Lincoln Electric IM731 User Manual
INVERTEC
WARNING
WARNING
AVISO DE
PRECAUCION
ATTENTION
!
!
!
!
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WARNING
REMOTE
POWER
OFF
ON
A
AMPS
A
V
VOLTS
WELD TERMINALS
SELECT
OUTPUT
HOT START
ARC CONTROL
-4
+4
+2
-2
0
-6 +6
-10
SOFT CRISP
+10
-8
+8
5
4
3
2
1
0
6
10
9
8
7
SELECT
CC-STICK 7018
CC-STICK 6010
TIG GTAW
CV-WIRE
CV-FLUX CORED
w
RETURN TO MAIN MENU
Safety Depends on You
Lincoln arc welding and cutting
equipment is designed and built
with safety in mind. However, your
overall safety can be increased by
proper installation ... and thoughtful operation on your part. DO
NOT INSTALL, O PE RATE OR
REP A I R THIS E Q U IPMEN T
WIT H O UT REA D I NG THI S
MAN U A L A N D T H E SA F ETY
PRE CAUT IONS CO NTAI NED
THR O U GHOUT . And , mos t
importantly, think before you act
and be careful.
®®
V350-PRO
FFoorr uussee wwiitthh mmaacchhiinneess CCooddee 1100887733,, 1100887744,, 1100887766,, 1100993344,, 1111444455
1111448811,, 1111448822,, 1111448844
IM731-C
October, 2007
Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com
NRTL/C
OPERATOR’S MANUAL
Copyright © Lincoln Global Inc.
• World's Leader in Welding and Cutting Products •
• Sales and Service through Subsidiaries and Distributors Worldwide •
i
SAFETY
WARNING
CALIFORNIA PROPOSITION 65 WARNINGS
Diesel engine exhaust and some of its constituents
are known to the State of California to cause cancer, birth defects, and other reproductive harm.
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 “Safety in Welding & Cutting - ANSI Standard Z49.1” from the American Welding Society, P.O. Box
351040, Miami, Florida 33135 or CSA Standard W117.2-1974. A Free copy of “Arc Welding Safety” booklet E205 is available
from the Lincoln Electric Company, 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199.
BE SURE THAT ALL INSTALLATION, OPERATION, MAINTENANCE AND REPAIR PROCEDURES ARE
PERFORMED ONLY BY QUALIFIED INDIVIDUALS.
The engine exhaust from this product contains
chemicals known to the State of California to cause
cancer, birth defects, or other reproductive harm.
The Above For Gasoline Engines
i
FOR ENGINE
powered equipment.
1.a. Turn the engine off before troubleshooting and maintenance
work unless the maintenance work requires it to be running.
____________________________________________________
1.b. Operate engines in open, well-ventilated
areas or vent the engine exhaust fumes
outdoors.
____________________________________________________
1.c. Do not a dd the fuel near an open flame
welding arc or when the engine is running.
Stop the engine and allow it to cool before
refueling to prevent spilled fuel from vaporizing on co ntact with hot engine parts and
igniting. Do not spill fuel when filling tank. If
fuel is spilled, wipe it up and do not start
engine until fumes have been eliminated.
____________________________________________________
1.d. Keep all equipment safety guards, covers and devices in
position and in good repair.Keep hands, hair, clothing and
tools away from V-belts, gears, fans and all other moving
parts when starting, operating or repairing equipment.
____________________________________________________
1.e. I n some c ases i t may be n ec es sary t o remove safety
gu a rds t o per f orm r equ i red m aint enan c e. R e mov e
guards only when necessary and replace them when the
ma i nten ance r equ i rin g t hei r remo val i s c omp l ete .
Always use the greatest care when working near moving
parts.
___________________________________________________
1.f. Do not put your hands near the engine fan.
Do not attempt to override the governor or
idler by pushing on the throttle control rods
while the engine is running.
1.h. To avoid scalding, do not remove the
radiator pressure cap when the engine is
hot.
ELECTRIC AND
MAGNETIC FIELDS
may be dangerous
2.a. Electric curren t flow ing t hrough any conductor causes
local ized Electric and Magnetic Fiel ds (EMF). Welding
curre nt cr eates EMF field s around welding cabl es and
welding machines
2.b. EMF fields m ay interfere with som e pacemakers, an d
welders having a pacemaker should consult their physician
before welding.
2.c. Exposure to EMF fields in welding may have other health
effects which are now not known.
2.d. All welders should use the following procedures in order to
minimize exposure to EMF fields from the welding circuit:
2.d.1.
