Lincoln Electric POWERTEC i450C ADVANCED User manual

IM3171
04/2022
REV01
POWERTEC®i450C ADVANCED
OPERATOR’S MANUAL
ENGLISH
Lincoln Electric Bester Sp. z o.o.
ul. Jana III Sobieskiego 19A, 58-260 Bielawa, Poland
www.lincolnelectric.eu

English I English
12/05
THANK YOU! For choosing the QUALITY of the Lincoln Electric products.
Please check packaging and equipment for damage. Claims for material damaged in shipment must be notified
immediately to the dealer.
For ease of use, please enter your product identification data in the table below. Model Name, Code & Serial Number
can be found on the machine rating plate.
Model Name:
………………...…………………………….…………………………………………………………………………………………..
Code & Serial number:
………………….……………………………………………….. …………………………………………………….……………..
Date & Where Purchased:
………………………………………………………………... ……………………….…………………………………………..
ENGLISH INDEX
Technical Specifications...................................................................................................................................................... 1
ECO design information ...................................................................................................................................................... 2
Electromagnetic Compatibility (EMC).................................................................................................................................. 4
Safety.................................................................................................................................................................................. 5
Introduction ......................................................................................................................................................................... 7
Installation and Operator Instructions.................................................................................................................................. 7
WEEE ............................................................................................................................................................................... 15
Spare Parts ....................................................................................................................................................................... 15
REACh .............................................................................................................................................................................. 15
Authorized Service Shops Location .................................................................................................................................. 15
Electrical Schematic.......................................................................................................................................................... 15
Accessories....................................................................................................................................................................... 16

English 1 English
Technical Specifications
NAME INDEX
POWERTEC®i450C ADVANCED K14376-1
INPUT
Input Voltage U1EMC Class Frequency
i450C ADVANCED 400V ± 15%, 3-phase A 50/60Hz
Input Power at Rated Cycle Input Amperes I1max PF
i450C ADVANCED 20,3 kVA @ 80% Duty Cycle
(40°C) 29 A 0,94
RATED OUTPUT
Process
Open Circuit
Voltage
Duty Cycle 40°C
(based on a 10
min. period)
Output Current Output Voltage
i450C ADVANCED
GMAW
60Vdc (peak)
49Vdc (RMS)
80% 450A 36,5Vdc
100% 420A 35,0Vdc
FCAW 80% 450A 36,5Vdc
100% 420A 35,0Vdc
SMAW 80% 450A 38,0Vdc
100% 420A 36,8Vdc
WELDING CURRENT RANGE
GMAW FCAW SMAW
i450C ADVANCED 20A÷450A 20A÷450A 10A÷450A
RECOMMENDED INPUT CABLE AND FUSE SIZES
Fuse Type gR or Circuit Breaker Type Z Power Lead
i450C ADVANCED 32A, 400V AC 4 Conductor, 4,0mm2
WELDING VOLTAGE REGULATION RANGE
GMAW FCAW
i450C ADVANCED 15V ÷ 36,6V 15V ÷ 36,6V
WIRE FEED SPEED RANGE / WIRE DIAMETER
WFS Range Drive Rolls Drive roll diameter
i450C ADVANCED 1.5 ÷ 20,32m/min 4 Ø37
Solid Wires Aluminum Wires Cored Wires
i450C ADVANCED 0.8 ÷ 1.6mm 1.0 ÷ 1.6 mm 0.9 ÷ 1.6 mm
DIMENSION
Weight Height Width Length
i450C ADVANCED 75 kg 878 mm 560 mm 935 mm
OTHERS
Protection Rating Maximum Gas Pressure Operating Humidity (t=20°C)
i450C ADVANCED IP23 0,5MPa (5 bar) ≤90 %
Operating Temperature Storage Temperature
i450C ADVANCED from -10°C to +40°C from -25°C to 55°C

English 2 English
ECO design information
The equipment has been designed in order to be compliant with the Directive 2009/125/EC and the Regulation
2019/1784/EU.
Efficiency and idle power consumption:
Index Name Efficiency when max power
consumption / Idle power consumption Equivalent model
K14376-1 POWERTEC®i450C
ADVANCED 89% / 29W No equivalent model
Idle state occurs under the condition specified in below table
IDLE STATE
Condition Presence
MIG mode X
TIG mode
STICK mode
After 30 minutes of non-working
Fan off X
The value of efficiency and consumption in idle state have been measured by method and conditions defined in the product
standard EN 60974-1:20XX.
Manufacturer’s name, product name, code number, product number, serial number and date of production can be read from
rating plate.
XXXXXXXXXX
Code: XXXXX XXXXXX-X
S/N: P1YYMMXXXXX
12
34
5
P1 YY MM XXXXX
5A5A 5B 5D5C
XXXXXXX
Where:
1- Manufacturer name and address
2- Product name
3- Code number
4- Product number
5- Serial number
5A- country of production
5B- year of production
5C- month of production
5D- progressive number different for each machine

