R-Tech Plasma50HF Plasma Cutter Owners Manual 2014.docx
Contents
1. ALL JIA Saag ile Wile Keep flammable materials away Mantenga el material combustible fuera del area de trabajo e Gardez l cart de tout mat riel inflammable e Entfernen Sie brennbarres Material e Mantenha inflam veis bem guarda dos e na 70 05001 COSi zIER CIE U KA 298 Bc A nae alol USED AND FOLLOW YOUR EMPLOYER S SAFETY PRACTICES Wear eye ear and body protection e Prot jase los ojos los o dos y el cuerpo e Prot gez vos yeux vos oreilles et votre corps e Tragen Sie Augen Ohren und perschutz Use protec o para a vista ouvido e corpo EH RO ZZ SICGERTLCF Us ORME EREBSEORIIERR ez 19 zo sare ASA did aue ule usta y cil gal Maus 9 SE RECOMIENDA LEER Y ENTENDER LAS INSTRUCCIONES DEL FABRICANTE PARA EL USO DE ESTE EQUIPO Y LOS CONSUMIBLES QUE VA A UTILIZAR SIGA LAS MEDIDAS DE SEGURIDAD DE SU SUPERVISOR LISEZ ET COMPRENEZ LES INSTRUCTIONS DU FABRICANT EN CE QUI REGARDE CET EQUIPMENT ET LES PRODUITS A ETRE EMPLOYES ET SUIVEZ LES PROCEDURES DE SECURITE DE VOTRE EMPLOYEUR LESEN SIE UND BEFOLGEN SIE DIE BETRIEBSANLEITUNG DER ANLAGE UND DEN ELEKTRODENEINSATZ DES HER STELLERS DIE UNFALLVERHUTUNGSVORSCHRIFTEN DES ARBEITGEBERS SIND EBENFALLS ZU BEACHTEN 18 Keep your head out of fumes Use ventilation or2. _ TECH WELDINGIEQUIRMENT www r techwelding co uk Tel 01452 733933 Fax 01452 733939 PLASMAS50HF PLASMA 50HF INVERTER PLASMA CUTTER OPERATION INSTRUCTIONS 2014 1 Thank you for selecting the R Tech PLASMA 50HF Inverter Plasma Cutter The PLASMA 50HF has many benefits over traditional transformer plasma cutters including infinite power control HF contact start and quick fitting cost effective torch long life cost effective torch consumables and a 60 industrial duty cycle We want you to take pride in operating our PLASMA 50HF as much pride as we have taken in making this product for you Please read all information in this manual before operation PLEASE EXAMINE CARTON AND EQUIPMENT FOR DAMAGE IMMEDIATELY When this equipment is shipped title passes to the purchaser upon receipt from the courier Consequently all claims for material damaged in shipment must be made by purchaser against the transportation company used Please record your equipment identification below for future reference This information can be found on data plate at rear of machine Product PLASMA 50HF Serial No Date of Purchase Where Purchased Whenever you request replacement parts or information on this equipment please always supply information you have recorded above This product is covered by 2 years collect and return UK warranty R Tech will cover cost of collection repair and return of item to UK mainland other area
3. sit for 5 minutes minimum to allow the power capacitors to discharge before working inside this equipment Do not touch electrically live parts The PLASMA 50HF Plasma Cutters require a 240V 50 60Hz 1 Phase supply It requires an 32A fuse It comes with a mains cable attached Connect wires according to national coding Brown wire Live Blue wire Neutral Green Yellow Wire Earth Ground Connecting to a mains electrical supply THIS MACHINE IS OF AN INDUSTRIAL SPECIFICATION AND MUST BEFITTED TOA 32AMP 240V MAINS INPUT DO NOT RUN ON 13AMP PLUG FAILURE TO RUN ON CORRECT SUPPLY WILL IN VALIDATE WARRANTY Connecting to an Engine Driven Generator If connecting this Plasma Cutter to an engine driven generator please ensure the following Minimum Generator KVA Output 12KVA continuous Generator to be fitted with AVR automatic voltage regulation DO NOT USE ON A GENERATOR WITHOUT AVR Connecting to a generator without the above minimum requirements will invalidate your warranty Connections for PLASMA 50HF Rear Machine connections Fig 1 1 Air pressure regulating knob This regulates the air pressure as displayed in gauge on front of machine To adjust pressure pull knob upwards and turn to adjust pressure once correct pressure is obtained press down knob to secure 2 Air pressure input Screw supplied PCL fitting into regulator ensuring no air leaks You can also fit other connectors to suit your needs 3 2 Earth connect
