Uni-Mig W253B Bedienungsanleitung

INSTRUCTION MANUAL

MIG-TIG-MMA -500SWF INVERTER

Multi-Function Welder (415V)

50-500A

W253B

Page 1

Instruction Manual for MIG-TIG-MMA-500SWF (L591)

16/12/2014

Machine Model

Description Part Number

MIG/MMA/ SWF Inverter KUMJR200/350/500SWF

CONTENTS PAGE No:

Safety 3

General Description 4

Curcuit Diagram 5

Main Parameter 6

Panel Instructions 7

Operation 9

Maintenance 15

TroubleShooting 15

UNIMIG pursue a policy of continuous research and development, and therefore

reserve the right to change the specifications, or design, without prior notice. *2 year warranty power source.

DECLARATION OF CONFORMITY

Hereby we declare that these machines are produced based on relative

Chinese and international standards and they conform to the international

safety standard IEC60974-1. The design and technology adopted in these

machines are under patent protection.

Please read and understand this manual carefully before the installation and

operation of these machines.

1. The contents of this manual may be revised without prior notice and

without obligation.

2. Although carefully checked, there may still be some inaccuracies in this

manual. Please consult us if any.

3. This manual is issued in Sep 2009.

YEARS Warranty*

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Instruction Manual for MIG-TIG-MMA-500SWF (L591)

16/12/2014

•Do not switch the function modes while the machine is operating.

Switching of the function modes during welding can damage the machine.

Damage caused in this manner will not be covered under warranty.

•Disconnect the electrode-holder cable from the machine before switching on the

machine, to avoid arcing should the electrode be in contact with the work piece.

•A safety switch is necessary to prevent the equipment from electric leakage.

•Welding tools and accessories should be of high quality and in good working order.

•Operators should be trained and or qualiﬁed. Electric shock: It can kill.

•Connect the primary input cable according to Australian standard regulation.

•Avoid all contact with live electrical parts of the welding circuit, electrodes and wires with

bare hands. The operator must wear dry welding gloves while he/she performs the

welding task.

•The operator should keep the work piece insulated from

himself/herself. Smoke and gas generated whilst welding

or cutting can be harmful to people’s health.

•Avoid breathing the smoke and gas generated whilst

welding or cutting. Keep the working area well ventilated.

•Arc rays are harmful to people’s eyes and skin. Always

wear a welding helmet and suitable protective

clothing including welding gloves whilst the welding

operation is performed.

•Measures should be taken to protect people in or near

the surrounding working area, from all hazards

associated with welding.

Fire hazard

•The welding sparks may cause ﬁre, therfore remove

ﬂammable material away from the working area.

•Have a ﬁre extinguisher nearby, and have a trained

person ready to use it.

Noise: possibly harmful to people’s hearing.

•Noise is generated while welding/cutting, wear approved

hearing protection when noise levels are high.

Machine fault:

•Consult this instruction manual.

•Contact your local dealer or supplier for further advice.

SAFETY

Welding and cutting equipment can be dangerous to both the operator and people in or near the

surrounding working area, if the equipment is not correctly operated. Equipment must only be

used under the strict and comprehensive observance of all relevant safety regulations. Please

read and understand this instruction manual carefully before the installation and use/operation

of this equipment.



*** CAUTION ***

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

vapours from substance inside. These can cause

an explosion even though the vessel has been

“cleaned”.Vent hollow castings or containers before

heating, cutting or welding. They may explode.

Page 3

Instruction Manual for MIG-TIG-MMA-500SWF (L591)

16/12/2014

• Latest IGBT Inverter Technology

• Mig/Mag Function

• MMA (Stick electrode) (DC+ / DC-) function

• Stepless Voltage & Wire Feed Controls at Wire Feeder

• Variable Inductance & Burn Back Controls

• Adjustable Crater Current Control

• Gas Purge / Inch Wire • 2T/4T Trigger Function

• Separate Wire Feeder with geared 4 roller drive

• LED Volt/AMP Meter Digital Display

• Scratch start DC TIG welding

• 10m Interconnecting Cables

• Trolley with pull out tool storageMIG250/350/500SWF

MACHINE FEATURES

Page 4

Instruction Manual for MIG-TIG-MMA-500SWF (L591)

16/12/2014

CIRCUIT DIAGRAM

Page 5

Instruction Manual for MIG-TIG-MMA-500SWF (L591)

16/12/2014

Part Number

erter KUMJR250/350/500SWF

KUMJR250SWF KUMJR350SWF KUMJR500SWF

240V 1 Phase 415V 1 Phase 415V 1 Phase

20-250 Amps 50-350 Amps 20-500 Amps

10-250 Amps 10-350 Amps 50-500 Amps

35% @ 250A / 100% @ 148A 40% @ 350A / 100% @ 221A

35% @ 240A / 100% @137A 40% @ 350A / 100% @221A

DC 11-29 Volts 16.5-31.5 Volts

0.6 – 1.2mm Ferrous 0.6 – 1.2mm Ferrous 0.6 – 1.2mm Ferrous

0.9 – 1.2mm Aluminium 0.9 – 1.2mm Aluminium 0.9 – 1.2mm Aluminium

0.8 – 1.0mm Stainless Steel 0.8 – 1.2mm Stainless Steel 0.8 – 1.0mm Stainless Steel

