User Manual DP231C - Wholesaleweldingsupplies.ie
Contents
1. You can then do a better and safer job By reading this manual you will learn more about the possibilities limitations and potential dangers of welding Retain this manual for the entire life of the equipment It should be kept within the operator s reach at all times ensure you are not subjected to unnecessary risks However the operator must be competent and careful at all times i All equipment connected to electric power supplies can be dan gerous if the manufacturers instructions are not read and obser ved Read understand and observe these safety instructions to reduce the risk of death or injury from electric shock Ensure that even bystanders are aware of and understand the dangers that exi st in the welding area Fires and explosions can seriously injure or cause dama A A ge Read understand and observe all safety warnings to reduce the risk of death or injury from fire or explo sion Pay particular attention to the fact that even bystanders should be aware of and understand the dangers existing in the welding area Remember that welding by nature produces sparks hot spatter mol ten metal drops hot slag and hot metal parts that can cause fires can burn skin and damage eyes A The safety information contained in this manual is a guide to DANGER COMPRESSED GAS Indicating the risk of injury or death in the event of improper hand ling or maintenance of compressed gas cylinders or regulators FIRE2. exposure to rain or humidity exceeding the specified limits malfunction performance failure or if the equip ment has been dropped SPARE PARTS Use only manufacturer recommended spare parts AA Other spare parts could cause equipment mal function The use of non original spare parts will also result in the war ranty provisions becoming null and void releasing the manufacturer from any responsibility for malfunction or damage resulting as a con sequence of such action WELDING OPERATION SAFETY INSTRUCTIONS A AN A CAUTION Welding processes can be dangerous for the operator and bystanders if the safety warnings and instructions are not heeded PERSONNEL PROTECTION Together with the previous instructions the following precautions should be strictly observed A PROTECTION MASK Wear a protective non flammable welding mask to protect your neck your face and the sides of your head Keep the front lens clean and replace it if it is broken or cracked Place a transparent protection glass between the mask and the welding area CLOTHING Wear close fitting closed non flammable pocke tless clothing VENTILATION Weld in a well ventilated environment that does not have direct access to other work areas AA A f EYE PROTECTION NEVER look at the arc without appropriate eye protection FUMES AND GASES 1 Clean away paint rust or any other dirt from the item to be welded to avoid the creation of danger
3. PRECAUTIONS IMPORTANT INFORMATION Indicating the precautions to be taken when installing and using the unit DISPOSAL INFORMATION Zr INSTALLATION T INSTRUCTIONS x e e OPERATING INSTRUCTIONS UNPACKING INSTRUCTIONS SUITABLE FOR ENVIRONMENT WITH INCREASED HAZARD OF ELECTRIC SHOCK o Arc rays can damage your eyes and burn your skin Read A understand and observe all safety warnings to avoid dama ge from arc rays Pay particular attention to the fact that even bystanders should be aware of and understand the dangers exi sting in the welding area Wear a protective mask and make sure bystan ders do the same A A Fumes toxic gases and vapours can be harmful Read understand and observe all safety warnings to avoid harm from toxic welding gases Pay particular attention to the fact that even bystanders should be aware of and understand the dangers A e Carelessness while using or maintaining the compres sed gas cylinders or regulators can injure or kill the operator and or bystanders Read understand and observe all safety warnings to avoid the dangers of compressed gas Pay particular attention to the fact that even bystanders should be aware of and understand the dangers HIGH VOLTAGE AN The unit carries potentially lethal voltage The high voltage areas of the equipment have been segregated and can be reached only by using tools that are not provided with the Welder All main
4. can be controlled This makes the TIG procedure particularly suitable for precision welding on a wide variety of thicknesses in difficult positions and on pipes which require full penetration The TIG procedure can be used on various types of metals such as ferrous materials alloys nickel copper titanium magnesium During welding potentiometer 9 in fig 1 for example regulates the welding current The correct connection of the torch and earth cable is shown in the following table WELDING Front socket PROCESS 12 di Fig 1 Front socket 14 di Fig 1 CAVO 13 1 TIG WELDING Lift Arc Button 9 controls the current and the machine power amp Select TIG procedure START Lift Arc Ae OPTIONS Select this option and the welding screen will appear Ready to weld START BACK MEM OPTIONS TIG Lift Make sure that the pulse setting is switched off If not use the menu and set the option PULSE to OFF as shown in the above figure During welding it is possible to adjust the current using button 9 in fig 1 Both the welding current values and the relative arc tension used will be displayed continually on the screen ADJUSTMENTS AND SETTINGS Button 10 adjusts the welding settings on the screen prolonged pressure on the torch trigger will stop the welding process 2t 4t 4bilevel This function sets the 2 tempi or 4 tempi mode 2t In 2 tempi mode the machine welds for the entire ti
5. is generally used with the softstart setting Water pump This turns the water system ON or OFF if present 4 2 Synergic Short Arc MIG WELDING Synergic MIG welding allows the user to easily adjust the weld settings according to the different materials that require welding During synergic welding switch 9 of Fig 1 simultaneously adjusts the tension or the speed of the wire The other parameters are automatically adjusted to the set power according to the diameter and type of wire selected The percentage of the length of the arc can be varied using the welding tension setting Welding quality can be further improved by adjusting the electronic inductance and deposit settings Turn switch 10 to choose from the different MIG MAG welding options press the switch again to confirm the chosen option Select MIG MAG procedure Short arc manual Short arc synergic Pulsed arc synergic OPTIONS MIG MAG Once selected the screen with the welding wire material options will appear Select wire type OPTIONS MIG MAG S A S Settings that do not appear on the screen are accessible by turning switch 10 Once the type of wire has been selected using switch 10 the settings page for the welding wire diameter will appear O Select wire diameter START BACK OPTIONS Selecting this option will take you to the welding screen Ready to weld TART 150A laid 15 0v MEM 2 8m PUR
6. lead in the event an extension lead is required use one of the same capacity length sezione or higher than the machine in use according to the length of the cable A 2 5 mm three pole cable earth of the same size or larger 17 REMOTE CONNECTION Figure 8 shows the connections of the remote connector 13 of fig 1 Where Sw is the torch trigger P is the potentiometer for controlling the current 17 1 REMOTE CONTROL OF THE WELDING CURRENT With remote connector 13 in Fig 1 it is possible to adjust the current near to the point where the welding is being carried out To do so it is necessary to create a connection with potentiometer P shown in figure 8 The value of the potentiometer is not a critical factor between 2 2kOhm and 10kOhm 1 2W can be used Turn the potentiometer and select the welding current in a range between zero and the set value 18 CONNECTING THE OUTPUTS Connection of the welding cables occurs via a Dinse quick connect system with appropriate connectors 19 CONNECTING THE GAS CYLINDER AND THE GAS REGULATOR For TIG and MIG welding only For MMA welding skip this paragraph entirely Fig 9 1 Connect the pressure regulator 2 to the cylinder 3 Make sure the regulator is suitable for the cylinder pressure Attach the connector nut 6 of the regulator 2 to the cylinder 3 Do not screw too tightly excessive force could damage the valve 1 of the cylinder 3 2 Connect t
