 Connection Instructions
or on a recommended undercarriage. The machine
鈥? Turn the Invertec power switch "off".
may topple over if this procedure is not followed.
鈥? Connect the K480 control cable from the LN-7 to the
115VAC 14-pin wire feeder amphenol connector on
INPUT AND GROUNDING CONNECTIONS
the rear of the Invertec.
鈥? Only a qualified electrician should connect the
鈥? Connect the electrode cable to the output terminal of
Invertec V350-PRO (CE). Installation should be
the polarity required by electrode. Connect the work
made in accordance with the appropriate National
lead to the other terminal.
Electrical Code, all local codes and the information
鈥? Set the meter polarity switch on the front of the
detailed below.
Invertec to coincide with wire feeder polarity used.
鈥? When received directly from the factory, multiple
The wire feeder will now display the welding voltage.
voltage machines are internally connected for
鈥? If K480 is not available, see connection diagram
440VAC. If 440VAC is the desired input, then the
S19404 for modification of K291 or K404 LN-7 input
machine may be connected to the power system
cable with K867 Universal Adapter Plug.
without any setup required inside the machine.
鈥? If a remote control such as K857 is to be used with
鈥? Initial 200VAC - 415VAC operation will require an
the LN-7, the remote can be connected directly to
Input voltage panel setup.
the 6 pin amphenol on the front of the Invertec or
鈥? Open the access panel on the rear of the machine.
use a K864 adapter to connect the LN-7 and the
鈥? For 200 or 230: Position the large switch to 200-230.
For higher voltages: Position the large switch to 鈮? 380. remote to the 115VAC 14-pin amphenol connector
on the rear of the Invertec. (See connection diagram
鈥? Move the "A" lead to the appropriate terminal.
S19901)
POWER CORD CONNECTION
A 5 meter power cord is wired into the machine.
Follow the power cord connection instructions. V350-PRO (CE)
Incorrect connection may result in equipment damage.
A-3 A-3
INSTALLATION
TIG MODULE K930-2
LN-10 Connection Instructions
The TIG Module connects to the 鈥淐E鈥? version with a
鈥? Turn the Invertec power switch "off".
K936-1 (9-14 pin) control cable. Connect the K936-1
鈥? Connect the K1505 control cable from the LN-10 to
to the 115VAC Wire Feeder Amphenol on the rear of
the Invertec 24/42VAC 14-pin amphenol connector
the V350-PRO (CE).
on the rear of the Invertec.
鈥? Connect the electrode cable to the output terminal
of polarity required by the electrode. Connect the
CONNECTION OF WIRE FEEDERS TO V350-PRO (CE)
work lead to the other terminal.
Wire feeders other than LN-7, LN-10 and LN-25 may
鈥? Set the meter polarity switch on the front of the
be used provided that the auxiliary power supply
Invertec to coincide with wire feeder polarity used.
capacity of the Invertec is not exceeded. K867
鈥? See the LN-10 manual for details on accessing
Universal Adapter Plug may be required. See con-
Control DIP Switch
nection diagram S24985 on page F-4.
LN-742 Connection Instructions
REMOTE CONTROL OF INVERTEC
鈥? Turn the Invertec power switch "off"
Remote Control K857, Hand Amptrol K963 and Foot
鈥? Either a K591 or a K593 Input cable assembly is
Amptrol K870.
required to connect the LN-742 to the Invertec.
鈥? Connect the control cable from the LN-742 to the
24/42 VAC 14-pin wire feeder amphenol on the rear
UNDERCARRIAGE MOUNTINGS
of the Invertec.
鈥? Connect the electrode cable to the output terminal
MOUNTING HOLE LOCATIONS
of the polarity required by electrode. Connect the NOTE: MOUNTING SCREWS CA N NOT PROTRUDE MORE THAN
work lead to the other terminal. 0.5 INCHES INSIDE THE MACHINE.
鈥? Set the meter polarity switch on the front of the 3.50
Invertec to coincide with wire feeder polarity used.
The wire feeder will now display the welding volt-
1/4-20 NUT (4 PLACES)
age. 5.50
鈥? If a remote control such as K857 is to be used with
the LN-742, the remote can be connected directly to
10.00
the 6pin amphenol on the front of the Invertec or use
a K864 adapter to connect the LN-742 and the
remote to the 24/42VAC 14-pin wire feeder amphe- 8/00
11.84
M19527
nol connector on the rear of the Invertec.
Cobramatic Connection Instructions
鈥? Turn the Invertec power switch "off"
鈥? Connect the control cable from the Cobramatic to
the 24/42 VAC 14-pin wire feeder amphenol on the
rear of the Invertec.
鈥? Connect the electrode cable to the output terminal
of the polarity required by electrode. Connect the
work lead to the other terminal.
鈥? Set the meter polarity switch on the front of the
Invertec to coincide with wire feeder polarity used.
鈥? If a remote control such as K857 is to be used with
the Cobramatic, the remote can be connected
directly to the 6pin amphenol on the front of the
Invertec or use a K864 adapter to connect the
cobramatic and the remote to the 24/42VAC 14-pin
wire feeder amphenol connector on the rear of the
Invertec.
V350-PRO (CE)
A-4 A-4
INSTALLATION
PARALLEL OPERATION
The V350-PRO (CE) are operable in parallel in CC
mode. For best results, the currents of each machine
should be reasonably well shared. As an example,
with two machines set up in parallel for a 400 amp
procedure, each machine should be set to deliver
approximately 200 amps, not 300 amps from one and
100 amps from the other. This will minimize nuisance
shutdown conditions. In general, more than two
machines in parallel will not be effective due to the
voltage requirements of procedures in that power
range.
To set machine outputs, start with output control pots
and arc control pots in identical positions. Use the
output control pots to balance the currents and main-
tain the desired voltage or current. The arc control
pots should be kept identical on the two machines.
QUICK DISCONNECT PLUGS
A quick disconnect system is used for the welding
cable connections. The welding plug included with the
machine is designed to accept a welding cable size of
1/0 to 2/0.
1. Remote 25mm (1 in.) of welding cable insulation.
2. Slide rubber boot onto cable end. The boot end
may be trimmed to match the cable diameter.
Soap or other lubricant will help to slide the boot
over the cable.
BOOT
WELDING CABLE
25 mm
TRIM
1 in.
3. Slide the copper tube into the brass plug.
4. Insert cable into copper tube.
SET SCREW
BRASS PLUG
COPPER TUBE
5. Tighten set screw to collapse copper tube. Screw
must apply pressure against welding cable. The
top of the set screw will be well below the surface
of the brass plug after tightening.
6. Slide rubber boot over brass plug. The rubber
boot must be positioned to completely cover all
electrical surfaces after the plug is locked into the
receptacle.
