IWeld MIG 200 IGBT Manuel utilisateur

CUTTING EDGE WELDING

USER’S MANUAL

MIG/MMA Dual Function

IGBT Inverter Technology

Compact Welding Power Source

MIG 200 IGBT

MIG 250 IGBT

MIG 250 IGBT Single Phase

MIG 315 IGBT

WARNING!

Welding and cutting is dangerous to the operator, people in or near the working area,

and the surrounding, if the equipment is not correctly operated. Therefore, the perfor-

mance of welding/cutting must only be under the strict and comprehensive obser-

vance of all relevant safety regulations. Please read and understand this instruction

manual carefully before the installation and operation.

• The switching of function modes is possibly damaging to

the equipment, while the welding operation is performed.

• Do disconnect the electrode-holder cable with the

equipment, after the performance of welding.

• A safety switch is necessary to prevent the equipment

from electric-leakage.

• Welding tools should be of high quality.

• Operators should be qualied.

ELECTRIC SHOCK: It may be fatal

• Connect the earth cable according to standard reg-

ulation.

• Avoid all contact with live components of the welding

circuit, electrodes and wires with bare hands. It is nec-

essary for the operator to wear dry welding gloves while

he performs the welding task.

• The operator should keep the working piece insulat-

ing from himself/herself.

Smoke and Gas generated while welding or cutting:

harmful to people’s health.

• Avoid of breathing the smoke and gas of welding or

cutting.

• Keep the working area in good ventilation

Arc light-emission: harmful to people’s eyes and skin

• Wear the welding helmet, anti-radiation glass and

work clothes while the welding operation is performed.

• Measures also should be taken to protect people in or

near the working area.

FIRE HAZARD

• The welding splash may cause fire, thus remove flam-

mable material away from the working place.

• Have a re extinguisher nearby, and have a ted re

person ready to use it.

Noise: Possibly harmful to peoples’ hearing.

• Surface noise is generated while welding/cutting, the

hearing aids is necessary in some cases.

Machine Fault:

• Consult this instruction manual.

• Contact your local dealer or supplier for further advice.

INDEX

AN INTRODUCTION TO DC WELDERS 16.

INSTALLATION 18.

OPERATION 19.

CAUTIONS 20.

MAINTENANCE 21.

BREAKDOWN-CHECKING 21.

CIRCUIT DIAGRAM 24.

Introduction

First of all, thank you for using our welders!

Our welders are made with advanced inverter technology. The inverter power sup-

ply is to rst rectier the working frequency to 50/60HZ DC, and then inverter it to high

frequency with high power factor IGBT (as high as 15KHZ), and rectier again, and

then use PWM to output DC power of high power factor, thus greatly reducing the

weight and volume of the mains transformer and the efciency is raised by 30%.The

arc-leading system employs the principle of HF vibration. The main features are: stable,

rm, portable, energy-saving and noiseless. The coming out of the inverter welders is

considered as a revolution in the welding industry.

The features of MMA serial is: perfect functions and satisfying all kinds of welding need,

esp. places requiring welding of high quality, e.g. pipes, boiler, vacuum compressing

Container, etc.

Welcome friends of all works to use our products and give us your suggestion, we’ll

contribute all to making our products and service better.

1. Maintenance for main engine is one year, excluding other spare parts.

2. During the maintenance period, all maintenance is fór free except intentional damage.

3. Customers are not allowed to unfold and ret or change the parts, or the conse-

quent trouble is on you, and our company bears no duty over it.

The main parameter

MIG 200 IGBT MIG 250 IGBTS MIG 250 IGBT MIG 315I GBT

Input Power Voltage, Freq.

