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1. Art 12665 Overview connectors PCB MAPRO401 Designation Xi Connector flat ribbon cable to PCB DRVO4 X2 Notused Table 6 19 TROUBLESHOOTING 6 24 Manual 0 5359 ARCMASTER 401MST POWER SOURCE 6 4 The PCB BF04 is the front panel of the ArcMaster 401 MST The front panel is a participant of the internal CAN bus All data informations and values are transmitted via the CAN bus Functions Operating the machine Display of parameters and malfunction codes Picture PCB BF04 B B Art A 12666 Schematic X3 14 H oda ne O 12V 20V 5 12 115V AC X5 2 D Art A 12667 Manual 0 5359 6 25 TROUBLESHOOTING ARCMASTER 401MST POWER SOURCE 7 PCBADP10 The CAN bus that is available at the 14 pin remote control socket at the rear side must be electrically separated from the internal CAN bus The PCB ADP10 is used for a potential separation of the CAN bus Picture PCB ADP10 m l ENO O 2
2. Part Number Manual 0 5287 TWECO LIMITED WARRANTY TERMS LIMITED WARRANTY Tweco Inc A Victor Technologies Company warrants to customers of its authorized distributors hereafter Purchaser 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 Tweco products as stated below Tweco shall upon notification thereof and substantiation that the product has been stored installed oper ated and maintained in accordance with Tweco s specifications instructions recommendations and recognized standard industry practice and not subject to misuse repair neglect alteration or accident correct such defects by suitable repair or replacement at Tweco s sole option of any components or parts of the product determined by Tweco to be defective TWECO 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 TWECO SHALL NOT UNDER ANY CIRCUMSTANCES BE LIABLE FOR SPECIAL INDI RECT OR CONSEQUENTIAL DAMAGES SUCH AS BUT NOT LIMITED TO LOST PROFITS AND BUSINESS INTER RUPTION The remedies of the Purchaser set forth herein are exclusive and the liability of Tweco with respect to any contract or anything done in connection therewit
3. Clai lectrode de carbone et jet Clair d air proc d Sombre poudage al arc au plasma proced PAW age plasma proc d mE Courant Gamme Num ro de teinte arc d intensit recommand e amp res minimum Confort 10 12 14 11 12 10 12 14 12 638 10 12 14 4 5 8 9 7 8 10 11 7 10 10 10 8 8 10 10 11 6 8 10 11 4 5 6 8 8 9 10 A En r gle g n rale commencer avec une teinte plus fonc e pour voir la zone de soudage R duire ensuite progressivement vers la teinte qui permet de voir la zone de soudage sans d passer le minimum Lors du oudage du coupage ou du brasage au gaz oxyg n la torche ou le fondant produit une m u lumi re jaune il est pr t rable d utiliser un fi de la lumi re visible SAFETY INSTRUCTIONS AND WARNINGS re qui absorbe cette lumi re jaune ou le sodium 1 10 spectre Manual 0 5359 Portez des lunettes de s curit approuv es Des crans lat raux sont recommand s Entourez l aire de soudage de rideaux ou de cloisons pour prot ger les autres des coups d arc ou de l blouissement avertissez les observateurs de ne pas regarder l arc Portez des v tements en mat riaux ignifuges et du rables laine et cuir et des chaussures de s curit Portez un casque antibruit ou des bouchons d oreille approuv s lorsque le niveau de bruit est lev 2 AVERTI
4. 1 1 1 01 Arc Welding MAZANJE oa eni vaja pona en 1 1 1 02 General Safety Information for Victor Regulator 1 5 1 03 Principal Safety Standards a 1 7 1 04 Symbol Chalrt 1 8 1 05 Precautions De Securite En Soudage 1 9 1 06 Dangers relatifs au soudage l arc 1 9 1 07 X Informations G n rales de S curit 1 14 1 08 Principales Normes De Securite 1 16 1 09 Graphique de Symbole initie 1 17 SECTION 2 INTRODUCTION eec 2 1 2 01 How Use This Manual rm 2 1 2 02 Equipment Identification L oba poka 2 1 203 EGP IMEN vajina nani ena kaki aaa klana rana 2 1 2004 k u a ird 2 2 2 05 User R SpoOsiIDIliIy 2 2 206 Nonsporo dtes sedis rats en 2 2 2107 SI EI ns used 2 2 SECTION 3 SAFETY AND INSTALLATION 3 1 3 01 BIET APTE UN 3 1 3 02 Speci