V350-PRO (CE)
B-1 B-1
OPERATION
SAFETY PRECAUTIONS OPERATIONAL FEATURES and CONTROLS:
UPPER CONTROL PANEL
WARNING 1. AMPS Meter
ELECTRIC SHOCK can kill. 鈥? Prior to STICK or TIG operation (current flow), the
鈥? Do not touch electrically live parts or meter displays preset current value (either 2 amps
electrode with skin or wet clothing. or +/- 3% (e.g. 3 amps on 100), whichever is
鈥? Insulate yourself from work and greater).
ground. 鈥? Prior to CV operation, the meter displays four dash-
鈥? Always wear dry insulating gloves. es indicating non-presettable AMPS.
------------------------------------------------------------------------ 鈥? During welding, this meter displays actual average
FUMES AND GASES can be danger- amps.
ous. 鈥? After welding, the meter holds the actual current
鈥? Keep your head out of fumes. value for 5 seconds. Output adjustment while in the
鈥? Use ventilation or exhaust to remove "hold" period results in the "prior to operation" char-
fumes from breathing zone. acteristics stated above. The displays blink indicat-
------------------------------------------------------------------------ ing that the machine is in the "Hold" period.
WELDING SPARKS can cause fire or
explosion. 2. VOLT METER
鈥? Keep flammable material away. 鈥? Prior to CV operation (current flow), the meter dis-
鈥? Do not weld on closed containers. plays desired preset voltage value (+/- .5V).
鈥? Prior to STICK or TIG operation, the meter displays
------------------------------------------------------------------------ the Open Circuit Voltage of the Power Source or
ARC RAYS can burn eyes and skin. four dashes if the output has not been turned on.
鈥? Wear eye, ear and body 鈥? During welding, this meter displays actual average
protection. volts.
鈥? After welding, the meter holds the actual voltage
value for 5 seconds. The displays blink indicating
------------------------------------------------------------
that the machine is in the "Hold" period.
鈥? Output adjustment while in the "hold" period results
See additional warning information at in the "prior to operation" characteristics stated
front of this operator鈥檚 manual. above.
-----------------------------------------------------------
3. OUTPUT CONTROL
GENERAL DESCRIPTION 鈥? Output control is conducted via a single turn poten-
tiometer.
鈥? Adjustment is indicated by the meters as stated
PRODUCT DESCRIPTION & DUTY CYCLE
above.
The Invertec V350-PRO (CE) offers multi mode CV
鈥? When in TIG modes, this control sets the maximum
and CC DC welding and is rated at 350 amps, 34 volts
welding current. Full depression of a foot or hand
at a 60% duty cycle with 3 phase input. It is also rated
Amptrol results in the preset level of current.
at 320 amps with single phase input. It is rated at 275
amps, 100% duty cycle.
4. WELD TERMINALS-REMOTE , ON
鈥? Two status lights indicate the location of trigger con-
trol as determined by the "WELD TERMINALS"
push button.
鈥? If trigger control is local "weld terminals on", the ON
display will be lit.
鈥? If trigger control is remote "weld terminals remotely
controlled", the REMOTE display will be lit.
鈥? The unit will power up in "pre-determined preferred"
trigger modes.
STICK = ON
TIG and CV = ON or REMOTE depending if remote
output controls are connected to the machine.
V350-PRO (CE)
B-2 B-2
OPERATION
5. THERMAL 7. WELD MODE SELECT
鈥? This status light indicates when the power source The Mode Control button selects the following welding
has been driven into thermal overload. If the output modes desired.
terminals were "ON", the "ON" light will blink indicat-
ing that the output will be turned back on once the CC-STICK SOFT: The Stick Soft process features
unit cools down to an acceptable temperature level. continuous control ranging from 5 to 425 amps. This
If the unit was operating in the "REMOTE" mode, mode was intended for most SMAW applications, and
the trigger will need to be opened before or after the Arc Gouging.
thermal has cleared and closed after the machine
has cooled down to an acceptable temperature to 鈥? Arc Gouging: Setting the output of the Stick Soft
establish output. mode to 425 amps will enable the arc-gouging
mode. The actual output current will depend on the
size of carbon used. The recommended maximum
6. CONTROL-REMOTE , LOCAL
size carbon is 5/16".
鈥? Two status lights indicate the location of output con-
鈥? The Hot Start control regulates the starting current
trol as pre-determined by the power sources auto-
at arc initiation. Hot Start can be adjusted from min-
configure system.
imum (0), with no additional current added at arc
鈥? The LOCAL display will be lit when control is at the
start, to maximum (10), with double the preset cur-
power source.
rent or 425 amps (max of machine) added for the
鈥? The REMOTE display will be lit when a remote
first second after arc initiation.
pot/control is detected.
鈥? The Arc Control regulates the Arc Force to adjust
These Output Control configurations can be overrid-
the short circuit current. The minimum setting (-10)
den (switched) with the CONTROL push button.
will produce a "soft" arc and will produce minimal
When changed, the unit will power up in the configura-
spatter. The maximum setting (+10) will produce a
tion it was in when it was last powered down.
"crisp" arc and will minimize electrode sticking.
Hidden Middle Control Panel 鈥? Process CC-STICK CRISP: The Stick Crisp mode features
Set Up Panel continuous control from 5 to 425 amps. This mode
The middle control panel is removable to allow for was intended primarily for pipe welding applications.
upgrades (see Field Installed Options/Accessories).
鈥? The Hot Start control regulates the starting current
Additionally, this panel is hidden by an access door to
at arc initiation. Hot Start can adjust starting current
reduce appeared complexity and provide protection to
up or down by 25% of the preset value. The recom-
the controls.
mended setting for Hot Start is 5 where the initial
current is equal to the preset current.
1
2
5 A MPS V OL
OLTS
3
6 CONTR
CONTROL WELD TERMINALS
REMOTE
REMOTE REMOTE
REMOTE
LOCAL ON
OUTPUT
4
SELECT SELECT
7 m WELD MODE HOT START
HOT STAR ARC CONTROL
CONTROL
5
CC-STICK SOFT 0
6
4 -2 +2
CC-STICK CRISP -4 +4
7
3
TIG GTAW
GT 8 -6 +6
2
CV-WIRE
CV-WIRE
1 9 -8 +8
SELECT
CV-FLUX CORED
CV-FLUX 0
-10 +10
10
SOFT CRISP
11 8
9
12 ON
ON
OFF OFF OFF
OFF
OFF
OF
10
V350-PRO (CE)
B-3 B-3
OPERATION
鈥? The Arc Control regulates the relative Slope of the 鈥? The Hot Start control is not used in the CV-FLUX
process. Slope dynamically controls the force the CORED mode.
arc has to penetrate an open root. At the minimum 鈥? The Arc Control regulates pinch effect. At the mini-
setting, Arc Control is very soft and is similar to the mum setting (-10), minimizes pinch and results in a
Stick Soft mode. At the maximum setting, the slope soft arc. At the maximum setting (+10), maximizes
is reduced, the OCV is reduced, and the operator pinch effect and results in a crisp arc. Most self-
has full control off the arc force required to pene- shielded wires work well at an Arc Control setting of 5.
trate an open root joint. For vertical down, open root
pipe welding applications, the recommended setting 8. HOT START and ARC CONTROL features have
is between 8 and 10. different functions depending on the welding Mode
鈥? During welding, a boost circuit increases the avail- that is active. Each feature is described under the
able voltage to minimize pop outs. The boost circuit welding mode heading. (See Item 6 for specified
is independent of the OCV and only operates when Mode Operation)
an arc is lit.