Route the electrode and work cables together - Secure
them with tape when possible.
2.d.2. Nev er coil t he electrode le ad around you r body.
2.d.3. Do not place your body between the electrode and
work cables. If the electrode cable is on your right
side, the work cable should also be on your right side.
___________________________________________________
1.g. To prevent accidentally starting gasoline engines while
turning the engine or welding generator during maintenance
work, disconnect the spark plug wires, distributor cap or
magneto wire as appropriate.
2.d.4. Connect the work cable to the workpiece as close as
possible to the area being welded.
2.d.5. Do not work next to welding power source.
Mar ʻ95
ii
SAFETY
ii
ELECTRIC SHOCK can
kill.
3.a. The electrode and work (or ground) circuits
are electrically “hot” when the welder is on.
Do not touch these “hot” parts with your bare
skin or wet clothing. Wear dry, hole-fre e
gloves to insulate hands.
3.b. Insulate yourself from work and ground using dry insulation.
Make certain the insulation is large enough to cover your full
area of physical contact with work and ground.
In addition to the normal safety precautions, if welding
mu st be per form ed und er ele ctri call y haza rdou s
conditions (in damp locations or while wearing wet
clothing; on metal structures such as floors, gratings or
scaffolds; when in cramped positions such as sitting,
kneeling or lying, if there is a high risk of unavoidable or
accidental contact with the workpiece or ground) use
the following equipment:
• Semiautomatic DC Constant Voltage (Wire) Welder.
• DC Manual (Stick) Welder.
• AC Welder with Reduced Voltage Control.
3.c. In semiautomatic or automatic wire welding, the electrode,
elect rode reel, welding head , nozzle or semiautomat ic
welding gun are also electrically “hot”.
3.d. Always be sure the work cable makes a good electrical
connection with the metal being welded. The connection
should be as close as possible to the area being welded.
3.e. Ground the work or metal to be welded to a good electrical
(earth) ground.
3.f.
Maintain the electrode holder, work clamp, welding cable and
welding machine in good, safe operating condition. Replace
damaged insulation.
3.g. Never dip the electrode in water for cooling.
3.h. N ev er s im ultaneo us ly t ou ch e le ctrical ly “ho t” p ar ts o f
electrode holders connected to two welders because voltage
between the two can be the total of the open circuit voltage
of both welders.
3.i. When working above floor level, use a safety belt to protect
yourself from a fall should you get a shock.
ARC RAYS can burn.
4.a. Use a shield with the proper filter and cover
plates to protect your eyes from sparks and
the rays of the arc when welding or observing
open arc welding. Headshield and filter lens
should conform to ANSI Z87. I standards.
4.b. Use suitable clothing made from durable flame-resistant
material to protect your skin and that of your helpers from
the arc rays.
4.c. Protect other nearby personnel with suitable, non-flammable
screening and/or warn them not to watch the arc nor expose
themselves to the arc rays or to hot spatter or metal.
FUMES AND GASES
can be dangerous.
5.a. Welding may pr oduce fumes and gases
hazardous to health. Avoid breathing these
fumes a nd gase s. When welding, keep
your head out of the fume. Use enough
ventilation and/or exhaust at the arc to keep
fumes and gases away from the breathing zone. When
we lding with electrod es whic h re quire spe cial
ve ntil ation suc h as stainl ess or hard fac ing (see
instructions on c ontainer or MSDS) or on lea d or
cadmium plated steel and other metals or coatings
which produce highly toxic fumes, keep exposure as
low as possible and below Threshold Limit Values (TLV)
us ing l ocal exhaust or mechanica l ven til ation. In
confined spaces or in some circumstances, outdoors, a
respirator may be required. Additional precautions are
al so requ ired w hen weld ing on gal vani zed steel.
5. b. The operation of welding fume control equipment is affected
by various factors including proper use and positioning of
the equipment, maintenance of the equipment and the specific welding procedure and application involved. Worker
exposure level should be checked upon installation and
periodically thereafter to be certain it is within applicable
OSHA PEL and ACGIH TLV limits.
5.c.
Do not weld in locations near chlorinated hydrocarbon
coming from degreasing, cleaning or spraying operations.
The heat and rays of the arc can react with solvent vapors
form phosgene, a highly toxic gas, and other irritating products.
vapors
to
3.j. Also see Items 6.c. and 8.
5.d. Shielding gases used for arc welding can displace air and
cause i nj ur y or d ea th . Always u se enough v en ti la ti on ,
especially in confined areas, to insure breathing air is safe.