(V, Hz) 220±10%V, 50/60Hz 220±10%V, 50/60Hz 3x400±10%V 50/60Hz 3x400±10%V 50/60Hz

Rated Input Power

Capacity (kVA) MMA: 6,1 MIG: 6,6 MMA: 8,0, MIG: 9,2 MMA:8,0 MIG: 9,2 MMA:8,8 MIG: 9,9

Rated Input Current (A) MMA: 12, MIG: 14 MMA: 18, MIG: 22 MMA:12 MIG:14 MMA:18 MIG:22

Output Current Range (A) MMA:10-180,

MIG:50-200

MMA:10-220,

MIG:50-250

MMA:10-220 MIG:50-

250

MMA:10-270 MIG:50-

300

Rated Output Voltage (V) MMA:20-27, MIG:15-

MMA:20-29, MIG:15-

MMA:20-29 MIG:15-

Duty Cycle (%) 60 60 60 60

Efciency (%) 85 85 85 85

Power Factor (Cosφ) 0,93 0,93 0.93 0.93

Weight (kg) 48 49 50 51

Size (mm) 1050x500x750 1050x500x750 1050X500X750 1050X500X750

Insulation Class F F F F

Protection Class IP21S IP21S IP21S IP21S

Cooling AF AF AF AF

Mains Fuse (A) 16 25 3x16 3x25

Number of Wire Feeder

rolls 4 4 4 4

Diameter of Coil (mm) 270 270 270 270

Welding Wire (mm) 0.8-1.0 0.8-1.0 0.8-1.0 0.8-1.2

Order No. 800MIG200IGBT 800MIG250IGBTS 800MIG250IGBT 800MIG315IGBT

2. Installation

2-1. Connection of the power wires

1. Each machine is equipped with primary powerwire, according tothe input voltage,

please connect the primary wire to the suitable voltage class.

2. The primary wire should be connected to the corresponding socket to avoid oxidization.

3. Use multimeter to see whetherthe voltage value varies in the given range.

2-2. Connection of output wires

1. All machine has two air sockets, connect the plug to the socket on the panel board,

and tighten it and make sure that it’s well-connected, or it may cause the damage of

both the plug and socket.

2. The electrode holder wire is connected to the negative terminal, while the work

piece is connected to the positive terminal; connect one terminal of the earth clamp

to the red air plug, and tighten it with hexagon spanner to make the secondary wire

well connected to the air plug, or the air plug may get burned.

3. Pay attention to the electrode of the wire. Generally, there are two ways of the DC

welder connection: positive connection and negative connection. Positive: electrode

holder to ,while work piece to “ + ” ; Negative: work piece to, while electrode holder

to “+” ; Choose the way according to the practical requirements, and wrong choose

may cause unstable arc and big splash, etc. Under this circumstance, renew the air

plug rapidly in order to change the poles.

4. If the work piece is too far away from the machine (50-100m), and the secondary

wire is too long, the section of the cable should be bigger to reduce the lower of the

cable voltage.

5. You can nd a MIG central connector to connect your MIG torch. Disconnect the

electrode holder when weding in MIG mode.

Front panel

Central con-

nector

Earth clamp (-)

Electrode holder

clamp (+)

Cylinder xing

Input cable 240V

Gas input

Cooler

2-4. Checking

1. Whether the machine is connected to standard to earth.

2. Whether all the connections are well-connected. (esp. that between the earth

clamp and the work piece)

3. Whether the output of the electrode holder and earth cable is short-circuited.

4. Whether the pole of the output is correct.

5. The welding splash may cause re, so make sure there is no ammable materials

nearby.

2-3 Connect the wire feeder

1. The long axis of the wire feeder lock the wire roller that specic wire. Make sure that

the wire roller is suitable for the wire used!

2. Wire should roll down clock wise, then cut the line, off-stage, it is only after pinning it

on!

3. Tighten the hold-down screws on the wire, put the wire into the wire feed guide

wheel and thread the wire to the welding torch.

4. Press the button on the wire feeder to the welding torch into the wire.

Power indicator Protection indica-

tor

MIG/MMA function

switch Welding current Welding voltage Wire speed Electronic

Choke control

Voltage meter

Current meter Power switch

Operation mode

switch

Wire feeder

button

3. Operation Instructions

3-1. Operation Steps

1. Open the gas cylinder valve and adjust the ow meter to the desired position.

2. Welding Torch Nozzle sizes, choose the diameter of the wire under.

3. Set the current and voltage values of the workpiece thickness and material prop-

erly.

