Uni-Mig ARC 170DC Manuel utilisateur

INSTRUCTION MANUAL

ARC 170DC

DC TIG & ARC Inverter Welder (240V)

10-170A

W164

Page 1

Instruction Manual for ARC 170DC (W164)

15/12/2014

Machine Model

Description Part Number

ARC - DC/MMA/TIG KUMJR140 / 170

CONTENTS PAGE No:

Safety 3

General Description 4

Curcuit Diagram 5

Main Parameter 6

Pre-Cautions 7

Operation 8

Maintenance 10

Trouble Shooting 12

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

reserve the right to change the specifications, or design, without prior notice. *3 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 IEC974. The design and technology adopt

ed in these machines are under paten protection

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.

Although carefully checked,

there may still be some inaccuracies in this manual,

This instruction manual is issued on 4th February 2009.

YEARS Warranty*

Page 2

Instruction Manual for ARC 170DC (W164)

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 ARC 170DC (W164)

15/12/2014

This welding machine is manufactured with advanced inverter technology.

The features of ARC 140/170 series are:

Efﬁciency, energy saving, portability, excellent stable arc characteristics, relatively low

no-load voltage,

compensation of ARC force and LIFT ARC for DC TIG welding.

• Hot Start

• Anti Stick

• Arc Force

• MMA (Stick electrode) (DC+ / DC-)

• DC TIG Welding

• TIG Lift ARC ignition

• Thermal overload protection

• Generator compatible

• Tolerent to variable supply power

Note:

Minimum Motor Generator Power Suggested:-

140 DC - 8KVA

170 DC - 9KVA

GENERAL DESCRIPTION & SAFEGUARDS

Page 4

Instruction Manual for ARC 170DC (W164)

15/12/2014

CIRCUIT DIAGRAM

Page 5

Instruction Manual for ARC 170DC (W164)

15/12/2014

Machine Model

Description Part Number

Plasma Cut 40 KUMJR140 KUMJR170

MAIN PARAMETER

Tecnical Speciﬁcation

Part Number KUMJR140

Rated Input Voltage voltage 240 1 Phase

Rated Input Power (KVA) 6.2

Ieff (AMPS) 14.2A

Rated Output 140A/25.6V

Welding Current Range 10~140A

No-Load Voltage (V) 80

Duty Cycle 40°C 30%@140Amps MMA

100%@77Amps MMA

30%@140Amps TIG DC

100%@100Amps TIG DC

Power Factor 0.70

Protection Class IP21S

Insulation Class F

Weight (Kgs) 4.9 Kgs

DIMENSIONS (mm) 290 x 115 x 200

KUMJR170

240V 1Phase

7.7

15A

170A/26.8V

10~170A

25%@170Amps MMA

100%@85Amps MMA

35%@170Amps TIG DC

100%@100Amps TIG DC

0.70

IP21S

5.2

320 x 120 x 210mm

Page 6

Instruction Manual for ARC 170DC (W164)

15/12/2014

PRE-CAUTIONS

1. Working Environment.

1.1 The environment in which this welding equipment is installed must be free of

grinding dust, corrosive chemicals, ﬂammable gas or materials etc, and at no more

than maximum of 80% humidity.

1.2 When using the machine outdoors protect the machine from direct sun light, rain

water and snow etc; the temperature of working environment should be maintained

within -10°C to +40°C.

1.3 Keep this equipment 30cm distant from the wall.

1.4 Ensure the working environment is well ventilated.

2. Safety Tips.

2.1 Ventilation

This equipment is small-sized, compact in structure, and of excellent performance

in amperage output. The fan is used to dissipate heat generated by this equipment

during the welding operation.

Important:

Maintain good ventilation of the louvers of this equipment. The minimum distance

between this equipment and any other objects in or near the working area should

be 30 cm. Good ventilation is of critical importance for the normal performance and

service life of this equipment.

2.2 Thermal Overload protection.

Should the machine be used to an excessive level, or in high temperature

environment, poorly ventilated area or if the fan malfunctions the Thermal Overload

Switch will be activated and the machine will cease to operate. Under this

circumstance, leave the machine switched on to keep the built-in fan working to

bring down the temperature inside the equipment. The machine will be ready for

use again when the internal temperature reaches safe level.

2.3 Over-Voltage Supply

Regarding the power supply voltage range of the machine, please refer to “Main

parameter” table. This equipment is of automatic voltage compensation, which

enables the maintaining of the voltage range within the given range. In case that

the voltage of input power supply exceeds the stipulated value, it is possible to

cause damage to the components of this equipment. Please ensure your primary

power supply is correct.

2.4 Do not come into contact with the output terminals while the machine is in

operation. An electric shock may possibly occur.

Page 7

Instruction Manual for ARC 170DC (W164)

15/12/2014

OPERATION(140DC Shown)

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, IMAX and IEFF.

2. 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.

Page 8

Instruction Manual for ARC 170DC (W164)

15/12/2014

OPERATION

For DC TIG welding the TIG torch should be connected to the negative socket, and the

workpeice should be connected to the positive socket.

Please note that the use of welding leads over 5 metres in length will require increasing

the diameter of welding cable used in order to maintain and improve the performance of

voltage output.

3. Power Supply Switch

When the power supply switch is on, the built-in fan works and current is supplied to

the output sockets.

4. Welding Current Output Setting

According to practical demand, set the parameters of current output by the

operation of “welding current knob”.

Generally, the required output of welding current output listed as following:

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

5. Selection Switch MMA/TIG

Select MMA or TIG welding with lift arc ignition

6. Thermal Overload Pilot Lamp

If the pilot lamp is on, it indicates that the thermal overload protection has operated,

which possibly is the consequence of duty cycle over-loading. This welding machine

automatically restarts when the temperature inside the machine drops to required

temperature. When the pilot light turns off welding can recommence.

Operatable duty cycle

This welding machine should be operated according to the data plate located on the

base of the machine. A sudden halt in welding may indicate that the thermal overload

has operated. If this should occur and the thermal overload pilot light is on,

The machine should not be turned off as the built-in fan will work to bring down the

temperature inside the welding machine.

Page 9

Instruction Manual for ARC 170DC (W164)

15/12/2014

MAINTENANCE

TROUBLESHOOTING

Caution:

Only qualiﬁed technicians are authorized to undertake the repair of this welding equip-

ment. For your safety and to avoid Electrical Shock, please observe all safety notes

and precautions detailed in this manual.

WARRANTY

• 3 Years from date of purchase.

• Welding Guns of Australia Pty Ltd warranties all goods as specified by the

manufacturer of those goods. This Warranty does not cover freight or goods that have

been interfered with. All goods in question must be repaired by an authorised repair agent

as appointed by this company. Warranty does not cover abuse, mis-use, accident, theft,

general wear and tear. New product will not be supplied until

Welding Guns of Australia Pty Ltd has inspected product returned for warranty

and agree’s to replace product. Product will only be replaced if repair is impossible.

If in doubt please ring.

WARNING:

Exposure to extremely dusty, damp, or corrosive air is damaging to the welding

machine. In order to prevent any possible failure or fault of this welding

equipment, clean the dust at regular intervals with clean and dry compressed air

of required pressure.

Please note that: lack of maintenance can result in the cancellation of the

guarantee; the guarantee of this welding equipment will be void if the machine

has been modiﬁed, attempt to take apart the machine or open the factory-made

sealing of the machine without the consent of an authorized representative of the

manufacturer.

Page 10

Instruction Manual for ARC 170DC (W164)

15/12/2014

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