Lincoln Electric OPTIMARC AC/DC 350-TP Bedienungsanleitung

Rev. 05

OPTIMARC®AC/DC 350-TP

IM7024-1

Nov, 2019

Rev. 05

OPTIMARC®AC/DC 350-TP

For use with machine Part Number K60108-1, Code 76251

•World’s Leader in Welding and Cutting•

THE SHANGHAI LINCOLN ELECTRIC COMPANY

No. 195, Lane 5008, Hu Tai Rd. Baoshan, Shanghai, PRC 201907

www.lincolnelectric.com.cn

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

you part. DO NOT INSTALL, OPERATE

OR REPAIR THIS EQUIPMENT

WITHOUT READING THIS MENUAL

AND THE SAFETY PRECAUTIONS

CONTAINED THROUGHOUT. And,

most importantly, think before you act

and be careful.

Rev. 05

OPTIMARC®AC/DC 350-TP

Thank you for selecting QUALITY Lincoln Electric products.

Please examine the packaging and equipment for damage. Claims for material damaged in shipment must be

notified immediately to the authorized dealer from whom you purchased the machine.

For future reference, please record your equipment identification information in the table below. Model Name,

Code & Serial Number can be found on the machine rating plate.

Model Name

□OPTIMARC®AC/DC 350-TP

Code & Serial number

K60108-1

Date & Where Purchased

Authorized dealer’s shop

Declaration of conformity

THE SHANGHAI LINCOLN ELECTRIC COMPANY

Designed in conformance with the following norm:

GB/T 15579.1

EN 60974-1

THE SHANGHAI LINCOLN ELECTRIC COMPANY

No. 195, Lane 5008, Hu Tai Rd. Baoshan, Shanghai, PRC 201907

iSAFETY i

Rev. 05

OPTIMARC®AC/DC 350-TP

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.

BE SURE THAT ALL INSTALLATION, OPERATION, MAINTENANCE AND REPAIR

PROCEDURES ARE PERFORMED ONLY BY QUALIFIED INDIVIDUALS.

WARNING

ELECTRIC AND

MAGNETIC FIELDS

may be dangerous.

1.a Electric current flowing through any conductor

causes localized Electric and Magnetic Field

(EMF). Welding current creates EMF fields

around welding cables and welding machines.

1.b EMF fields may interfere with some pacemakers,

and welders having a pacemaker should consult

their physican before welding.

1.c All welders should use the following procedures

in order to minimize exposure to EMF fields from

the welding circuit:

1.c.1 Route the electrode and work cables

together –Secure them with tape when

possible.

1.c.2 Never coil the electrode lead around your

body.

1.c.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.c.4 Connect the work cable to the workpiece

as close as possible to the area being

welded.

ARC RAYS can burn.

2.a Use a shield with the proper filter and cover

plates to protect your eyes from sparks and the

rays of the arc. Headshield and filter lens should

conform to ANSI Z87. I standards.

2.b Use suitable clothing made from durable flame-

resistant material to protect your skin and that of

your helpers from the arc rays.

2.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.

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-free gloves to insulate

hand.

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 must be performed under

electrically hazardous conditions (in damp

locations or while wearing wet clothing; on

metal structures such as floors, grating 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 Menual (MMA) Welder.

AC Welder with Reduced Voltage Control.

3.c In semiautomatic or automatic wire welding, the

electrode, electrode reel, welding head, nozzle or

semiautomatic 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 Never simultaneously touch electrically “hot”

parts of electrode holder to two welders because

voltage between the two can be total of the open

circuit voltage of both welders.

ii SAFETY ii

Rev. 05

OPTIMARC®AC/DC 350-TP

FUMES AND GASES

can be dangerous.

4.a Welding may produce fumes and gases

hazardous to health. Avoid breathing these

fumes and gases. When welding, keep your

head out of fume. Use enough ventilation and/or

exhaust at the arc to keep fumes and gases

away from the breathing zone. When welding

with electrodes which require special

ventilation such as stainless or hard facing

(see instructions on container or MSDS) or on

lead 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) using local exhaust or mechanical

ventilation. In confined spaces or in some

circumstances, outdoors, a respirator may be

required. Additional precautions are also

required when welding on galvanized steel.