5. Weld Parameter Descriptions WELD V This parameter operates the MIG weld arc voltage in MIG mode INDUCTANCE This parameter operates the INDUCTANCE when MIG welding It controls the dynamic properties of the arc in dip transfer welding mode When this parameter is set to 0 i e minimum inductance the arc has a fast response with a resulting crisp arc noise and coarse spatter When this parameter is set to 200 i e maximum inductance the arc has a slow response with a resulting soft arc and fine spatter NOTE As the INDUCTANCE is increased the WELD V may need to be adjusted to achieve the desired weld characteristic HOT START This parameter operates in Stick and TIG modes Hot start can subtract 50 of the weld current during arc starts some times desirable in TIG welding or add up to 200 of weld current during arc starts helping with low hydrogen electrode ignition WELD A This parameter operates the Stick Gouging and TIG weld current ARC FORCE CONTROL This parameter operates in STICK mode only and is used to adjust percentage increase in welding current and is proportional to arc length arc voltage This control provides an adjustable amount of arc control or dig This feature can be particularly beneficial in providing the operator with the ability to compensate for variability in joint fit up in certain situations with particular electrodes e g cellulose and hydrogen controlled electrodes In a
6. L miz SI2 SI4 Schematic O Art A 12668 TROUBLESHOOTING 6 26 Manual 0 5359 ARCMASTER 401MST POWER SOURCE ircuit Diagram 6 16 av L9pcL V uv 1 LISX 9 SX 8 SX VAT TT EX TT EX win T EX quano l mm C 0TX l l l l mm Tyl o mla l a C CX l 0 lt I d o E SX S oa l i 9 A mn S EX i v Ex IPW D 2 Qin EX 7X sayseyuauaig 5 7 EX l I Jaysepuaueig V 5 L L H I 1 l gt lt XM DVAbZ 1 TROUBLESHOOTING 6 27 Manual 0 5359 ARCMASTER 401MST POWER SOURCE Legend for Circuit Diagram Pos Designation PCB SF02 E PCB DRV 04 E PCB DC01 E 6 8 Diode 400V 2x105AISOTOP O 9 PCB BG MAPRO 401 PCB DC01 ADP10 E 1 12 1 2 3 1 Transformer WA 13000063 400A 10 1 Table 6 20 TROUBLES
7. ARCMASTER 401MST Service Manual 208 230V TEJ 50 63 ES 09 OMH Issue Date November 11 2014 Art A 12449 AC Manual No 0 5359 ECU WE APPRECIATE YOUR BUSINESS Congratulations on receiving your new Tweco product We are proud to have you as our customer and will strive to provide you with the best service and support in the industry This product is backed by our extensive warranty and world wide service network We know you take pride in your work and we feel privileged to provide you with this high performance product that will help you get the job done For more than 75 years Tweco has provided quality products you can trust when your reputation is on the line YOU ARE IN 6000 COMPANY Tweco is a Global Brand of Arc Welding Products for Victor Technologies Inc We distinguish ourselves from our competition through market leading innovation and truly dependable products that will stand the test of time We strive to enhance your productivity efficiency and welding performance enabling you to excel in your craft We design products with the welder in mind delivering advanced features durability ease of use and ergonomic comfort Above all we are committed to a safer working environment within the welding industry Your satisfaction with this product and its safe operation is our ultimate concern Please take the time to read the entire manual especially the Safety Precaution
8. Schematic PCB RELO1 Manual 0 5359 1 2 230V X1 3 0V Art A 12657 B PwrUn2 phase detect mains detect Art A 12658 TROUBLESHOOTING ARCMASTER 401MST POWER SOURCE 2 PCB DRVO4 Functions Primary driving of the transformer Capture primary input current Measuring temperatures Generating internal supply voltages Driving fans Switching power up relays PE monitoring Coding power unit Monitoring mains voltage Monitoring bus voltage LEDs LED Designation 1 red Blinking 1 Hz Normal operation Blinking 3 Hz When switching off the machine no mains voltage present DSP not programmed 3 3V supply voltage is missing Table 6 13 Setting DIP switch Multi voltage Non multi voltage 230V mains power units parallel 400V mains power units in row Table 6 14 Measuring points Designation Measuring Point Rest Bus voltage X14 1 Uz ca 580 V DC __ Supply voltage 24V X6 1 24V ME Supply voltage 16V primary X5 1 16V DC U __ Supply voltage 16V X6 2 16V DC oma X6 4 Table 6 15 TROUBLESHOOTING 6 18 Manual 0 5359 ARCMASTER 401MST POWER SOURCE Overview Connectors PCB DRV04 Connector Designation Connector flat ribbon cable to PCB 401 Connector fan Connectin
9. 6 6 6 05 Temperature Monitoring zana kina kana ia 6 7 6 06 Monitoring BUS Voltage i dai ka kaka lada 6 8 607 Monitoring Q tput VOA U U 6 10 6 08 6 11 6 09 Monitoring Welding Current 6 12 6 10 Open Circuit Voltage Generator amp 6 13 6 11 FaN CONTON aranira 6 13 6 12 Monitorning Mains LLL LAL u s 6 14 613 Machine CG nfigurdlion u u nan es 6 14 6 14 Monitoring Primary Input Current tentat 6 16 DO VENIT ue 6 17 6 16 Circuit diod dka peda 6 27 SECTION 7 REPLACEMENT PARTS 1 1 7 01 401MST Power Source Spare Parts 7 1 TWECO LIMITED WARRANTY TERMS Inside Rear Cover This Page Intentionally Blank ARCMASTER 401MST POWER SOURCE SECTION 1 SAFETY INSTRUCTIONS AND WARNINGS A WARNING PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH KEEP CHILDREN AWAY PACEMAKER WEARERS KEEP AWAY UNTIL CONSULTING YOUR DOCTOR DO NOT LOSE THESE INSTRUCTIONS