5.e. Read and understand the manufacturerʼs instructions for this
equipment and the consumables to be used, including the
ma t eria l s afet y d a ta sh eet (MSD S ) a nd fo llo w y o ur
employerʼs safety practices. MSDS forms are available from
yo u r we ldi n g di str i but o r or fr om the m anu f act u rer .
5.f. Also see item 1.b.
AUG 06
iii
SAFETY
iii
WELDING and CUTTING
SPARKS can
cause fire or explosion.
6.a.
Remove fire hazards from the welding area.
If this is not possible, cover them to prevent
Re m embe r th at weld i ng s par k s an d ho t
materials from welding can easily go through small cracks
an d openi ngs to adj ace nt a rea s. A voi d we ldi ng n ear
hydraulic lines. Have a fire extinguisher readily available.
6.b. Where compressed gases are to be used at the job site,
special precautions should be used to prevent hazardous
situations. Refer to “Safety in Welding and Cutting” (ANSI
Standar d Z49.1) an d the oper ating informat ion for the
equipment being used.
6.c. When not welding, make certain no part of the electrode
circuit is touching the work or ground. Accidental contact
can cause overheating and create a fire hazard.
6.d. Do not heat, cut or weld tanks, drums or containers until the
proper steps have been taken to insure that such procedures
will not cause flammable or toxic vapors from substances
inside. They can cause an explosion even
been “cleaned”. For information, purchase “Recommended
Safe Practices for the
Co n tain ers and Pi p ing Tha t Ha ve Hel d Ha zard ous
Substances”, AWS F4.1 from the American Welding Society
(see address above).
6.e. Vent hollow castings or containers before heating, cutting or
welding. They may explode.
Sparks and spatter are thrown from the welding arc. Wear oil
6.f.
free protective garments such as leather gloves, heavy shirt,
cuffless trousers, high shoes and a cap over your hair. Wear
ear plugs when welding out of position or in confined places.
Always wear safety glasses with side shields when in a
welding area.
6.g. Connect the work cable to the work as close to the welding
area as practical. Work cables connected to the building
framework or other locations away from the welding area
incre ase t he possibility of th e welding curren t passing
through lifting chains, crane cables or other alternate circuits. This can create fire hazards or overheat lifting chains
or cables until they fail.
6.h. Also see item 1.c.
the w el di ng sparks f ro m starting a fi re .
though
they have
Preparation
for Welding and Cutting of
CYLINDER may explode
if damaged.
7.a. Us e o nly c o mpr e sse d g as cyl inde r s
containing the correct shielding gas for the
pr o cess u sed a nd pro p erl y oper atin g
re g ulat ors d esig ned f or t he g a s a nd
pressure used. All hoses, fittings, etc. should be suitable for
the application and maintained in good condition.
7.b. Alw ay s keep c ylinders i n an u pr ight p os it io n securel y
chained to an undercarriage or fixed support.
7.c. Cylinders should be located:
• Away from areas where they may be struck or subjected to
physical damage.
• A safe distance from arc welding or cutting operations and
any other source of heat, sparks, or flame.
7.d. Never allow the electrode, electrode holder or any other
electrically “hot” parts to touch a cylinder.
7.e. Keep your head and face away from the cylinder valve outlet
when opening the cylinder valve.
7.f. Valve protection caps should always be in place and hand
tight except when the cylinder is in use or connected for
use.
7.g. R ea d and follo w the i ns truct ions on compr essed gas
cylinders, associated equipment, and CGA publication P-l,
“Precautions for Safe Handling of Compressed Gases in
Cylinders,” available from the Compressed Gas Association
1235 Jefferson Davis Highway, Arlington, VA 22202.
FOR ELECTRICALLY
powered equipment.
8.a. Turn off input power using the disconnect
switch at the fuse box before working on
the equipment.
8.b. Inst all equipment in accor dance with the U.S. National
Electrical Code, all local codes and the manufacturerʼs
recommendations.
8.c. Ground the equipment in accordance with the U.S. National
Electrical Code and the manufacturerʼs recommendations.
6.I. Read and follow NFPA 51B “ Standard for Fire Prevention
During Welding, Cutting and Other Hot Work”, available
from NFPA, 1 Batterymarch Park,PO box 9101, Quincy, Ma
022690-9101.
6.j. Do not use a welding power source for pipe thawing.