0.9 – 1.2mm Flux cored 0.9 – 1.2mm Flux cored 0.9 – 1.2mm Flux cored

1275 x 880 x 475mm 1275 x 880 x 475mm 1275 x 880 x 475mm

72 Kgs minus connecting cable 74 Kgs minus connecting cable 76 Kgs minus connecting cable

torch and earth cable torch and earth cable torch and earth cable

MAIN PARAMETER

Page 6

Instruction Manual for MIG-TIG-MMA-500SWF (L591)

16/12/2014

PANEL INSTRUCTION

Front panel instruction

1. Arc-stopping current

2. Arc-stopping voltage

3. 2T/4T opt switch

4. Gas Purge switch

5. Ammeter

6. Power LED

7. Overheating LED

8. Over-current LED

9. Function switch of MIG welding and arc welding

10. Voltmeter

11. Inductance characteristic adjustment

12. Arc welding current adjustment

13. “+” output terminal “1”

14. “-” output terminal

56 7 8910

13 14

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Instruction Manual for MIG-TIG-MMA-500SWF (L591)

16/12/2014

Back panel instruction

15. Burnback time control knob

16. Wire buckle

17. Nameplate

18. Power switch

19. Socket of wire feeder

20. “+” output terminal “2”

21. Fan

16 17 1815

2021

Page 8

Instruction Manual for MIG-TIG-MMA-500SWF (L591)

16/12/2014

INSTALLATION & OPERATION

Note:

• Please install the machine strictly according to the following steps.

• Before connecting machine to main supply, ensure mains supply is switched off.

After machine has been connected to mains supply, mains supply and

machine can be switched on.

• The protection class of this machine is IP21S, therefore avoid using it in rain.

Input cable connection - 250SWF

A. Connect the machine to 240V 1 Phase, ensure that the machine is ﬁtted with a plug

that is equal to or larger than the Ieff.

B. The input cable should be connected well with the corresponding power supply

connection plug or socket, to avoid oxidation.

Input cable connection - 350SWF-500SWF

A. Connect the machine to 415V 3 Phase, ensure that the machine is ﬁtted with a plug

that is equal to or larger than the Ieff.

B. The input cable should be connected well with the corresponding power supply

connection plug or socket, to avoid oxidation

MMA welding installation

A. Every welding machine matches two plugs. Insert the plug into the socket at the

bottom of the front panel, and tighten it, ensure contact good. Otherwise if the

working time is long and the working current is big, it will burn the pin and socket.

Please treat it seriously.

B. Insert the welding clamp cable into the “+” socket at the bottom of the front panel,

workpiece connect with the“-”.

C. It should be pay attention to the wire’s polarity. Generally, DC welding machines

have two connection methods: positive connection and negative connection.

Positive connection: insert the welding clamp into the “-” and the workpiece into

the “+”; Negative connection: insert the workpiece into the “-” and the welding clamp

into the “+”. Choose which connection method when welding should according to

workpiece metal and craft requirements. If select inappropriately, the electric arc will

not stable, also have some spatter, stick the welding rod and so on. In this case,

you can replace the plug conveniently to change the polarity.

Page 9

Instruction Manual for MIG-TIG-MMA-500SWF (L591)

16/12/2014

Operation method

A. After installing the machine according to the above steps, turn the power switch on

the back panel to the “on” position, and the machine will start. The power supply LED

lights, the fan begins to turn.

B. Select the arc welding through the function switch at the bottom of front panel.

Adjust according to the thickness of workpiece, adjust the “welding current adjustment

knob”, let the welding performance reach the requirements.

C. In general terms adjust the welding current as below.

Φ2.5mm :70-100A / Φ3.2mm : 110-160A /Φ4.0mm : 170-220A / Φ5.0mm : 230-280A

MIG installation

1) A primary power supply cable is available for this welding machine. Connect the

power supply cable to the rated input power. (Ground connection is needed for

safety purpose.)

2) Insert the quick plug on the wire feeder into the “+” socket on the front panel of the

welding machine, and tighten it clockwise.

3) Insert the cable plug with work clamp into the “-” socket on the front panel of the

welding machine, and tighten it clockwise.

4) Install the welding torch and Install the wire spool on the spindle shaft, ensuring

that the groove size in the feeding position on the drive roll matches the contact tip

size of the welding torch and the wire size being used. Insert the aviation plug of

the wire feeder into the aviation socket on the front panel of the machine, and press

the wire inching button to thread the wire out of the torch head.

5) Connect the wire feeder to the ﬂow regulator on the cylinder with the gas hose.

refer to regulator instruction manual.



Sketch map of installation

Page 10

Instruction Manual for MIG-TIG-MMA-500SWF (L591)

16/12/2014

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