10. 10 400A 3 phase Effective Input Current her note2 40A 208V 1 phase 38 1A 230V 1 phase 20A 460V 1 phase 26 6A 208V 3 phase 24 6A 230V 3 phase 14 3A 460V 3 phase Maximum Input Current Im Generator Reguirement note4 84 7A 208V 1 phase 76 2 230V 1 phase 40 1A 460V 1 phase 49 1A 230V 3 phase 53 2A 208V 3 phase 28 6A 460V 3 phase 14 40kW STICK SMAW Welding Output 40 C 10 min Lift TIG GTAW Welding Output 40 C 10 min 300A 22 32V 1 phase 230A 60 29 2V 1 phase 180A Q 100 27 2V 1 phase 300A 25 22V 1 phase 230A 60 19 2V 1 phase 180A Q 100 17 2V 1 phase 400A Q 25 36V 3 phase 300A 60 32V 3 phase 220A 100 28 8V 3 phase 400A Q 25 26V 3 phase 300A 60 22V 3 phase 220A 100 18 8V 3 phase MIG amp FCAW GMAW FCAW Welding Output 40 C 10 min 300A Q 25 29V 1 phase 230A Q 60 25 5V 1 phase 180A Q 100 23V 1 phase 400A Q 2595 34V 3 phase 300A 60 29V 3 phase 220A Q 100 25V 3 phase Open Circuit Voltage 80V DC Protection Class IP23S SAFETY AND INSTALLATION Table 3 1 Specification 3 2 Manual 0 5359 ARCMASTER 401MST POWER SOURCE NOTE Note 1 Due to variations that can occur in manufactured products claimed performance voltages ratings all capacities measurements dimensions and weights quoted a
11. Manual 0 5359 6 9 TROUBLESHOOTING ARCMASTER 401MST POWER SOURCE 6 07 Monitoring Output Voltage The output welding voltage is measured directly by the DSP of the MAPRO401 If a voltage gt 100V DC is measured for longer than 200ms the machine stops with F06 00 Overvoltage secondary In case that the FPGA is measuring the too high voltage the machine stops with 06 07 Overvoltage secondary FPGA The output voltage is measured directly at the secondary diodes via X5 7 of the MAPR0401 Schematic MAPROA01 Art A 12648 If there is no output voltage when the power unit is started via X5 7 the machine stops with 09 00 Voltage measuring When switching on the machine the power unit is activated shortly and the output voltage is measured If there is no output voltage during driving the power unit the machine stops with 72 00 Power unit error Startup The reason can be a fault in the measuring path or a fault in the primary driver e g interchanged transformer wires at the PCB 5 02 The output voltage is also checked directly at the welding socket during initialisation If the inverter doesn t create an output voltage the machine also stops with E40 00 If the machine is used deviating from the normal welding characteristic the machine stops after certain times at too high output voltages with 78 01 Overload f the temperature of the heat sink at that time is too high gt 55 C the machine shows also 01 Overte
12. The configuration of the DRV04 is send by the primary DSP to the MAPRO401 If no configuration data are received from the primary DSP the machine stops with E30 04 Configuration primary The error code is also shown if the settings of the DIP switch does not match to the measured system configuration 230V Multivoltage If the configuration of the encoding resistors on the DRV04 does not match to the actual present operating system software the machine stops with 30 06 Configuration software The configuration type of the front panel is send by the front panel itself to the MAPRO401 If the type of the front panel does not match to the saved machine configuration the machine stops with E30 08 Configuration front panel Manual 0 5359 6 15 TROUBLESHOOTING ARCMASTER 401MST POWER SOURCE 6 14 Monitoring Primary Input Current The primary input current is measured directly from the FPGA of the MAPRO401 If the input current gets gt 60A for a certain time the machine stops with E32 04 IPMax Error If the input current exceeds the absolute maximum limit of 80A the machine stops with E32 01 Overcurrent FPGA Schematic Art A 12656 TROUBLESHOOTING 6 16 Manual 0 5359 6 15 PCB Connectors 1 PCB RELO1 Functions Switching the power modules in series or parallel Mains detection Phase detection Switching supply for control transformer Picture PCB RELO1 ARCMASTER 401MST POWER SOURCE