Jan, 07
iv
SAFETY
iv
PRÉCAUTIONS DE SÛRETÉ
Pour votre propre protection lire et observer toutes les instructions
et les précautions de sûreté specifiques qui parraissent dans ce
manuel aussi bien que les précautions de sûreté générales suivantes:
Sûreté Pour Soudage A LʼArc
1. Protegez-vous contre la secousse électrique:
a. Les circuits à lʼélectrode et à la piéce sont sous tension
quand la machine à souder est en marche. Eviter toujours
tout contact entre les parties sous tension et la peau nue
ou les vétements mouillés. Porter des gants secs et sans
trous pour isoler les mains.
b. Faire trés attention de bien sʼisoler de la masse quand on
soude dans des endroits humides, ou sur un plancher
metallique ou des grilles metalliques, principalement dans
les positions assis ou couché pour lesquelles une grande
partie du corps peut être en contact avec la masse.
c. Maintenir le porte-électrode, la pince de masse, le câble
de soudage et la machine à souder en bon et sûr état
defonctionnement.
d.Ne jamais plonger le porte-électrode dans lʼeau pour le
refroidir.
e. Ne jamais toucher simultanément les parties sous tension
des porte-électrodes connectés à deux machines à souder
parce que la tension entre les deux pinces peut être le
total de la tension à vide des deux machines.
f. Si on utilise la machine à souder comme une source de
courant pour soudage semi-automatique, ces precautions
pour le porte-électrode sʼapplicuent aussi au pistolet de
soudage.
6. Eloigner les matériaux inflammables ou les recouvrir afin de
prévenir tout risque dʼincendie dû aux étincelles.
7. Quand on ne soude pas, poser la pince à une endroit isolé de
la masse. Un cour t-circuit acciden tal peut provoquer un
échauffement et un risque dʼincendie.
8. Sʼassurer que la masse est connectée le plus prés possible
de la zone de travail quʼil est pratique de le faire. Si on place
la masse sur la charpente de la construction ou dʼautres
endroits éloignés de la zone de travail, on augmente le risque
de voir passer le courant de soudage par les chaines de levage, câbles de grue, ou autres circuits. Cela peut provoquer
des risques dʼincendie ou dʼechauffement des chaines et des
câbles jusquʼà ce quʼils se rompent.
9. Assurer une ventilation suffisante dans la zone de soudage.
Ceci est particuliérement important pour le soudage de tôles
galvanisées plombées, ou cadmiées ou tout autre métal qui
produit des fumeés toxiques.
10. Ne pas souder en présence de vapeurs de chlore provenant
dʼo pérations de dégraissage, nettoyag e o u p istolage. La
chaleur ou les rayons de lʼarc peuvent réagir avec les vapeurs
du solvant pour produire du phosgéne (gas fortement toxique)
ou autres produits irritants.
11. Pour obtenir de plus amples renseignements sur la sûreté,
voir le code “Code for safety in welding and cutting” CSA
Standard W 117.2-1974.
2. Dans le cas de travail au dessus du niveau du sol, se protéger
contre les chutes dans le cas ou on recoit un choc. Ne jamais
enrouler le câble-électrode autour de nʼimporte quelle partie
du corps.
3. Un coup dʼarc peut être plus sévère quʼun coup de soliel,
donc:
a. Utiliser un bon masque avec un verre filtrant approprié
ainsi quʼun verre blanc afin de se protéger les yeux du rayonnement de lʼarc et des projections quand on soude ou
quand on regarde lʼarc.
b. Porter des vêtements convenables afin de protéger la
peau de soudeur et des aides contre le rayonnement de
lʻarc.
c. Pr ot éger lʼ au tre pers on nel trav ai llant à proximit é au
soudage à lʼaide dʼécrans appropriés et non-inflammables.
4. Des gouttes de laitier en fusi on sont émises de l ʼarc de
soudage. Se protéger avec des vêtements de protection libres
de lʼhuile, tels que les gants en cuir, chemise épaisse, pantalons sans revers, et chaussures montantes.
5. Toujours porter des lunettes de sécurité dans la zone de
soudage. Utiliser des lunettes avec écrans lateraux dans les
zones où lʼon pique le laitier.
PRÉCAUTIONS DE SÛRETÉ POUR
LES MACHINES À SOUDER À
TRANSFORMATEUR ET À
REDRESSEUR
1. Relier à la terre le chassis du poste conformement au code de
lʼélectricité et aux recommendations du fabricant. Le dispositif
de montage ou la piece à souder doit être branché à une
bonne mise à la terre.
2. Autant que possible, Iʼinstallation et lʼentretien du poste seront
effectués par un électricien qualifié.
