Uni-Mig KUMJR165 Bedienungsanleitung

INSTRUCTION MANUAL

MIG-TIG-MMA 250 INVERTER

Multi-Function Welder (240V)

30-250A

W179

Page 1

Instruction Manual for MIG-TIG-MMA 250 (W179)

15/12/2014

Machine Model

Description Part Number

MIG/MM/TIG Inverter KUMJR165 / 190 / 220 / 250

CONTENTS PAGE No:

Safety 3

Machine Features 4

Circuit Diagram 5

Panel Structure 7

Main Parameter. 8

Installation & Operation 10

Caution 13

. Maintenance 14

Troubleshooting 14

Machine Model

This welding equipment for industrial and professional use

conforms to IEC 60974 International Safety Standard.

We hereby state that we provide one year of guarantee for this

welding Power Source from the date of purchase.

Refer to Unimig for further details.

Please read and understand this instruction manual carefully before

the installation and operation of this equipment.

The contents of this manual may be revised without prior notice

and without obligation.

This instruction manual is issued on 1st April 2008.

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.

YEARS Warranty*

Page 2

Instruction Manual for MIG-TIG-MMA 250 (W179)

15/12/2014

•

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 250 (W179)

15/12/2014

• Latest IGBT inverter technology

• MIG/MAG with gasless wire function

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

• Industrial application

• High strength metal case construction

• Internal gear drive wire feeder for 5Kg & 15kg spool

• Euro style MIG torch connection

• IP21S rating for environmental / safety protection

• Stepless voltage and wire feed control

• Scratch start DC TIG welding

• Excellent arc stability for MIG / MMA / TIG welding

• Light weight and portable

• Wire inch and burn back functions

MACHINE FEATURES

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Instruction Manual for MIG-TIG-MMA 250 (W179)

15/12/2014

CIRCUIT DIAGRAM

Page 5

Instruction Manual for MIG-TIG-MMA 250 (W179)

15/12/2014

Machine Model

Description Part Number

MIG/MMA/TIG Inverter KUMJR165 KUMJR190

Tecnical Speciﬁcation

PRIMARY INPUT VOLTAGE 240V 1 Phase 240V 1 Phase

WELDING CURRENT MIG 30-160Amps 30-190 Amps

WELDING CURRENT MMA 10-140 Amps 10-160 Amps

duty cycle 40°C

MIG welding 35% @ 160A / 100% @ 95A 35% @ 175A / 100% @ 103A

MMA welding 35% @ 140A / 100% @ 83A 35% @ 160A / 100% @ 95A

WELDING VOLTAGE RANGE DC 15.5-22 Volts 15.5-23 Volts

WIRE SIZE (mm) 0.6 – 0.8mm Ferrous 0.6 – 0.9mm Ferrous

0.9 – 1.0mm Aluminium 0.9 – 1.0mm Aluminium

0.6 – 0.8mm Stainless Steel 0.6 – 0.9mm Stainless Steel

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

DIMENSIONS (mm) 480 × 230 ×360mm 480 × 230 × 360mm

WEIGHT (Kgs) 17 Kgs 19 Kgs

MAIN PARAMETER 165/190

Page 6

Instruction Manual for MIG-TIG-MMA 250 (W179)

15/12/2014

Machine Model

Description Part Number

MIG/MMA/TIG Inverter KUMJR220 KUMJR250

Tecnical Speciﬁcation

PRIMARY INPUT VOLTAGE 240V 1 Phase 240V 1 Phase

WELDING CURRENT MIG 30-220 Amps 30-250 Amps

WELDING CURRENT MMA 10-200 Amps 10-250 Amps

DUTY CYCLE 40°C

MIG WELDING 40% @ 220A / 100% @ 139A 35% @ 250A / 100% @ 148A

MMA WELDING 40% @ 200A / 100% @125A 35% @ 224A / 100% @ 137A

WELDING VOLTAGE RANGE DC 15.5-25 Volts 15.5-26.5 Volts

WIRE SIZE (mm) 0.6 – 1.2mm Ferrous 0.6 – 1.2mm Ferrous

0.9 – 1.2mm Aluminium 0.9 – 1.2mm Aluminium

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

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

DIMENSIONS (mm) 580 × 230 × 450mm 580 × 230 × 450mm

WEIGHT (Kgs) 23 Kgs 24 Kgs

MAIN PARAMETER 220/250

Page 7

Instruction Manual for MIG-TIG-MMA 250 (W179)

15/12/2014

INSTALLATION & OPERATION

Note: ·Please install the machine strictly according to the following steps.

·The protection class of this machine is IP21S, so avoid using it in rain.

1. Connection of Input Cables

Primary input cable is supplied with this welding equipment. Connect the primary input

cable with power supply of required input voltage. Refer to data plate on machine for

Input voltage, Maximum Input Current (IMAX) and Effective input Current (IEFF).