English 3 English
Typical gas usage for MIG/MAG equipment:
Material type
Wire
diameter
[mm]
DC electrode positive Wire Feeding
[m/min] Shielding Gas Gas flow [l/min]
Current
[A]
Voltage
[V]
Carbon, low
alloy steel 0,9 ÷ 1,1 95 ÷ 200 18 ÷ 22 3,5 – 6,5 Ar 75%, CO225% 12
Aluminium 0,8 ÷ 1,6 90 ÷ 240 18 ÷ 26 5,5 – 9,5 Argon 14 ÷ 19
Austenic
stainless steel 0,8 ÷ 1,6 85 ÷ 300 21 ÷ 28 3 - 7 Ar 98%, O22% / He 90%, Ar 7,5% CO22,5% 14 ÷ 16
Copper alloy 0,9 ÷ 1,6 175 ÷ 385 23 ÷ 26 6 - 11 Argon 12 ÷ 16
Magnesium 1,6 ÷ 2,4 70 ÷ 335 16 ÷ 26 4 - 15 Argon 24 ÷ 28
TIG Process:
In TIG welding process, gas usage depends on cross-sectional area of the nozzle. For commonly used torches:
Helium: 14-24 l/min
Argon: 7-16 l/min
Notice: Excessive flow rates causes turbulence in the gas stream which may aspirate atmospheric contamination into the
welding pool.
Notice: A cross wind or draft moving can disrupt the shielding gas coverage, in the interest of saving of protective gas use
screen to block air flow.
End of life
At end of life of product, it has to be disposal for recycling in accordance with Directive 2012/19/EU (WEEE), information
about the dismantling of product and Critical Raw Material (CRM) present in the product, can be found at
https://www.lincolnelectric.com/en-gb/support/Pages/operator-manuals-eu.aspx

English 4 English
Electromagnetic Compatibility (EMC)
01/11
This machine has been designed in accordance with all relevant directives and standards. However, it may still generate
electromagnetic disturbances that can affect other systems like telecommunications (telephone, radio, and television) or
other safety systems. These disturbances can cause safety problems in the affected systems. Read and understand this
section to eliminate or reduce the amount of electromagnetic disturbance generated by this machine.
This machine has been designed to operate in an industrial area. To operate in a domestic area it is necessary
to observe particular precautions to eliminate possible electromagnetic disturbances. The operator must install
and operate this equipment as described in this manual. If any electromagnetic disturbances are detected the
operator must put in place corrective actions to eliminate these disturbances, if necessary with assistance from
Lincoln Electric.
WARNING
Provided that the public low voltage system impedance at the point of common coupling is lower than:
23 mΩfor the POWERTEC®i450C ADVANCED
This equipment is compliant with IEC 61000-3-11 and IEC 61000-3-12 and can be connected to public low voltage systems.
It is the responsibility of the installer or user of the equipment to ensure, by consultation with the distribution network
operator if necessary, that the system impedance complies with the impedance restrictions.
Before installing the machine, the operator must check the work area for any devices that may malfunction because of
electromagnetic disturbances. Consider the following.
Input and output cables, control cables, and telephone cables that are in or adjacent to the work area and the machine.
Radio and/or television transmitters and receivers. Computers or computer controlled equipment.
Safety and control equipment for industrial processes. Equipment for calibration and measurement.
Personal medical devices like pacemakers and hearing aids.
Check the electromagnetic immunity for equipment operating in or near the work area. The operator must be sure that
all equipment in the area is compatible. This may require additional protection measures.
The dimensions of the work area to consider will depend on the construction of the area and other activities that are
taking place.
Consider the following guidelines to reduce electromagnetic emissions from the machine.
Connect the machine to the input supply according to this manual. If disturbances occur if may be necessary to take
additional precautions such as filtering the input supply.
The output cables should be as short as possible and positioned together as close as possible to each other. If possible
connect the work piece to ground in order to reduce the electromagnetic emissions. The operator must check that
connecting the work piece to ground does not cause problems or unsafe operating conditions for personnel and
equipment.
Shielding of cables in the work area can reduce electromagnetic emissions. This may be necessary for special
applications.
WARNING
EMC classification of this product is class A in accordance with electromagnetic compatibility standard EN 60974-10 which
means that the product is designed to be used in an industrial environment only.
WARNING
The Class A equipment is not intended for use in residential locations where the electrical power is provided by the public
low-voltage supply system. There may be potential difficulties in ensuring electromagnetic compatibility in those locations,
due to conducted as well as radiated disturbances.

