R-Tech P30C Plasma Cutter Owners Manual - R
Contents
1. TEGH WELDING www r techwelding co uk Email sales r techwelding co uk Tel 01452 733933 Fax 01452 733939 PLASMA30C Cm PLASMA 30C INVERTER PLASMA CUTTER OPERATION INSTRUCTIONS Version 2014 1 3 Thank you for selecting the R Tech Plasma 30C Inverter Plasma Cutter The Plasma 30C 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 35 industrial duty cycle We want you to take pride in operating our Plasma 30C 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 30C 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 our 2 year collect and return UK warranty R Tech will cover costs of collecting and return2. and work is being cut all way through You are traveling too slow fast or cutting with too high low 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 13 Replacing torch consumables WARNING AN 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 a Boo N Switch off machine Ensure torch has cooled down to avoid burns Unscrew the white ceramic shield cup Remove the cutting tip Check the condition of cutting electrode replace cutting electrode if tip is worn 1 2 mm and end is concave Check condition of gas distributor insulator ring replace if warn cracked Fit new cutting tip if required if cutting hole is distorted or an angled cut happens replace the cutting tip Refit white ceramic shield cup by screwing on hand tight Turn machine back on and continue cutting 14 Maintenance Routine and periodic maintenance WARNING AN ELECTRIC SHOCK CAN KILL Turn the input power OFF at the mains switch amp fuse box and remove mains plug fro
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4. Capability Duty Cycle The R Tech Plasma 30C is rated at 30 Amps at 35 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 30C Power Voltage 220 240V 50 60Hz Input Current 10 5amps leff 13amp fuse slow blow Rated Output Current 30A Current Adjusting Range 15 30A No load Voltage 200V Rated Duty Cycle 35 Working Mode HF Contact Start Air Pressure 50 PSI Max Cutting Thickness Clean cut mild steel 8mm Max Cutting Thickness Severance cut mild steel 12mm After Flow Time 10 Seconds Dimensions 390 X 190 X 290 5 Safety Precautions Read entire section before starting installation WARNING AN 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
5. Do not direct grinding particles towards the plasma cutter An abundance of conductive material can cause plant failure Stacking This machine cannot be stacked 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 WARNING AN Falling Equipment can cause injury Never lift plasma cutter with gas bottle attached Never lift above personnel 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 IP21S rating It may be used in normal industrial and commercial environments Avoid using in areas where water rain is around 6 Electrical Installation 3 WARNING AN 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 l
6. Plasma 60 80 100 HF Electrode P60100 EL Cutting tip 0 8mm 30 Amp P60100 CT08 Cutting tip 1 1mm 60 Amp P60100 CT11 Cutting tip 1 3mm 80 Amp P60100 CT13 Cutting tig 1 5mm 100 Amp P60100 CT15 Shroud P60100 SH Torch Head hand held P60100 THH Torch Head Machine P60100 THM Torch Complete 6m Hand Held P60100 6MHHT Torch Complete 6m Machine type P60100 6MMTT Plasma torch switch TS1 WARNING Spanish AVISO DE PRECAUCION French ATTENTION German WARNUNG ATENCAO Japanese HE BIR 17 Do not touch electrically live parts or electrode with skin or wel clothing Insulate yourself from work and ground No toque las partes 0 los electrodes bajo carga con la piel o ropa moja da e Aislese del trabajo y de la tierra Ne laissez ni la peau ni des v te ments mouill s entrer en contact avec des pi ces sous tension Isolez vous du travail et de la terre e Ber hren Sie keine slromt hrenden Teile oder Elektroden mit Ihrem K rper oder feuchter Kleidung e isolieren Sie sich von den Elektroden und dem Erdboden Nao ioque partes el tricas e elec trodos com a pele ou roupa molha da e Isole se da pe a e lerra Sua MARHE 7 amp hidtcouin amp 5tvect eklVeory AbD5E amp R amp BDiES NCOSRICL TRA Chinese Korean Arabic e BLERECB ICA DEBRERER eiSfgB CRHRALH BR o UTAHO SESE SR SU tE Se Ba Ysa Ag ez HAE YAX oA JUS YA gy ill pay gual ye I papell Slay 24 SOY j
7. eads 3 Direct interference radiated from feedback into power lines 4 Interference from re radiation by un grounded metallic objects Keeping 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
8. i ph sii pudu SY Gadel dax DE caus ile Y io oe Keep flammable materials away Mantenga el material combustible uera del rea de trabajo Wear eye ear and body protection Prot jase los ojos los ofdos y el cuerpo Gardez l cart de tout mat riel inflammable Enifernen Sie brennbarres Material e Mantenha inflam veis bem guarda dos BAOTOENONTOBEER BAC LTLEH ECA e X gHnTes s HL EB ec EEE Ho Alla gag yy OM uo SAGAS GYM o gti a e Prot gez vos yeux vos oreilles et volre corps Tragen Sie Augen Ohren und K r perschutz Use prote o para a vista ouvido e corpo B FRUSBCRMARELTE EY RER XKAR2SBWX ZBBR ec WY So Sars SOWA diy Gye uie Lily yada cl yl aoe E READ AND UNDERSTAND THE MANUFACTURER S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES TO BE USED AND FOLLOW YOUR EMPLOYER S SAFETY PRACTICES 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 Kee
9. ing item to you within UK mainland 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 AN 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 4 Introduction The R Tech Plasma 30C is a member of our field acclaimed family of welding products Premium features include Inverter power source more efficient to operate provides smoother weld characteristics Infinite cutting power adjustment allows fine tuning of cut characteristics HF start Enables easy arc starting Digital amp meter Quick fitting torch for easy torch fitment replacement Long life Low cost torch consumables 35 Duty cycle at 30 Amps 40 C NOaORWN gt Recommended Processes The R Tech Plasma 30C is recommended for the plasma cutting processes within its output capacity of 30 Amps DC Equipment Limitations The R Tech Plasma 30C is protected from overloads beyond the output ratings and duty cycle as per machine specifications with thermostat protection of the output coils and rectifiers Cutting