4. by proper shielding to avoid injury to passers by NM WARNING 4 IN B ARC RAYS can burn 11 10 11 12 Operating Machine Please ensure all torch consumables are tight before use Ensure machine has been setup as previously stated Turn on the machine and the power light indicates and cooling fan is running Set the function switch in the test gas position air will flow from torch head now set the air pressure in gauge using adjuster on regulator on rear of machine to 50PSI Once the correct air pressure has been set press down the adjuster on air regulator and set the function switch to the cutting position Ensure earth clamp is connected to work piece or workbench ensuring a good clean point of contact Select cutting amperage knob to desired cutting power the following guide lines will vary in accordance to material grade characteristics and user operation a 20 Amps for up to 6mm clean cut on mild steel b 30 Amps for up to 9mm clean cut on mild steel c 50 Amps for up to 18mm clean cut on mild steel when cutting aluminium alloys and stainless steel cutting thickness is reduced by approximately 20 Hold torch in starting position on work and press torch switch and the high frequency will initiate the pilot arc and contact with the work piece and machine will automatically switch to main cutting power Once you come to the end of cut on work piece the machine will sense this and turn off main cutting power and p
5. cutting power increase speed of cut or reduce cutting amperage When machine senses no metal left to cut it will switch of main cutting power and switch on HF pilot arc this is the HF pilot arc restart Water contamination in torch head check for water in water trap at rear of machine if water is present drain air compressor clean water out of air lines empty water trap by pressing water release button on bottom of air regulator water trap Fit new torch consumables as per instructions earlier in this manual 15 Plasma Torch Consumables parts list R Tech Torch Spares Plasma 50HF Part No Electrode P40 EL Cutting Tip P40 CT Ceramic Shield Cup P50 SC Stand Off Spring P40 SS Torch Head Hand Held P50 THH Torch Complete Hand Held 6M P50 6MHHT Diagram irin W PLASMASOHF DC INVERTER AIR PLASMA CUTTING MACHINE WIRING DIAGRAM r K2 POWER SWITCH amp pur INPUT cs 1 X220 230 240V Bridge Rectifier z C6 566 transformer T5 prm transformer T6 D Y 220V D RI6V D GR 20V DW 16V SOL GAS VALVE Testgas switc Kl K4 pen rj X Y W B B 20V Q 57 d w TORCH SWITCH T7 17V T R B T4 Y control PCB R Y sc w i B S PILOT PCB current regulator B R m o1 me OUTPUT G FUSEI va 964 E 31 PILOTARC T1 Temperature relay o e W B REACTOR CUTTING TORCH 13 V13 HF PCB GND N o
6. eping these contributing factors in mind installing equipment as per following instructions should minimize problems 1 Keep the welder input power lines as short as possible and enclose as much of them as possible in metal conduit or equivalent shielding There should be a good electrical contact between this conduit and ground Earth 2 Keep the work and electrode leads as short as possible Tape the leads together where practical 3 Be sure the torch and earth leads rubber coverings are free from cuts and cracks that allow welding power leakage 4 Keep earth lead connection to work in good condition Clean area on workbench where earth clamp is situated on a regular basis Input Connections Make sure the voltage phase and frequency of input power is as specified on machine rating plate located at rear of machine Have a qualified electrician provide suitable input power as per national electrical codes Make sure machine is earthed grounded Make sure fuse or circuit breaker is correct rating for machine Using fuses or circuit breakers smaller than recommended will result in nuisance shut off from welder inrush currents even if cutting at low amperages Failure to follow these instructions can cause immediate failure within the welder and void machines warranty Turn the input power OFF at the mains switch amp fuse box before working on this equipment Have a qualified electrician install amp service this equipment Allow machine to
7. exhaust to remove fumes from breathing zone Los humos fuera de la zona de res piracion Mantenga la cabeza fuera de los humos Utilice ventilaci n o aspiraci n para gases e Gardez la t te l cart des fum es e Utilisez un ventilateur ou un aspira teur pour ter les fum es des zones de travail e Vermeiden Sie das Einatmen von Schweibrauch Sorgen Sie fiir gute Be und Entl ftung des Arbeitsplatzes e Mantenha seu rosto da fuma a e Use ventilac o e exhaust o para remover fumo da zona respirat ria ta APSRMeRMTLGICLT FEL e mem e EOF R E ft RI HL Sx BE SXERTR e SzzE EHOLEA gyorg 847E HAPI Ash 244214 5575 ASSH Eel Shea oiim itl ge ue c bius Y Turn power off before servicing Desconectar el cable de ali mentaci n de poder de la m quina antes de iniciar cualquier servicio e D branchez le courant avant l entre tien e Strom vor Wartungsarbeiten abschalten Netzstrom v llig ff nen Maschine anhalten N o opere com as tampas removidas e Desligue a corrente antes de fazer servico e N o toque as partes el tricas nuas gt 9 PSM SYREATyTE PMC e YTH AHS A eteHel l 2 Ala Aj Suid Qd quil ae dall e e Do not operate with panel open or guards off No operar con panel abierto o guardas qui