13. guidance is given in IEC 60974 10 Arc Weld ing Equipment Installation and use under preparation B Assessment of Area Before installing welding equipment the user shall make an assessment of potential electromagnetic problems in the surrounding area The following shall be taken into account 1 Other supply cables control cables signalling and telephone cables above below and adjacent to the welding equipment Radio and television transmitters and receivers Computer and other control equipment Safety critical equipment e g guarding of in dustrial equipment The health of people around e g the use of pacemakers and hearing aids Equipment used for calibration and measure ment The time of day that welding or other activities are to be carried out The insulation of other equipment in the environ ment the user shall ensure that other equipment being used in the environment is compatible this may require additional protection measures The size of the surrounding area to be considered will depend on the structure of the building and other activities that are taking place The surrounding area may extend beyond the boundaries of the premises SAFETY AND INSTALLATION ARCMASTER 401MST POWER SOURCE C Methods of Reducing Electromagnetic Emissions taken to prevent the earthing of the workpiece 1 Main Power Supply increasing the risk of injury to users or damage Welding equipment should be conne
14. nese ihan 00 i 60 160 10 11 and Flux Cored Arc Welding 160 250 10 12 FCAW 250 550 10 14 Gas Tungsten arc Welding hamou n GTAW 50 150 8 12 150 500 10 14 Less than _ Light 10 12 Air Carbon Arc Cutting Heavy 200 11 14 Less than 20 6 6to 8 20 100 8 10 Plasma Arc Welding PAW 100 400 10 12 400 800 11 14 Less than 20 4 4 20 40 5 5 40 60 6 6 Plasma Arc Cutting PAC 60 80 8 8 80 300 8 9 300 400 9 12 400 800 10 14 As a rule of thumb start with a shade that is too dark to see the weld zone Then go to a lighter shade which gives sufficient view of the weld zone without going below the minimum In oxyfuel gas welding cutting or brazing where the torch and or the flux produces a high yellow light it is desirable to use a filter lens that absorbs the yellow or sodium line of the visible light spectrum SAFETY INSTRUCTIONS AND WARNINGS 1 2 Manual 0 5359 Keep your head out of the fumes Do not breathe the fumes Ifinside ventilate the area and or use exhaust at the arc to remove welding fumes and gases If ventilation is poor use an approved air supplied respirator Read the Material Safety Data Sheets MSDSs and the manufacturer s instruction for metals consumables coatings and cleaners Work in a confined space only if it is well ventilated or while wearing an air supplied respirator Shielding gases used for welding can displace air causing injury or death Be
15. Current 100 Welding current 11 Arc ignition Briefly touch the workpiece at the point to be welded using the electrode and lift the electrode a little The arc burns between the workpiece and the electrode Manual 0 5359 4 11 OPERATION ARCMASTER 401MST POWER SOURCE Graphic for SMAW STICK Current H Welding current ISt Hot start current t Time tSt Hot start time 1 tSt Art 12457 t gt Figure 4 6 STICK Current Routing Diagram w Positive Welding gt Terminal Negative Welding Terminal J EN Work Lead Art A 12551 Figure 4 7 Setup for STICK SMAW Welding OPERATION 4 12 Manual 0 5359 ARCMASTER 401MST POWER SOURCE 4 05 Setup for MIG GMAW Welding with Gas Shielded MIG Wire A wire feeder optional is required for MIG welding NOTE NOTE 1 The operations required may differ depending on the version and the configuration of the wirefeeder NOTE 2 Please read the wirefeeder operating manual Power Source Connections A B Remove all packaging materials Do not block the air vents at the front or rear of the Power Source Connect the work lead to the negative welding terminal positive welding terminal for flux cored electrode wire If in doubt consult the electrode wire manufacturer Welding current flows from the Power Source via dinse type connectors It is essential however that the male plug is inserted an
16. High Temperature Burnback Time Protective Earth Fault Indicati Ground Inches Per Line Arc Force Power r 15V 15A Receptacle Rating Voltage Input TON Auxiliary Power Art A 04130_AB Note For environments with increased hazard of electrical shock Power Supplier bearing the mark conform to EN50192 when used in conjunction with hand torches with exposed tips if equipped with properly installed standoff guides Yx Cannot be disposed with household garbage SAFETY INSTRUCTIONS AND WARNINGS 1 8 Manual 0 5359 ARCMASTER 401MST POWER SOURCE 1 05 Precautions De Securite En Soudage A L arc A MISE EN GARDE LE SOUDAGE A L ARC EST DANGEREUX PROTEGEZ VOUS AINSI QUE LES AUTRES CONTRE LES BLESSURES GRAVES POSSIBLES OU LA MORT NE LAISSEZ PAS LES ENFANTS S APPROCHER NI LES PORTEURS DE STIMULATEUR CARDIAQUE A MOINS QU ILS N AIENT CONSULTE UN MEDECIN CONSERVEZ CES INSTRUCTIONS LISEZ LE MANUEL D OPERATION OU LES INSTRUCTIONS AVANT D INSTALLER UTILISER OU ENTRETENIR CET EQUIPEMENT Les produits et proc d s de soudage peuvent sauser des blessures graves ou la mort de m me que des dom mages au reste du mat riel et la propri t si l utilisateur n adh re pas strictement toutes les r gles de s curit et ne prend pas les pr cautions n cessaires En soudage et coupage des pratiques s curitaires se sont d velopp es suite l exp rience pass e Ces pratiques doivent tre apprises par t