7. of each homogeneous component Aluminium and aluminium alloy parts use less than 4 by weight of each homogeneous component Only dispose off in authorised sites for electrical and electronic waste do not dispose of with general refuse or landfill waste WEEE Statement WEEE Waste Electrical amp Electronic Equipment 2002 96 EC In relation to implementing the legislation Parweld has established relevant recycling and recovery methods We have been fully compliant against the marking requirements since August 2005 Parweld is registered in the UK with the Environment agency as detailed below For WEE compliance outside the UK please contact your supplier Importer Parweld is registered with a compliance scheme Official registration number is WEE FD0255QV When your equipment reaches the end of its service life you should return it to Parweld where it will be reconditioned or processed for recycling Statement of warranty Limited Warranty Parweld Ltd hereafter Parweld warrants its customers that its products will be free of defects in workmanship or material Should any failure to conform to this warranty appear within the time period applicable to the Parweld products as stated below Parweld shall upon notification thereof and substantiation that the product has been stored installed operated and maintained in accordance with Parweld s specifications instructions recommendations and recognized standard industry practice an
8. of fig A with the name Lock on the black and white display and the symbol for the colour display 2 You will then be asked to enter the password which must be kept safe to make future modifications of the work point should the need arise Ready to weld Insert password K y arc force 20 MMA hot start 20 Manual dauer hot span 0 5s remote OFF To enter the password proceed as follows 1 Turn switch 10 fig 1 and select the first letter of the password 2 To confirm the selection press switch 10 3 Repeat steps 2 and 3 to complete the password 4 Confirm by pressing the switch again Fig A Fig B 24 3 Once the password has been confirmed the display will show the message in Fig C a lock symbol in the area 1 of the display and the functions Unlock and Reset pw reset password which correspond to buttons 2 and 3 fig 1 respectively in area 2 of the display To exit the lock option o press switch 9 in fig 1 5 Should the need to modify the work stage arise activate the Unlock option by pressing the function button The unlock function will require the user to enter the password that was set and activated as described above 6 The reset password option can be activated by pressing the Reset pw button e work stage briefly WARNING The Reset Password option should only be used when there is no way of tracing the work stage and when the Lock Unlock password has been lost To u
9. the workpiece This welder can be used with the following types of wire 1 Solid wire must always be used with a gas shield 2 Flux cored for gas welding the centre of the wire contains a mineral product that improves the quality of the weld this must always be used with gas The correct method for connecting the torch and the earth cable can be seen in the table below Front socket 12 of Fig 1 Front socket 14 of Fig 1 WELDING Euroconnettor PROCESS 16 of Fig 1 TORCH NOT EARTH inne CABLE USED CABLE Switch 9 adjusts the machine power There are three principal MIG MAG welding modes 1 Manual short arc 2 Synergic short arc 3 Pulsed arc synergic 4 1 Manual Short Arc MIG Welding By turning switch 10 it is possible to choose from the different MIG MAG welding modes press the switch to select the desired option Select MIG MAG procedure Short arc manual as short arc synergic Pulsed arc synergic OPTIONS MIG MAG INCE selected e follow screen will appear Wire Ready to weld MIG MAG S A M speed This sets the speed of the welding wire The welding current and the wire speed must be adjusted taking into consideration the thickness of the workpiece Larger pieces will require a higher wire speed For best results the wire soeed must be adjusted during welding soft start This adjusts the contact speed of the wire creating a softer weld spark the higher t
10. the event of this happening use air sup ply respirators BEFORE welding read and understand the wel ding alloy safety provisions PROTECTIVE WELDING GASES Together with the previous instructions the following precautions should be strictly observed when welding with protective gases A AX ons rees These welders use only inert non flammable gases for welding arc protection It is important that the appropriate type of gas is chosen for the type of welding being performed A A UNIDENTIFIED GAS CYLINDERS NEVER use unidentified gas cylinders Always use a pressure regulator PRESSURE REGULATOR 2 Check the regulator is performing its function properly Read the regulator instructions carefully PRESSURE REGULATOR 3 Never lubricate any part of the regulator PRESSURE REGULATOR 4 All regulators are designed for a specific type of gas Check the regulator is appropriate for the protective gas to be used PRESSURE REGULATOR 1 NEVER connect the cylinder directly to the Welder DAMAGED GAS CYLINDERS NEVER use damaged or faulty cylinders A CYLINDER RELOCATION NEVER lift a gas cylinder by holding the regulator GAS CYLINDERS Do not expose gas cylinders to excessive heat sour ces sparks hot slag or flames A GAS HOSE 1 Check the gas hose is not damaged GAS HOSE 2 AES keep the gas hose well away from the work ELECTRIC SHOCK Together with the previous instructions the following pre cautions should
11. 47 porweld User Manual DP231C t mA parta mt Find mora BProducta n MAMAMA PRAT eld en TTi DANGER Indicating a hazard that could cause injury or damage ELECTRIC SHOCK Indicating the danger of electric shock DANGER OF FIRE OR EXPLOSION Indicating that eye protection is required to avoid burns and eye damage TOXIC GAS Indicating the risk of toxic gas hazards HOT SLAG Indicating the risk of being burned by hot slag EYE PROTECTION Indicating that eye protection is required to avoid flying debris e9 READ THE INSTRUCTION MANUAL CAUTION SAFETY WARNINGS BOP heb Pie This equipment is designed solely for industrial or professional use As such only experienced or ful ly trained people should use the equipment The user and or owner is responsible for ensuring inexperienced person nel does not have access to the equipment The constructor declines all responsibility for injury or damage caused by inexperienced improper or neglect ful use of its equipment Aworkman must look after his tools carefully Remember that Ay any tool or equipment can become a hazard if it is not looked after properly Equipment in a state of disrepair or neglect can be dangerous If it does not operate properly or overheats the electricity supply should be removed immediately and the unit should be returned to the sup plier for repair Read this manual carefully before using your Welder