8. ilot arc will re engage to stop cutting release switch Getting correct amperage cutting speed for desired job The combination of correct cutting amperage and travel speed can change per user here are some tips on obtaining optimum settings Blow back when cutting If you experience blow back and the metal is not cut all the way through you either are traveling too fast or you need to increase the cutting amperage Cutting arc is erratic and work is being cut all way through You are traveling too slow or cutting with too high amperage for work It can take a while to get used to plasma cutting if never done before Experiment with settings on some scrap material until you find the best amperage cutting speed for user If you ever have any questions on settings call us and speak to one of our experienced technicians who will be happy to help you 12 Replacing torch consumables WARNING ELECTRIC SHOCK CAN KILL Please ensure machine is turned off before changing consumables If cutting performance is poor you probably need to check change the torch consumables To change the plasma cutting consumables carry out the following procedure 1 Switch off machine 2 Ensure torch has cooled down to avoid burns 3 Unscrew the white ceramic shield cup 4 Remove the cutting tip 5 Check the condition of cutting electrode replace cutting electrode if tip is worn 1 2 mm and end is concave 6 Fit new cutting tip if
9. ion This can be used to earth the machine to workbench if you are experiencing interference from the HF Sometimes required when using CNC automated machinery Not normally used 4 Mains input cable Fit required plug as per your electrical installation 5 POWER On Off Switch Turns machine on and off the switch illuminates when machine turn on Front machine connections WORKPIECE 1 Earth Work piece connector Connect the earth lead to this connector Insert male connector into socket and twist clockwise until tight Secure other end of earth lead to work piece via the earth clamp 2 FUSE Pilot arc fuse 3 Torch power connector Connect the main torch euro socket by locating and pushing in and the screw retainer clockwise until tight Note The head of torch has a safety feature the machine will not work if protective shroud is removed Controls and Settings 4 6 1 TEST GAS 3 m CUTTING AUTO xa la AIR PRESSURE 4 STANDARD PLASMASOHF Fig 1 1 Air pressure gauge This shows the air pressure as set by regulator at rear of machine This should be set to 50PSI when the test gas button is activated 2 Amperage control knob This adjusts the amperage cutting power from 20 to 50 amps Note LED display will show cutting amperage when you are cutting 3 L E D amperage display When cutting this shows the actual cutting amperage 4 Test Gas Cutting selector switch When in the up position
10. of the output coils and rectifiers and is rated at 50 Amps at 60 duty cycle on a ten minute basis If the duty cycle is exceeded a thermal protector will shut machine off until the machine cools Technical Specifications MODEL PLASMA 50HF Power Voltage 220 240V 50 60Hz Fuse rating 32Amps Rated Output Current 50A Current Adjusting Range 20 50A No load Voltage 200V Rated Duty Cycle 60 Starting Mode HF Pilot Arc Start Air Pressure 50 PSI Max Cutting Thickness Clean cut mild steel 18mm Max Cutting Thickness Severance cut mild steel 24mm After Flow Time 10 Seconds Dimensions 390 X 190 X 290 Safety Precautions Read entire section before starting installation 9 WARNING Electric Shock can kill Only qualified personnel should perform this installation Turn off input power at the fuse box before working on this equipment Do not touch electrically live parts Always connect the machine to an earthed mains supply as per national recommended standards Select suitable location Place the plasma cutter where clean cooling air can freely circulate in and out of the front amp rear louver vents Dirt dust or any foreign material that can be drawn through vents into plasma cutter must be kept to a minimum Failure to observe these precautions can result in excessive operating temperatures which can lead to plant failure Grinding Do not direct grinding particles towards the plasma cutter An abundance of conductive mate
