Murex Tradesmig 141 User manual
Valid for serial no. 8110349 301 142 080424
Tradesmig 141
Instruction manual
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declaration
DECLARATION OF CONFORMITY
Murex Welding Products Ltd.
Declare hereby that:
Murex Tradesmig 141
Part No. 0349 309 291
Manufactured after 1st May 2005
Sconform with the requirements of Council Directive 72/23/EEC, amended by
Council Directive 93/68/EEC, relating to electrical equipment designed for use
within certain voltage limits.
Sconform with the requirements of Council Directive 89/336/EEC, amended by
Council Directive 93/68/EEC, relating to electromagnetic compatibility.
Sare manufactured in accordance with EN60974-1 Safety Requirements for Arc
Welding Equipment.
Sare manufactured in accordance with EN60974-10 Electromagnetic Compatibility
for Arc Welding Equipment.
On behalf of oMurex Welding Products Ltd.
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Britannia Road, Waltham Cross
Herts. EN8 7TF
England
Kent Eimbrodt
Global Director
Equipment and Automation
Manufactured by Esab Weldin Equipment AB.
ENGLISH
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TOCe
1 SA ETY 4...........................................................
2 INTRODUCTION 6...................................................
2.1 Equipment 6................................................................
3 TECHNICALDATA 6.................................................
4 INSTALLATION 7....................................................
4.1 Placin 7...................................................................
4.2 Assemblyofcomponents 7...................................................
4.3 Electricalinstallation 8.......................................................
4.4 Mainspowersupply 9........................................................
5 OPERATION 9.......................................................
5.1 Connectionandcontroldevices 10.............................................
5.2 Functionsexplanation 10......................................................
6 MAINTENANCE 10....................................................
6.1 Inspectionandcleanin 10....................................................
7 AULTTRACING 11...................................................
DIAGRAM 12............................................................
WEARCOMPONENTS 14.................................................
ACCESSORIES 15.......................................................
Ri hts reserved to alter specifications without notice.
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1 SA ETY
Users of weldin equipment have the ultimate responsibility for ensurin that anyone who works on
or near the equipment observes all the relevant safety precautions. Safety precautions must meet
the requirements that apply to this type of weldin equipment. The followin recommendations
should be observed in addition to the standard re ulations that apply to the workplace.
All work must be carried out by trained personnel well--acquainted with the operation of the weldin
equipment. Incorrect operation of the equipment may lead to hazardous situations which can result
in injury to the operator and dama e to the equipment.
1. Anyone who uses the weldin equipment must be familiar with:
Sits operation
Slocation of emer ency stops
Sits function
Srelevant safety precautions
Sweldin
2. The operator must ensure that:
Sno unauthorised person is stationed within the workin area of the equipment when it is
started up.
Sno--one is unprotected when the arc is struck
3. The workplace must:
Sbe suitable for the purpose
Sbe free from drau hts
4. Personal safety equipment
SAlways wear recommended personal safety equipment, such as safety lasses, flame--proof
clothin , safety loves.
SDo not wear loose--fittin items, such as scarves, bracelets, rin s, etc., which could become
trapped or cause burns.
5. General precautions
SMake sure the return cable is connected securely.
SWork on hi h volta e equipment may only be carried out by a qualified electrician.
SAppropriate fire extinquishin equipment must be clearly marked and close at hand.
SLubrication and maintenance must not be carried out on the equipment durin operation.
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T141e
WARNING
READ AND UNDERSTAND THE INSTRUCTION MANUAL BE ORE INSTALLING OR OPERATING.
ARC WELDING AND CUTTING CAN BE INJURIOUS TO YOURSEL AND OTHERS. TAKE PRECAU-
TIONS WHEN WELDING. ASK OR YOUR EMPLOYER’S SA ETY PRACTICES WHICH SHOULD BE
BASED ON MANU ACTURERS’ HAZARD DATA.
ELECTRIC SHOCK -- Can kill
SInstall and earth the weldin unit in accordance with applicable standards.
SDo not touch live electrical parts or electrodes with bare skin, wet loves or wet clothin .
SInsulate yourself from earth and the workpiece.
SEnsure your workin stance is safe.
UMES AND GASES -- Can be dangerous to health
SKeep your head out of the fumes.
SUse ventilation, extraction at the arc, or both, to take fumes and ases away from your breathin zone
and the eneral area.
ARC RAYS -- Can injure eyes and burn skin.
SProtect your eyes and body. Use the correct weldin screen and filter lens and wear protective
clothin .
SProtect bystanders with suitable screens or curtains.
IRE HAZARD
SSparks (spatter) can cause fire. Make sure therefore that there are no inflammable materials nearby.
NOISE -- Excessive noise can damage hearing
SProtect your ears. Use earmuffs or other hearin protection.
