USER MANUAL
V2.5 08/16/26
WELDING RECTIFIER Inverter
MMA 200
WARNING!
Before installing and commissioning, please read these instructions
1. GENERAL
Commissioning and operation of the device can be made only after a careful reading of this handbook.
Due to the continuous development of technical equipment, some of its functions can be modified and operation may differ in detail from the
description in the manual. This is not a device error, but the result of continuous progress and modification work unit.
Damage from improper handling results in a loss of warranty. Any alteration of the rectifier are prohibited and void the warranty.
2. SAFETY
Staff operating the device should have the necessary qualifications entitling them to carry out welding work:
• They should have the competence in the field of electric welder MMA welding.
• know the rules of safety during the operation of the power they are welding equipment and auxiliary equipment powered by electricity,
• know the contents of this manual and use the device for its intended purpose.
WARNING
Welding may endanger the safety of the operator and other persons in the vicinity. Therefore, when welding special precautions must be
taken. Prior to welding, refer to the applicable health and safety regulations in the workplace. During electric welding MMA and TIG has the
following hazards:
• ELECTRIC SHOCK
• ARC NEGATIVE IMPACT ON HUMAN EYES AND SKIN
• PAIRS AND GAS POISONING
• BURNS
• EXPLOSION AND FIRE HAZARDS
• NOISE
Prevention of electric shock:
• a device connected to a technically efficient electrical system in a proper security and effectiveness of neutral (additional fire protection);
Check and properly connect to the network and other devices in the workplace welder,
• current leads off with the mounted unit,
• It does not simultaneously touch the non-insulated part of the electrode holder, the electrode and the workpiece in the device housing,
• Do not use the handles and load wires with damaged insulation,
• under special hazard of electric shock (work in environments with high humidity and closed tanks) to work with the helper supporting the work of
the welder and watchful over the safety, use gloves and clothing with good insulation properties,
• if you notice any irregularities, please contact the competent people to remove them,
• It is forbidden to operate the device with the covers removed.
Preventing negative effects of electric arc on human skin and eyes:
• Use protective clothing (gloves, lab coat, shoes, leather)
• Use protective shields or helmets with properly matched filter,
• Use protective curtains of non-combustible materials, and properly selected colors wall absorbing the harmful radiation.
Poisoning prevention vapors and gases evolved at the time of welding of coatings for welding electrodes and evaporation of metals:
• Use ventilation and exhaust installed in limited air exchange.
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• Blow fresh air when working in a confined space (tanks)
• Use masks and respirators.
Preventing burns:
• Wear suitable protective clothing and footwear to protect from burns from arc radiation and spatter,
• Avoid contamination of clothing lubricants and oils that may lead to its inflammation
Explosion prevention and fire:
• Do not operate the machine and welding in areas at risk of explosion or fire.
• Welding station should be equipped with fire-fighting equipment.
• Welding station should be located a safe distance from flammable materials.
Preventing negative effects of noise:
• Wear earplugs or other protection against noise
• Warn people about the danger nearby
WARNING!
Do not use the power source for thawing frozen pipes.
Before starting the unit:
• Check the condition of electrical and mechanical connections. It is forbidden to use handles and load wires with damaged insulation.
Inadequate insulation handles and cables current danger of electric shock,
• Ensure proper operating conditions, ie. To ensure proper temperature, moisture and ventilation in the workplace. Outdoors closed to protect from
rain,
• Place the charger in a place that allows its easy handling. Persons operating welder should:
• have the power to electric arc welding with coated electrodes (MMA method)
• know and comply with applicable health and safety regulations when performing welding work,
• use proper, specialized protective equipment: gloves, apron, rubber boots, shield or welding helmet with a suitably selected filter.
• know the contents of this manual welder and operated in accordance with its intended purpose. Repair work may only be carried out
after removing the plug from the wall socket.
When the device is connected to the network is not allowed to touch the bare hand or by any wet clothing elements forming the welding current
circuit.
It is forbidden to remove the outer casing when the device is turned on to the network. Any alteration of the rectifier on their own are
prohibited and may constitute a deterioration in security conditions.
All maintenance and repair may only be performed by authorized persons with the conditions applicable to the safety of electrical equipment. Do not
operate the welder in areas at risk of explosion or fire! Welding station should be equipped with fire-fighting equipment. After working the machine power
cord must be disconnected from the network.
The above risks and the general safety rules is not exhaustive safety of the welder, since it does not take into account the specifics of the workplace.
They are an important complement to bench safety instructions and training and briefings given by supervisory staff.
