Lincoln Electric POWERTEC 305C PRO Bedienungsanleitung

IM3022

12/2020

REV06

POWERTEC 305C PRO, 355C PRO, 425C PRO

OPERATOR’S MANUAL

ENGLISH

Lincoln Electric Bester Sp. z o.o.

ul. Jana III Sobieskiego 19A, 58-260 Bielawa, Poland

www.lincolnelectric.eu

English English

12/05

THANKS! For having choosen the QUALITY of the Lincoln Electric products.

Please Examine Package and Equipment for Damage. Claims for material damaged in shipment must be notified

immediately to the dealer.

For future reference record in the table below your equipment identification information. 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 .........................................................................................................................................................................................16

Spare Parts.................................................................................................................................................................................16

REACh........................................................................................................................................................................................16

Authorized Service Shops Location...........................................................................................................................................16

Electrical Schematic ...................................................................................................................................................................16

Suggested Accessories..............................................................................................................................................................17

English 1 English

Technical Specifications

NAME INDEX

POWERTEC 305C PRO K14057-1

POWERTEC 355C PRO K14058-1

POWERTEC 425C PRO K14059-1A

INPUT

Input Voltage U1EMC Class Frequency

305C PRO

230/400V ± 10%

3-phase A 50/60Hz

355C PRO

425C PRO

Input Power at Rated Cycle Input Amperes I1max cos φ

305C PRO 13,5 kVA @ 40% Duty Cycle 35,2A 0,95

355C PRO 17,5 kVA @ 40% Duty Cycle 45,5A 0,95

425C PRO 22,8 kVA @ 40% Duty Cycle 58A 0,96

RATED OUTPUT

Duty Cycle 40°C

(based on a 10 min. period) Output Current Output Voltage

305C PRO 100% 175A 22,8 Vdc

60% 230A 25,5 Vdc

40% 280A 28 Vdc

355C PRO 100% 220A 25 Vdc

60% 285A 28,2 Vdc

40% 350A 31,5 Vdc

425C PRO 100% 265A 27,3 Vdc

60% 345A 31,3 Vdc

40% 420A 35 Vdc

OUTPUT RANGE

Welding Current Range Open Circuit Voltage

305C PRO 30A – 280A 17 – 46 Vdc

355C PRO 30A – 350A 18 – 48 Vdc

425C PRO 30A – 420A 17 – 52 Vdc

RECOMMENDED INPUT CABLE AND FUSE SIZES

Fuse or Circuit Breaker Size Power Lead

230V 400V

305C PRO D 32A D 20A 4 Conductor, 4mm2

355C PRO D 40A D 25A 4 Conductor, 4mm2

425C PRO D 50A D 32A 4 Conductor, 6mm2

DIMENSION

Weight Height Width Length

305C PRO 145 kg 890 mm 565 mm 1040 mm

355C PRO 147 kg 890 mm 565 mm 1040 mm

425C PRO 162 kg 890 mm 696 mm 1040 mm

WIRE FEED SPEED RANGE / WIRE DIAMETER RANGE

WFS RANGE Solid wires Aluminum wires Cored wires

305C PRO 1 ÷ 20m/min 0.6 ÷ 1.6 1.0 ÷ 1.2 0.9 ÷ 1.6

355C PRO 1 ÷ 20m/min 0.6 ÷ 1.6 1.0 ÷ 1.2 0.9 ÷ 1.6

425C PRO 1 ÷ 20m/min 0.6 ÷ 1.6 1.0 ÷ 1.2 0.9 ÷ 1.6

Protection Rating Operating Humidity (t=20°C) Operating Temperature Storage Temperature

IP23 ≤90 % from -10 ºC to +40 ºC from -25 ºC to +55 ºC

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

K14057-1 POWERTEC 305C PRO 64 % / 35W No equivalent model

K14058-1 POWERTEC 355C PRO 69,8 % / 35W No equivalent model

K14059-1A POWERTEC 425C PRO 65,8 % / 22W No equivalent model

Idle state occurs under the condition specified in below table

IDLE STATE

Condition Presence

MIG mode

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

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 comonnly 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 li

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)

11/04

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 with, if necessary, assistance from

Lincoln Electric.

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 kept as short as possible and should be positioned together. 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

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 can be potential difficulties in ensuring electromagnetic compatibility in those locations,

due to conducted as well as radio-frequency disturbances.

