iWeld MIG 200 IGBT Manual de usuario
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
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EN
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 qualied.
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.
12
INDEX
AN INTRODUCTION TO DC WELDERS 16.
INSTALLATION 18.
OPERATION 19.
CAUTIONS 20.
MAINTENANCE 21.
BREAKDOWN-CHECKING 21.
CIRCUIT DIAGRAM 24.
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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 rectier the working frequency to 50/60HZ DC, and then inverter it to high
frequency with high power factor IGBT (as high as 15KHZ), and rectier 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 efciency 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 ret or change the parts, or the conse-
quent trouble is on you, and our company bears no duty over it.
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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-
26
MMA:20-29, MIG:15-
28
MMA:20-29 MIG:15-
29
MMA:20-29 MIG:15-
30
Duty Cycle (%) 60 60 60 60
Efciency (%) 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
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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
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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 specic 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
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3. Operation Instructions
HU
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
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HU
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 efcacy 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.
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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 specied 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.
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Este manual sirve para los siguientes modelos
3
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