12. 5 22 20 5 Welding mode TIG Weld current range from 15A 10 6V to 235A 19 4V Open circuit voltage V 55 Out put current and tension Duty 35 60 100 2 A 220 160 130 U2 V 18 8 16 4 15 2 Welding mode MMA Weld current range from 15A 10 6V to 185A 17 4V Open circuit voltage V 55 Duty 35 60 100 2 A 185 138 109 U2 V 27 4 25 52 24 36 6 1 GENERAL SPECIFICATIONS AND NOTES FOR CONSULTING THIS MANUAL The DP231C welders are made using INVERTER technology They are extremely compact and versatile devices that can be used in all those situations that require minimum obstruction combined with the highest performance These welders use both manual and synergic MMA TIG and MIG MAG short arc pulse or double pulse The innovative operator interface system which uses a large 5 7 TFT colour screen allows for simple and intuitive use of the equipment without renouncing on the possibility to personalise all of the welding settings All of the main parameters of the machine are stored on a memory card SD Card keeping the equipment constantly up dated with the latest welding developments If the memory card is removed the equipment will cease to function 2 DESCRIPTION OF THE EQUIPMENT providing an optimal antitheft system and safeguard against inappropriate use Thanks to the advanced control techniques adopted the product is extremely reliable and easy to use This instruction manual provid
13. FACTURER S NAME ADRESS AND COMPANY LOGO 2 MODEL 3 SERIAL NUMBER 4 BLOCK DIAGRAM 5 WELDING OUTPUT 6 SUITABLE FOR ENVIRONMENT WITH INCREASED HAZARD OF ELECTRIC SHOCK T POWER SUPPLY 8 DEGREE OF PROTECTION 9 TYPE OF WELDING OUTPUT CURRENT 10 INPUT VOLTAGE 11 RATED INPUT VOLTAGE 12 MAXIMUM RATED INPUT CURRENT 13 MAXIMUM EFFECTIVE INPUT CURRENT 14 APPLICABLE STANDARDS 15 RANGE OF WELDING VOLTAGE CURRENT 16 DUTY CYCLE aa aa 17 RATED WELDING CURRENT BCR kt t 18 CONVENTIONAL LOAD VOLTAGE C p A IT cal f 19 YEAR OF CONSTRUCTION EN i 7 1 CONSTRUCTION SPECIFICATIONS WEIGHT Kg 23 Dimensions Width mm 220 Depth mm 560 Height mm 480 Protection rating IP 21S Height S L M m 1000 Usage temp C 10 40 Storage temp C 20 55 T est temp C 40 Applicable standards EN 60974 1 EN 60974 10 Group Class Gruppo 2 Classe A Thermal protection Termostato Incorporato ELECTRICAL INPUT Line voltage 230 No phases 1 Frequency Hz 50 60 Effective line current A 21 6 Maximum line current A 40 3 Input Power kVA 5 Circuit protection Time delay fuses or Co K magnetothermal curve OUT PUT CHARACTERISTICS Static characteristics Cadente Fill Diameter 0 6 0 8 1 0 1 2 Welding mode MIG MAG Weld current range from 15A 14 75V to 235A 25 75V Open circuit voltage V 55 Output current and tension Duty 35 60 100 2 A 220 160 130 U2 V 2
14. GE gt 1 0mm MIG MAG S A S Fe 0 6mm Arc length This changes the length of the electric weld arc with respect to the pre set synergic values Deposit This modifies the deposit of the filler material velocity of the wire with respect to the pre set synergic values nductance This changes the variation speed of the welding current to achieve a sharper low values or softer arc high values Double short This activates ON or deactivates OFF the two level option i e the continuous switching between two different welding tension levels L1 span When the two level mode is active the duration of the first power level can be set L2 span When the two level mode is active the duration of the second power level can be set L2 amplitude When the two level mode is active the second power level L2 can be set with respect to the set power level L1 2t 4t 4bilevel This function adjusts the 2 step or 4 step settings 2t In 2 step mode the machine will weld for as long as the torch trigger is pressed down 4t In 4 step mode press the trigger once to start the torch press again to stop the torch 4Bi In 4 step Bi Level mode press the trigger once to start the torch successively briefly pressing the trigger for less than 1s will cause the set welding current to pass to second level and vice versa Prolonged pressure on the torch trigger will halt the welding process 2nd level This option is for setting
15. OPTIONEN Once the type of wire has been selected using switch 10 the settings page for the welding wire diameter will appear The wire s diameters could not be available for all models ry Select wire diameter OPTIONS Selecting this option will take you to the welding screen Ready to weld TART 150A ees 15 0v MEM 2 8m PURGE gt 1 0mm MIG MAG PAS Fe 0 6mm Arc length This changes the length of the electric weld arc with respect to the pre set msynergic values Deposit This modifies the deposit of the filler material velocity of the wire with respect to the pre set synergic values Double pulse This activates ON or deactivates OFF the two level option i e the continuous switching between two different welding tension levels L1 span When the two level mode is active the duration of the first power level can be set L2 span When the two level mode is active the duration of the second power level can be set L2 amplitude When the two level mode is active the second power level L2 can be set with respect to the set power level L1 2t 4t 4bilevel This function adjusts the 2 step or 4 step settings 2t In 2 step mode the machine will weld for as long as the torch trigger is pressed down 4t In 4 step mode press the trigger once to start the torch press again to stop the torch 4Bi In 4 step Bi Level mode press the trigger once to start the torch successively briefly pressin
16. T BACK MEM OPTIONS MMA Manual Arc Force This sets the current increase ratio in relation to the welding current that the welder can force in order to keep the arc appropriately ignited in any position Hot Start This sets the current increase ratio in relation to the welding current that the welder can force when the arc is ignited to improve the quality of the same Hot start span This sets the time period when the jot start current is forced Remote This switches the remote control which connects to socket 13 of fig 1 of the current intensity ON or OFF 10 WELDING TABLE Use the table below to calculate the welding current according to the type of electrode used ELECTRODE WELDING ELECTRODE DIAMETER CURRENT LENGTH 140 170 190 230 11 CONNECTION FOR MMA WELDING The Dinse connector is inserted by lining up the key with the groove and turning the connector in a clockwise direction until it stops The electrode clamp holder and earth must be connected to the and terminals according to the specifications of the electrodes used IGNITING THE MMA ARC welding 4Bi Create the contact I for igniting the arc at a distance of approximately 5 cm from the initial welding point Immediately move the electrode towards the workpiece without touching it in order to keep the arc iQnited Quickly bring the electrode without turning off the arc towards the point where the we
17. applied water pump Where present this turns the water system ON or OFF remote This turns the remote control of the current intensity supplied ON or OFF spot welding This sets the maximum welding duration if different to 0 in seconds 14 CONNECTOR FOR TIG WELDING 1 Connect the earth cable to the appropriate socket on the front of the device 18 of fig 1 Insert by lining up the key with the groove and turn in a clockwise direction until it stops Do not fasten too tightly 2 Connect the torch to the appropriate socket on the front of the device 17 of fig 1 3 Insert by lining up the key with the groove and turn in a clockwise direction until it stops Do not fasten too tightly 4 Insert the torch pulse signal connector into the socket part 2 of the display TIG WELDING Before connecting the gas make sure the cylinder contains pure Argon gas Never use any other type of gas Connect the pressure regulator to the cylinder after which connect the latter to the gas tube of the torch TIG welding is usually carried out with a constant current with a negative pole see fig 6 The cable of the TIG torch is then inserted into the negative socket 12 of fig 1 whilst the earth cable of the workpiece is le We connected to the positive socket 14 of fig 1 At this stage it is possible to adjust the welding current using the potentiometer 9 of fig 1 on the front panel T