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3. GENERAL DESCRIPTION
MMA welding rectifier 200 is used for manual welding DC structural steel coated electrodes (MMA method). It also enables welding by TIG arc ignition
by friction (after application of the additional bracket). This is the inverter device, manufactured with the most technologically advanced components
made in MOSFET technology. Welder is equipped with automatic functions for easy voltage ignition HOT START and ANTI STICK to protect against
damage to the device. The device also has an optional function VRD buck in a no-load and minimize the risk of electric shock.
4. SPECIFICATIONS
power supply AC 230V 50Hz
Maximum power consumption 9 kVA
Rated welding current / cycle 190 A / 60%
Range of welding current A 30-190
The method of welding current Liquid
Rated voltage of no-load condition 20 V (VRD) / 70 V
Maximum current consumption 39 And
Mass 9 kg
dimensions
370 x 175 x 310 mm
Protection grade IP 21
application class
Duty cycle
Duty cycle is based on a period of 10 minutes. Duty cycle of 60% means that after 6 minutes of operation of the device is required for 4-minute break.
Duty cycle of 100% means that the machine can operate continuously without interruption.
Attention! Heating test was carried out in the ambient air temperature. Duty cycle at 40 ° C was determined by simulation.
Level of security
IP specifies the extent to which the device is resistant to entering of solid impurities and water. IP21 means that the device is suitable for use in
confined spaces and is not suitable for use in the rain and snow.
application class
application class It means that the device is suitable for use in areas with increased danger of electric shock. application class It means that the device is suitable for use in areas with increased danger of electric shock.
VRD function
VRD function reduces the voltage in no-load condition to a safe value, minimizing the risk of electric shock. Striking the arc voltage returns to its
nominal value of enabling arc ignition.
5. CONSTRUCTION AND OPERATION
The basis for the construction of the power conversion electronics welders are made in MOSFET technology for working in the frequency range of 100
kHz.
The principle consists of a single-phase rectified voltage to the power supply voltage, conversion of the resulting DC voltage to a square
wave high frequency voltage transformation in the range required by the welding process and re-erection of the resulting voltage on the DC voltage.
6. CONNECTION TO THE MAINS 6. CONNECTION TO THE MAINS
1. A device to be used only in a single-phase, three-wire, with earthed neutral.
2. Rectifier MMA Inverter 200 is adapted to cooperate with a network of 230V 50 Hz fused 25A by time-delayed action. Power supply should
be stable, with no voltage drops.
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3. The device is equipped with a power cord and a plug. Before connecting, make sure the power switch (3) is in the OFF position (off).
Fig. 1. Scheme of connecting devices
7. FUNCTIONAL DESCRIPTION switches and DIAL
Ready for operation, the device attached to the connector (3). The inclusion of devices is confirmed by lighting of the LED (2). Ready for operation, the device attached to the connector (3). The inclusion of devices is confirmed by lighting of the LED (2).
For storage or transport devices in freezing temperatures before the start of work to bring the device to an appropriate temperature
!!!
Setting the welding current is made knob (4). Recommended values of the welding current depending on the diameter of the electrode for the example
the most commonly used electrodes in the table below. The switch (8) allows you to enable / disable function VRD. Enabling this feature will be
confirmed by lighting of the LED (9). VRD function reduces the rated voltage of no-load condition of 70V to 20V for reasons of safety, however, hinders
the starting performance. Selecting the operating mode to the user. Attention! For safety reasons, it is recommended to use the device enabled VRD.
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OVERHEAT
POWER
VRD
9
2
120
90
150
60
180
thirty 200
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AND
7
4
8
1. Signaling device overheating
2. The LED power
3. The main switch
4. The current control knob
5. Nest "-"
5 6
6. Slot "+"
7. Display
8. Switch VRD / standard
9. LED function VRD
Fig. 2. View of the front panel
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8. protection against overheating
The power source is equipped with a thermal overload protection switch. When the temperature of the welding device is too high, the security
welding current is shut off and the LED will overheat indicator (1). After falling temperature will automatically reset the circuit breaker.
9. WELDING coated electrodes (MMA)
9.1. Preparing for operation
Welding the wire ends to terminals (5) and (6) located on the front panel so that the electrode holder was appropriate for the electrode pole. The
polarity of the welding wire used depends on the type of the electrode and is fed to the packaging electrode terminal of the second duct must be
carefully mounted on the welded material. Plug the device into a power outlet 230V 50Hz.