LOWER CASE FRONT
TIG GTAW: The TIG mode features continuous con- The output studs, line switch and remote connector
trol from 5 to 425 amps. The TIG mode can be run in are located on the lower case front.
either the TIG touch start or high frequency assisted
start mode. 9. Both STUDS contain "Twist-Mate" connector
inserts.
鈥? The Hot Start control selects the starting mode 鈥? The Negative stud is configured to accept the
desired. A setting of less than 5, the TIG lift start pass through gas system.
mode is selected. The OCV is controlled below 10v 10. The ON-OFF switch is a 3-phase circuit breaker
and the short circuit "TIG touch" current is main- rated at 100 amps per leg.
tained at 25 amps independent of the preset current. 11. The METER POLARITY switch is located above
When the tungsten is lifted, an arc is initiated and the the output connectors. The switch provides a work
output is regulated at the preset value. Hot start set- connection for wire feeder voltmeters. Place the
tings between 0 and 5 regulate the arc initiation cur- switch in the position of the electrode polarity indi-
rent. A setting of 5 results in the most positive arc ini- cated by the decal. The switch does not change
tiation. A setting of 0 reduces hot start. the welding polarity.
鈥? Hot Start settings between 5 and 10, select high fre- 12. 6-PIN AMPENOL for remote control.
quency assisted starting TIG mode. In this range, the
OCV of the machine is controlled between 50 and 70
REMOTE CONTROL of the OUTPUT CON-
volts. If using the Lincoln K930-1 TIG Module, set
TROL and WELD TERMINALS
the Hot start to 10 for maximum OCV.
The Invertec V350-PRO (CE) has auto sensing of
鈥? The Arc Control is not used in the TIG mode.
remote output controls.If after connecting or removing
a remote, the Invertec V350-PRO (CE) did not config-
CV-WIRE: The CV-WIRE mode features continuous
ured the way you would like the local or remote con-
control from 10 to 45 volts. The mode was intended
trol settings can be changed by pushing the OUTPUT
for most GMAW, FCAW, and MCAW applications.
CONTROL or WELD TERMINAL button. (A user can-
not select between the 6 and 14 pin amphenols.)
鈥? The Hot Start control is not used in the CV-WIRE
mode.
CV modes
鈥? The Arc Control regulates pinch effect. At the mini-
鈥? The remote will default to the 14-pin amphenol
mum setting (-10), minimizes pinch and results in a
remote if a remote is connected to either of the 14-
soft arc. Low pinch settings are preferable for weld-
pin amphenols and the 6-pin amphenol. Note: Only
ing with gas mixes containing mostly inert gases. At
one of the 14-pin amphenols can have a remote
the maximum setting (+10), maximizes pinch effect
control connected at a time. If no remote is connect-
and results in a crisp arc. High pinch settings are
ed to either of the 14-pin amphenols then the
preferable for welding FCAW and GMAW with CO2.
remote will default to the 6-pin amphenol if a remote
is connected to it.
CV-INNERSHIELD: The CV-INNERSHIELD mode
鈥? If a remote control is connected or is not connect-
features continuous control from 10 to 45 volts. This
ed to any of the amphenols the WELD TERMINAL
mode was designed for self-shielded flux cored wires
control will default to REMOTE.
that require tight voltage control.
V350-PRO (CE)
B-4 B-4
OPERATION
TIG mode
Types of Remote WELD TERMINAL Control
鈥? The remote will default to the 6-pin amphenol if a
鈥? The Invertec V350-PRO (CE)鈥檚 Weld Terminals can
remote control is connected to the 6-pin amphenol
be controlled from each of the amphenol connec-
and one of the 14-pin amphenols. If a remote is not
tors. The circuit has a nominal OCV of 15VDC and
connected to the 6-pin amphenol then the remote
requires a dry contact closure (less than 100 ohms)
will default to the 14-pin amphenols if a remote is
to activate the output of the Invertec V350-PRO
connected to one of the 14-pin amphenols.
(CE).
鈥? If a remote control is connected to any of the
鈥? 14 Pin Amphenols the Weld Terminals are controlled
amphenols the WELD TERMINAL control will
from pins C (lead 2) and pin D (lead 4). Pin C is posi-
default to REMOTE. If there are not any remote
tive.
control devices attached the WELD TERMINAL con-
鈥? 6 Pin Amphenol the Weld Terminals are controlled
trol will default to ON.
from pin D (lead 2) and pin E (lead 4). In the 6-pin
amphenol pin D is positive.
CC-Stick modes
鈥? The remote will default to only the 6-pin amphenol if
DESIGN FEATURES and ADVANTAGES
a remote is connected to it.
鈥? Multiple process DC output range: 5 - 425 amps
鈥? The WELD TERMINAL control will default to ON
鈥? Pre-settable welding outputs.
with or without a remote connected.
鈥? Built-in Line Voltage Compensation holds the output
constant over +/- 10% input fluctuations.
Types of Remote OUTPUT CONTROL
鈥? State of the art inverter technology yields high
鈥? The Invertec V350-PRO (CE)鈥檚 Output Control can
power efficiency, excellent welding performance,
be controlled by either a potentiometer connected
lightweight, and compact design.
between 77 & 75 with the wiper connected to 76 or
鈥? Utilizes microprocessor control.
a 0V to 10V DC supply connected between 76 & 75.
鈥? Electronic over current protection.
(76 needs to be positive)
鈥? Input over voltage protection
鈥? 14-Pin Amphenol lead 75 is pin G, lead 76 is pin F
鈥? Manual reconnect switch located on the back panel
and lead 77 is pin E.
with a clear reconnect door to allow easy determina-
鈥? 6-Pin Amphenol lead 75 is pin C, lead 76 is pin B
tion of input configuration. The reconnect door is
and lead 77 is pin A.
fastened with 1/4-turn connectors that allow quick
and easy access to the reconnect area. Circuit
Potentiometer Control
breaker protected auxiliary.
鈥? The total resistance should be between 2000 ohms
鈥? System Self Configure. The power source analyzes
(2K) and 10,000 ohms (10K)
the remote controls connected to the amphenols
鈥? The machine output will be at minimum when lead
and the desired welding mode to properly determine
76 (wiper) is at the end of the potentiometer that is
the location of trigger and output control.
connected to 75. The machine鈥檚 output will increase
鈥? Modular options for easy upgrades
as the wiper of the potentiometer is moved to the
鈥? Back lit Status Lights for improved error communi-
end that is connected to 77. (Note: In TIG mode,
cation
moving the lead 76 (wiper) to lead 77 would pro-
鈥? Circuit Breaker Input Switch
duce the current that has been set by the Invertec
鈥? F.A.N. (fan as needed). Cooling fan runs only when
V350-PRO (CE)鈥檚 front panel Output Control.)
necessary
鈥? Remotes of this type offered by Lincoln Electric are
鈥? Thermostatically protected.
the K857, K812 and K870.