18. be strictly observed to reduce the risk of electric shock ELECTRIC SHOCK INJURY AN DO NOT touch a person suffering from electric shock if he she is still in contact with the cables Switch the mains power source off immediately THEN provide assistance CABLE CONTACT A Do not tamper with power cables if the mains power is still switched on Do not touch the welding circuitry Welding cir pd is usually low voltage however as a precaution do not tou Re welder electrodes CABLE AND PLUG PRECAUTIONS Check the power supply cable plug and wall socket regularly This is particularly important if the equipment is relocated often To not only cause warranty cancellation but also high danger risks MAINTENANCE PRECAUTIONS Always check that the electric power supply has been discon nected before performing any of the maintenance opera tions listed in this manual e g before replacing any of the fol lowing worn electrodes welding wires the wire feeder etc REPAIRS AN Never attempt to repair the Welder yourself The result would Never point the welding gun or the electrode towards yourself or others ELECTROMAGNETIC COMPATIBILITY i Check no power supply cables telephone cables or other Check there are no telephones televisions computers or other A transmission devices close to the Welder electrical items e g computer cables control lines etc are f Make sure that people with pace makers are not in the imm
19. between two successive tacks Pre gas time This sets the gas supply time before the welding current is supplied Post gas time This sets the gas supply time after the welding current supply ends 13 Burnback This adjusts the length of the wire in the tip of the torch when the welding process comes to an end Soft start this adjusts the contact speed of the wire to obtain a soft weld spark the higher the values the lower the contact speed Hot start This sets the weld ignition current in order to achieve a softer weld spark this is generally used with the soft start option Water pump When present this turns the water WELDING CURRENT system ON or OFF A 0 6 0 8 60 100 0 8 1 0 80 120 1 0 1 2 100 130 150 200 Spray Arc m 120 200 200 300 Spray Arc 5 MIG WELDING CONECTOR The connector for the welding cables comes with a quick connect system that uses appropriate connectors 5 1 MIG TORCH We would advise you to carry out regular controls on the condition of the welding torch in particular always check the nozzle the wire feeder tip and the internal liner of the torch These parts must be kept well cleaned and intact If the wire stops threading correctly replace the liner N B Each wire and diameter corresponds to an appropriate wire feeder tip and liner Always make sure you are using the correct type 5 2 CONNECTOR FOR MIG WELDING with a traditional torch 1 Connect the earth cable to the approp
20. check that it is appro priate for the wall socket you intend using Never tamper with the power cable CABLE COLOURS AA The green yellow wire is for earthing Don t use it for anything else RELOCATION 1 A Some Welders are extremely heavy therefore care should be taken when relocating the unit Check the floor or platform wei ght load limitations before relocating the unit if the Welder is to be used even only temporarily in a non industrial environment RELOCATION 2 Never store or move the Welder in an inclined position or on its side INSTALLATION ENVIRONMENT AA The equipment is not suitable for use in washrooms shower cubicles pool areas or similar environments If you are obliged to use the unit in such areas turn off all water sup plies and check the area has been evacuated OPERATING AND OR INSTALLATION ENVIRONMENT 1 The Welder was not designed for installation or use in areas where it could be subject to blows or vibration such as road vehicles railway camiages cable cars aircraft ships or boats or similar environments including cranes conveyor carriers or any other mobile equipment prone to vibration OPERATING AND OR INSTALLATION ENVIRONMENT 2 The Welder should never be used or stored in the rain or in snow f A OPERATING AND OR INSTALLATION ENVIRONMENT 3 Never use the Welder in an explosive corrosive abra sive or saline environment EXTINGUISHER Always place an approved fire ex
21. d not subject to misuse repair neglect alteration or accident correct such defects by suitable repair or replacement at Parweld s sole option of any components or parts of the product determined by Parweld to be defective Parweld makes no other warranty express or implied This warranty is exclusive and in lieu of all others including but not limited to any warranty of merchantability or fitness for any particular purpose Limitation of Liability Parweld shall not under any circumstances be liable for special indirect or consequential damages such as but not limited to lost profits and business interruption The remedies of the purchaser set forth herein are exclusive and the liability of Parweld with respect to any contract or anything done in connection therewith such as the performance or breach thereof or from the manufacture sale delivery resale or use of any goods covered by or furnished by Parweld whether arising out of contract negligence strict tort or under any warranty or otherwise shall not except as expressly provided herein exceed the price of the goods upon which such liability is based No employee agent or representative of Parweld is authorized to change this warranty in any way or grant any other warranty Purchaser s rights under this warranty are void if replacement parts or accessories are used which in Parweld s sole judgement may impair the safety or performance of any Parweld product Purchas
22. e in the vicinity of the Welder diate vicinity of the Welder Do not use the Welder in hospitals or medical environments including veterinary surgeries Make especially sure there is no electrical medical equipment being used close to where wel ding is being done Should the Welder interfere with other apparatus take the fol lowing precautionary measures 1 Check the Welder s side panels are securely fastened 2 Shorten the power supply cables Place EMC filters between the Welder and the power source AN EMC compatibility CISPR 11 Group 2 Class A This 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 in those locations due to conducted as well as radiated disturbances This equipment does not comply with IEC 61000 3 12 If it is connected to a public low voltage system it is the responsabi lity of the installer or user of the equipment to ensure by consultation with the distribution network operator if necessary that the equipment may be connected This equipment is suitable for using in industrial environments with mains power protected by residual current operated cir cuit breaker time delay Type B and tripping current of gt 200 mA DATA PLATE Serial Number TTT picky LOON w OD 1 MANU