3. Avant de faires des travaux à lʼinterieur de poste, la debrancher à lʼinterrupteur à la boite de fusibles.
4. Garder tous les couvercles et dispositifs de sûreté à leur
place.
Mar. ʻ93
TThhaannkk YYoouu
vv
for selecting a QUALITY product by Lincoln Electric. We want you
to take pride in operating this Lincoln Electric Company product
••• as much pride as we have in bringing this product to you!
The business of The Lincoln Electric Company is manufacturing and selling high quality welding equipment, consumables, and cutting equipment. Our challenge is to meet the needs of our customers and to exceed their expectations. On occasion, purchasers may ask Lincoln
Electric for advice or information about their use of our products. We respond to our customers based on the best information in our possession at that time. Lincoln Electric is not in a position to warrant or guarantee such advice, and assumes no liability, with respect to such information or advice. We expressly disclaim any warranty of any kind, including any warranty of fitness for any customerʼs particular purpose,
with respect to such information or advice. As a matter of practical consideration, we also cannot assume any responsibility for updating or
correcting any such information or advice once it has been given, nor does the provision of information or advice create, expand or alter any
warranty with respect to the sale of our products.
Lincoln Electric is a responsive manufacturer, but the selection and use of specific products sold by Lincoln Electric is solely within the control
of, and remains the sole responsibility of the customer. Many variables beyond the control of Lincoln Electric affect the results obtained in
applying these types of fabrication methods and service requirements.
Subject to Change – This information is accurate to the best of our knowledge at the time of printing. Please refer to www.lincolnelectric.com
for any updated information.
CUSTOMER ASSISTANCE POLICY
Please Examine Carton and Equipment For Damage Immediately
When this equipment is shipped, title passes to the purchaser upon receipt by the carrier. Consequently, Claims
for material damaged in shipment must be made by the purchaser against the transportation company at the
time the shipment is received.
Please record your equipment identification information below for future reference. This information can be
found on your machine nameplate.
Product _________________________________________________________________________________
Model Number ___________________________________________________________________________
Code Number or Date Code_________________________________________________________________
Serial Number____________________________________________________________________________
Date Purchased___________________________________________________________________________
Where Purchased_________________________________________________________________________
Whenever you request replacement parts or information on this equipment, always supply the information you
have recorded above. The code number is especially important when identifying the correct replacement parts.
On-Line Product Registration
- Register your machine with Lincoln Electric either via fax or over the Internet.
• For faxing: Complete the form on the back of the warranty statement included in the literature packet
accompanying this machine and fax the form per the instructions printed on it.
• For On-Line Registration: Go to our
“Product Registration”. Please complete the form and submit your registration.
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:
WEB SITE at www.lincolnelectric.com. Choose “Quick Links” and then
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.
vi vi
TABLE OF CONTENTS
Page
Installation .......................................................................................................Section A
Technical Specifications ........................................................................................A-1
Physical Dimensions .......................................................................................A-2
Safety Precautions ..........................................................................................A-3
Select Suitable Location..................................................................................A-3
Stacking ..........................................................................................................A-3
Tilting...............................................................................................................A-3
Input and Grounding Connections ..................................................................A-3
Power Cord Connection ..................................................................................A-3
Connection of Wire Feeders to V350-PRO .............................................A-3,A-4
Remote Control of Invertec .............................................................................A-5
Undercarriage Mountings................................................................................A-5
Parallel Operations..........................................................................................A-5
________________________________________________________________________
Operation .........................................................................................................Section B
Safety Precautions ................................................................................................B-1
General Description ..............................................................................................B-1
Duty Cycle .............................................................................................................B-1
Operational Features and Controls........................................................................B-1
Upper Control Panel.......................................................................................B-1, B-2
Hidden Middle Control Panel and Advance Process Panel.....................B-2 thru B-5
Weld Mode Details and Pulse Programs ........................................................B-6,B-7
Lower Case Panel .................................................................................................B-8
Remote Control of the Output Control and Weld Terminals ..................................B-8
Auxiliary Power......................................................................................................B-9
Limitations..............................................................................................................B-9
Recommended Processes ....................................................................................B-9
_______________________________________________________________________
Accessories.....................................................................................................Section C
Options / Accessories............................................................................................C-1
Construction Version .............................................................................................C-1
Factory and Advance Process Version ..............................................................................