鈥? Designed to the IEC 974-1 Standard.
鈥? IP21S protection rating with potted PC boards for
Voltage Control
enhanced ruggedness/reliability.
鈥? The supply should be an isolated supply. (Not refer-
鈥? Modular construction for easy servicing.
enced to earth ground, any auxiliary power from the
鈥? Aluminum Chassis and Wraparound
Invertec V350-PRO (CE) or the welding output) The
鈥? Power Cord included.
supply should be capable of supplying at least 20mA.
鈥? 0 volts supplied to 76 will set the Invertec V350-
PRO (CE) to minimum output for the mode that has
been selected while 10 volts supplied to 76 will set
the Invertec V350-PRO (CE) to the maximum output
for the mode. (Note: In TIG mode, 10 volts supplied
to lead 76 would produce the current that has been
set by the Invertec V350-PRO (CE)鈥檚 front panel
Output Control.)
V350-PRO (CE)
B-5 B-5
OPERATION
AUXILIARY POWER
鈥? 115VAC, 42VAC and 24VAC power is available
from the two 14-pin amphenols on the rear of the
unit. (K1728-2 Construction model of the Invertec
V350-PRO (CE) does not have the amphenols)
These supplies are intended to supply power for
auxiliary equipment like wire feeders and the TIG
Module.
鈥? 115VAC supply is rated at 2 amps and is protected
by a 2.5 amp breaker located by the amphenol.
鈥? 42 VAC supply is rated at 5.5 amps and is protected
by a 6 amp breaker located by the amphenol.
鈥? 24 VAC supply is rated at 5.5 amps and is protected
by a 6 amp breaker located by the amphenol.
LIMITATIONS
鈥? The V350-PRO (CE) is not recommended for
processes other than those listed.
鈥? The V350-PRO (CE) can only be used with the rec-
ommended equipment and options.
RECOMMENDED PROCESSES
Properly equipped, the Invertec V350-PRO (CE)
supports GMAW, FCAW, SMAW, GTAW and CAC-
A processes for a variety of materials, including
mild steel, stainless steel, cored wires, and alu-
minum
V350-PRO (CE)
C-1 C-1
ACCESSORIES
OPTIONS / ACCESSORIES
"CE" VERSION 鈥? K1728-3
鈥? The "CE" version is the Factory version with the
addition of power line filtering allowing the machine
to comply with the European and Australian EMC
emission requirements.
鈥? In this form, the V350-PRO (CE) provides the hard-
ware to power and connect to 24, 42 or 115 VAC wire
feeders.
K857 Remote Output Control
K814 Arc Start Switch
K812 Hand Operated Amptrol
K870 Foot Operated Amptrol
K930-1 TIG Module
K428, K446, K449 LN-25
K617 (-1 or -2) K618 (-1 or -2) LN-742
K440 (-1), K567-1 LN-7 GMA
K1559-1, K1564-1 LN-10
K1499-1, K1521-1 DH-10
FIELD INSTALLED OPTIONS/ACCESSORIES
Options for K1728-1 Factory and K1728-3 "CE"
V350鈥檚
鈥? TIG Gas Control Kit 鈥? K1762-1
鈥? Advance Process Panel 鈥? K1763-1
鈥? Undercarriage 鈥? K1764-1
鈥? Valet Style Undercarriage 鈥? K1838-1
V350-PR0 (CE)
D-1 D-1
MAINTENANCE
VISUAL INSPECTION
SAFETY PRECAUTIONS
WARNING Clean interior of machine with a low pressure air
stream. Make a thorough inspection of all compo-
----------------------------------------------------------------------
nents. Look for signs of overheating, broken leads or
-
other obvious problems. Many problems can be
ELECTRIC SHOCK can kill.
uncovered with a good visual inspection.
鈥? Do not touch electrically live parts or
electrode with skin or wet clothing.
ROUTINE MAINTENANCE
鈥? Insulate yourself from work and
ground
鈥? Always wear dry insulating gloves. 1. Every 6 months or so the machine should be
------------------------------------------------------------------------ cleaned with a low pressure airstream. Keeping
EXPLODING PARTS can cause the machine clean will result in cooler operation
injury. and higher reliability. Be sure to clean these areas:
鈥? Failed parts can explode or cause other
parts to explode when power is applied. 鈥? All printed circuit boards
鈥? Power switch
鈥? Always wear a face shield and long
鈥? Main transformer
sleeves when servicing.
鈥? Input rectifier
鈥? Auxiliary Transformer
------------------------------------------------------------------------
See additional warning information 鈥? Reconnect Switch Area
throughout this operator鈥檚 manual and
2. Examine the sheet metal case for dents or breakage.
the Engine manual as well.
Repair the case as required. Keep the case in good con-
----------------------------------------------------------- dition to insure that high voltage parts are protected and
CAPACITOR DISCHARGE PROCEDURE correct spacings are maintained. All external sheet
1. Obtain a power resistor (25 ohms, 25 watts). metal screws must be in place to insure case strength
and electrical ground continuity.
2. Hold resistor body with electrically insulated glove.
DO NOT TOUCH TERMINALS. Connect the resis- PERIODIC MAINTENANCE
tor terminals across the two studs in the position
shown. Hold in each position for 1 second. Repeat Overload Protection
for all four capacitors. The machine is electrically protected from producing
high output currents. Should the output current
RESISTOR
exceed 430A, an electronic protection circuit will
reduce the current to approximately 100A. The
machine will continue to produce this low current until
the protection circuit is reset. Reset occurs when the
output load is removed.
Thermal Protection
Thermostats protect the machine from excessive
CAPACITOR operating temperatures. Excessive temperatures may
TERMINALS be caused by a lack of cooling air or operating the
machine beyond the duty cycle and output rating. If
3. Use a DC voltmeter to check that voltage is not excessive operating temperature should occur, the
present across the terminals on all four capacitors. thermostat will prevent output voltage or current. The
meter will remain energized during this time.
Thermostats are self-resetting once the machine cools
sufficiently. If the thermostat shutdown was caused by
excessive output or duty cycle and the fan is operating
normally, the Power Switch may be left on and the
reset should occur within a 15 minute period.
V350-PRO (CE)
E-1 E-1
TROUBLESHOOTING
HOW TO USE TROUBLESHOOTING GUIDE
WARNING
Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel.
Unauthorized repairs performed on this equipment may result in danger to the technician and
machine operator and will invalidate your factory warranty. For your safety and to avoid Electrical
Shock, please observe all safety notes and precautions detailed throughout this manual.
__________________________________________________________________________
This Troubleshooting Guide is provided to help you Step 3. RECOMMENDED COURSE OF ACTION
locate and repair possible machine malfunctions. This column provides a course of action for the
Simply follow the three-step procedure listed below. Possible Cause, generally it states to contact your
local Lincoln Authorized Field Service Facility.