4.b Do not weld in locations near chlorinated

hydrocarbon vapors coming from degreasing,

cleaning or spraying operations. The heat and

rays or the arc can react with solvent vapors to

form phosgene, a highly toxic gas, and other

irritating products.

4.c Shielding gases used for arc welding can

displace air and cause injury or death. Always

use enough ventilation, especially in confined

areas, to insure breathing air is safe.

4.d Read and understand the menufacturer’s

instructions for this equipment and the

consumables to be used, including the material

safety data sheet (MSDS) and follow your

employer’s safety practices. MSDS forms are

available from your welding distributor or from

the menufacturer.

FOR ELECTRICALLY

powered equipment.

5.a Turn off input power using the disconnect switch

at the fuse box before working on the equipment.

5.b Install equipment in accordance with the national

standard, all local standards and the

menufacturer’s recommendations.

5.c Ground the equipment in accordance with the

national standards and the menufacturer’s

recommendations.

WELDING SPARKS

can cause fire or

explosion.

6.a Remove fire hazards from the welding area. If

this is not possible, cover them to prevent the

welding sparks from starting a fire. Remember

that welding sparks and hot materials from

welding can easily go through small cracks and

openings to adjacent areas. Avoid welding near

hydraulic lines. Have a fire extinguisher readily

available.

6.b 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.c 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 subtances

inside. They can cause an explosion even

though they have been “cleaned”.

6.d Sparks and spatter are thrown from the welding

arc. Wear oil free protective garments such as

leather gloves, heavy shirt, cuffless trouses, high

shoes and a cap over your hair.

CYLINDER may

explode if damaged.

7.a Use only compressed gas cylinders containing

the correct shielding gas for the process used

and properly operating regulators designed for

the gas and pressure used. All hoses, fittings,

etc. should be suitable for the application and

maintained in good condition.

7.b Always keep cylinders in an upright position

securely chained to an undercarriage or fixed

support.

7.c Cylinder 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.

CONTENTS

Rev. 05

OPTIMARC®AC/DC 350-TP

INSTALLATION.......................................................................................................................................A-1

TECHNICAL SPECIFICATIONS –OPTIMARC®AC/DC 350-TP ............................................................................. A-1

SAFETY PRECAUTIONS........................................................................................................................................ A-2

SELECT SUITABLE LOCATION ...................................................................................................................... A-2

INPUT POWER AND GROUNDING CONNECTION........................................................................................ A-2

CABLE CONNECTIONS................................................................................................................................... A-2

OPERATION…………………………………………………………………………………………………….B-1

GRAPHIC SYMBOLS THAT APPEAR ON THIS MACHINE OR IN THIS MANUAL................................................ B-1

SAFETY PRECAUTIONS........................................................................................................................................ B-4

OPERATIONAL FEATURES AND CONTROLS...................................................................................................... B-4

FRONT PANEL (SEE FIGURE B.1) ................................................................................................................. B-4

REAR PANEL (SEE FIGURE B.2).................................................................................................................... B-5

FAN WORK STATUS ....................................................................................................................................... B-5

USER INTERFACE OPERATION (SEE FIGURE B.3)..................................................................................... B-5

POWER ON .............................................................................................................................................. B-5

WEIDING MODES..................................................................................................................................... B-6

OUTPUT WAVEFORMS ........................................................................................................................... B-6

CRATER MODES...................................................................................................................................... B-6

PULSE....................................................................................................................................................... B-7

SETTINGS................................................................................................................................................. B-7

MEMORY .................................................................................................................................................. B-7

WELDING STATUS................................................................................................................................... B-8

WELDING WAVEFORM............................................................................................................................ B-8

WELDING PARAMETERS ........................................................................................................................ B-8

CURRENT PARAMETER SETTING ......................................................................................................... B-8

WEIDING CURRENT AND WELDING VOLTAGE .................................................................................... B-8

FUNCTION CONFIGURATION STATUS.................................................................................................. B-8

REMOTE SETTING VALUE...................................................................................................................... B-8

LOCK SCREEN......................................................................................................................................... B-9

RECALLED PROCEDURE NUMBER ....................................................................................................... B-9

FAULT IDENTIFICATION.......................................................................................................................... B-9

TIG TRIGGER SEQUENCES.................................................................................................................................. B-9