English 5 English
Safety
01/11
WARNING
This equipment have to be used by qualified personnel. Be sure that all installation, operation, maintenance and repair
procedures are performed only by qualified person. Read and understand this manual before operating this equipment.
Failure to follow the instructions in this manual could cause serious personal injury, loss of life, or equipment damage. Read
and understand the following explanations of the warning symbols. Lincoln Electric is not responsible for damages caused
by improper installation, improper care or abnormal operation.
WARNING: This symbol indicates that instructions must be followed to avoid serious personal injury, loss
of life, or equipment damage. Protect yourself and others from possible serious injury or death.
READ AND UNDERSTAND INSTRUCTIONS: Read and understand this manual before operating this
equipment. Arc welding can be hazardous. Failure to follow the instructions in this manual could cause
serious personal injury, loss of life, or equipment damage.
ELECTRIC SHOCK CAN KILL: Welding equipment generates high voltages. Do not touch the electrode,
work clamp, or connected work pieces when this equipment is turned on. Insulate yourself from the
electrode, work clamp, and connected work pieces.
ELECTRICALLY POWERED EQUIPMENT: Turn off the input power using the disconnect switch at the
fuse box before working on this equipment. Ground this equipment in accordance with local electrical
regulations.
ELECTRICALLY POWERED EQUIPMENT: Regularly inspect the input, electrode, and work clamp
cables. If any insulation damage exists replace the cable immediately. Do not place the electrode holder
directly on the welding table or any other surface in contact with the work clamp to avoid the risk of
accidental arc ignition.
ELECTROMAGNETIC FIELD MAY BE DANGEROUS: Electric current flowing through any conductor
creates electromagnetic field (EMF). EMF fields may interfere with some pacemakers, and welders having
a pacemaker shall consult their physician before operating this equipment.
CE COMPLIANCE: This equipment complies with the European Community Directives.
ARTIFICIAL OPTICAL RADIATION: According with the requirements in 2006/25/EC Directive and
EN 12198 Standard, the equipment is a category 2. It makes mandatory the adoption of Personal
Protective Equipment (PPE) having filter with a protection degree up to a maximum of 15, as required by
EN169 Standard.
FUMES AND GASES CAN BE DANGEROUS: Welding may produce fumes and gases hazardous to
health. Avoid breathing these fumes and gases. To avoid these dangers the operator must use enough
ventilation or exhaust to keep fumes and gases away from the breathing zone.
ARC RAYS CAN BURN: 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. To protect the skin, use suitable clothing made
of durable, fireproof material. Protect other nearby personnel with suitable, non-flammable screening and
warn them not to watch the arc nor expose themselves to the arc.

English 6 English
WELDING SPARKS CAN CAUSE FIRE OR EXPLOSION: Remove fire hazards from the welding area
and have a fire extinguisher easily accessible. Welding sparks and hot materials from the welding process
can easily go through small cracks and openings to adjacent areas. Do not weld on any tanks, drums,
containers, or material until the proper steps have been taken to insure that no flammable or toxic vapors
will be present. Never use this equipment when flammable gases, vapors or flammable liquids are
present.
WELDED MATERIALS CAN BURN: Welding generates a large amount of heat. Hot surfaces and
materials in work area can cause serious burns. Use gloves and pliers when touching or moving
materials in the work area.
CYLINDER MAY EXPLODE IF DAMAGED: Use only certificate, compressed gas cylinders containing
the correct shielding gas for the process used and properly operating regulators designed for the gas and
pressure used. Always keep cylinders in an upright position securely chained to a fixed support. Do not
move or transport gas cylinders with the protection cap removed. Do not allow the electrode, electrode
holder, work clamp or any other electrically live part to touch a gas cylinder. Gas cylinders must be
located away from areas where they may be subjected to physical damage or the welding process
including sparks and heat sources.
MOVING PARTS ARE DANGEROUS: There are moving mechanical parts in this machine, which can
cause serious injury. Keep your hands, body and clothing away from those parts during machine starting,
operating and servicing.
HOT COOLANT CAN BURN SKIN: Always be sure coolant is NOT HOT before servicing the cooler.
SAFETY MARK: This equipment is suitable for supplying power for welding operations carried out in an
environment with increased risk of electric shock.
The manufacturer reserves the right to make changes and/or improvements in design without upgrade at the same time the
operator’s manual.

