GB
Origo™
Mig C280 PRO
Mig C340 PRO
Instruction manual
Valid for serial no. 627-xxx-xxxx, 119-xxx-xxxx0463 271 001 GB 20120905
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1 SAFETY 4...........................................................
2 INTRODUCTION 6...................................................
2.1 Equipment 6................................................................
3 TECHNICAL DATA 7.................................................
4 INSTALLATION 8....................................................
4.1 Location 8..................................................................
4.2 Assembly of components 9...................................................
WARNING 9.....................................................................
4.3 Electrical installation 10.......................................................
4.4 Mains power supply 10........................................................
5 OPERATION 11.......................................................
5.1 Connection and control devices 12.............................................
5.2 Overheating protection 12.....................................................
5.3 Inductance connection 12.....................................................
5.4 Polarity change 13...........................................................
5.5 Wire feed pressure 13........................................................
5.6 Replacing and inserting wire 14................................................
6 MAINTENANCE 14....................................................
6.1 Inspection and cleaning 14....................................................
7 FAULT TRACING 15..................................................
8 ORDERING OF SPARE PARTS 15......................................
DIAGRAM 16............................................................
CONNECTION INSTRUCTION 24..........................................
ORDER NUMBER 25.....................................................
WEAR PARTS 26........................................................
ACCESSORIES 29.......................................................
Rights reserved to alter specifications without notice.
TOCe
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GB
1 SAFETY
Users of ESAB equipment have the ultimate responsibility for ensuring 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 equipment. The following recommendations should be ob
served in addition to the standard regulations that apply to the workplace.
All work must be carried out by trained personnel well-acquainted with the operation of the equip
ment. Incorrect operation of the equipment may lead to hazardous situations which can result in in
jury to the operator and damage to the equipment.
1. Anyone who uses the equipment must be familiar with:
S its operation
S location of emergency stops
S its function
S relevant safety precautions
S welding and cutting
2. The operator must ensure that:
S no unauthorised person is stationed within the working area of the equipment when it is
started up.
S no-one is unprotected when the arc is struck
3. The workplace must:
S be suitable for the purpose
S be free from drafts
4. Personal safety equipment
S Always wear recommended personal safety equipment, such as safety glasses, flame-proof
clothing, safety gloves.
S Do not wear loose-fitting items, such as scarves, bracelets, rings, etc., which could become
trapped or cause burns.
5. General precautions
S Make sure the return cable is connected securely.
S Work on high voltage equipment may only be carried out by a qualified electrician.
S Appropriate fire extinquishing equipment must be clearly marked and close at hand.
S Lubrication and maintenance must not be carried out on the equipment during operation.
WARNING
Do not use the power source for thawing frozen pipes.
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© ESAB AB 2011
GB
WARNING
Arc welding and cutting can be injurious to yourself and others. Take precautions when welding and
cutting. Ask for your employer's safety practices which should be based on manufacturers' hazard
data.
ELECTRIC SHOCK - Can kill
S Install and earth the unit in accordance with applicable standards.
S Do not touch live electrical parts or electrodes with bare skin, wet gloves or wet clothing.
S Insulate yourself from earth and the workpiece.
S Ensure your working stance is safe.
FUMES AND GASES - Can be dangerous to health
S Keep your head out of the fumes.
S Use ventilation, extraction at the arc, or both, to take fumes and gases away from your breathing zone
and the general area.
ARC RAYS - Can injure eyes and burn skin.
S Protect your eyes and body. Use the correct welding screen and filter lens and wear protective
clothing.
S Protect bystanders with suitable screens or curtains.
FIRE HAZARD
S Sparks (spatter) can cause fire. Make sure therefore that there are no inflammable materials nearby.
NOISE - Excessive noise can damage hearing
S Protect your ears. Use earmuffs or other hearing protection.
S Warn bystanders of the risk.
MALFUNCTION - Call for expert assistance in the event of malfunction.
Read and understand the instruction manual before installing or operating.
PROTECT YOURSELF AND OTHERS!
CAUTION
Class A equipment is not intended for use in residential locations where
the electrical power is provided by the public low-voltage supply system.
There may be potential difficulties in ensuring electromagnetic
compatibility of class A equipment in those locations, due to conducted
as well as radiated disturbances.
CAUTION
Read and understand the instruction manual before
installing or operating.
CAUTION
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This product is solely intended for arc welding.
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© ESAB AB 2011
GB
Dispose of electronic equipment at the recycling facility!
In observance of European Directive 2002/96/EC on Waste Electrical and Electronic
Equipment and its implementation in accordance with national law, electrical and/or
electronic equipment that has reached the end of its life must be disposed of at a
recycling facility.
As the person responsible for the equipment, it is your responsibility to obtain
information on approved collection stations.
For further information contact the nearest ESAB dealer.
ESAB can provide you with all necessary welding protection and accessories.