17. Pg 6 12 E18 01 Overload The power unit was Let machine cool down in standby overloaded usage deviating Refer to Monitoring Output Voltage on from nomal welding Pg 6 10 characteristic An 01 is generated additionally if the temperature of the heat sink is gt 55 C E22 03 Undervoltage Startup During startup the bus Check mains and bus voltage voltage 0 gc check wiring between DRV04 X6 and minimum e MAPRO X7 Refer to Monitoring Bus Voltage on Pg 6 8 E25 01 OCV generator At startup no open circuit Check wiring between power unit and voltage could be measured DC01 X2 Check wiring between DCO1 X2 and MAPRO X5 Check output sockets for short circuit Refer to Open Circuit Voltage Generator amp VRD on Pg 6 13 Manual 0 5359 6 3 TROUBLESHOOTING ARCMASTER 401MST POWER SOURCE Code Error Cause Possible Remedy E30 00 Configuration At startup the configuration Switch machine off and again CE of the machine could not Check wiring between DRV04 X6 and E30 04 Configuration primary read correctly 6 Refer Machine Configuration Pg 6 14 E30 06 Configuration Software The actual software does not Re programm machine with correct match to the hardware of the software version machine E30 07 Configuration VRD The VRD voltage was re This is only a status message saved in programmed error memory w
18. Power Source To make connections align keyway insert plug and rotate threaded collar fully clockwise e A B 24AVACConador Connect A amp B gt contactor enable Remote return common Min Common Chassis ground M Arc established Relay contact between M amp N will close while welding is active N Amnesia T Table 4 1 14 Pin Interconnection Control Plug Configuration 401MST OPERATION 4 4 Manual 0 5359 ARCMASTER 401MST POWER SOURCE 14 19 Pin Remote Control Socket The 19 pin Remote Control Socket is used to connect Remote Control devices or wire feeders that use a 19 pin connection to the welding Power Source To make connections align keyway insert plug and rotate threaded collar fully clockwise Function scription O OO S S 2 common Grund common 24 115VAC neutral and chassis ground CAN bus positive signal CAN bus negative signal Current feedback 1Vout 100Aout V 4 24VDC CAN suppl Table 4 2 19 Pin Interconnection Control Plug Configuration 401MST A F Pin Bong EA R RE 15 ON OFF Switch This switch connects the Primary supply voltage to the inverter when in the ON position This enables the Power Supply WARNING When the welder is connected to the Primary supply vollage the internal electrical components may be at 500
19. READ OPERATING INSTRUCTION MANUAL BEFORE INSTALLING OPERATING OR SERVICING THIS EQUIPMENT Welding products and welding processes can cause serious injury or death or damage to other equipment or property if the operator does not strictly observe all safety rules and take precautionary actions Safe practices have developed from past experience in the use of welding and cutting These practices must be learned through study and training before using this equipment Some of these practices apply to equipment connected to power lines other practices apply to engine driven equipment Anyone not having extensive training in welding and cutting practices should not attempt to weld Safe practices are outlined in the American National Standard 749 1 entitled SAFETY IN WELDING AND CUTTING This publication and other guides to what you should learn before operating this equipment are listed at the end of these safety precautions HAVE ALL INSTALLATION OPERATION MAINTENANCE AND REPAIR WORK PERFORMED ONLY BY QUALIFIED PEOPLE 5 Properly install and ground this equipment according 1 01 Arc Welding Hazards to its Owners Manual and national state and local 2 codes 6 Turn off all equipment when not in use Disconnect WARNING power to equipment if it will be left unattended or out of service ELECTRIC SHOCK can kill MM 7 Use fully insulated electrode holders Never dip Touching live electrical parts can cause fatal holder