English 7 English
Introduction
General Description
The welding machines POWERTEC®i450C ADVANCED
enables welding:
GMAW (MIG/MAG),
FCAW (Flux-Cored),
SMAW (MMA).
The complete package contains:
Work lead – 3m,
Gas hose – 2m,
Driving roll V1.0/V1.2 for solid wire (mounted in the
wire feeder).
Recommended equipment, which can be bought by user,
was mentioned in the chapter "Accessories".
Installation and Operator Instructions
Read this entire section before installation or operation of
the machine.
Location and Environment
This machine will operate in harsh environments.
However, it is important that simple preventative
measures are followed to assure long life and reliable
operation.
Do not place or operate this machine on a surface with
an incline greater than 15° from horizontal.
Do not use this machine for pipe thawing.
This machine must be located where there is free
circulation of clean air without restrictions for air
movement to and from the air vents. Do not cover the
machine with paper, cloth or rags when switched on.
Dirt and dust that can be drawn into the machine
should be kept to a minimum.
This machine has a protection rating of IP23. Keep it
dry when possible and do not place it on wet ground
or in puddles.
Locate the machine away from radio controlled
machinery. Normal operation may adversely affect
the operation of nearby radio controlled machinery,
which may result in injury or equipment damage.
Read the section on electromagnetic compatibility in
this manual.
Do not operate in areas with an ambient temperature
greater than 40°C.
Duty cycle and Overheating
The duty cycle of a welding machine is the percentage of
time in a 10 minute cycle at which the welder can operate
the machine at rated welding current.
Example: 60% duty cycle
Welding for 6 minutes. Break for 4 minutes.
Excessive extension of the duty cycle will cause the
thermal protection circuit to activate.
Minutes or decrease
Duty Cycle
Input Supply Connection
WARNING
Only a qualified electrician can connect the welding
machine to the supply network. Installation had to be
made in accordance with the appropriate National
Electrical Code and local regulations.
Check the input voltage, phase and frequency supplied to
this machine before turning it on. Verify the connection of
ground wires from the machine to the input source. The
welding machine POWERTEC®i450C ADVANCED must
be connected to a correctly installed plug-in socket with an
earth pin.
Input voltage is 400 Vac 50/60Hz. For more information
about input supply refer to the technical specification
section of this manual and to the rating plate of the
machine.
Make sure that the amount of mains power available from
the input supply is adequate for normal operation of the
machine. The necessary delayed fuse or circuit breaker
and cable sizes are indicated in the technical specification
section of this manual.
WARNING
The welding machine can be supplied from a power
generator of output power at least 30% larger than input
power of the welding machine.
WARNING
When powering the machine from a generator be sure to
turn off welder first, before generator is shut down, in
order to prevent damage to welder!

English 8 English
Output Connections
Refer to points [2], [3] and [4] of the Figures below.
Controls and Operational Features
Front panel
7
8
9
1
2
3
4
5
6
Figure 1
1. Power Switch ON/OFF (I/O): Controls the input
power to the machine. Be sure the power source is
connected to the mains supply before turning power
on ("I"). After input power is connected and the
power switch is turned on, the indicator will light up.
2. Negative Output Socket for the Welding
Circuit: For connecting an electrode holder
with lead / work lead depending on the require
configuration.
3. Positive Output Socket for the Welding
Circuit: For connecting an electrode holder
with lead / work lead depending on the
require configuration.
4. EURO Socket: For connecting a welding gun (for
GMAW / FCAW process).
5. Remote Control Connector Plug: To install Remote
Control Kit. This connector allows connection
Remote Control. See "Accessories" chapter.
6. U7 User Interface: See User Interfaces chapter
7. Display Cover. Display protection for User Interface
U7.
8. Quick Connect Coupling: Coolant outlet
(supplies cool coolant to the torch/gun).
9. Quick Connect Coupling: Coolant inlet
(takes warm coolant from torch/gun).
Rear Panel
10
11 12
13
14
15
16
17
18
19
20
Figure 2
10. Wire Liner Entry: Enables installing liner for welding
wire delivered in drum package.
11. Top Chain: To protect gas bottle.
12. Supply Plug: For gas heater kit (see “Accessories”
chapter).
13. Power Lead (5m): Connect the supply plug to the
existing input cable that is rated for the machine as
indicated in this manual, and conforms to all
applicable standards. This connection shall be
performed by a qualified person only.
14. Gas Connector: Connection for gas line.
15. Gas Flow Regulator Plug: Gas flow regulator can be
purchased separately (see “Accessories” chapter).
16. Gas hose
17. Work Lead
18. Cover bracket: To install COOL ARC® 26 power
supply and control cable (see "Accessories
Suggested" chapter).
19. Quick Connect Coupling: Coolant inlet
(supplies cool coolant to the torch/gun).
20. Quick Connect Coupling: Coolant outlet
(takes warm coolant from torch/gun).