9.2. Setting the welding parameters
Knob (4) to the desired value of the welding current. Recommended parameters of the welding current to the electrode the most frequently
used species of the following table:
marking
electrodes
The diameter of
the electrode
Values for welding
current [A] Application
[Mm]
ER 142 2 40 - 60 Welding of steel, for example .: St0S, St1S, St2S, St3Sx, and similar St4Sx mostly thin
2.5 60 - 90
sheets
3.25 100 - 150
ER 146 2 40 - 60 Welding steel, e.g. .: St0S, St1S, St2S, St3Sx, St4Sx and the like mainly of sheet metal
2.5 50 - 80
tubular steel grade and R 35
3.25 80 - 130 4
120 - 180 5
160 - 230
ER 346 2 45 - 80 Welding steel, e.g. .: St0S, St1S, St2S, St3Sx, St4Sx and the like mainly of sheet metal
2.5 60 - 110
3.25 100 - 150 4
tubular steel grade R, R 35, R 45, marine steel St41, St41A, St41D, St1KO, St45KO,
boiler steel St41k, St45k, St36P , St36X
150 - 200 5
180 - 250
EB 146 2 50 - 75 St0S steel welding, St1S, St2S, St3SX, St4S, St4SX, ship steel St41, St41A, St41D,
2.5 70 - 100
3.25 100 - 140 4
140 - 190 5
St1KO, St45KO, steel pipe
R, R35, R45, K10, K18, boiler steel St36K, St45K, St36P, St36X, K22H and high
tensile steel grade. 09G2, 18G2, etc. 18G2A.
180 - 250
EA 146 2 40 - 70 St0S steel welding, St1S, St2S, St3SX, St4S, St4SX, ship steel St41, St41A, St41D,
2.5 50 - 100
3.25 90 - 130 4
St1KO, St45KO, steel pipe
R, R35, R45, etc.
140 - 200 5
180 - 240
EZM (-) 2 30 - 60 Cold welding cast iron
2.5 50 - 80
3.25 80 - 120 4
110 - 170 5
150 - 200
Ni EŻFe 3.25 75 - 100 Cold welding cast iron, in some cases nickel
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9.3. initiation arc
Initiation arc welding coated electrode is to touch the electrode to the workpiece, and short rubbed isolation. For initiation of the arc electrode wherein
the sheath forms a non-conductive when solidified slag to be pre-clean the tip of the electrode by repeatedly impact against a hard surface until the
metal in contact with the work piece.
10. TIG welding
MMA welder 200 allows TIG welding using an additional TIG torch. The handle is required gas-cooled current-carrying capacity of 190A, equipped with
a flow control valve for the shielding gas and shielding gas cylinder. Arc ignition takes place by friction, in analogy to the MMA.
11. Before calling service,
In the event of malfunction of the unit, before sending welding for service, check the list of basic failures and try to remove them yourself.
Repair work may only be carried out after removing the plug from the wall socket.
Attention! The device is not sealed, and the user can remove the cover of the welding device in order to remove minor breakdowns.
symptoms Remedy
The power indicator is not lit, the fan does
1. Remove the casing and check the connection of all electrical plug inside the device
not work, no output
2. Make sure the switch is in the ON position
3. Check the security on the network connection and
Power light is on, the fan does not
1. Remove the casing and check the connection of all electrical plug inside the device
work, no output voltage.
2. Check if the device has not been connected to the higher voltage. If so, connect to 230V
3. The supply voltage is unstable and turns on the overvoltage protection. Turn off device for
4. Short switching on and off switch may have been activated overvoltage protection.
Power light is on, the fan is running,
1. Check the correct terminals and the electrical conductivity of the electrode wire
no welder strikes the arc
Power light is on, the fan works, light
1. The device is overheated. Wait a few minutes until the LED goes out and continue welding.
is overheating
Unsatisfactory quality of the weld, the
1. Check the polarity of the welding wire
electrode sticks to the work piece
2. Check that the electrode is not wet. Replace the electrode.
3. The welder is supplied from the generator or by a long extension cord diameter is
and turn again
2-3 minutes and then back
Turn off device for 2-3 minutes and then back
and the mass
too small cable. Connect directly to the mains
12. OPERATION MANUAL
Operation of the device 200 MMA should take place in an atmosphere free of corrosive components and dusty. Do not place the device in dusty,
near the working grinders, etc. Dust and pollution control boards metallic filings, wires and connections inside the unit may cause an electrical
short, and consequently damage to the welding machine.
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Avoid use in environments with high humidity, especially in situations of occurrence of dew on the metal parts.