Step 1. LOCATE PROBLEM (SYMPTOM).
Look under the column labeled 鈥淧ROBLEM (SYMP- If you do not understand or are unable to perform the
TOMS)鈥?. This column describes possible symptoms Recommended Course of Action safely, contact your
that the machine may exhibit. Find the listing that local Lincoln Authorized Field Service Facility.
best describes the symptom that the machine is
exhibiting.
Step 2. POSSIBLE CAUSE.
The second column labeled 鈥淧OSSIBLE CAUSE鈥? lists
the obvious external possibilities that may contribute
to the machine symptom.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
V350-PRO (CE)
E-2 E-2
TROUBLESHOOTING
Observe all Safety Guidelines detailed throughout this manual
POSSIBLE AREAS OF RECOMMENDED
PROBLEMS
MISADJUSTMENT(S) COURSE OF ACTION
(SYMPTOMS)
Major physical or electrical damage 1. Contact your local authorized
Lincoln Electric Field Service
is evident when the sheet metal
facility for technical assistance.
covers are removed.
Input fuses keep blowing, or input 1. Make certain that the fuses or
breakers are properly sized. See
breaker keeps tripping
installation section of the manual
for recommended fuse and
breaker sizes.
2. Welding procedure is drawing too
much output current, or duty
cycle is too high. Reduce output
current, duty cycle or both.
3. There is internal damage to the
power source. Contact an autho-
rized Lincoln Electric Service
facility.
1. Make certain that the power
Machine will not power up (No switch is in the "ON" position.
lights) 2. The circuit breaker in the recon- If all recommended possible areas
nect area may have opened. of misadjustment have been
Reset. Check input voltage sec- checked and the problem persists,
tion below. Contact your local Lincoln
3. Input voltage selection made Authorized Field Service Facility.
improperly. Power down, check
input voltage reconnect accord-
ing to diagram on reconnect
cover.
Machine won鈥檛 weld, can鈥檛 get any 1. If the displays show an Err ###
output. see the fault section for correc-
tive action.
2. If the displays are not lit refer to
machine will not power up sec-
tion.
3. If the thermal symbol is lit refer to
the thermal section.
4. If the output terminals are in
Remote control switch to "ON"
and check for output voltage. If
output voltage is now present
check for correct remote control
connection and operation.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
V350-PRO (CE)
E-3 E-3
TROUBLESHOOTING
Observe all Safety Guidelines detailed throughout this manual
PROBLEMS POSSIBLE AREAS OF RECOMMENDED
(SYMPTOMS) MISADJUSTMENT(S) COURSE OF ACTION
Thermal symbol is lit 1. Check for proper fan operation
2. Check for material blocking
intake or exhaust louvers.
Wire feeder won鈥檛 work. Apparently 1. Check circuit breakers by the
no power to wire feeder wire feeder receptacles on the
rear of the machine. Reset
2. Check to make sure the wire
feeder is connected to the correct
wire feeder receptacle. (115VAC
or 24/42VAC)
3. Check the control cable between
the power source and the wire
feeder for continuity.
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Lincoln
Authorized Field Service Facility.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
V350-PRO (CE)
E-4 E-4
TROUBLESHOOTING
Observe all Safety Guidelines detailed throughout this manual
Fault Codes
Code Description Corrective Action
31 Primary over current. If condition persists The machine needs to
contact an authorized be turned off and back
Lincoln Field Service on to reset the machine.
Shop
32 CAP bank A under voltage. Check input power Self-clearing as
33 CAP bank B under voltage. reconnect to make sure condition ceases.
34 CAP bank A over voltage. the machine
35 CAP bank B over voltage. is connected for the input
37 Soft start Failed. power being supplied. Cycle power.
39 Glitch on the primary over Check the machine Self-clearing as
current fault interrupt; possibly ground. condition ceases.
caused by noise or a signal level If problem persists
(misc. hardware fault #1) contact an authorized
Lincoln Field Service
Shop
43 CAP delta; CAP A and B are out Check input power
of balance. reconnect to make sure
the machine is
connected for the input
power being supplied.
44 Main CPU problem. The DSP Check the machine
has detected a problem with the ground.
CPU.
47 Glitch on the CAP/heart beat If problem persists
interrupt; possibly caused by contact an authorized
noise or a signal level right at Lincoln Field Service
the trip threshold. Shop
(misc. hardware fault #2)
48 The main contactor opened If condition persist Self-clearing
unexpectedly. (misc. hardware contact an authorized
fault #3) Lincoln Field Service
Shop
"bad The selected weld mode does If condition persists Press the Mode
node鈥? not exist in the weld table that is contact an authorized Select button to
鈥?####鈥? presently loaded in the machine. Lincoln Field Service select a different
Shop mode
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
V350-PRO (CE)
E-5 E-5
TROUBLESHOOTING
Observe all Safety Guidelines detailed throughout this manual
Displays Description
Scrolling dash Appears at power up while the machine is going through its self configu-
ration
"Err" "####" Fault code display. The first fault to occur will be displayed for three
seconds. The display will cycle through fault codes for all faults that
persist after the initial three-second period are displayed for 1 sec-
ond each.
"----" "----" Weld mode is changing
"----" "####" A constant voltage weld mode is selected, machine output is off.
The numeric value in the right display is the workpoint.
"####" "----" A constant current weld mode is selected, machine output is off.
The numeric value in the left display is either the workpoint or a
workpoint limit, depending on the weld mode and remote configura-
tion.
"####" "####"(on steady) machine output is on. Left display is current, right display is voltage.
If actively welding, the displays are arc current and arc voltage. If
not actively welding, the display will show workpoint.
"####" "####" (blinking) weld just finished 鈥? the average arc voltage and current will be
blinked for 5 seconds following a weld. If the workpoint changes dur-
ing this 5 second period, the display will revert to the above mode.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
V350-PRO (CE)
REMOTE CONTROL ADAPTERS
F-1
TURN THE POWER SWITCH OF THE WELDING POWER
SOURCE "OFF" BEFORE INSTALLING PLUGS ON CABLES
OR WHEN CONNECTING OR DISCONNECTING PLUGS TO
WELDING POWER SOURCE.
STRAIGHT PLUG (14 PIN)
CABLE RECEPTACLE (6 SOCKET)
TO POWER SOURCE
TO: 1) K857 REMOTE CONTROL
2) K963 HAND AMPTROL
3) K870 FOOT AMPTROL
K864
CABLE RECEPTACLE (14 SOCKET)
V350-PRO (CE)
TO: 1) LN-7 WIRE FEEDERS
DIAGRAMS
STRAIGHT PLUG (14 PIN)
TO POWER SOURCE
CABLE RECEPTACLE (6 SOCKET)
K876
TO: 1) LN-25 WIRE FEEDERS
4-19-96D
S19309
F-1
K867 PLUG TO LN-7 - CONNECTION DIAGRAM
F-2
WARNING
Turn off input power to the Welding Power Source
using the disconnect switch at the fuse box
Before connecting the wire feeder.