English 9 English
Internal Controls
21
22
23
24 25
26
27
Figure 3
21. Spooled Wire (for GMAW / FCAW): Not supplied as
standard.
22. Wire Spool Holder: Maximum 16kg spools. Holder
allows mounting plastic, steel and fiber spools onto
51 mm spindle.
Note: Plastic Brake Nut has a Left-hand thread.
23. Switch: wire feed / gas purge: This switch allows wire
feeding (wire test) and gas flow (gas test) without
switching on the output voltage..
24. Wire drive: 4-rolls wire drive.
25. Terminal Block of Changing Polarity Plug (for GMAW
/ FCAW-SS process): This terminal block enables to
set the welding polarity (+ ; -), which will be given at
the welding gun
26. USB Receptacle Type A: For USB memory stick
connection. For machine software update and
service purpose, video playing.
27. Fuse F1: Use the low blow fuse: 2A / 400V
(6,3x32mm)
User Interface Advanced (U7)
Figure 4
Detailed operation of User Interface U7 can be found in
the Advanced (U7) IM3170 user manual.

English 10 English
Welding GMAW and FCAW Process in
non-synergic mode
During non-synergic mode wire feed speed and welding
voltage are independent parameters and must be set by
the user.
Procedure of begin welding of GMAW or FCAW-SS
process:
Determine the wire polarity for the wire to be used.
Consult the wire data for this information.
Connect output the gas-cooled gun to GMAW / FCAW
process to Euro Socket [4].
Depending on the using wire, connect the work lead
[17] to output socket [2] or [3]. See [25] point –
terminal block of changing polarity.
Connect the work lead [17] to the welding piece with
the work clamp.
Install the proper wire.
Install the proper drive roll.
Make a sure if it is needed (GMAW process), that the
gas shield has been connected.
Turn the machine on.
Push the gun trigger to feed the wire through the gun
liner until the wire comes out of the threaded end.
Install a proper contact tip.
Depending on the welding process and the type of the
gun, install the nozzle (GMAW process) or protection
cap (FCAW process).
Close the Left side panel.
The welding machine is now ready to weld.
By applying the principle of occupational health and
safety at welding, welding can be begun.
WARNING
Keep the gun cable as straight as possible when loading
electrode through cable.
WARNING
Never use defected gun.
Check gas flow with Gas Purge Switch [23].
Close the side panel.
Close the spool wire case.
Select the Right welding program.
Note: The list of available programs depends on the
power source.
Set the welding parameters.
The welding machine is now ready to weld.
WARNING
The side panel and wire spool case have to be completely
closed during welding.
WARNING
Keep the gun cable as straight as possible when welding
or loading electrode through cable.
WARNING
Do not kink or pull cable around sharp corners.
By applying the principle of occupational health and
safety at welding, welding can be begun.
For non-synergic mode can set:
Wire Feed Speed, WFS
The welding voltage
Burnback Time
Run-in WFS
Preflow Time/ Postflow Time
Spot Time
2-Step/4-Step
Start Procedure
Crater Procedure
Wave Control: Pinch
Welding GMAW and FCAW Process in
synergic mode CV
In synergic mode, the welding voltage is not set by user.
The correct welding voltage will be set by the machine
software. Optimal voltage value depends of input data:
Wire Feed Speed, WFS.
If it is needed, the welding voltage can be adjusted by the
right knob When the right knob is rotated, the display will
show a positive or negative bar that indicates if the
voltage is above or below the optimal voltage.
Additionally user can manually set:
Burnback Time
Run-in WFS
Preflow Time
Postflow Time
Spot Welding Settings
2-Step/4-Step
Start Procedure
Crater Procedure
Wave Control: Pinch