23. e cylinder MIG Mode with gas GAS connection to the cylinder 20 Fuse 21 Connector for supplying power to the liguid cooling system Optional Warning the connector contains dangerous voltages NEVER use it for purposes other than those for which it was specifically designed Fig 3 FIGURE 3 22 WIRE SPOOL SUPPORT The 300mm MIG welding spool requires an external support 23 WIRE FEEDER SYSTEM see figure 3A for a more detailed image 24 WIRE FEEDER MOTOR 25 WIRE TENSION REGULATOR Adjusts the tension of the welding wire 26 INLET OF THE WIRE FEEDER MOTOR 27 WIREFEEDER SPOOLS 28 GAS VALVE The Gas Valve can be rotated in three positions GAS MIG Position The tap feeds the Euroconnector with the gas from the cylinder connection 19 For MIG with GAS welding GAS TIG Position The tap feeds the front connection 14 with the gas from the cylinder connection 19 For TIG welding WELDING WIRE To load the welding wire follow these instructions carefully in the order described below Warning before inserting the wire always remove the gas nozzle and the wire feeder tip from the welding torch 1 Disconnect the cable from the power supply 18 of Fig 2 eeder 25 of Fig 5 Lower e rong pe hia So BA Unscrew the Run nder the eeder spools all the ss ay to the out let of he Euroconnector Lower the sed bearing spool regulator wire grip knob Caution be
24. er s rights under this warranty are void if the product is sold to purchaser by non authorized persons Contact Your Local Distributor Parweld Limited Bewdley Business Park Long Bank Bewdley Worcestershire England DY12 2TZ tel 44 1299 266800 fax 44 1299 266900 web www parweld com email info parweld co uk
25. es detailed information on the machine settings reading the entire manual will allow you to appreciate the extreme flexibility and practicality of use Caution the device must only be used in the manner and for the purpose described in this manual Never use inappropriately or for any other purpose using this selector you can choose the gas outlet dedicated for each welding process 20 21 6 Ready to weld Part 1 Part 2 OPTIONS Part 3 arc force hot start ana Part 4 hot start span remote Part 5 Graphic display The display 5 7 inch color shows different screens depending on whether the machine is in welding mode or setting mode In welding mode the display is divided into five main parts Part 1 State of the machine Part 2 Meaning of the active buttons buttons 2 3 4 5 of fig 1 Part 3 Value of the measurements set Part 4 Type of process selection Part 5 Indicates the values set for the various welding parameters to change the set value highlight the value with knob 10 and press to confirm the value is highlighted as a contrast Change the value by turning the knob and confirm the new value by pressing knob 10 again Highlighted value Indicates the welding parameter that is being changed with knob 10 VIEWS At start up the Parweld logo and the Firmware revision are displayed CONTROL BUTTONS 2 3 4 5 6 in fig 1 Each control button is associated with a specific function shown o
26. fore proceeding with the next step make sure the torch cable Fig 4 is well extended and that the welding wire does not have any bends or burrs Failure to follow these precautions could damage the wire feeding tube inside the torch Once the wire has been threaded through the torch attach the wire feeder tip and the gas nozzle N B When changing the diameter of the wire make sure that the correct cable of the wire feeder spool is facing towards the inside of the machine To do so ensure that the diameter and type of wire is legible facing towards the outside of the machine Remember that the spools with a V cable are suitable for feeding iron and steel wire The spools with a U are suitable for aluminium wire 4 MIG MAG WELDING To choose this welding mode use switch 10 select MIG and press confirm Select mode MMA MIG MAG TIG OPTIONS MIG MAG welding Metal Inert Gas and Metal Active Gas is continuous wire feed welding that provides a higher current density compared to welding with a fluxcovered electrode this allows increased penetration and speed and the joint can be filled with less strokes Welding is carried out by melting a metallic electrode consisting of a continuous wire in a welding pool at a constant speed controlled by the welding torch When the wire starts to feed it touches the area that requires welding creating an electric arc the arc melts the wire which is then deposited on
27. g pool pen PRIMA DEL TRASFERIMENTO DURANTE LA STRIONE DOPO IL TRAFERIEMNTO the tension directly influences the appearance of the welding seam but the dimensions of the welding surface can be varied according to requirements by manual movement of the torch to obtain variable deposits with a constant tension the speed of the movement of the wire is in relation to the welding current 7 ADJUSTING THE WELDER Once the welding tension has been set maintain the length of the electric arc between 5 and 10 mm and adjust the wire speed to achieve the best welding results Initially carry out a welding test on a well cleaned sample free of any coating rust or paint NOTE The torch trigger controls the following functions gas flow wire movement welding current 8 HOW TO ACHIEVE THE BEST WELDING RESULTS Hold the torch at an angle of 45 from the workpiece Keep the gas nozzle Fig 4A at a distance of approximately 6 mm from the workpiece 2 Move the torch with a continuous movement using a push not pull motion This will guarantee the gaseous shield of the arc 3 Avoid welding in high winds If the wind is too strong it could carry the gas away from the welding pool creating a porous weak weld 4 Keep the wire clean never use rusty wire 5 Make sure the torch cable is free of dents or coils which could compromise the correct movement of the wire 6 When changing the wire spool always c
28. g the trigger for less than 1s will cause the set welding current to pass to second level and vice versa Prolonged pressure on the torch trigger will halt the welding process 2nd level This option is for setting the values the wire speed corresponding to the second power level which is active when the values of the 2t 4t 4bi level is set to 4bi Initial final current it allows to switch up ON or down OFF mode with starting final current Initial current allows setting the value at which the welding current is brought to immediately after the striking of the electric arc Initial time allows setting the time of the current established by the Initial Current parameter In 4t 4bi mode this time is irrelevant and the initial current is kept for as long as the torch button is held down Ramp lIs gt 11 allows setting the duration of the upslope of the welding current Ramp l1 gt If allows setting the duration of the downslope of the welding current Final current allows setting the value at which the welding current is brought to on completion of the downslope Final time allows setting the time of the current established by the Final Current parameter In A4t 4bi mode this time is irrelevant and the final current is kept for as long as the torch button is held down Spot welding This sets the maximum welding duration when different to 0 in seconds Pause This sets the duration of the pauses when different to 0
29. he level the lower the contact speed Inductance This adjusts the variation speed of the welding current for a sharper low levels or softer arc high levels 2t 4t 4Bi level This allows the user to set the 2 step or 4 step functions 2t In 2 step mode the machine will weld for as long as the torch trigger is held down 4t In 4 step mode one press of the torch trigger will start the welding process press the button again and the welder will stop 4Bi Nin 4 step bi level mode one press of the torch trigger will start the welding process successively brief pressure on the trigger for a duration of less than 1s will make the welder pass from the welding current to the second level and vice versa Pressing the torch trigger for lengthy periods of time will halt the welding process Spot welding This allows the user to set when different to 0 the maximum welding duration in seconds Pause This allows the user to set when different to 0 the duration of the pause between two successive tacks Pre gas time This allows the user to set the time of the gas supply before feeding the welding current Post gas time This allows the user to set the time of the gas supply when the welding current stops Burnback This allows the use to adjust the length of the wire at the end of the torch when the welding process ends Hot start This allows the user to set the welding ignition current to create a soft weld spark this