C-1
Field Installed Options...........................................................................................C-1
Quick Disconnect Plugs.........................................................................................C-1
________________________________________________________________________
Maintenance ....................................................................................................Section D
Safety Precautions ................................................................................................D-1
APACITOR DISCHARGE PROCEDURE..........................................................................D-1
C
ISUAL INSPECTION...................................................................................................D-1
V
ROUTINE MAINTENANCE ............................................................................................D-1
ERIODIC MAINTENANCE ...........................................................................................D-1
P
________________________________________________________________________
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 .....................................................................................................P-401 Series
________________________________________________________________________
A-1
INSTALLATION
A-1
TECHNICAL SPECIFICATIONS -
INVERTEC V350-PRO
INPUT AT RATED OUTPUT
Product
Name
IInnvveerrtteecc
VV335500--PPRROO
6600//5500 HHzz
11 && 33
PPhhaassee
Input AC Rated DC Output Output Open
Voltage Amps/Volt Range Circuit
/Duty Cycle
220000
220088--223300// 335500AA // 3344VV // 6600%% AAMMPPSS 8800 VVDDCC
338800--440000// 330000AA // 3322VV //110000%% 55--442255
441155--446600//
557755
(continuous)
Voltage
RECOMMENDED INPUT WIRE AND FUSE SIZES FOR MAXIMUM RATED OUTPUT
Recommended Fuse Sizes Base On The U.S. National Electrical Code And Maximum Machine Outputs
Input 50/60 Hz
Voltage
200
208
230
380
400
415
460
575
Phases
1
1
1
1
1
1
1
1
Input Amps
300Amps @
32Volts(100%)
Not
Recommended
76
69
Not
Recommended
Not
Recommended
41
36
31
Input Amps
350Amps @
34Volts(60%)
Not
Recommended
94
85
Not
Recommended
Not
Recommended
54
42
37
Recommended
Line Cord
AWG
---
2
4
---
---
6
8
8
Maximum
Fuse size
---
125A
125A
---
---
80A
70A
50A
Notes
Note 1
Note 2
Note 2
Note 1
Note 1
Note 2
200
208
230
380
400
415
460
575
Note 1. Not rated is indicated by 4-xʼs in the box on the rating plate.
Note 2. When operating on these inputs, the line cord should be changed to an input conductor of 6 AWG or larger.
3
3
3
3
3
3
3
3
41
39
36
23
22
22
19
16
50
50
42
28
27
26
23
18
6
6
8
8
8
8
8
8
80A
80A
70A
50A
50A
50A
50A
35A
Note 2
Note 2
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
100%
60%
CURRENT
300
350
LENGTH UP TO 200FT.(61m)
1/0
1/0
INVERTEC® V350-PRO
200-250 FT. (61-76m)
1/0
2/0
A-2
INSTALLATION
PHYSICAL DIMENSIONS
Height Width Depth
Construction
and Factory 14.8”(373mm) 13.3”(338mm) 27.8” *(706mm*) 81.0 Lbs.(36.7 Kg)
Advanced
Process 14.8”(373mm) 13.3”(338mm) 27.8” *(706mm*) 81.5 Lbs.(37.0 Kg)
and Rack
Weight with Cord
TEMPERATURE RANGES
A-2
OPERATING TEMPERATURE RANGE
-20°C to +40°C
* Overall Length Including Handle, 27.8” (706mm)
STORAGE TEMPERATURE RANGE
-40°C to +40°C
INVERTEC® V350-PRO
A-3
WARNING
REMOTE
POWER
OFF
ON
A
AMPS
A
V
VOLTS
WELD TERMINALS
SELECT
OUTPUT
LINCOLN
ELECTRIC
INVERTEC V350-PRO
WARNING
WARNING
AVISO DE
PRECAUCION
ATTENTION
!
!
!
!
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GREEN
RED
BLACK
WHITE or BROWN
INSTALLATION
SAFETY PRECAUTIONS
WARNING
ELECTRIC SHOCK can kill.
• TURN THE INPUT POWER OFF AT
THE DISCONNECT SWITCH BEFORE
ATTEMPTING TO CONNECT OR DIS-
CONNECT INPUT POWER LINES, OUTPUT
CABLES, OR CONTROL CABLES.
• Open the access panel on the rear of the machine.
• For 200 or 230: Position the large switch to 200-
230.
For higher voltages: Position the large switch to
380-575.
• Move the "A" lead to the appropriate terminal.
POWER CORD CONNECTION
A 10 ft. power cord is provided and wired into the
machine. Follow the power cord connection instructions.
A-3
• Only qualified personnel should perform this
installation.
• Connect the green/yellow lead of the power
cord to ground per U.S.National Electrical
Code.
• Incorrect connection may result in equipment
damage.