20. Refer to 4 07 Special Function for more info 4 Digital Meter Volt amp Ammeter Welding amperage Voltage and parameter values are displayed in this window Internal warnings such as over temperature low or high input voltage applied are signaled to the operator by error message on the screen When welding it displays average welding current After weld has been completed it displays average welding current for 10 seconds 5 Encoder Control It allows the operator to adjust the weld parameters within the entire range of the power source also used to set each parameter value This control sets the selected weld parameter rotating it clockwise increases the parameter value and counterclockwise to decrease A selected weld parameter can be adjusted at any time even while welding Refer to 4 07 Special Function for more info OPERATION 4 2 Manual 0 5359 ARCMASTER 401MST POWER SOURCE 6 Save Load Buttons By using the Save amp Load buttons the operator can easily save up to 10 welding parameter programs including welding process current voltage and other parameters such as arc force inductance and hot start To Save a program Press and HOLD the SAVE button for 2 seconds e Select a job number by rotating the Encoder Control with job number displayed on the lower meter After selecting the desired job number i e 1 to 10 press Parameter Selection Button Item 3 to save the job To Load a program Press and HOLD the LOAD
21. basse fr quence Voici une citation tir e du chapitre des conclusions g n rales du document de base de l Office of Technology Assessment bureau des valuations technologiques de l U S Congress Biological Effects of Power Frequency Electric amp Magnetic Fields OTA BP E 63 Washington DC U S Government Printing Office mai 1989 lt il existe de nos jours un nombre tr s lev de travaux scientifiques qui rapportent les r sultats d exp riences men es au niveau cellulaire et d tudes aupr s d homme et d animaux qui tablissent nettement le rapport entre les champs magn tiques de basse fr quence et les syst mes biologiques soit par des interactions ou des modifications Quoique la plupart de ces travaux soient de tr s bonne qualit les r sultats sont complexes A la lumi re des connaissances scientifiques actuelles il nous est encore impossible d interpr ter les vidences en un seul cadre de r f rence coh rent La situation est toutefois tr s contrariante En effet il nous est aussi impossible de tirer des conclusions d finitives quant aux risques ventuels ou de proposer des strat gies 1 13 SAFETY INSTRUCTIONS AND WARNINGS ARCMASTER 401MST POWER SOURCE fond es sur des faits scientifiques visant att nuer ou viter des risques potentiels Pour att nuer les champs magn tiques sur les lieux de travail respectez les proc dures qui suivent 1 Maintenez les c bles l un pr s
22. button for 2 seconds e Select a job number by rotating the Encoder Control with job number displayed on the meter After selecting the desired job number i e 1 to 10 press Parameter Selection Button Item 3 to load the job 7 Process Selection Button The process selection control is used to select the desired welding mode There are seven modes available for the 401MST In modes where there is more than one symbol the symbol on the right will be enabled when the light is illuminated By pressing and holding the process selection button the light will blink indicating the secondary function symbol to the left is enabled Pressing the button a second time will return to the primary function The MIG function has two modes MIG GMAW FCAW The Process light is illuminated CO GMAW FCAW The Process light is blinking Lift TIG GTAW The Process light is illuminated The Stick function has two modes Stick SMAW The Process light is illuminated Arc Gouging CAC A The Process light is blinking The 6010 Stick function has two modes 6010 Vertical Up The process light is illuminated 6010 Vertical Down The process light is blinking The standard mode will be MIG with argon or argon mixes The LED for MIG will be on The other mode will be dedicated for straight CO gas operation The same LED will be on but will blink instead 8 Remote Control Local Control Remote Control The remote control A V i