30. he diameter of the electrode and the welding current settings must be selected according to the thickness of the workpiece 15 IGNITION OF THE TIG ARC Rest the ceramic of the TIG torch on the workpiece step 1 of fig 7 bring the tungsten electrode into contact with the workpiece then press the torch trigger whilst moving in a circular motion where the ceramic is positioned see step 2 of fig 7 Step 2 Step 1 Atthis stage ignite the arc by moving the electrode away from the workpiece a few millimetres step 3 of fig 7 While maintaining the same distance from the weld pool whilst keeping the torch trigger held down Release the button to interrupt the welding process 16 POWER CONNECTOR Before connecting the machine check the tension number of phases and the power supply frequency The admissible power supply is indicated in the Specific Techniques section on page 5 of this manual and on the information plate on the machine Check that the earth of the welder has been connected correctly Furthermore make sure that the plug provided with the equipment is compatible with the local grid sockets Make sure that the power supply provides sufficient power for the machine to function tension ranges The power supply grid protection devices to be used are listed in the Specific techniques section of the present manual The machine is provided with a specific power cable that does not usually require an extension
31. he gas tube 4 to the regulator 2 and secure with a cable tie 5 3 Make sure that the gas tube is connected to the welder correctly Inappropriate handling and use could cause serious accidents Never stack the cylinders or expose to excessive heat flames or sparks Do not bash the cylinders together Contact your supplier for further information on the use and maintenance of the cylinders Warning Never use damaged cylinders in this case advise your supplier immediately 20 ORDINARY MACHINE MAINTENANCE Every three months periodically remove dust from the suction nozzle using compressed air Always direct the air from the inside towards the outside of the machine to avoid blowing dirt inside the welder When carrying out this operation always make sure the machine is not connected to the power supply 22 MEMORISING THE WORK POINT As illustrated in the previous paragraphs the welder allows for a notable personalisation of the work point when used both manually and synergically The work point for a workpiece can be saved in the memory and rapidly recalled at a later date To save a work point follow the instructions below 1 Select ready to weld on the display 2 Set the appropriate parameters for the welding mode required Ready to weld START BACK MEM OPTIONS MMA Manual arc force hot start hot start span remote 3 Press the MEM button 4 of fig 1 4 Turn switch 10 fig 1 chose
32. lding seam will begin Begin welding advancing slowly The distance between the tip of the electrode and the workpiece mustbe as identical as possible to the diameter of the electrode in use process press the button again to stop This is carried out by stopping a while over the last crater i e the end of the welding seam returning slowly on the previously deposited seam for approximately two centimetres and only at this point moving the electrode away from the workpiece to turn off the arc 13 TIG WELDING To select this welding mode turn switch 10 select TIG and press confirm 6 Select mode MMA START TIG MIG MAG i OPTIONS Inert gas Argon welding with an infusible Tungsten electrode and arc often call TIG Tungsten Inert Gas for short is a welding procedure whereby the heat is produced by an arc that strikes between a tungsten electrode which is not consumable and the workpiece The welding is carried out by fusing the edges of the workpiece or by adding other filler material using specific types of rod to create a joint The torch is ignited by touching the workpiece with the electrode and then lifting The TIG procedure can be adapted to any work position and can also be applied to very thin sheets of metal 0 2 0 3 mm The TIG procedure is distinguished by the ease with which the arc can be controlled a powerful and concentrated thermal source and the simple manner in which the filler material
33. lean the wire feed tube with compressed air 9 MMA WELDING To select this welding mode use switch 10 select MMA and press confirm Select mode MMA START TIG MIG MAG OPTIONS Electric arc welding with a covered MMA Metal Manual Arc electrode or SMAW Shielded Metal Arc Welding is a manual welding procedure that takes advantage of the heat generated by the electric arc which strikes between a covered earthed electrode and the workpiece This procedure allows for the creation of joints in any position in the workshop outdoors in confined areas or places that are difficult to access With the DP231C it is possible to weld any type of electrode and diameter The spark of the arc occurs by placing the electrode close to the workpiece The correct connection of the electrode clamp holder and the earth cable can be seen in the table below Front Socket Front Socket WELDING PROCESS 14 di Fig 1 12 di Fig 1 ELECTRODE CLAMP HOLDER EARTH CA BLE Always make sure that the earth and the electrode clamp holder are kept far apart 9 1 MMA WELDING Manual This mode can be accessed using switch 10 Select MMA procedure Manual OPTIONS Selecting this option will take you to the welding screen Switch 9 in fig 1 adjusts the welding current very thick workpieces require a higher current Furthermore switch 10 adjusts the parameters shown in the figure below Ready to weld STAR
34. me the torch trigger is pressed down 4t In 4 step mode pressing the torch trigger once starts the welding process press the button again to stop welding 4Bi In 4 step Bi Level mode press the torch trigger once to start welding Successively brief pressure on the trigger less than 1s makes the initial current settings slope up This sets the upslope of the welding current slope down This sets the duration of the down slope time of the welding current end current this sets the values of the welding current on completion of the downslope end time This sets the time period when the current established in the end current settings is applied post gas time This sets the gas supply time at the end of the supply of the welding current pulse mode This allows for the activation ON or deactivation OFF of the pulse welding mode when the pulse welding mode is active for a certain period of time the machine will supply the welding current and for another period of time the current defined in the background settings will be supplied The number of current pulses for a set period of time are based on the values of the frequency settings background current This sets the base current used during pulse mode pulse frequency This sets the pulse frequency when pulse welding mode is active pulse balance When pulse welding mode is active this sets the ratio between the time the welding current and the base current is