-----------------------------------------------------------------------
CAUTION
----------------------------------------------------------------------
SELECT SUITABLE LOCATION
The Invertec V350-PRO will operate in harsh environments.
Even so, it is important that simple preventative measures
are followed in order to assure long life and reliable operation.
• The machine must be located where there is free circulation of clean air such that air movement in the back, out
the sides and bottom will not be restricted.
• Dirt and dust that can be drawn into the machine should be
kept to a minimum. Failure to observe these precautions
can result in excessive operating temperatures and nuisance shutdown.
• Keep machine dry. Shelter from rain and snow. Do not
place on wet ground or in puddles.
CAUTION
• DO NOT MOUNT OVER COMBUSTIBLE SURFACES.
Where there is a combustible surface directly under
stationary or fixed electrical equipment, that surface
shall be covered with a steel plate at least .06”(1.6mm)
thick, which shall extend not less than 5.90”(150mm)
beyond the equipment on all sides.
-------------------------------------------------------------------------------
STACKING
V350-PRO cannot
TILTING
Place the machine directly on a secure, level surface or on a
recommended undercarriage. The machine may topple over
if this procedure is not followed.
INPUT AND GROUNDING CONNECTIONS
• Only a qualified electrician should connect the Invertec
V350-PRO. Installation should be made in accordance
with the appropriate National Electrical Code, all local
codes and the information detailed below.
• When received directly from the factory, multiple voltage
machines are internally connected for 460VAC. If 460VAC
is the desired input, then the machine may be connected
to the power system without any setup required inside the
machine.
• Initial 200VAC - 415VAC and 575VAC operation will
require an Input voltage panel setup.
be stacked.
INVERTEC® V350-PRO
Single Phase Input
Connect green lead to ground per National Electrical
Code.
Connect black and white or brown leads to power.
Wrap red lead with tape to provide 600V insulation.
Three Phase Input
Connect green lead to ground per National Electric
Code.
Connect black , red and white or bro wn leads to
power.
CONNECTIONS OF WIRE FEEDERS TO V350-PRO
LN-7 Connection Instructions
An LN- 7 c an o nly be used wit h t he “ Fact ory” &
“Advanced Process””versions of the 350-Pro.
• Turn the Invertec power switch "off".
• Connect the K480 control cable from the LN-7 to the
14-pin MS-style connector.
• Connect the electrode cable to the output terminal of
the polarity required by electrode. Connect the work
lead to the other terminal.
• Set the meter polarity switch on the front of the Invertec
to coincide with wire feeder polarity used. The wire
feeder will now display the welding voltage.
• If K480 is not avail able, see connect ion diagra m
S19404 for modification of K291 or K404 LN-7 input
cable with K867 Universal Adapter Plug.
• If a remote control such as K857 is to be used with the
LN-7, the remote can be connected directly to the 6-pin
MS-style connector on the front of the Invertec or use a
K864 adapter to connect the LN-7 and the remote to
the 14-pin MS-style connector. (See connection diagram S19901)
A-4
Work
Clamp
Electrode Cable
Electrode Cable
Electrode Cable
Work
Clamp
Work
Clamp
wire feeder
K1870-1
wire feeder
K1870-1
RANGER 8
SAE 400 WITH CV ADAPTER
ENGINE DRIVEN WELDERS
WITH WIRE FEED MODULE
(LOCAL MODE AND CV ADAPTER)
CV250
CV300
CV400
Output Terminals
Always Hot.
Output Terminals
Always Hot.
Order K484 Jumper
Plug Kit.
semiautomatic
semiautomatic
semiautomatic
wire feeder
K1870-1
wire feeder
K1870-1
CV655, DC400, DC600,
DC655, V350-PRO,
RANGER 9, RANGER 300 DLX
COMMANDER 300
COMMANDER 500
RANGER 2V35050
RANGER 305G
Output TerminalsOutput Terminals
Always Hot.Always Hot.
Power source contactorPower source contactor
switch must be in theswitch must be in the
"ON" position or use a "ON" position or use a
K848 Junper Plug Kit.K848 Junper Plug Kit.
ACROSS THE ARC MODEL
V350-PRO
TWIST-MATE
CONTROL CABLE MODEL
Electrode Cable
LN-10 Connection Instructions
An LN-10 can only be used with the “Factory” &
“Advanced Process””versions of the 350-Pro.
• Turn the Invertec power switch "off"
• Connect the K1505 control cable from the LN-10 to the
• Connect the electrode cable to the output terminal of
• Set the meter polarity switch on the front of the Invertec
• See the LN-10 manual for details on accessing Control
LN-15 Connection Instructions
(Factory, Construction & Advanced Process versions
can be connected.