Installation of MMA welding

1.Turn the power source on and select stick function through Stick/MIG selector

(See Panel Structure Diagram Number 7)

2. Set the welding current in relation to the electrode to be welded.

(See Panel Structure Diagram Number 4)

Generally, the required welding current is listed as follows:

Ф2.5mm: 70-100A; Ф3.2mm: 110-160A; Ф4.0mm: 170-220A;

3. Connection of Output Cables

Two sockets are available on this welding machine. For MMA welding the electrode

holder should generally be connected to the positive socket, while the work piece

should be connected to the negative socket. However the polarity can be reversed and

careful attention should be paid to the polarity recommended by the electrode

manufacturer. (See Panel Structure Diagram Number 8&9.)

Installation sketch map

WARNING!

Disconnect the fast plug on the

wire feeder from the output socket’s

“GAS” “NO-GAS” on the clapboard.

(See Panel Structure Diagram Number 15&16.)

If cable is not disconnected welding

voltage is present at the MIG torch and can

cause arcing or ﬂash.

Page 8

Instruction Manual for MIG-TIG-MMA 250 (W179)

15/12/2014

INSTALLATION & OPERATION

Installation of gas shielded arc welding

(1) Turn the power source on and select the MIG function through the STICK/MIG

selector. (See Panel Structure Diagram Number 7)

(2) Plug the welding torch into the output socket “10” on the front panel, (See Panel

Structure Diagram Number 10) and tighten it.

(3) Insert the earth cable plug into the negative socket “8” on the Panel Structure

Diagram, and tighten it clockwise.

(4) Insert the fast plug on the wire feeder into the output socket “GAS” on the

clapboard, and tighten it clockwise. (See Clapboard Structure Diagram Number 15)

(5) Remove the right side cover of the unit and push the wire spool onto the spindle.

Make free the end of the wire and cut it smoothly. Unlock the pressure arm and align the

wire into the groove of the drive roll putting a short part of the wire into the torch recep-

tacle. Check that the drive roll and contact tip in MIG torch being used complies with the

wire diameter, replace if necessary. Lock the pressure arm and check that the bearing

roll presses the wire exactly into the groove.

(6) Press selector switch on for “wire inching” (See Panel Structure Diagram Number 3)

Press and hold until wire is visible at end of torch.

(7) Tightly connect the gas hose, which comes from the back of the machine to the

brass nipple of supplied regulator, adjust argon regulator to deliver the required litres

per minute.

NOTE. reffer to instruction manual of argon regulator for proper use.

(8) Adjust the welding voltage adjustment knob and wire feeding speed adjustment

knob according to practical needs to get the desired welding voltage and welding

current. (See Panel Structure Diagram Number 5&6)

(9) Press the welding torch switch, and welding can be carried out.

(10) Adjust the burnback time potentiometer on the clapboard to get the desired length

of welding wire stretching into the contact tip after welding.

(See Clapboard Structure Diagram Number 14)

Installation sketch map

WARNING!

Disconnect the Electrode Holder cable

from the machine before using MIG

function. If cable is not disconnected

welding voltage is present and can cause

arcing or ﬂash.

Page 9

Instruction Manual for MIG-TIG-MMA 250 (W179)

15/12/2014

INSTALLATION & OPERATION

Installation of self shielded arc welding (No Gas)

(1) Turn the power source on and select the MIG function through the STICK/MIG

selector. (See Panel Structure Diagram Number 7)

(2) Plug the welding torch into the output socket “10” on the front panel, (See Panel

Structure Diagram Number 10) and tighten it.

(3) Insert the earth cable plug into the positive socket “9” on the Panel Structure

Diagram, and tighten it clockwise.

(4) Insert the fast plug on the wire feeder into the output socket “NO GAS” on the

clapboard, and tighten it clockwise. (See Clapboard Structure Diagram Number 16)

(5) Remove the right side cover of the unit and push the wire spool onto the spindle.

Make free the end of the wire and cut it smoothly. Unlock the pressure arm and align

the wire into the groove of the drive roll putting a short part of the wire into the torch

receptacle. Check that the drive roll and contact tip being used complies with the wire

diameter, replace if necessary. Lock the pressure arm and check that the bearing roll

presses the wire exactly into the groove.

(5a) Please note that a knurled drive roller sholud be ﬁtted when using self shielded

wire.

(6) Press selector switch on for “wire inching” (See Panel Structure Diagram Number 3)

Press and hold until wire is visible at end of torch.

(7) Adjust the welding voltage adjustment knob and wire feeding speed adjustment

knob according to practical needs to get the desired welding voltage and welding

current. (See Panel Structure Diagram Number 5&6)

(8) Press the welding torch switch, and welding can be carried out.

(9) Adjust the burnback time potentiometer on the clapboard to get the desired length of

welding wire stretching into the contact tip after welding.

(See Clapboard Structure Diagram Number 14)

Installation sketch map

WARNING!

Disconnect the Electrode Holder cable

from the machine before using MIG

function. If cable is not disconnected

welding voltage is present and can cause

arcing or ﬂash.

Page 10

Instruction Manual for MIG-TIG-MMA 250 (W179)

15/12/2014

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