Only qualified persons should install, use or
ELECTRIC
SHOCK service this machine.
CAN KILL
SPARE
82 LN-7
ELECTRODE CABLE
81 N.C. CONTROL
TO LN-7
BOX
42
14 PIN
TO
41
AMPHENOL
WORK
31 31
- 32 32
2 2
4 4
21 21 K291 OR K404
+
V350-PRO (CE)
K867 UNIVERSAL
GND GND
DIAGRAMS
INPUT CABLE
ADAPTER PLUG
GREEN
INVERTEC
75
75
POWER SOURCE 76 76
WITH 115VAC 77 77
AUXILIARY POWER K775 OPTIONAL
REMOTE CONTROL
N.D.
N.A. WELDING CABLE MUST BE SIZED FOR CURRENT AND DUTY CYCLE OF APPLICATION.
N.B. DIAGRAM SHOWS ELECTRODE POSITIVE. TO CHANGE POLARITY, TURN POWER "OFF",
REVERSE ELECTRODE AND WORK CABLE AT POWER SOURCE.
N.C. INSULATE EACH UNUSED LEAD INDIVIDUALLY.
N.D. SPLICE LEADS AND INSULATE.
12-10-93A
F-2
S19404
F-3
K867 PLUG TO LN-25 - CONNECTION DIAGRAM
WARNING
Turn off input power to the Welding Power Source
using the disconnect switch at the fuse box
Before connecting the wire feeder.
Only qualified persons should install, use or
ELECTRIC
SHOCK service this machine.
CAN KILL
21
82
81
42
ELECTRODE CABLE N.C.
LN-25 WITH
41
TO LN-25
K431 OPTION
GND
14 PIN
TO
31
AMPHENOL
WORK
32
2 E
- 4 F
D
SPARE
V350-PRO (CE)
A
75
DIAGRAMS
B
76 K432 REMOTE
+ K867 ADAPTER
77 C CONTROL CABLE
INVERTEC
N.E.
POWER SOURCE N.D.
N.A. WELDING CABLE MUST BE SIZED FOR CURRENT AND DUTY CYCLE OF APPLICATION.
N.B. DIAGRAM SHOWS ELECTRODE POSITIVE. TO CHANGE POLARITY, TURN POWER "OFF",
REVERSE ELECTRODE AND WORK CABLE AT POWER SOURCE.
N.C. INSULATE EACH UNUSED LEAD INDIVIDUALLY.
N.D. REMOVE 6 PIN PLUG FROM K432 CABLE IN ORDER TO CONNECT K867 PLUG.
LABEL EACH LEAD (A THRU F) AS THEY ARE REMOVED FROM 6 PIN PLUG.
N.E. SPLICE LEADS AND INSULATE.
1-25-91
S19405
F-3
K867 UNIVERSAL ADAPTER / INVERTEC - CONNECTION DIAGRAM
F-4
WARNING
Turn off input power to the Welding Power Source
using the disconnect switch at the fuse box
Before connecting the wire feeder.
Only qualified persons should install, use or
ELECTRIC
SHOCK service this machine.
N.C.
CAN KILL
81
N.D.
NOT USED ON INVERTEC
82
ELECTRODE CABLE 4 CONNECT TOGETHER FOR WELDING OUTPUT
2 24 VAC / 5.5 AMP
SPARE
TO 24 VAC / 5.5 AMP
41
14 PIN
WORK
42 VAC / 5.5 AMP
42
AMPHENOL
31
115 VAC / 2 AMP
- 32
INVERTEC FRAME CONNECTION
GND
21 WIRE FEEDER VOLTMETER CONNECTION
CONNECTS TO (WORK TERMINAL) OF INVERTEC
+
V350-PRO (CE)
77 10K
DIAGRAMS
K867 UNIVERSAL
76
INVERTEC REMOTE OUTPUT CONTROL
ADAPTER PLUG
75
POWER SOURCE MIN.
WITH 115VAC
AUXILIARY POWER
N.A. WELDING CABLE MUST BE SIZED FOR CURRENT AND DUTY CYCLE OF APPLICATION.
N.B. DIAGRAM SHOWS ELECTRODE POSITIVE. TO CHANGE POLARITY, TURN POWER "OFF",
REVERSE ELECTRODE AND WORK CABLE AT POWER SOURCE.
N.C. INSULATE EACH UNUSED LEAD INDIVIDUALLY.
N.D. FOR WIRE FEEDERS THAT RETURN A SIGNAL FOR WELDING OUTPUT, USE ISOLATION
2
RELAY TO CLOSE LEADS 2 & 4.
TO TO
K867 WIRE FEEDER
4
3-1-00
S24985
F-4
F-5
K876 ADAPTER TO LN-25 - CONNECTION DIAGRAM
WARNING
Turn off input power to the Welding Power Source
using the disconnect switch at the fuse box
Before connecting the wire feeder.
Only qualified persons should install, use or
ELECTRIC
SHOCK service this machine.
CAN KILL
ELECTRODE CABLE
LN-25 WITH
TO LN-25
K431 OPTION
6 PIN
14 PIN
TO
AMPHENOL
AMPHENOL
WORK
-
V350-PRO (CE)
DIAGRAMS
K432 REMOTE
+ K876 ADAPTER
CONTROL CABLE
INVERTEC
POWER SOURCE
N.A. WELDING CABLE MUST BE SIZED FOR CURRENT AND DUTY CYCLE OF APPLICATION.
N.B. DIAGRAM SHOWS ELECTRODE POSITIVE. TO CHANGE POLARITY, TURN POWER "OFF",
REVERSE ELECTRODE AND WORK CABLE AT POWER SOURCE.
N.C. FOR INVERTECS WITH 6 PIN AMPHENOL, K432 CABLE CAN BE CONNECTED DIRECTLY.
1-25-91
S19899
F-5
F-6
K864 ADAPTER TO LN-7 & REMOTE CONTROL - CONNECTION DIAGRAM
WARNING
Turn off input power to the Welding Power Source
using the disconnect switch at the fuse box
Before connecting the wire feeder.
Only qualified persons should install, use or
ELECTRIC
SHOCK service this machine.
LN-7
CAN KILL
CONTROL
BOX
14 PIN
ELECTRODE CABLE AMPHENOL
TO LN-7
14 PIN
TO
AMPHENOL
WORK
K480-7 INPUT CABLE
-
6 PIN
AMPHENOL
+ K864
V350-PRO (CE)
K857
DIAGRAMS
ADAPTER REMOTE CONTROL
INVERTEC OR
POWER SOURCE K963
WITH 115VAC HAND AMPTROL
AUXILIARY POWER OR
K870
FOOT AMPTROL
N.A. WELDING CABLE MUST BE SIZED FOR CURRENT AND DUTY CYCLE OF APPLICATION.
N.B. DIAGRAM SHOWS ELECTRODE POSITIVE. TO CHANGE POLARITY, TURN POWER "OFF",
REVERSE ELECTRODE AND WORK CABLE AT POWER SOURCE.