In the case of dew on the metal parts, eg. The device after the cold into a warm room, wait until it is completely dry and warm the device to room
temperature. Starting in these conditions, cold welding can cause damage. It is recommended that in the event of welding operation outdoor place it
under a roof to protect against adverse weather conditions. MMA device 200 should be operated under the following conditions:
- changes in the effective value of the supply voltage is not greater than 10%
- ambient temperature of from -10 ° C to + 40 ° C
- Atmospheric pressure 860 to 1060 hPa
- relative humidity of the atmosphere is not more than 80%
- height above sea level to 1000m
13. MAINTENANCE INSTRUCTIONS
As part of the everyday operation of the welder must be kept clean, check the connection status and the status of external electrical wires
and cables. Regularly replace consumables.
Periodically clean the inside of the device by purging with compressed air to remove dust and chips from metallic plates, and the control wires and
electrical connections. Not less than once every six months should be a general review of the status and electrical connections, in particular:
- state of shock protection
- the insulation
- the state security
- the operation of the cooling system
14. INSTRUCTION STORAGE AND TRANSPORT
The device should be stored at -10 ° C to + 40 ° C and relative humidity 80% free of corrosive fumes and dusts. Transportation of packaged devices
should be covered means of transport. For transport the packaged unit must be secured against slipping and ensure the correct position.
15. COMPLETE SPECIFICATION
1. Source MMA 200 1 piece.
2. Connect the electrode holder 1 piece.
3. Earth cable with a clamp 1 piece.
4. Manual 1 piece.
5. Packaging 1 piece.
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16. ELECTRIC SCHEME
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17. GUARANTEE
Guarantee granted for a period of 12 months for business entities or consumers for 24 months from the date of sale.
The guarantee will be respected by the advertiser after the presentation of proof of purchase (invoice or receipt) and warranty card inscribed
with the product name, serial number, date of sale and point of sale bearing the stamp.
In the case of warranty repair advertised the device should be sent to the company TECWELD shipping company GLS. Shipments sent at the
expense of TECWELD through other shipping companies will not be accepted !!
The device transmitted to the complaint must be packed in the original carton, and protected by Styrofoam original fittings. TECWELD
company is not liable for damage caused by a welder during transport.
If you wish to discard this product, do not throw it with general household waste. According to the
WEEE Directive (Directive 2002/96 / EC) in force in the European Union for used electrical and
electronic equipment must be used methods of utilization.
In Poland, in accordance with the provisions of the Act of July 1, 2005. Waste electrical and
electronic equipment is prohibited to place together with other wastes of used equipment marked
with crossed out wheeled bin symbol.
The user who wishes to discard this product, it is obliged to return waste electrical and electronic equipment to a used equipment collection
point. Collection points are conducted, among others, by wholesalers and retailers of equipment and the municipal organizational units engaged
in waste collection.
These legal obligations have been introduced to reduce the amount of waste generated from waste electrical and electronic equipment and to
ensure an adequate level of collection, recovery and recycling of used equipment. Proper implementation of these duties is important especially
when the waste equipment contains hazardous components which have a particularly negative impact on the environment and human health.
Equipment weight 7.18 kg
TECWELD Peter Polak
41-943 Piekary Slaskie Street. Emerald 21/3/6
branch:
41-909 Bytom ul. Cross 3
Tel. (+48 32) 38-69-428, fax (+48 32) 38-69-434 e-mail:
info@tecweld.pl www.tecweld.pl
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DECLARATION OF CONFORMITY
01 / MMA200 / 2016
Manufacturer's authorized representative:
TECWELD Peter Polak
41-943 Piekary Slaskie Street.
Emerald 21/3/6
branch:
41-909 Bytom ul. 3
Cross POLAND
Declare that the said product:
inverter welder
Trade name: MMA 200
Type: MMA 200
Manufacturer's trademark:
to which this declaration relates complies with the following directives of the European Union and
national provisions implementing the Directive:
LVD Low Voltage Directive 2006/95 / EC
EMC Electromagnetic Compatibility Directive 2004/108 / EC
II RoHS Directive 2011/65 / EU
and is compliant with the following standards:
BS EN 60974-1: 2013-04 Arc welding equipment - Part 1: Welding power sources, BS EN 60974-1: 2013-04 Arc welding equipment - Part 1: Welding power sources,
BS EN 60974-10: 2010 Arc welding equipment - Part 10: Requirements BS EN 60974-10: 2010 Arc welding equipment - Part 10: Requirements
electromagnetic compatibility (EMC)
BS EN 50581: 2013-03 Technical documentation assessment of electrical and electronic products BS EN 50581: 2013-03 Technical documentation assessment of electrical and electronic products
taking into account the restriction of the use of hazardous substances.
Year affix the CE mark on the device: 2013
Bytom, dn. 01/07/2016 Peter Polak
(Signature of authorized person)
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