English 11 English
Welding SMAW Process
POWERTEC®i450C ADVANCED does not include the
electrode holder with lead necessary for SMAW welding,
but the one can be purchased separately (see
"Accessories" chapter).
Procedure of begin welding of SMAW process:
First turn the machine off.
Determine the electrode polarity for the electrode to be
used. Consult the electrode data for this information.
Depending on the polarity of using electrode, connect
the work lead [17] and the electrode holder with lead to
output socket [2] or [3] and lock them. See the Table 1.
Table 1 Polarity
Output Socket
POLARITY
DC (+)
The electrode holder
with lead to SMAW [3]
Work lead [2]
DC (-)
The electrode holder
with lead to SMAW [2]
Work lead [3]
Connect the work lead to the welding piece with the
work clamp.
Install the proper electrode in the electrode holder.
Turn the machine on.
Set the SMAW welding program.
Set the welding parameters.
The welding machine is now ready to weld
By applying the principle of occupational health and
safety at welding, welding can be begun.
For SMAW process user can set:
Welding Current
Switch on / switch off the output voltage on the output
lead.
Wave Control:
Arc Force
Hot Start
Loading the Electrode Wire
Depending on the type of wire spool it can be installed on
the wire spool support without adapter or installed with
use applicable adapter that must be purchased separately
(see "Accessories" chapter).
WARNING
Turn the input power OFF at the welding power source
before installation or changing a wire spool.
Turn the input power OFF.
Open the side panel of the machine.
Unscrew the Locking Nut [22] and remove it from the
Spindle.
Place the spool [21] on the Spindle [22] making certain
the Spindle Brake Pin is put in the hole in back side of
spool.
If using adapter (see "Accessories" chapter), place it
on the spindle [22] making certain the spindle brake
pin is put in the hole in back side of the adapter.
WARNING
Position the spool so that it will rotate in the same
direction as wire feed and electrode wire should feed from
the bottom side of the spool.
Install the locking nut [22]. Make sure that the locking
nut is tightened.
Adjustments of Brake Torque of Sleeve
To avoid spontaneous unrolling of the welding wire the
sleeve is fitted with a brake.
Adjustment is carried by rotation of its screw M10, which
is placed inside of the sleeve frame after unscrewing the
brake locking nut.
30
29
28
Figure 5
28. Locking Nut.
29. Adjusting Screw M10.
30. Pressing Spring.
Turning the M10 screw clockwise increases the spring
tension and increase the brake torque.
Turning the M10 screw anticlockwise decreases the
spring tension and decrease the brake torque.
After finishing of adjustment, you should screw brake
locking nut again.

English 12 English
Adjusting of Pressure Roll Force
The pressure arm controls the amount of force the drive
rolls exert on the wire. Pressure force is adjusted by
turning the adjustment nut clockwise to increase force,
counterclockwise to decrease force. Proper adjustment of
pressure arm gives the best welding performance.
WARNING
If the roll pressure is too weak the roll will slide on the
wire. If the roll pressure is set too heavy the wire may be
deformed, which cause feeding problems in the welding.
The pressure force should be set properly. For this
purpose decrease the pressure force slowly until the wire
just begins to slide on the drive roll and then increase the
force slightly by turning of the adjustment nut by one turn.
Inserting Electrode Wire into Welding
Torch
Turn the welding machine off.
Depending of welding process connect proper welding
torch to the euro socket. Rated parameters of the
torch and welding machine should be matched.
Depends on type of gun must be remove the nozzle
from the gun and contact tip or protection cap and
contact tip.
Turn the welding machine on.
Hold the Cold Feed/Gas Purge Switch [23] or use
torch trigger until wire appear over threaded end of the
gun.
When the Cold Feed switch or torch trigger is released
spool of wire should not unwind.
Adjust wire spool brake accordingly.
Turn the welding machine off.
Install a proper contact tip.
Depending on the welding process and the type of the
gun, install the nozzle (GMAW process) or protection
cap (FCAW process).
WARNING
Take precaution to keep eyes and hands away from the
end of the gun while the wire is being come out of the
threaded end.
Changing Driving Rolls
WARNING
Turn the input power off before installation or changing
drive rolls.
POWERTEC®i450C ADVANCED are equipped with
drive roll V1.0/V1.2 for steel wire. For others wires and
sizes it is required to install proper drive rolls kit (see
"Accessories" chapter) and follow instruction:
Turn the input power OFF.
Unlock 4 rolls by turning 4 Quick-Change Carrier Gear
[35].
Release the pressure roll levers [36].
Change the drive rolls [34] corresponding to the used
wire.
WARNING
Be sure that the gun liner and contact tip are also size to
match the selected wire size.
WARNING
For wires with the diameter larger than 1.6mm, the
following parts have to be changed:
The guide tube of the feeding console [32] and [33].
The guide tube of the Euro Socket [31].
Lock 4 new rolls by turning 4 Quick-Change Carrier
Gear [35].
Insert the wire through the guide tube, over the roller
and through the guide tube of Euro Socket into liner of
gun. The wire can be pushed into the liner manually
for a few centimeters, and should feed easily and
without any force.
Lock the pressure roll levers [36].
31
32
33
35
35
34
36
Figure 6