N.C. K480-7 INPUT CABLE CAN BE CONNECTED DIRECTLY IF REMOTE CONTROL IS NOT REQUIRED.
N.D. K864 ADAPTER CANNOT BE USED WITH AN LN-25.
4-19-96D
F-6
S19901
F-7
WIRING DIAGRAM INVERTEC V350-PRO (CE)
RIGHT SIDE OF MACHINE
INPUT }
PER
C1,C3
N.A. 1001,1002,
+
1010,1020
3200/300
206 203
SWITCH
J20 COLOR CODE:
607 205 208
1
5
615 B = BLACK
716 1010 G = GREEN
IN PARANTHESYS COLORS
6 2
715
1020
4 8
611 R = RED
FOR CE MACHINES
209 610
7 3
612 1002 1020 W = WHITE
3 7 605
609 1001 1010
608
J21
8 4 G(G/Y) R(B)
602 W(N) B(U) U = BLUE
2 6 616 N = BROWN
1 1
J9
3 6
1001 W V U
903
1 5 1002 Y = YELLOW
2
2
2 5
J22
1 4
901
N.D. 201 J10A
204 J11
1 2 J10B
502 CB1
J8
3 4 4 8 A
804
xxxxxxx
B
C
3200/300 100 A CIRCUIT
202 207
505 3 7 BREAKER
FAN
FAN
2
115V
802 6
COM2
+C2,C4
806
1 5
801
S
201 CURRENT
J7
16 T
205 TRANSDUCER
42
716
532
541
31
54
24
41A
15 4A A
P56
715 J331
PRIMARY
801
6 12 J311
P52
806
804
802
J37
UT T 277
4
6 7 16
1 1 11 5
RECONNECT R
I-O I-I N B 2
5 11 2 4
PR 5 10
276
PR 4321 U
J34
FAN FAN
75 4
E J90 2 2A 275
4 10 1
I
3
77 4 9
6 S
77 76 5 10
75
76
M
COM2A 901
3 9 76A + 77A 75A D 3 8
277
4 9
554 E D
2 O R5
203 2 8 553
FAN
42V
24V
C 2 7
28V
X2
207A I
115V
COM1
COM2
F C 276
3 8
SE 10K/2W
552
T T 7
1 551 1
X20 J1 6
3 S
A B
OS
204 7 2 7 275
BO TP4
E J33 +
J6
L1 P
901B
5 10 1 6
8 16
608 6 PIN
UT CONTROL
H2
H3
H4
H5
H6
X3
H1
I-O 616
X30 REACTOR
X J31 L
4 9 R1 POT
PR
208 15
7
607 REMOTE
206 M
1
615 901A (REAR VIEW )
N
AUXILIARY 8
3 5 10
X30 A
202 6 14
I-I S1 O
PR
FRONT OF MACHINE
C
CHOKE
XFMR 2 7 4 9
21B Y
5 13
605
( 380-575VAC POSITION ) D
21
610 O
xxxxxxx
1 6 3 8
12
4
C
INPUT X10 E
N.E. SE 612
T 503
A N 7
N.C. 2
903A
CB2 3 11
BRIDGE 611
OS 903B
A BO 506
2A
A A 1 6
MAIN T
REAR OF MACHINE
2 10
602 TP5
XFMR 609
209 A 903
+ R
9
1
X4 X40
TP3 J2
L2
A
D TP1 O
H4 H2 J5
REACTOR
380- 200- 2 4
502
X10
_
_
415V 208V L
503
207A B 3
1
B
E TP2 505 J4 J3
506
550- 440- 220- _ 8
12 11 10 9 7 10 8 7
9 6
C
207
575V 460V 230V
H6 H5 H3 2
2 5 4
6 5 4 3 3 1
1
C
F H1 J42 412
4 1
407
CONTROL 411
5 2
405
403
401
406
402
410
RECTIFIER
554 6
412
411
410
408
3
407
408
553 X2 SPI FLEX CIRCUIT SPI FLEX CIRCUIT
X4 SPI FLEX CIRCUIT SPI FLEX CIRCUIT
OUTPUT C5
GAS 2400/80
+
V350-PRO (CE)
J41 3 1 66
RECTIFIER
+
SOLENOID 4 2
66 65 65
GND
DIAGRAMS
432
32
431
J43 7 1
GND 42 41A 438
31
A A
J J 432
65B 8 2
41B GND ~ P
66B
X30 DISPLAY
CONTROL REMOTE STATUS
MODE
41 405
K
B I BKI P55
2A
41B 9 3
+
403
O
41 32 FOR MACHINES WITH REMOTE BOARD
21 X20
2B C L N H
-
2B C L N H 21B
1
X40 551
438
10 4 406
W
6A 2A S
24 4A
DMG DMG 2
4B 552
431
CB1 4B
CB2 11 5
N E
E
EF F ~
75B 75A 401 3
54 DISPLAY
541 532 U CONTROL MODE STATUS
75B 12 6 402
77B 76B R
77B 77A 76B 76A 4
B FOR MACHINES WITHOUT REMOTE BOARD
B
24/42V WIRE FEEDER 115V WIRE FEEDER E
X10 SPI FLEX CIRCUIT CONNECTION DETAIL
SNB
R
REMOTE REMOTE
(REAR VIEW )
(REAR VIEW)
LEGEND
ALL MACHINES
21,21B,2A,4A, OPTION
N.D. INPUT POWER LINE FILTER IS PRESENT ONLY
NOTES: 75A,76A,77A
COMPONENT OUTLINE
LEFT SIDE OF MACHINE
N.A. 1. FOR MACHINES WITH RED, BLACK AND WHITE POWER CORDS ON "CE" MODELS.
N.B. SINCE COMPONENTS OR CIRCUITRY OF A PRINTED CIRCUIT BOARD MAY CHANGE WITHOUT AFFECTING
FOR SINGLE PHASE INPUT: CONNECT GREEN LEAD TO GROUND PER NATIONAL ELECTRICAL CODE. N.E. ON "CE" MODELS, MOV's ARE IN THE INPUT POWER
THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY NOT SHOW THE EXACT
CONNECT BLACK AND WHITE LEADS TO SUPPLY CIRCUIT.
LINE FILTER.
COMPONENTS OR CIRCUITRY HAVING A COMMON CODE NUMBER.
WRAP RED LEAD WITH TAPE TO PROVIDE 600V. INSULATION.
J2,J5,J11,
FOR THREE PHASE INPUT: CONNECT GREEN LEAD TO GROUND PER NATIONAL ELECTRIC CODE. N.C. PLACE "A" LEAD ON APPROPRIATE CONNECTION FOR INPUT VOLTAGE.