• Turn the Invertec power switch "off".
• Connect the electrode cable to the output terminal of
• Set the meter polarity switch on the front of the Invertec
LN-25 Connection Instructions
(Factory, Construction & Advanced Process versions
can be connected.
• Turn the Invertec power switch "off".
• Connect the electrode cable to the output terminal of
• LN-25 with Remote Control options can be used with the
INSTALLATION
14-pin MS-style connector.
polarity required by the electrode. Connect the work
lead to the other terminal.
to coincide with wire feeder polarity used.
DIP Switch
polarity required by electrode. (See Figures below)
to coincide with wire feeder polarity used.
polarity required by electrode. Connect the work lead to
the other terminal.
Factory and Advanced Process version of the V350. The
6-Pin (K444-1) and 14-pin (K444-2) remotes can be connected directly to the 6-pin & 14-pin MS-style connectors.
The 42 Volt Remote Voltage and Output Control (K624-1)
Kit can be connected to the V350ʼs 14-pin MS-style connector using Remote Control Cable assembly K627- [ ].
LN-25s with a K431-1 remote kit can be connected to the
V350ʼs 14-pin MS-style connector using a K432 cable and
K876 adapter. (See connection diagram S19899). Or the
K432 cable could be modified with a K867 Universal
Adapter Plug (See connection diagram S19405) to connect it to the V350ʼs 14-pin MS-style connector.
INVERTEC® V350-PRO
A-4
LN-742 Connection Instructions
An LN-742 can only be used with the “Factory” &
“Advanced Process””versions of the 350-Pro.
• Turn the Invertec power switch "off"
• Either a K591 or a K593 Input cable assembly is
required to connect the LN-742 to the Invertec.
• Connect the control cable from the LN-742 to the
14-pin MS-style connector.
• Connect the electrode cable to the output terminal
of the polarity required by electrode. Connect the
work lead to the other terminal.
• Set the meter polarity switch on the front of the
Invertec to coincide with wire feeder polarity used.
The wire feeder will now display the welding voltage.
• If a remote control such as K857 is to be used with the
LN-742, the remote can be connected directly to the 6pin MS-style connector on the front of the Invertec or use
a K864 adapter to connect the LN-742 and the remote to
the 14-pin MS-style connector.
Cobramatic Connection Instructions
A Cobramatic can only be used with the “Factory” &
“Advanced Process””versions of the 350-Pro.
n the Invertec power switch "off"
• Tur
• Connect the control cable from the Cobramatic to
the 14-pin MS-style connector.
• Connect the electrode cable to the output terminal
of the polarity required by electrode. Connect the
work lead to the other terminal.
• Set the meter polarity switch on the front of the
Invertec to coincide with wire feeder polarity used.
• If a remote control such as K857 is to be used with
the Cobramatic, the remote can be connected
directly to the 6-pin MS-style connector on the front
of the Invertec or use a K864 adapter to connect
the cobramatic and the remote to the 14-pin MSstyle connector.
TIG Module K930-2
The TIG Module connects to the Factory and Advanced
Process
control cable. Connect the K936-1 to the MS-style
connector.
The TIG Module can also be used with the V350-Pro
Construction version. A K936-4 control cable is
required to supply 115VAC to the TIG Module from
an external 115VAC supply.
V350-Pro versions with a K936-1 (9-14 pin)
A-5
3.44
21.06
27.82
5.50
10.00
MOUNTING HOLE LOCATIONS
1/4-20 NUT (4 PLACES)
NOTE: MOUNTING SCREWS CANNOT PROTRUDE MORE THAN 0.5 INCHES INSIDE THE MACHINE.
3.50
11.84
INSTALLATION
General Instructions for Connection of Wire
Feeders to V350-Pro
Wire feeders other than those listed above may be
used provided that the auxiliary power supply rating of
the V350-Pro is not exceeded. K867 universal adapter
plug is required. See connection diagram S24985 on
page F-4.
REMOTE CONTROL OF INVERTEC
Remote Control K857, Hand Amptrol K963 and Foot
Amptrol K870.
UNDERCARRIAGE MOUNTINGS
A-5
PARALLEL OPERATION
The V350-Pro are operable in parallel in CC mode.
For best results, the currents of each machine should
be reasonably equally balanced. 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, m ore 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 maintain the desired current. The arc control pots should
be kept identical on the two machines.
INVERTEC® V350-PRO
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