35. n the display 7 SD slot This slot covered by a special plastic cover must contain the SD Card supplied with the machine without this card the machine remains inactive and a special signal is reported on the display w Ready to weld md AEN i E820 1 SD card not present 214 temps mode AC frequency AC balance 8 USB port only for technical assistance 9 Knob for setting the main welding parameter the main welding parameter can be set with this knob Welding MMA TIG sets the welding current 11 Air grills must never be obstructed 12 dinse front connector negative pole inlet Connection socket TIG torch mode MMA Mode Ground clamp MIG Mode Ground clamp 13 Connector for remote control 14 dinse front connector positive pole inlet MMA Mode Electrode holder TIG Mode Ground clamp MIG Mode with gas Not used 15 Gas Outlet MMA Mode inactive TIG Mode Gas connection to the welding torch Internal tap positioned on TIG GAS MIG Mode with gas inactive internal tap positioned on MIG GAS 16 EUROCONNECTOR SEPARATED TROLLEY quick connector for welding torch This connector is used to supply welding gas to the torch the electrical contacts of the torch button and the welding current FIGURE 2 17 ON OFF switch turns the machine on and off 18 Input cable connection cable to the mains power equipped 19 Welding gas inlet MMA Mode Not used TIG Mode GAS connection to th
36. nected to the Euroconnector 16 offig 1 whilst the earth cable of the work piece is connected to the socket on the front 12 di fig 1 At this stage adjust the welding current using the potentiometer 9 of Fig 1 situated on the front panel The diameter of the electrode and the welding current settings must be selected according to the thickness of the workpiece 6 STRIKING AN ARC IN MIG WELDING The MIG MAG welding process is when an electric arc is created between a consumable wire and the workpiece protected within a gas atmosphere This atmosphere can be either inert Argon or active CO2 or a mixture of Argon and CO2 The wire is continuously fed through a torch by a wire feeder to the weld pool A solid wire or flux cored wire can be used The transfer methods of the filler material define different arc types SHORT ARC short circuit transfer this brings the electrode into direct contact with the weld pool which creates a short circuit that extinguishes the arc after which the arc reignites and the cycle is repeated ao corrente on as a riaccensiang ui Ln Rl we L el tensiaonea tempo Cain SPRAY ARC spray transfer this allows the droplets to detach from the tip of the electrode which successively reach the weld pool The fact the arc is visible reduces the need for the operator to strictly observe the adjustment tables allowing for direct control of the weldin
37. ous fumes FUMES AND GASES 2 NEVER weld on metals containing zinc mercury chro mium graphite heavy metals cadmium or beryllium unless the operator and the bystanders use appropriate air supplied respirators HIGH VOLTAGE PROTECTION Together with the previous instructions the following pre cautions should be strictly observed CONFINED SPACES When welding in small environments leave the power source outside the area where welding will take place and attach the grounding clamp to the part to be welded 4 A HUMIDITY Never weld in wet or humid environments A A DAMAGED CABLES Never use damaged cables This applies to both the power and the welding cables DAMAGED CABLES Never remove the unit side panels If the side panels can be opened always checked they are closed tightly before starting any work FIRE PREVENTION Together with the previous instructions the following pre cautions should be strictly observed Welding operations require high temperatures therefore the risk of fire is great WORK AREA FLOORING A A A The work area flooring MUST be fireproof CAN A A WORK AREASURFACES ts a Work benches or tables used during welding MUST have fireproof surfaces AN A WALL AND FLOOR PROTECTION The walls and flooring surrounding the welding environment must be shielded using non flammable materials This not only reduces the risk of fire but also avoids damage to the wal Is and floors during welding p
38. riate socket on the front of the device 12 of Fig 1 Insert the connector by lining up the key with the groove and turn in a clockwise direction until it stops Do not fasten too tightly 2 Connect the torch to the appropriate socket in the front of the device 16 di Fig 1 turning the connector in a clockwise direction until it stops Do not fasten too tightly Warning the machine is provided with sockets for the MIG welding torch Fig 4 This accessory has a long life time if periodical controls of the gas nozzle and the wire feeder tip are carried out Fig 4A Fig 4B These parts must be kept well cleaned and intact Replace the wire liner when the wire no longer threads correctly 5 3 CONNECTOR FOR MIG WELDING with a Spool or Push Pull torch 1 Connect the earth cable to the appropriate socket 12 of figure 1 Insert by lining up the key with the groove and turn in a clockwise direction until it stops Do not fasten too tightly 2 Connect the torch to the appropriate socket on the front of the device 16 of Fig 1 turning in a clockwise direction until it stops Do not fasten too tightly 3 Insert the connector of the torch into the appropriate female socket MIG WELDING Connect the pressure regulator to the cylinder after which attach the gas tube of the torch to the latter MIG welding is usually carried out with a constant current with a positive pole see fig 5 The MIG torch cable is con
39. rocesses EXTINGUISHER Place an approved and appropriately sized fire extinguisher in the work environment Check its working order regularly carry out scheduled inspections and ensure that all parties involved know how to use one CLEAN ENVIRONMENT A A Remove all flammable materials away from the work environment A Qh A SERIOUS DANGER 1 NEVER weld in confined spaces e g in a con tainer vehicle a cistern or a storeroom etc where toxic inflamma ble or explosive materials are or have been located or stored Cisterns in particular may still contain toxic flammable or explosi ve gases and vapours years after they have been emptied SERIOUS DANGER 2 NEVER weld a cistern that contains or has stored toxic inflammable or explosive materials They could still contain toxic flammable or explosive gases and vapours years after they have been emptied If you are obliged to weld a cistern ALWAYS passivate it by filling it with sand or a similar inert sub stance before starting any work SERIOUS DANGER 3 NEVER use the Welder to melt frozen water pipes VENTILATION Together with the previous instructions the following pre cautions should be strictly observed AN WELDING ENVIRONMENT VENTILATION Ventilate the welding environment carefully Maintain sufficient air flow to avoid toxic or explosive gas accumulation Welding processes on certain kinds or combinations of metals can generate toxic fumes In
40. s adjusts the length of the wire in the tip of the torch when the welding process comes to an end Soft start this adjusts the contact speed of the wire to obtain a soft weld spark the higher the values the lower the contact speed Hot start This sets the weld ignition current in order to achieve a softer weld spark this is generally used with the soft start option Water pump When present this turns the water system ON or OFF 4 3 Pulse synergic MIG WELDING Pulse synergic MIG welding allows obtaining a relatively cold welding bead and good penetration The low energy input makes this welding process particularly suitable for thin layers and for materials such as stainless steel and aluminium During welding with synergic adjustment the wire speed i e welding power can be adjusted with knob 9 shown in Fig 1 The other parameters are automatically adjusted to the set power depending on the type and diameter of the wire selected By turning switch 10 it is possible to choose from the different MIG MAG welding modes press the switch to select the desired option Once selected the screen with the welding wire material options will appear Select MIG MAG procedure Short arc manual Short arc synergic Pulsed arc synergic OPTIONS MIG MAG Settings that do not appear on the screen are accessible by turning switch 10 Drahttypwahl START Fe ZUR CK oo AlMg AlSi CuAl CuSi3 Inox A FeA