23. d une flamme nue Si c est possible laissez le moteur refroidir avant de faire le plein de carburant ou d en v rifier le niveau au d but du soudage Ne faites pas le plein de carburant ras bord pr voyez de l espace pour son expansion Faites attention de ne pas renverser de carburant Nettoyez tout carburant renvers avant de faire d marrer le moteur Manual 0 5359 AVERTISSEMENT DES PIECES EN MOUVEMENT PEUVENT CAUSER DES BLESSURES Des pi ces en mouvement tels des ventila teurs des rotors et des courroies peuvent couper doigts et mains ou accrocher des vetements amples bwa m cr rr a 1 Assurez vous que les portes les panneaux les capots et les protecteurs soient bien ferm s 2 Avant d installer ou de connecter un syst me arr tez le moteur 3 Seules des personnes qualifi es doivent d monter des protecteurs ou des capots pour faire l entretien ou le d pannage n cessaire 4 Pour emp cher un d marrage accidentel pendant l entretien d branchez le c ble d accumulateur la borne n gative 5 N approchez pas les mains ou les cheveux de pi ces en mouvement elles peuvent aussi accrocher des v tements amples et des outils 6 R installez les capots ou les protecteurs et fermez les portes apr s des travaux d entretien et avant de faire d marrer le moteur AVERTISSEMENT DES ETINCELLES PEUVENT FAIRE EXPLOS ER UN ACCUMULATEUR L ELECTROLYTE D UN ACCUMU LATEU
24. de l autre en les entrela ant ou les reliant ensemble au ruban 2 Acheminez les c bles un c t du soudeur le plus loin possible 3 N enroulez pas de c ble autour du corps 4 Maintenez le bloc d alimentation du poste de soudage et les c bles aussi loin que possible du corps S STIMULATEURS CARDIAQUES Les proc dures d crites ci dessus sont habituellement celles recommand es pour les porteurs de stimulateurs cardiaques Pour de plus amples renseignements consulter un m decin 1 07 Informations G n rales de S curit A Prevention D incendie Les op rations de soudage utilisent le feu ou la combustion comme outil de base Ce processus est tr s utile quand il est correctement contr l 1 La zone doit comporter un sol ignifug 2 Les tablis ou tables utilis s pendant les op ra tions de soudage doivent avoir un rev tement ignifuge 3 Utilisez des crans r sistants la chaleur ou en mat riau approuv pour prot ger les cloisons proches ou le sol vuln rable des tincelles et du m tal chaud 4 Gardez un extincteur approuv du bon type et de la bonne taille dans la zone de travail Inspectez le r guli rement pour vous assurer qu il est en tat de fonctionner Apprenez vous en servir 5 Enlevez tous les mat riaux combustibles de la zone de travail Si vous ne pouvez pas les enlever prot gez les avec une couvre ignifuge SAFETY INSTRUCTIONS AND WARNING
25. emploi des bouteilles de gaz comprim NE faites PAS tomber bouteille ne la cognez pas ne l exposez pas une chaleur excessive aux flammes ou tincelles NE la cognez PAS contre d autres bouteilles Contactez votre fournisseur de gaz ou reportezvous la publication CGA P 1 Manipulation s curis e des gaz compri mes en conteneur pour plus d informations sur l utilisation et la manutention des bouteilles Manual 0 5359 ARCMASTER 401MST POWER SOURCE AVIS Ce document CGA p t peut tre obtenu en crivant Compressed Gas Association 4221 Walney Roed 5th Floor Chantilly VA 20151 2923 USA Placez le bouchon de protection de vanne sur la bouteille chaque fois que vous la d placez ou ne l utilisez pas Ne faites jamais glisser ou rouler d aucune mani re les bouteilles Utilisez un diable appropri pour les d placer Entreposez les bouteilles vides l cart des bouteilles pleines Marquez les VIDE et refer mez leur vanne N utilisez JAMAIS des bouteilles de gaz comprim sans un r gulateur de pression en s rie sur la vanne de bouteille Inspectez la vanne de bouteille pour y d tecter de l huile ou de la graisse ou d s pi ces endommag es A AVERTISSEMENT N UTILISEZ PAS la bouteille si vous trouvez de l huile de la graisse ou des pi ces endom mag es Informez imm diatement votre fournisseur de gaz de cet tat 6 Ouvrez et fermez momentan ment la vanne de la b
26. pants When working in a non welding or cutting environment always wear suitable eye protection or face shield Figure 1 1 Gas Cylinders A WARNING Cylinders are highly pressurized Handle With care Serious accidents can result from improper handling or misuse of compressed gas cylinders DO NOT drop the cylinder knock it over or expose it to excessive heat flames or sparks DO NOT strike it against A WARNING Practice the following safety and operation precautions EVERY TIME you use pressure regulation equipment Deviation from the following safety and operation instructions can result in fire explosion damage to equipment or injury to the operator SAFETY INSTRUCTIONS AND WARNINGS other cylinders Contact your gas supplier or refer to CGA P 1 Safe Handling of Com pressed Gases in Containers publication NOTE CGA P 1 publication is available by writing the Compressed Gas Association 4221 Walney Road 5th Floor Chantilly VA 20151 2923 2 Place the valve protection cap on the cylinder whenever moving it placing it in storage or not using it Never drag or roll cylinders in any way Use a suitable hand truck to move cylinders 3 Store empty cylinders away from full cylinders Mark them EMPTY and close the cylinder valve Manual 0 5359 4 NEVER use compressed gas cylinders without a pressure reducing regulator attached to the cylinder valve 5 Inspect the cylinder valve for oil grease
