Express Weld Inverter 251-ULTRA User Manual Download Page 1 | Manualshive

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www.

askaynak

.com.tr

Expressweld

Model :

Inverter

251

-

ULTRA

MMA Arc

Welding

Machine

USER

MANUAL

MMA

Arc

Welding

Machine

Phase

Welding

Method

and Specifications

380V - 3Ph

2.5 - 5 mm

1
2
3
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Summary of Contents for Inverter 251-ULTRA

Page 1: ...www askaynak com tr Expressweld Model Inverter 251 ULTRA MMA Arc Welding Machine USER MANUAL MMA Arc Welding Machine Phase Welding Method and Specifications 380V 3Ph 2 5 5 mm ...

Page 2: ... Diagram 3 4 5 6 7 9 10 14 15 16 16 16 17 17 17 20 21 Table of Contents December 2014 Physical life determined by Ministry of Industry and Trade is 10 years This is the period for providing spare parts required for the machine to operate Kaynak Tekniği Sanayi ve Ticaret A Ş TOSB Otomotiv Yan Sanayi İhtisas Organize Sanayi Bölgesi 2 Cadde No 5 Şekerpınar 41480 Çayırova KOCAELİ Phone 0262 679 78 00 ...

Page 3: ... Expressweld is the registered trademark of Kaynak Tekniği Sanayi ve Ticaret A Ş ...

Page 4: ...ince the risk of electrical shock exists do not touch the metal ends of the plug after it has been removed from the power FUMES and GASES MAY BE DANGEROUS Welding operation produce fumes and gases hazardous to health To protect the users from this danger there should be enough ventilation or fumes and gases should be thrown away from the breathing zone WELDING ARC MAY BURN Proper mask filter and p...

Page 5: ... can be effective on devices like pacemakers Users who have a pacemaker must refer to a physiotherapist before operating the machine GAS CYLINDER MAY EXPLODE Only use the compressed gas cylinders that contain protective gas which is adequate for welding processes Be sure that adequate regulators for the gas and cylinder are correctly mounted on the cylinder Always keep cylinders in an upright posi...

Page 6: ...Cable 4 x 2 5 mm Power Factor cos 0 68 EXPRESSWELD Inverter 251 ULTRA is an inverter welding machine which is manufactured by using the latest inverter technology and inverter arc welding power units is a technology that has been emerged as of 1980s in international market 50Hz 60Hz frequency is converted to 20 KHz and higher in other words to high frequency by IGBTs and then alternating current A...

Page 7: ...plattering 6 Put the machine away from radio controlled devices Normal operation may adversely affect the operation of this type of devices which may result in injury or equipment damage Read the electromagnetic accordance section in this manual 7 Do not operate this machine in ambient temperatures of less than 10 C and over 40 C and 80 humidity 8 If people who are unqualified about electrical equ...

Page 8: ...able and sufficient amount of current for normal operation of the machine can be supplied Should be connected to yellow green cable grounding circuit 1 This machine has been designed as to work with 3 phase 380 V AC and 50 60 Hz supply voltage It should only be operated on 3 phase and grounded systems 2 Never perform a mains supply connection and start the machine until there is a good protective ...

Page 9: ...n be adjusted from front panel manually 8 Overload Overheating Warning Lamp This lamp lights on in case machine cannot provide output current due to overheating of the machine This occurs when ambient temperature is above and when machine s run time ratio operation efficiency is exceeded Let the machine cool down at on condition When the lamp turns off machine is ready for usage 9 On Off Switch Co...

Page 10: ...ther welding cables connected correctly d Splashed pieces and sparks during welding operation may cause fire Therefore pay attention not to keep flammable material within the area where welding operation is performed 6 Turn on the On Off switch 9 7 Adjust suitable welding current value which will be determined according to electrode diameter type welding position and electrode information sheet wi...

Page 11: ...e defected insulate the part with an appropriate material or replace the cable MONTHLY MAINTENANCE The dust that is accumulated inside the welding machine should be cleaned by pressured air If the machine is used in an environment which contains too much dust and fume this procedure should be performed twice a month To protect small parts be careful about the air pressure while cleaning Check the ...