SWarn bystanders of the risk.
MAL UNCTION -- Call for expert assistance in the event of malfunction.
PROTECT YOURSEL AND OTHERS!
WARNING!
Read and understand the instruction manual
before installin or operatin .
Do not use the power source for thawin frozen pipes.
WARNING!
This product is solely intended for arc welding.
Do not dispose of electrical equipment together with normal waste!
In observance of European Directive 2002/96/EC on Waste Electrical and Electronic
Equipment and its implementation in accordance with national law, electrical equipment
that has reached the end of its life must be collected separately and returned to an
environmentally compatible recyclin facility. As the owner of the equipment, you should
et information on approved collection systems from our local representative.
By applyin this European Directive you will improve the environment and human health!
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2 INTRODUCTION
Tradesmig 141 are step controlled power sources in a compact desi n, intended for weldin with
solid steel, stainless steel or aluminium wire as well as tubular wire with or without shieldin as.The
possibility of weldin with homo eneous wire/shieldin as and weldin with asless tubular wire is
obtained by switchin the + and -- connections on the switchin terminal by the wire feed unit.
ESAB’s accessories for the product can be found on page 15.
2.1 Equipment
The power source is supplied with:
SWeldin un
SReturn cable with return clamp
SInstruction manual
3 TECHNICAL DATA
Tradesmig 141
Voltage 230--240V, 1∼50/60Hz
Permissible load at
100% duty cycle 42A/16,1V
60 % duty cycle 54A/16,7V
20 % duty cycle 100A/17,0V
Setting range (DC) 35A/15,7V--83A/18,2V
(130A/13,4)
Open circuit voltage 18,7--25,1V
Open circuit power 75W
Power factor at max load 0,91
Control voltage 230--240V, 50/60Hz
Wire feed speed 2,0--14m/min
Welding gun connection fixed
Wire dimension range 0,6--0,8(Fe)
1,0 (Al)
0,8(cored)
0,8(CuSi)
Max diameter/weight
of wire bobin
200mm/5k
Dimensions lxwxh 650x300x550
Weight 25k
Operating temperature --10 ÷+40oC
Enclosure class IP 23
Application classification
Duty cycle
The duty cycle refers to the time as a percenta e of a ten--minute period that you can weld at a cer-
tain load without overloadin .
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T141e
Enclosure class
The IP code indicates the enclosure class, i. e. the de ree of protection a ainst penetration by solid
objects or water. Equipment marked IP23 is desi ned for indoor and outdoor use.
Application class
The symbol indicates that the power source is desi ned for use in areas with increased
electrical hazard.
4 INSTALLATION
The installation must be executed by a professional.
4.1 Placing
Position the weldin power source such way that its coolin air inlets and outlets are
not obstructed.
4.2 Assembly of components
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4.3 Electrical installation
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T141e
4.4 Mains power supply
Check that the unit is connected to the correct mains power supply volta e, and that it is protected by
the correct fuse size. A protective earth connection must be made, in accordance with re ulations.
Rating plate with supply connection data
Tradesmig 141
Voltage V 230--240V,
1∼50/60Hz
Current A
at 100% duty cycle 5,1
at 60% duty cycle 7,0
at 20% duty cycle 13,8
Cable area mm2
22
23 x 1.5
use slow A10
NB: The mains cable areas and fuse sizes as shown above are in accordance with Swedish
regulations. They may not be applicable in other countries: make sure that the cable area and fuse
sizes comply with the relevant national regulations.
5 OPERATION
General safety regulations for the handling of the equipment can be found on
page 4. Read through before you start using the equipment!
WARNING!
Rotatin parts can cause injury, take reat care.
WARNING -- TIPPING RISK!
There is a risk of tippin while transportation and operation, if the weldin machine leans
more than 10o. In that case appropriate securin has to be provided !
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5.1 Connection and control devices
1Weldin volta e switch
OFF + 4 steps (mains ON/OFF)
4Return cable with clamp, fixed
2Oran e indicatin lamp, overheatin 5Knob for wire speed settin
3Weldin un, fixed
5.2 unctions explanation
5.2.1 Overheating protection
If the internal temperature becomes too hi h, the weldin is interrupted and disabled.
This state is indicated by li htin of the oran e indicatin lamp [2] on the front of the ma-
chine. It resets automatically when the temperature has fallen.
6 MAINTENANCE
Regular maintenance is important for safe, reliable operation.
Note!
All guarantee undertakings from the supplier cease to apply if the customer himself
attempts any work in the product during the guarantee period in order to rectify any
faults.
6.1 Inspection and cleaning
Check re ularly that the power source is free from dirt.
The power source should be re ularly blown clean usin dry compressed air at reduced
pressure. More frequently in dirty environments. Otherwise the air inlet/outlet may be-
come blocked and cause overheatin .
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