11. required if cutting hole is distorted or an angled cut happens replace the cutting tip 7 Refit white ceramic shield cup by screwing on hand tight 8 Turn machine back on and continue cutting 13 Maintenance Routine and periodic maintenance WARNING ELECTRIC SHOCK CAN KILL Turn the input power OFF at the mains switch amp fuse box and remove mains plug from socket before working on this equipment Have a qualified electrician install amp service this Plasma cutting equipment Allow machine to sit for 5 minutes minimum after disconnection from mains power to allow the power capacitors to discharge before working inside this equipment Do not touch electrically live parts 1 Periodically 3 6 months depending on use environment remove the side top panels of machine and clean out machine with a low pressure dry air line paying particular attention to PC Boards Fan blades and switchgear 2 Failure to maintain plant can void manufacturer s warranty 3 Inspect input and output cables amp hoses for fraying and cuts replace if damaged present 4 Keep cutting torch and earth cables in good condition 5 Clean air vents to ensure proper air flow and cooling 6 The fan motor has sealed bearings which requires no maintenance 14 Fault Diagnostics 1 Power light not lit Check machine on off switch is in the on position Check Input power to machine Check plug wiring Check mains trip fuses 2 No outp
12. rial can cause plant failure Transport Unloading Never underestimate the weight of equipment never move or leave suspended in the air above people Use recommended lifting equipment at all times Falling Equipment can cause injury Never lift plasma cutter with gas bottle attached Never lift above personnel WARNING Tilting Machine must be placed on a secure level surface or on a recommended undercarriage trolley This machine may topple over if this procedure is not followed Environmental Rating The plasma power source carries the 215 rating It may be used in normal industrial and commercial environments Avoid using in areas where water rain is around Electrical Installation WARNING ELECTRIC SHOCK CAN KILL Machine grounding and High Frequency Interference Protection This plasma cutter must be grounded to earth See national electrical codes fro proper grounding methods The high frequency generator being similar to a radio transmitter may cause interference to radio TV and other electronic equipment These problems may be the result of radiated interference Proper grounding methods can reduce or eliminate this Radiated interference can develop in the following ways 1 Direct interference from welder power source 2 Direct interference from the welding leads 3 Direct interference radiated from feedback into power lines 4 Interference from re radiation by un grounded metallic objects Ke
13. s are RTB External items torch earth lead etc are covered by 3 months warranty Any faults damage found caused by customer will be charged pro rata Pay particular attention to the safety instructions we have provided you for your protection The level of seriousness to be applied to each section is explained below WARNING This statement appears where the information must be followed exactly to avoid serious personal injury CAUTION This statement appears where the information must be following to avoid a minor personal injury or damage to this equipment Introduction The R Tech PLASMA 50HF is a member of our field acclaimed family of welding products Premium features include 1 Inverter power source more efficient to operate provides smoother weld characteristics 2 Infinite cutting power adjustment allows fine tuning of cut characteristics 3 HF Pilot start Enables easy arc start even on painted surfaces 4 HF pilot arc restart ideal for cutting mesh etc 5 Digital amp meter 6 Quick fitting torch for easy torch fitment replacement 7 Long life Low cost torch consumables 8 60 Duty cycle at 50 Amps 40 C Recommended Processes The R Tech PLASMA 50HF is recommended for the plasma cutting processes within its output capacity of 50 Amps DC Equipment Limitations The R Tech PLASMA 50HF is protected from overloads beyond the output ratings and duty cycle as per machine specifications with thermostat protection