2-STEP TRIGGER SEQUENCE....................................................................................................................... B-9

2-STEP REPEAT TRIGGER SEQUENCE........................................................................................................ B-9

4-STEP TRIGGER SEQUENCE....................................................................................................................... B-9

4-STEP REPEAT TRIGGER SEQUENCE.......................................................................................................B-10

AC BALANCE AND AC OFFSET............................................................................................................................B-10

LIST OF PARAMETERS AND FACTORY CONFIGURATION PROGRAM............................................................B-11

TROUBLESHOOTING………………...…………………………………………...………………………….C-1

WIRING DIAGRAM……….……………………………………………………………………………………D-1

NOTES………………………..………………………………………………………………………………….E-1

A-1INSTALLATION A-1

Rev. 05

OPTIMARC®AC/DC 350-TP

TECHNICAL SPECIFICATIONS –OPTIMARC®AC/DC 350-TP

INPUT –THREE PHASE ONLY

Standard Voltage/Phase/Frequency

380V ~ 415V(±10%)/3/50 or 60 Hz

RATED OUTPUT –DC AND AC

Input Power at Rated Output ( MMA )

15 KW (40% DUTY CYCLE)

OUTPUT

MODE

DUTY CYCLE

CURRENT

RATED OUTPUT

VOLTAGE

MMA

40%

60%

100%

350A

300A

250A

34V

32V

30V

TIG

40%

60%

100%

350A

300A

250A

24V

22V

20V

MMA

SQUARE

60%

100%

300A

250A

32V

30V

SINE

TRIANGLE

100%

250A

30V

TIG

SQUARE

60%

100%

300A

250A

22V

20V

SINE

TRIANGLE

100%

250A

20V

OUTPUT RANGE –DC AND AC

OUTPUT

MODE

CURRENT RANGE

OCV

VOLTAGE RANGE

MMA

10A ~ 350A

72V/78V

20.4 V ~ 34V

TIG

4A ~ 350A

72V/78V

10.16 V ~ 24V

MMA

SQUARE

10A ~ 300A

72V/78V

20.4 V ~ 32V

SINE

TRIANGLE

10A ~ 250A

20.4 V ~ 30V

TIG

SQUARE

10A ~ 300A

72V/78V

10.4 V ~ 22V

SINE

TRIANGLE

10A ~ 250A

10.4 V ~ 20V

RECOMMENDED INPUT WIRE AND FUSE SIZES

Input Voltage/

Frequency (Hz)

380V / 415V/

50 Hz / 60 Hz

Maximum

Input Ampere

30A / 24A

Maximum

Effective Supply

Current

19A / 15A

60°C Copper

Wire in

Conduct

Sizes

6mm2

Fuse or Breaker Size

(Super Lag)

40A

Grounding

Conductor

Size

4mm2

PHYSICAL DIMENSIONS

Height

540mm

Width

340mm

Depth

800mm

Weight

56Kg

TEMPERATURE RANGE

Operating Temperature Range

-10°C ~ +40°C

Storage Temperature Range

-25°C ~ +55°C

EMC

EMC CLASS

A （INDUSTRIAL MACHINE）

For any maintenance or repair operation it is recommended to contact the nearest technical service center or directly

consult the machine division of the Shanghai Lincoln Electric. Maintenance or repairs performed by unauthorized service

center or personnel will void the manufacturer’s warranty.

A-2INSTALLATION A-2

Rev. 05

OPTIMARC®AC/DC 350-TP

SAFETY PRECAUTIONS

Read the entire installation section before starting

installation.

ELECTRIC SHOCK can kill.

Only qualified personnel

should perform this installation.

Turn the input power OFF at

the main switch or fuse box before

working on this equipment. Turn

off the input power to any other equipment

connected to the welding system at the main

switch or fuse box before working on the

equipment.

Do not touch electrically “Hot”parts.

Always connect the OPTIMARC®grounding lug

(located at the rear of the case) to a proper safety

(Earth) ground. OPTIMARC®is for use on a 4 wire

system with earthed neutral.

SELECT SUITABLE LOCATION

This power source should not be subjected to falling

water, nor should any parts of it be submerged in water.

Doing so may cause improper operation as well as pose

a safety hazard. The best practice is to keep the machine

in a dry, sheltered area.