10. ion 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 workpiece 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 20 Amps for up to 6mm clean cut on mild steel 30 Amps for up to 8mm 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 contact with the workpiece and machine will automatically switch to main cutting power Once you come to the end of cut workpiece the machine will sense this and turn off main cutting power to start cutting again release switch and press again 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
11. m 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 Failure to maintain plant can void manufacturer s warranty Inspect input and output cables amp hoses for fraying and cuts replace if damaged present Keep cutting torch and earth cables in good condition Clean air vents to ensure proper air flow and cooling The fan motor has sealed bearings which requires no maintenance 15 FAULT DIAGNOSTICS 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 No output Fan runs Power light is lit Check torch connections are secure and torch switch operation try replacing plasma cutting torch 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 No output Power light is lit Air at torch tip No cutting Check condi
12. p your head ou of tumes Use ventilation or exhaust to remove tumes from breathing zone Turn power off belore servicing 18 Do not operate with panel open or guards off Los humos fuera de la zona de res piraci n e Mantenga la cabeza fuera de los humos Utilice ventilaci n o aspiraci n para gases Gardez la t te l carl des fum es e Utilisez un ventilateur ou un aspira leur pour ter les fum es des zones de travail Vermeiden Sie das Einatmen von Schweibrauch Sorgen Sie fiir gute Be und Entl ftung des Arbeilsplalzes e Manlenha seu rostlo da fuma a Use ventila o e exhaust o para remover fumo da zona respirat ria eti hb5HBtRNi5cuC Feu ORCI OHELTFSU Desconectar el cable de ali mentaci n de poder de la m quina antes de iniciar cualquier servicio D branchez le courant avant lenire lien No operar con panel abierto o guardas quitadas N op rez pas avec les panneaux ouverts ou avec les dispositis de protection enlev s Strom vor Warlungsarbeiten abschalten Netzstrom v llig Off nen Maschine anhallen WARNING Spanish AVISO DE PRECAUCION French ATTENTION Anlage nie ohne Schutzgeh use oder Innenschutzverkleidung in Betrieb setzen Nao opere comas tampas removidas Desligue a corrente antes de fazer servico N o loque as partes el tricas nuas XLZTTLZASU UACRUD PORK KI
13. 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 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 30C Plasma Cutters require a 240V 50 60Hz 1 Phase supply It requires an 13A supply 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 an Engine Driven Generator If connecting this Plasma Cutter to an engine driven generator please ensure the following Minimum Generator KVA Output 5KVA 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 in validate your warranty Connections for Plasma 30C Rear Machine connections Fig 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 Set air pressure to 50psi when test gas switch is pressed On Off Switch Turns machine on and off the switch illuminates when machine turned on Mains input cable Fit required plug as per your elec
14. test gas so you obtain actual air flow cutting pressure Power on light This lights when machine is switched on Warning light overheat light This lights when machine has overheated allow to cool and light to go out before using again if problem persists see troubleshooting later in this manual L E D amperage display When cutting this shows the actual cutting amperage Air pressure gauge Displays in PSI 11 Operating machine SAFETY PRECAUTIONS WARNING AN 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 WARNING AN FUMES AND GASES can 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 AW WELDING SPARKS can cause fire or explosion WARNING Keep flammable material away from work area Do not weld on containers that have held combustibles Z WARNING N MES ARC RAYS can burn Wear eye ear and body protection Make sure work area is protected by proper shielding to avoid injury to passers by 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 posit
15. tion of torch consumables and replace if worn 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 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 Erratic cut 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 travel speed is too fast or to not enough 16 cutting power for job 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 consumables as per instructions earlier in this manual Plasma Torch Consumables parts list R Tech Torch Spares Plasma 30C Part No Electrode P30 EL Cutting Tip P30 CT Ceramic Shield Cup P30 SC Gas distributor insulator ring P30 GD Torch Head Hand Held P40 THH Torch Complete Hand Held 6M P40 6MHHT
16. trical installation Air inlet connector Connect output hose from air regulator to this air input into machine ensuring hose clip is secured tightly 2 Earth connection 1 9 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 Air regulator water drain thumb screw If regulator fills with water unscrew this thumbscrew slowly to drain of water screw back tight once drained Air pressure input Screw supplied PCL fitting into regulator ensuring no air leaks You can also fit other connectors to suit your needs Front machine connections Fig 2 Earth Workpiece connector Connect the earth lead negative to this connector Insert male connector into socket and twist clockwise until tight Secure other end of earth lead to Workpiece via the earth clamp Torch switch socket Connect the torch switch plug 4 pin and screw on retaining ring to secure Torch power connector Connect the main torch cable by screw clockwise until tight 10 Controls and Settings 1 s 2 Current TEST GAS Cl PLASMA30C E 3 4 2 Amperage control knob This adjusts the amperage cutting power from 15 to 30 amps Note LED display will show cutting amperage when you are cutting Test Gas Cutting selector switch When in the up position this is test gas mode when setting air pressure switch to
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