J31,J33, J8,
J22, J41, J10A,
CONNECT BLACK, RED & WHITE LEADS TO SUPPLY CIRCUIT. CONNECTION SHOWN IS FOR 550-575V OPERATION. (CE MODELS ONLY GO TO 440VAC.) J34,J37 J20,J21
J1,J6,J7, P52 J311, P55 J9, J42, P53 J43, J331 J10B
2. FOR MACHINES WITH BROWN, BLACK AND BLUE POWER CORDS 1
1 8 5 1 2 4 6 1
3
1 1
1
ENHANCED
FOR SINGLE PHASE INPUT: CONNECT GREEN/YELLOW LEAD TO GROUND PER NATIONAL ELECTRICAL CODE.
8 7
CONNECT BLUE AND BROWN LEADS TO SUPPLY CIRCUIT. 9 16 10 3 5 12
6 4
BASE 4
CASE FRONT 6 2
WIRING DIAGRAM
WRAP BLACK LEAD WITH TAPE TO PROVIDE 600V. INSULATION. PROTECTIVE BONDING CIRCUIT
CONNECTOR CAVITY NUMBERING SEQUENCE
FOR THREE PHASE INPUT: CONNECT GREEN/YELLOW GROUND PER NATIONAL ELECTRIC CODE.
(VIEWED FROM COMPONENT SIDE OF BOARD)
ELECTRICAL SYMBOLS PER E1537
CONNECT BLUE, BLACK & BROWN LEADS TO SUPPLY CIRCUIT. 11-2000C
G3707
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside
the machine on one of the enclosure panels. If the diagram is illegible, write to the Service Department for a replacement. Give the equipment code number..
F-7
DIMENSION PRINT
F-8
27.82
21.60
3.44
14.79
MOUNTING HOLE LOCATIONS
V350-PRO (CE)
DIAGRAMS
12.44 NOTE: MOUNTING SCREWS CA N NOT PROTRUDE MORE THAN
0.5 INCHES INSIDE THE MACHINE.
13.10
3.50
1/4-20 NUT (4 PLACES)
5.50
10.00
8/00
11.84
F-8
M19527
NOTES
Now Available...12th Edition New Lessons in Arc Welding
The Procedure Handbook of Arc Welding Lessons, simply written, cover manipulatory techniques;
With over 500,000 copies of previous editions published machine and electrode characteristics; related subjects,
since 1933, the Procedure Handbook is considered by many to such as distortion; and supplemental information on arc
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G Do not touch electrically live parts or G Keep flammable materials away. G Wear eye, ear and body protection.
WARNING electrode with skin or wet clothing.
G Insulate yourself from work and
ground.
Spanish
G No toque las partes o los electrodos G Mantenga el material combustible G Prot茅jase los ojos, los o铆dos y el
AVISO DE bajo carga con la piel o ropa moja- fuera del 谩rea de trabajo. cuerpo.
da.
PRECAUCION G Aislese del trabajo y de la tierra.
French G Ne laissez ni la peau ni des v锚te- G Gardez 脿 l鈥櫭ヽart de tout mat茅riel G Prot茅gez vos yeux, vos oreilles et
ments mouill茅s entrer en contact inflammable. votre corps.
ATTENTION avec des pi猫ces sous tension.
G Isolez-vous du travail et de la terre.
G Ber眉hren Sie keine stromf眉hrenden
German G Entfernen Sie brennbarres Material! G Tragen Sie Augen-, Ohren- und K枚r-
Teile oder Elektroden mit Ihrem perschutz!
WARNUNG K枚rper oder feuchter Kleidung!
G Isolieren Sie sich von den
Elektroden und dem Erdboden!
Portuguese
G N茫o toque partes el茅tricas e elec- G Mantenha inflam谩veis bem guarda- G Use prote莽茫o para a vista, ouvido e
trodos com a pele ou roupa molha- dos. corpo.
ATEN脟脙O da.
G Isole-se da pe莽a e terra.
Japanese
Chinese
Korean
Arabic
READ AND UNDERSTAND THE MANUFACTURER鈥橲 INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES TO BE
USED AND FOLLOW YOUR EMPLOYER鈥橲 SAFETY PRACTICES.
SE RECOMIENDA LEER Y ENTENDER LAS INSTRUCCIONES DEL FABRICANTE PARA EL USO DE ESTE EQUIPO Y LOS
CONSUMIBLES QUE VA A UTILIZAR, SIGA LAS MEDIDAS DE SEGURIDAD DE SU SUPERVISOR.
LISEZ ET COMPRENEZ LES INSTRUCTIONS DU FABRICANT EN CE QUI REGARDE CET EQUIPMENT ET LES PRODUITS A
ETRE EMPLOYES ET SUIVEZ LES PROCEDURES DE SECURITE DE VOTRE EMPLOYEUR.
LESEN SIE UND BEFOLGEN SIE DIE BETRIEBSANLEITUNG DER ANLAGE UND DEN ELEKTRODENEINSATZ DES HER-
STELLERS. DIE UNFALLVERH脺TUNGSVORSCHRIFTEN DES ARBEITGEBERS SIND EBENFALLS ZU BEACHTEN.
G Keep your head out of fumes. G Turn power off before servicing. G Do not operate with panel open or
G Use ventilation or exhaust to
WARNING
guards off.
remove fumes from breathing zone.
Spanish
G Los humos fuera de la zona de res- G Desconectar el cable de ali- G No operar con panel abierto o
AVISO DE
piraci贸n. mentaci贸n de poder de la m谩quina guardas quitadas.
G Mantenga la cabeza fuera de los antes de iniciar cualquier servicio.
PRECAUCION
humos. Utilice ventilaci贸n o
aspiraci贸n para gases.
French
G D茅branchez le courant avant l鈥檈ntre- G N鈥檕p茅rez pas avec les panneaux
G Gardez la t锚te 脿 l鈥櫭ヽart des fum茅es.
G Utilisez un ventilateur ou un aspira- tien. ouverts ou avec les dispositifs de
ATTENTION
protection enlev茅s.
teur pour 么ter les fum茅es des zones
de travail.
German
G Strom vor Wartungsarbeiten G Anlage nie ohne Schutzgeh盲use
G Vermeiden Sie das Einatmen von
abschalten! (Netzstrom v枚llig 枚ff- oder Innenschutzverkleidung in
Schweibrauch!
WARNUNG
G Sorgen Sie f眉r gute Be- und nen; Maschine anhalten!) Betrieb setzen!
Entl眉ftung des Arbeitsplatzes!
Portuguese
G N茫o opere com as tampas removidas. G Mantenha-se afastado das partes
G Mantenha seu rosto da fuma莽a.
G Desligue a corrente antes de fazer
G Use ventila莽茫o e exhaust茫o para moventes.
ATEN脟脙O
servi莽o. G N茫o opere com os paineis abertos
remover fumo da zona respirat贸ria.
G N茫o toque as partes el茅tricas nuas. ou guardas removidas.
Japanese
Chinese
Korean
Arabic
LEIA E COMPREENDA AS INSTRU脟脮ES DO FABRICANTE PARA ESTE EQUIPAMENTO E AS PARTES DE USO, E SIGA AS
PR脕TICAS DE SEGURAN脟A DO EMPREGADOR.
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