English 13 English
Gas Connection
WARNING
CYLINDER may explode if damaged.
Always fix the gas cylinder securely in an
upright position, against a cylinder wall
rack or purpose-made cylinder cart.
Keep cylinder away from areas where i
t
may be damaged, heated or electrical
circuits to prevent possible explosion o
r
fire.
Keep cylinder away from welding or othe
r
live electrical circuits.
Never lift welder with cylinder attached.
Never allow welding electrode to touch
cylinder.
Build up of shielding gas may harm health
or kill. Use in a well-ventilated area to
avoid gas accumulation.
Close the gas cylinder valves thoroughl
y
when not in use to avoid leaks.
WARNING
Welding machine supports all suitable shielding gases at
a maximum pressure of 5,0 bar.
WARNING
Before use, make sure that the gas cylinder contains gas
suitable for the intended purpose.
Turn off input power at the welding power source.
Install a proper gas flow regulator to the gas cylinder.
Connect the gas hose to the regulator using the hose
clamp.
The other end of gas hose connect to the gas
connector on the power source rear panel.
Turn on input power at the welding power source.
Open the gas cylinder valve.
Adjust the shielding gas flow of the gas regulator.
Check gas flow with Gas Purge Switch [23].
WARNING
To weld GMAW process with CO2shielding gas, CO2gas
heater should be used.
Transport & Lifting
WARNING
Falling equipment can cause injury and
damage to unit.
Figure 7
During transportation and lifting with a crane, adhere to
the following rules:
The device contains elements adapted for transport.
For lifting a suitable lifting equipment capacity.
For lifting and transport use minimum four belts.
Lift and transport only power source without gas
cylinder, cooler, or/and any other accessories.

English 14 English
Maintenance
WARNING
For any repair operations, modifications or maintenances,
it is recommended to contact the nearest Technical
Service Center or Lincoln Electric. Repairs and
modifications performed by unauthorized service or
personnel will cause, that the manufacturer’s warranty will
be lost.
Any noticeable damage should be reported immediately
and repaired.
Routine maintenance (everyday)
Check condition of insulation and connections of the
work leads and insulation of power lead. If any
insulation damage exists replace the lead
immediately.
Remove the spatters from the welding gun nozzle.
Spatters could interfere with the shielding gas flow to
the arc.
Check the welding gun condition: replace it, if
necessary.
Check condition and operation of the cooling fan.
Keep clean its airflow slots.
Periodic maintenance (every 200 working hours but at
least once a year)
Perform the routine maintenance and, in addition:
Keep the machine clean. Using a dry (and low
pressure) airflow, remove the dust from the external
case and from the cabinet inside.
If it is required, clean and tighten all weld terminals.
The frequency of the maintenance operations may vary in
accordance with the working environment where the
machine is placed.
WARNING
Do not touch electrically live parts.
WARNING
Before removed case, machine has to be turned off and
the power lead has to be disconnected from mains socket.
WARNING
Mains supply network must be disconnected from the
machine before each maintenance and service. After
each repair, perform proper tests to ensure safety.
Customer Assistance Policy
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 customer’s
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.

English 15 English
WEEE
07/06
Do not dispose of electrical equipment together with normal waste!
In observance of European Directive 2012/19/EC on Waste Electrical and Electronic Equipment (WEEE)
and its implementation in accordance with national law, electrical equipment that has reached the end of its
life must be collected separately and returned to an environmentally compatible recycling facility. As the
owner of the equipment, you should get information on approved collection systems from our local
representative.
By applying this European Directive you will protect the environment and human health!
Spare Parts
12/05
Part List reading instructions
Do not use this part list for a machine if its code number is not listed. Contact the Lincoln Electric Service Department
for any code number not listed.
Use the illustration of assembly page and the table below to determine where the part is located for your particular
code machine.
Use only the parts marked "X" in the column under the heading number called for in the assembly page (# indicate a
change in this printing).
First, read the Part List reading instructions above, then refer to the "Spare Part" manual supplied with the machine that
contains a picture-descriptive part number cross-reference.
REACh
11/19
Communication in accordance with Article 33.1 of Regulation (EC) No 1907/2006 – REACh.
Some parts inside this product contain:
Bisphenol A, BPA, EC 201-245-8, CAS 80-05-7
Cadmium, EC 231-152-8, CAS 7440-43-9
Lead, EC 231-100-4, CAS 7439-92-1
Phenol, 4-nonyl-, branched, EC 284-325-5, CAS 84852-15-3
in more than 0,1% w/w in homogeneous material. These substances are included in the “Candidate List of Substances of
Very High Concern for Authorisation” of REACh.
Your particular product may contain one or more of the listed substances.
Instructions for safe use:
use according to Manufacturer instructions, wash hands after use;
keep out of reach of children, do not put in mouth,
dispose in accordance with local regulations.
Authorized Service Shops Location
09/16
The purchaser must contact a Lincoln Authorized Service Facility (LASF) about any defect claimed under Lincoln's
warranty period.
Contact your local Lincoln Sales Representative for assistance in locating a LASF or go to www.lincolnelectric.com/en-
gb/Support/Locator.
Electrical Schematic
Refer to the "Spare Part" manual supplied with the machine.