4. Induction controller button to adjust the desired position.

5. Press the torch button and start welding.

3-2. Welding current adjustment

1. Welding current and voltage directly affects the stability, quality and productivity

of the welding process, pay attention to the choice of professional values .

2. Setting welding parameters based on other aspects of the wire diameter, pen-

etration and production takes place.

Following information should be subject to the selection of the welding current, de-

pending on the type of work:

Welding current and voltage band of continuous and batch operations

Wire ø (mm)

Continuous Intermittent operation

Current (A) Tunction (v) Current (A) Tunction (v)

0,6 40~70 17~19 160~400 25~38

0,8 60~100 18~19 200~500 26~40

1,0 80~120 18~21 200~600 27~40

1,2 100~150 19~23 300~700 28~42

1,6 140~200 20~24 500~800 32~44

3-3. Choose a welding speed

1. Select welding speed affects the quality and productivity of welding.

2. When increasing welding speed, weakening the effectiveness of the shielding gas

and the temperature falls, so the weld is not optimal training. If the speed is too

low, the workpiece may be damaged suture training is not ideal. In practice, the

welding speed should not exceed the 30m/ht.

3-4. Set the length of wire overhang

1. Long wire proper nozzle need to stretch out. If that is the length of a woman, in-

crease productivity, but if it is too long, increases the spatter.

2. Usually this length is ten times the diameter of the welding wire must be.

3-5. Adjusting the ow rate of CO2

The primary efcacy criterion of protection. The small slope of welding protection,

better performance than large slope.

Primary parameters:

Welding mode Thin wired CO2 weld-

ing

Thick wired CO2 weld-

ing

Thick wired power CO2

welding

CO2 (l/min) 5~15 15~25 25~50

4. Precautions

4-1. Workspace

1. welding equipment free of dust, corrosive gas, non-ammable materials, up to 90%

humidity for use!

2. Avoid welding outdoors unless protected from direct sunlight, rain, snow, work area

temperature must be between -10 ° C and +40 °.

3. Wall to position the device at least 30 inches away.

4. well-ventilated area to perform welding.

4-2 . Safety requirements

Welding provides protection against overvoltage / overcurrent / overheating. If any

of the above events occurs, the machine stops automatically. However, over-

stress damage to the machine , keep the following guidelines :

1. Ventilation . When welding a strong current going through the machine , so the

machine is not enough natural ventilation for cooling . The need to ensure ad-

equate cooling, so the distance between the plane and any object around it at

least 30 cm . Good ventilation is important to normal function and service life of the

machine.

2. Continuously , the welding current does not exceed the maximum allowable value.

Current overload may shorten its life or damage to the machine .

3. Surge banned ! Observance of feszültségsáv follow the main parameter table .

Welding machine automatically compensates for voltage , allowing the voltage

within permissible limits of law. If input voltages exceed the specied value , dam-

aged parts of the machine .

4. The machine must be grounded! If you are operating in a standard, grounded AC

pipeline in the event of grounding is provided automatically . If you have a gen-

erator or foreign , unfamiliar , non-grounded power supply using the machine , the

machine is required for grounding connection point földelésvezetékhez to protect

against electric shock .

5. Suddenly stopping may be during welding when an overload occurs or the ma-

chine overheats . In this case, do not restart the computer , do not try to work with

it right away, but do not turn off the power switch , so you can leave in accord-

ance with the built-in fan to cool the welding machines .

5. Maintenance

1. Remove power unit before maintenance or repair!

2. Ensure that proper grounding!

3. Make sure that the internal gas and electricity connections are perfect and

tighten, adjust if necessary, if there is oxidation, remove it with sandpaper and then

reconnect the cable.

4. Hands, hair, loose clothing should be kept away under electric parts, such as wires,

fan.

5. Regularly dust from the machine clean, dry compressed air, a lot of smoke and pol-

luted air to clean the machine every day!

6. The gas pressure is correct not to damage components of the machine.

7. If water would be, for example. rain, dry it in the machine and check the insulation

properly! Only if everything is all right, go after the welding!

8 When not in use for a long time, in the original packaging in a dry place.

Ce manuel convient aux modèles suivants

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