41. se this function contact the constructor technical support department directly 1 Control panel 2 Power control board 3 Motor control board 4 Welding process control panel 5 Power Inverter 6 Auxiliary transformer EC declaration of conformity Hereby we declare that the machines as stated below Type DP231C Conform to the EC Directives 73 23 EEC and 89 336 EEC European standard EN IEC 60974 1 This is to certify that the tested sample is in conformity with all provisions of the above detailed EU directives and product standards RoHS Compliance Declaration Directive 2002 95 ec of the European Parliament Restriction of use of certain hazardous substances in electrical and electronic equipment Type DP231C The above listed products are certified to be compliant with the rohs directive with all homogeneous component parts being controlled to ensure material contents as per the list below Cadmium 0 01 by weight Lead 0 1 by weight Mercury 0 1 by weight Hexavalent chromium 0 1 by weight Polybrominated biphenyl s pbbs 0 1 by weight Polybrominated diphenyl ethers pbdes 0 1 by weight It should be noted that under specific exempted applications where lead is used as an alloying element the following limits are applied in accordance with the regulations Copper and copper alloy parts use less than 4 by weight of each homogeneous component Steel and steel alloy parts use less than 4 by weight
42. tenance or repair operations requiring access to such areas may only be performed by constructor trained technicians 4 FOREIGN OBJECTS Never block the air vents with foreign objects and avoid any contact with liquids Clean using just a dry cloth The se safety precautions apply even when the unit is switched off A AN The upper part of the Welder was not designed to with stand heavy loads Never stand on the unit A AN A Check that all cables are appropriately gauged for the input power required by your specific Welder This precaution applies also to extension cables if used All extension cables must be straight Coiled cables can overheat becoming dange rous Twisted or coiled cables can also cause Welder malfunction WEIGHT LOADS CABLE GAUGES OVERLOAD PROTECTION A AN Check that the power source supplying the Welder carries the correct voltage and is safety protected The power switch must open all the power supply circuits If a single phase connection is used both the live and the neutral poles must be open If a three wire connection is used all three poles must be open Four wire circuits require all poles and neutral open Time delayed fuses or K standard circuit breakers should be used EARTHING uN If the Welder was not already supplied with a plug connect the earth wire first When removing the plug disconnect the earth wire last PLUG AND POWER SUPPLY Ay If the Welder already has a plug attached
43. the first letter of the name with which you want to save the work point e Ready to weld MMA Manual arc force hot start dauer hot span remote 5 Press switch 10 to confirm the selected letter 6 Repeat steps 2 and 3 to complete the name 7 Confirm the name by pressing the TICK button again From this moment onwards the work point will be memorised with its own name and displayed with the other welding procedures Meaning of the back sp button cancels the previous letter inserted K cancels the operation OK confirms the name of the work point 23 LOCKING A WORK POINT The welder can lock the functions of switch 9 and 10 so that once a work point has been saved it cannot be changed unless modified by a member of staff with a password which can be defined at the discretion of the user To proceed with locking a work point it is necessary to first enter the necessary parameters for the required welding settings Once this has been done proceed as follows 1 Press switch 9 of fig 1 for approximately 5 seconds the message in Fig A will appear Ready to weld Select the desired option on the right or push the knob to exit arc force 20 MMA hot start 20 ops dauer hot span 0 5s remote OFF Ready to weld select the desired option on the right or push the knob to exit MMA Manual arc force hot start dauer hot span remote After which select button 1
44. the values the wire speed corresponding to the second power level which is active when the values of the 2t 4t 4bi level is set to 4bi Initial final current it allows to switch up ON or down OFF mode with starting final current Initial current allows setting the value at which the welding current is brought to immediately after the striking of the electric arc Initial time allows setting the time of the current established by the Initial Current parameter In 4t 4bi mode this time is irrelevant and the initial current is kept for as long as the torch button is held down Ramp Is gt 11 allows setting the duration of the upslope of the welding current Ramp l1 gt If allows setting the duration of the downslope of the welding current Final current allows setting the value at which the welding current is brought to on completion of the downslope Final time allows setting the time of the current established by the Final Current parameter In A4t 4bi mode this time is irrelevant and the final current is kept for as long as the torch button is held down Spot welding This sets the maximum welding duration when different to 0 in seconds Pause This sets the duration of the pauses when different to 0 between two successive tacks Pre gas time This sets the gas supply time before the welding current is supplied Post gas time This sets the gas supply time after the welding current supply ends 13 Burnback Thi
45. tinguisher in the immediate vicinity Of the work area Fire extinguishers should be checked regularly LOCATION Place the Welder well away from heat sources Place the Welder in a well ventilated environment Place the Welder in a safe protected area It must not be installed outdoors Do not install the Welder in dusty environments Dust can get into the inner parts of the unit and inhibit cooling The Welder must be positioned on a flat stable surfa ce that extends further than the units own dimensions in all directions A AN A CLEAN LOCATIONS The installation area must be kept clean and dry to be sure the Welder fans do not draw in small objects or liquids Not only could the equip ment malfunction but a serious risk of fire outbreak could be created REPAIRS Never attempt to repair the Welder yourself Always refer to the manufacturer or an authorized repairer All warranty provisions will immediately become null and void if any repair or attempt to repair not specifically authorized in writing or handled by the constructor is carried out Furthermore the constructor will accept no responsibility for any malfunction or damage resulting as a conse quence of such unauthorized action TECHNICAL ASSISTANCE Ji The Welder must be taken to an authorized Technical Assi stance Centre if the equipment has been damaged in any way or if any one of the following events occurs liquid infiltration dama ge caused by falling objects
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