Page 12: ...ly and be protected from blows 1 2 3 4 5 6 7 Fuse trips while the machine s main switch is open Input filter board is defective Refer to the service Machine doesn t work There is no output Fan doesn t work No electricity on the line Check the phases voltage which enters the machine Reconnect the phases Main input cable is defective Check the main input cable Replace with a new one if it is necessa...

Page 13: ...ed or loosen Check the work cable connect if not Arc does not start or electrodes stick to workpiece Connections are loose or not good Check the connections Work piece is dirty oily or there is too much dust on it Check the surface of work piece clean if necessary Arc is not stabile welding cannot be performed smoothly Pole connections are wrong or weak Change the poles as to be correct and tighte...

Page 14: ...n due to abnormal current created on main circuit Contact service There is magnetic field affect Tilt the welding electrode to the contrary direction of arc blow Change the location of work clamp or place grounding cable on both sides of work piece Use short arc distance Welding current cannot be set correctly Current adjusting potentiometer on the front panel is damaged or doesn t operate Contact...

Page 15: ...tact service LED is faulty or connection is weak Check LED connection change if it is faulty Control PCB is faulty Contact service Fan is faulty Change the fan If necessary contact service Numbers are missing on indicator screen Indicator is faulty Contact service Welding current is not same with adjusted value Front control PCB is faulty Contact service Maintenance and Troubleshooting 5 PROBLEM P...

Page 16: ...In case of using in living spaces to eliminate potential effects of electromagnetic waves it is necessary to use specific precautions User should certainly install and operate the machine as per the instructions included in the user guide In case any electromagnetic interference is detected user should take necessary precautions for this If necessary Kaynak Tekniği Sanayi ve Ticaret A Ş will help ...

Page 17: ...y reduce the electromagnetic interference This situation may be necessary for some special applications 6 Work should not be performed near welding power unit 7 To reduce electromagnetic interference and increase work safety ground the work piece if possible User should check if this grounding may cause problem for himself and for the machine 8 Ideal measurements of the working area should be dete...

Page 18: ...s Expiry of Machine s Physical Life When the economical life of the machine expired and cannot operate should not be disposed as domestic waste and not thrown into waste Welding machine should be disposed of as per local regulations EXPRESSWELD Inverter 251 ULTRA welding machine is sold in its cardboard box Do not purchase the machines without packaging For unpacking the machine open top cover of ...

Page 19: ...Spare Parts 1 18 ...

Page 20: ... A 3 B B 1 B 2 B 3 C 1 C 2 C 3 Part Number Part Description No Handle Machine Cover Auxiliary Transformer Control PCB EMC kartı Fuse Holder Fuse Rear Panel Switch CA20B A202 K N 25A Rear Panel Asbly Plate Fan Capacitor Right Side Panel Base Panel Output Absorb PCB Main Transformer Inductance Front Control PCB Front Control PCB Asbly Panel Front Panel Shield Output Terminal Panel Left Side Panel Re...

Page 21: ...e Output N Negative Output RD Fuse INPUT 3 380V INVERTOR CARD POWER SUPPLY CONTROL CARD arc force hot start power unit lamp current K On Off Switch T1 Bridge Diode Pr0 Soft Switch Card C3 Capacitor B1 Main Transformer T3 T4 Fast Diode P Positive Output N Negative Output RD Fuse Electrical Connection Diagram 1 20 ...

Page 22: ...Electrical Connection Diagram 2 21 C1 C2 T2 IGBT Module C4 C5 Absorb Capacitors H Current Sensor L Inductance 0T1 IGBT Protective Circuit B2 Auxiliary Transformer F Fan Capacitor FRONT CONTROL CARD ...

Page 23: ...om tr Kaynak Teknigi Sanayi ve Ticaret A S TOSB Taysad Organize Sanayi Bolgesi 2 Cadde No 5 Çayırova 41435 Kocaeli TURKEY Phone 90 262 679 78 00 Fax 90 262 679 78 26 Manufacturer Decembe 2014 CanO www askaynak com tr ...

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