2 INTRODUCTION
The Mig C280 PRO and Mig C340 PRO are step controlled power sources in a
compact design, intended for welding with solid steel, stainless steel or aluminium
wire as well as cored wire with or without shielding gas.
The possibility of welding with homogeneous wire/shielding gas and welding with
gasless cored wire is obtained by switching the + and - connections on the switching
terminal above the wire feed unit.
The power sources comes in different variants, see page 25
ESAB's accessories for the product can be found on page 29.
2.1 Equipment
The power source Mig C280 PRO is supplied with:
S Welding gun PSF 250 - 3m ( Mig C280 PRO 4WD - 4,5m)
S Return cable 3.5m with return clamp (Mig C280 PRO 4WD - 5m)
S Shelf for gas cylinder
S Instruction manual
The power source Mig C340 PRO is supplied with:
S Welding gun PSF 305 - 3m (Mig C340 PRO 4WD - 4,5m)
S Return cable 3.5m with return clamp (Mig C340 PRO 4WD - 5m)
S Shelf for gas cylinder
S Instruction manual
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3 TECHNICAL DATA
Mig C280 PRO
Voltage 400-415 V, 3∼50/60 Hz
380V, 3∼50/60 Hz
Permissible load at
100% duty cycle 150 A/22 V 150 A/22 V
60 % duty cycle 190 A/24 V 190 A/24 V
30 % duty cycle 280 A/28 V 280 A/28 V
Setting range (DC) 30A/15V-280A/28V 30A/15V-280A/28V
Open circuit voltage 15-38 V 15-38 V
Open circuit power 190 W 190 W
Efficiency 69% 69%
Power factor 0.97 0.97
Control voltage 42 V, 50/60 Hz 42 V, 50/60 Hz
Wire feed speed 1,9 - 19m/min 1,9 - 19m/min
Burnback time 0 - 0,25s 0 - 0,25s
Spot welding 0,2 - 2,5s 0,2 - 2,5s
Welding gun connection EURO EURO
Dimensions LxWxH 840x425x830 840x425x830
Weight 91 kg 91 kg
230/400-415/500V, 3∼50Hz
230/440-460V, 3∼60Hz
Operating temperature -10 to +40°C -10 to +40°C
Transportation temperature -20 to +55°C -20 to +55°C
Enclosure class IP 23 IP 23
Application classification
Mig C340 PRO
Voltage 400-415 V, 3∼50/60 Hz
380V, 3∼50/60 Hz
Permissible load at
100% duty cycle 195 A/24 V 195 A/24 V
60 % duty cycle 250 A/27 V 250 A/27 V
30 % duty cycle 340 A/31 V 340 A/31 V
Setting range (DC) 40A/16V-340A/31V 40A/16V-340A/31V
Open circuit voltage 16-40 V 16-40 V
Open circuit power 240 W 240 W
Efficiency 77% 77%
Power factor 0.95 0.95
Control voltage 42 V, 50/60 Hz 42 V, 50/60 Hz
230/400-415/500V, 3∼50Hz
230/440-460V, 3∼60Hz
Wire feed speed 1,9 - 20m/min 1,9 - 20m/min
Burnback time 0 - 0,5s 0 - 0,5s
Creep start OFF / ON OFF / ON
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© ESAB AB 2011
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Mig C340 PRO
2/4 stroke 2 / 4 2 / 4
Welding gun connection EURO EURO
Dimensions LxWxH 840x425x830 840x425x830
Weight 114 kg 114 kg
Operating temperature -10 to +40°C -10 to +40°C
Transportation temperature -20 to +55°C -20 to +55°C
Enclosure class IP 23 IP 23
Application classification
Enclosure class
The IP code indicates the enclosure class, i. e. the degree of protection against penetration by solid
objects or water. Equipment marked IP23 is designed for indoor and outdoor use.
Duty cycle
The duty cycle refers to the time as a percentage of a ten-minute period that you can weld or cut at
a certain load without overloading. The duty cycle is valid for 40° C.
Application class
The symbol indicates that the power source is designed for use in areas with increased
electrical hazard.
4 INSTALLATION
The installation must be carried out by a professional.
CAUTION
This product is intended for industrial use. In a domestic environment this product may
cause radio interference. It is the user's responsibility to take adequate precautions.
4.1 Location
Position the welding power source in such a way that its cooling air inlets and outlets
are not obstructed.
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© ESAB AB 2011
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4.2 Assembly of components
WARNING
During transport, the rear wheels of the power source are in their forward position. Before
use, place the wheels in their rear position.
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© ESAB AB 2011
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4.3 Electrical installation
4.4 Mains power supply
Check that the unit is connected to the correct mains power supply voltage, and that
it is protected by the correct fuse size. A protective earth connection must be made,
in accordance with regulations.
Rating plate with supply connection data
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© ESAB AB 2011
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