WARNING

This equipment complies with IEC 61000-3-12 provided that the short-circuit power Ssc is greater than or equal to:

POWERTEC 305C PRO: Ssc ≥1,7 MVA

POWERTEC 355C PRO: Ssc ≥2 MVA

POWERTEC 425C PRO: Ssc ≥3,5 MVA

at the interface point between the user’s supply and the public system. 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 equipment is connected

only to a supply with a short circuit power Ssc greater than or equal to data on the table above.

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.

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

The welding machines of the POWERTEC C PRO enable:

Welding MGAW (MIG/MAG)

Welding FCAW-GS / FCAW-SS

The following equipment has been added to POWERTEC

305C PRO and 355C PRO:

USB with Operator’s Manual

Gun holder with screw material

Work lead - 3m

Gas hose - 2m

Hose clamp

Slow-blow fuse - 3A

Galvanized chain - 0,35m

The following equipment has been added to POWERTEC

425C PRO:

USB with Operator’s Manual

Gun holder with screw material

Work lead - 3m

Gas hose - 2m

Hose clamp

Water-cooler hoses – blue (0,4m) and red (0,4m)

Hose with quick water connector - 0,2m.

Slow-blow fuse - 3A.

POWERTEC 425C PRO is designed to work with cooler

COOL ARC 25.

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.

The machine is protected from overheating by a

temperature sensor.

Minutes or decrease

duty cycle

Input Supply Connection

WARNING

Only a qualified electrician can connect the welding

machine to the supply network. Installation the outlet plug

to power lead and connecting the welding machine 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

grounding wires from the machine to the input source.

POWERTEC 305C PRO, 355C PRO and 425C PRO can

only be connected to a mating grounded receptacle.

The allowable input voltages are 3x230V 50/60Hz and

3x400V 50/60Hz (3x400V: factory default). For more

information about input supply refer to the technical

specification section of this manual and to the rating plate

of the machine.

If it is necessary to change the input voltage:

The input cable must be disconnected from the mains

supply and the machine switched OFF.

Remove the left side panel from the machine.

Reconnect X11 and X12 according to the diagram

below:

400V 230V

230V

400V

WVU

YXZ

230V

400V

X12

WVU

YXZ YXZ

WVU

230V

400V

X12

X11X11

Figure 1.

English 5 English

Replace the left side panel.

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

with "D" characteristic) and cable sizes are indicated in

the technical specification section of this manual.

Refer to points [1], and [18] of the images below.

Output Connections

Refer to points [6], [7] and [8] of the images below.

Controls and Operational Features

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 to

indicate the machine is ready to weld.

2. Thermal Overload Indicator: This lamp will

light up when the machine is overheated

and the output has been turned off. This

can occur if the ambient temperature is

above 40°C or the duty cycle of the machine has been

exceeded. Leave the machine on to allow the internal

components to cool, when the lamp turns off normal

operation is possible.

3. Welding Load Voltage Switch: Adjust the

welding load voltage. POWERTEC 305C

PRO has 2 switches (2 and 10 steps).

POWERTEC 355C PRO and 425C PRO have 2

switches (3 and 10 steps).

WARNING

Do not switch Welding Load Voltage [3] during welding.

4. Digital Display Panel: Parameters of welding process

are shown.

Mode Indicators: These lamps show the work mode of

the machine:

the machine works in synergic mode

(automatic mode)

the machine works in manual mode

Display A: It shows the actual welding current value (in

A), and after finishing welding process, it shows the

average value of the welding current. Depending on

Work Mode, after the WFS value is changed [5], the

display A shows;

Correction of the speed automatically

matched by the machine, in the range

0.75-1.25

The value of adjusted WFS in m/min

Display V: It shows the actual value of welding load

voltage (in V), and after finishing welding process, it

shows the average value of welding voltage. When the

WFS value is changed [5], the display is blank.

5. WFS (Wire Feed Speed) Control Knob:

Depending on the work mode of the

machine, this knob controls:

Enables correction of the speed

automatically matched by the machine in

the range ±25%.

Enables continuous control of wire

feeding speed in the range from 1.0 to

20m/min.

SYNER GIC

Figure 2.

SYNER GIC

Figure 3.

Andere Handbücher für POWERTEC 305C PRO

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