The bottom of machine must always be placed on a

firm, secure, level surface. There is a danger of the

machine toppling over if this precaution is not taken.

Place the welder where clean cooling air can freely

circulate in through the back louvers and out through the

case or front sides. Water,dirt, dust or any foreign

material that can be drawn into the welder should be kept

to a minimum. Failure to observe these precautions can

result in excessive operating temperatures and nuisance

shutdowns.

Locate the OPTIMARC®machine away from radio

controlled machinery. Normal operation of the welder

may adversely affect the operation of RF controlled

equipment, which may result in bodily injury or damage to

the equipment.

INPUT POWER AND GROUNDING

CONNECTION

Only a qualified electrician should connect the input

leads to the OPTIMARC®. Connections should be

made in accordance with the connection diagram.

Failure to do so may result in bodily injury or death.

Open the input box on the rear of the case. Use a three-

phase supply line, the three live wires should go through

the three holes of the input wire holder and be securely

clamped and fixed. Connect L1, L2, L3 and ground

according to the Input Supply Connection Diagram decal,

refer to Figure A.1 on this page.

Make sure the amount of power available from the input

connection is adequate for normal operation of the

machine. Refer to the Technical Specifications at the

beginning of this Installation section for recommended

fuse and wire sizes. Fuse the input circuit with the

recommended super lug fuse or delay type breakers.

Using fuses or circuit breakers smaller than

recommended may result in “nuisance” shut-offs from

welder inrush currents, even if the machine is not being

used at high currents.

FIGURE A.1

CABLE CONNECTIONS

Connect electrode and work leads with sufficient size

between the proper output studs on the power source

and the electrode or the work. Be sure the connection to

the work makes tight metal to metal electrical contact.

Poor work lead connections can result in poor welding

performance.

To avoid interference problems with other equipment

and to achieve the best possible operation, route all

cables directly to the electrode and the work. Avoid

excessive lengths and do not coil excess cable.

Cable sizes are increased for greater lengths primarily for

the purpose of minimizing voltage drop in the cable.

Minimum work and electrode cable sizes are as follows:

TABLE A.1

Current (60% Duty Cycle)

Minimum Copper

Work Cable Size

200A

300A

400A

Up To 30m Length

30 mm2

50 mm2

70 mm2

Note: The recommended cable size may need to change

depending on its quality. When the rated current flow

goes through, the total voltage drop on the ground cable

and electrode cable must not exceed 4 volts.

WARNING

CAUTION

WARNING

B-1 OPERATION B-1

Rev. 05

OPTIMARC®AC/DC 350-TP

GRAPHIC SYMBOLS THAT APPEAR ON THIS MACHINE OR IN THIS MANUAL

MMA

HIGH FREQUENCY

TIG

TOUGH START TIG

SPOT TIG

AC-SQUARE WAVE

AC-SINE WAVE

AC-TRIANGLE

WAVE

2-STEP

2-STEP REPEAT

4-STEP

4-STEP REPEAT

PULSE OFF

PULSE

LOW FREQUENCY

PULSE

HIGH FREQUENCY

SETTING

MEMORY

SAVE PROCEDURE

RECALL

PROCEDURE

FACTORY SETTING

B-2 OPERATION B-2

Rev. 05

OPTIMARC®AC/DC 350-TP

WATER-COOLING

MMA WELDING

SWITCH

REMOTE CONTROL

BRIGHTNESS

CONNECTION

NORMAL

CONNECTION

FAULTY

SCREEN LOCKED

WATER-COOLING

PROTECTION

OUTPUT IGBT TOP

TUBE PROTECTION

OUTPUT IGBT

DOWN TUBE

PROTECTION

OVER/LOW

VOLTAGE

PROTECTION

OVER CURRENT

PROTECTION

THERMAL

PROTECTION

RELAY

PROTECTION

MMA-DC

MMA-SQUARE

WAVE

MMA-SINE WAVE

MMA-TRIANGLE

WAVE

TIG-DC

TIG-DC PULSE

TIG-SQUARE WAVE

TIG-SINE WAVE

B-3 OPERATION B-3

Rev. 05

OPTIMARC®AC/DC 350-TP

TIG-TRIANGLE

WAVE

TIG-SPOT

ARC FORCE

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