English 16 English
Accessories
K14201-1 CABLE MANAGEMENT KIT
K14325-1 DISPLAY COVER KIT LE
K14328-1 BUMPERS
K10095-1-15M REMOTE CONTROL
K2909-1 6-PIN/12-PIN ADAPTER
K14290-1 12PIN REMOTE HARNESS KIT
K14175-1 GAS FLOW METER KIT
K14176-1 GAS HEATER KIT
K14182-1 COOLER COOLARC 26
R-1019-125-1/08R ADAPTER FOR SPOOL S200
K10158-1 ADAPTER FOR SPOOL TYPE B300
K10158 ADAPTER FOR SPOOL 300mm
K14091-1 REMOTE MIG LF45PWC300-7M (CS/PP)
E/H-300A-50-XM WELDING CABLE WITH ELECTRODE HOLDER 300A (X=5, 10m)
E/H-400A-70-XM WELDING CABLE WITH ELECTRODE HOLDER 400A (X=5, 10m)
MIG/MAG TORCHES
W10429-36-3M LGS2 360 G-3.0M MIG GUN AIR COOLED
W10429-36-4M LGS2 360 G-4.0M MIG GUN AIR COOLED
W10429-36-5M LGS2 360 G-5.0M MIG GUN AIR COOLED
W10429-505-3M LGS2 505W 3.0M MIG GUN WATER COOLED
W10429-505-4M LGS2 505W 4.0M MIG GUN WATER COOLED
W10429-505-5M LGS2 505W 5.0M MIG GUN WATER COOLED
ROLL KIT FOR SOLID WIRES
KP14150-V06/08 ROLL KIT 0.6/0.8VT FI37 4PCS GREEN/BLUE
KP14150-V08/10 ROLL KIT 0.8/1.0VT FI37 4PCS BLUE/RED
KP14150-V10/12 ROLL KIT 1.0/1.2VT FI37 4PCS RED/ORANGE
KP14150-V12/16 ROLL KIT 1.2/1.6VT FI37 4PCS ORANGE/YELL
KP14150-V16/24 ROLL KIT 1.6/2.4VT FI37 4PCS YELL/GREY
KP14150-V09/11 ROLL KIT 0.9/1.1VT FI37 4PCS
KP14150-V14/20 ROLL KIT 1.4/2.0VT FI37 4PCS
ROLL KIT FOR ALUMINIUM WIRES
KP14150-U06/08A ROLL KIT 0.6/0.8AT FI37 4PCS GREEN/BLUE
KP14150-U08/10A ROLL KIT 0.8/1.0AT FI37 4PCS BLUE/RED
KP14150-U10/12A ROLL KIT 1.0/1.2AT FI37 4PCS RED/ORANGE
KP14150-U12/16A ROLL KIT 1.2/1.6AT FI37 4PCS ORANGE/YELL
KP14150-U16/24A ROLL KIT 1.6/2.4AT FI37 4PCS YELL/GREY
ROLL KIT FOR CORED WIRES
KP14150-V12/16R ROLL KIT 1.2/1.6RT FI37 4PCS ORANGE/YELL
KP14150-V14/20R ROLL KIT 1.4/2.0RT FI37 4PCS
KP14150-V16/24R ROLL KIT 1.6/2.4RT FI37 4PCS YELL/GREY
KP14150-V09/11R ROLL KIT 0.9/1.1RT FI37 4PCS
KP14150-V10/12R ROLL KIT 1.0/1.2RT FI37 4PCS -/ORANGE
WIRE GUIDES
0744-000-318R WIRE GUIDE SET BLUE Ø0.6-1.6
0744-000-319R WIRE GUIDE SET RED Ø1.8-2.8
D-1829-066-4R EURO WIRE GUIDE Ø0.6-1.6
D-1829-066-5R EURO WIRE GUIDE Ø1.8-2.8