14. tadas e N op rez pas avec les panneaux ouverts ou avec les dispositifs de protection enlev s e Anlage nie ohne Schutzgeh use oder Innenschutzverkleidung in Betrieb setzen e Mantenha se afastado das partes moventes N o opere com os paineis abertos ou guardas removidas CHEER IET ROTTE CRARN ARRAS X evo Sel Sele ZEA OMAR ja 12 Jedi Ae uas AJ gl Arias Spanish AVISO DE PRECAUCION French ATTENTION German WARNUNG ATENCAO BIR Chinese Korean LEIA E COMPREENDA AS INSTRU ES DO FABRICANTE PARA ESTE EQUIPAMENTO E AS PARTES DE USO E SIGA AS PR TICAS DE SEGURANCA DO EMPREGADOR 2 5 RA SL EB EE ME DE RULER R R BO OE TE o Eo See HAAA Aem ZIA ESSA sign Dax 248 01 Jub al gll dg gail ghall clauis gaat fl 19
15. this is test gas mode when setting air pressure switch to test gas so you obtain actual air flow cutting pressure When in the down position this is cutting mode you can now start cutting 5 Auto Standard switch When in the down position this is in standard cutting mode this is the normal operating position for plasma cutting with a hand held and machine type torch When in the up position this is in auto mode 4T this is for special applications when using automated machinery 6 Indication of too low air pressure The led will be shown when the air pressure is less than 26psi and the machine will not work Adjust pressure to correct 50 led will go out and you can resume cutting 10 Operating machine SAFETY PRECAUTIONS WARNING ELECTRIC SHOCK CAN KILL Do not touch electrically live parts or electrode with skin or wet clothing Insulate yourself from work and ground Always wear dry insulating gloves rtg 1 AIMER 2 b 2 ey eee m EIE b ik 15 AM FUMES AND GASES be dangerous Keep your head out of fumes amp gases produced from welding Use ventilation or exhaust to remove fumes amp gases from breathing zone and general area WARNING WELDING SPARKS cause fire explosion Keep flammable material away from work area Do not weld on containers that have held combustibles 4 Wear eye ear and body protection Make sure work area is protected
16. ut Fan runs Power light is lit Check torch connections are secure and torch switch operation try replacing plasma cutting torch 3 No output Power light is lit Warning light is lit Welding application may have exceeded recommended duty cycle allow machine to cool down until the warning light goes out 4 No output Power light is lit Air at torch tip No Pilot Arc Check condition of torch consumables and replace if worn Check pilot arc protecting fuse on front panel of machine and replace if blow If fuse keeps blowing contact R Tech for repair replacement torch Please ensure machine is switched off before checking fuses Check for water in water trap at rear of machine if water is present drain air compressor clean water out of air lines empty water trap by pressing water release button on bottom of air regulator water trap Fit new consumables as per instructions earlier in this manual HF PCB Failure Contact R Tech for repair 5 Machine keeps overheating Warning light is lit on machine Check if fan is running if not contact R Tech for repair Check the cooling vents for obstruction blow out machine with clean dry low pressure air supply Check for adequate ventilation around machine 6 Erratic cutting Torch spitting when cutting Check torch consumables and replace if necessary as per instructions earlier in this manual Check if correct amperage for thickness of metal if to slow travel speed or to much
17. ver heat power warming m K6 XI 33 relay RB GRG Y GR GR G G2 B p ug Wo 93 PS R equal Red Y equal Yellow G equal Green Bl equal Blue W equal White B equal Black Br equal Brown O equal Orange Gr equal Gray D DOUBLE 17 Spanish AVISO DE PRECAUCION French ATTENTION German WARNUNG ATENCAO Japanese AE BIR Korean READ AND UNDERSTAND THE MANUFACTURER S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES T0 BE e Do not touch electrically live parts or electrode with skin or wet clothing Insulate yourself from work and ground No toque las partes o los electrodos bajo carga con la piel o ropa moja da e Aislese del trabajo y de la tierra e Ne laissez ni la peau ni des v te ments mouill s entrer en contact avec des pi ces sous tension e Isolez vous du travail et de la terre e Beriihren Sie keine stromf hrenden Teile oder Elektroden mit Ihrem K rper oder feuchter Kleidung e Isolieren Sie sich von den Elektroden und dem Erdboden e N o toque partes el tricas e elec trodos com a pele ou roupa molha da e Isole se da pega e terra RAHE FRPRKNEATMHEYTE e E RASUCB sk dou An ERR EE UE F amp r B c E ERES Heg ae se st zig Boy HFA ole e 2719 HAE Heal ule JUI Yat gay uil sl jay oua y e Ji stay 25 gl cil ppc
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