27. the selected process Local Control allows the voltage or current to be adjusted on the front panel while Remote Control is used if you have a remote control EJ connected to the welder Remote Control Remote Control This parameter similar to the Arc Force in Stick mode In MIG mode inductance allows for the adjustment of the dynamic property of the arc As the inductance is increased the output voltage may need to be adjusted to achieve the desired weld characteristics Inductance The SAVE LOAD buttons are used to save and retrieve a total number of 10 Save jobs into the 401MST memory Sauve Charger garder Table 4 3 Welding Parameters Description OPERATION 4 6 Manual 0 5359 ARCMASTER 401MST POWER SOURCE Weld Process Selection Weld Mode Weld STICK 6010 VERTICAL UP MIG LIFT Parameter GOUGING 6010 VERTICAL DOWN TIG Description WELD V x x Weld voltage MIG Mode NDUCIANCE x x Inductance control in MIG Mode HOT START Start current in amps is added or subtracted In STICK mode the Hot Start is 100 to 200 factory default 125 while in TIG mode the range is 50 to 200 factory default 50 WELD A WELD A current for STICK or LIFT TIG ARC FORCE Adjusts percentage increase in welding current and is proportional to arc length arc voltage Table 4 4 Weld Process Selection verses Weld Mode
28. the required flow rate is indicated on the gauge Close downstream valve Shutdown Close cylinder valve whenever the flowmeter regulator is not in use To shut down for extended periods more than 30 minutes 1 Close cylinder or upstream valve tightly 2 Open downstream equipment valves to drain the lines Bleed gas into a well ventilated area and away from any ignition source 3 After gas is drained completely disengage adjusting screw and close downstream equipment valves 4 Beforetransporting cylinders that are not secured on a cart designed for such purposes remove Flowmeter Regulators OPERATION 4 20 Manual 0 5359 ARCMASTER 401MST POWER SOURCE SECTION 5 THEORY OF OPERATION 5 01 Inverter Design A welding inverter is a electronically controlled welding power source At conventional transformer based machines the mains voltage with 50 60 Hz is directly switched to the welding transformer At a welding inverter the mains voltage is rectified first and with electronic power switches MOSFETs or IGBTs chopped into a much higher frequency to drive the transformer At conventional inverters this is a fixed frequency e g 80kHz at Resonant machines the frequency is variable up to 200kHz because the frequency is also used for controlling the welding process Driving the transformer the primary side is a serial resonant circuit primary transformer coil in series with a capacitor and the secondary side is a parallel r
29. 1 02 Overtemperature primary Section on Pg 6 7 modules E01 04 Overtemperature middle heat sink temp E02 02 Bus overvoltage startup The 4 measuredatoo Check mains and bus voltage high bus voltage gt 700V DC wiring between DRVO4 X6 and E02 03 Bus overvoltage DSP The DSP of the MAPRO MAPRO X7 flat ribbon cable between oe DRVO4 and MAPRO E02 04 Bus overvoltage primary The DSP of the DRVO4 E measured a too high bus Refer to Monitoring Bus Voltage on Pg voltage during operation 6 8 E02 05 Bus overvoltage FPGA The FPGA of the MAPRO measured a too high bus voltage at the primary modules E06 00 Overvoltage Secondary The DSP of the MAPRO Check wiring between power unit and measured a too high output DCO1 X2 voltage gt 100V DC Check wiring between DC01 X2 and E06 01 Overvoltage secondary The FPGA of the MAPRO MAPRO X5 flat cable between DRV04 Refer to Monitoring Output Voltage Pg 6 10 E07 01 EEPROM initialisation error Fault during reading of the Switch machine off and on again At a error memory accessing permanent fault the MAPRO needs to the EEPROM memory is not be exchanged possible hardware failure E09 00 Voltage measuring No output voltage could Check wiring between power unit and be measured at the output 0601 X2 diodes at startup Che
30. 59 ARCMASTER 401MST POWER SOURCE 4 03 Setup for LIFT TIG GTAW Welding For TIG welding a TIG torch with valve is required for this power source A B Remove all packaging materials Do not block the air vents at the front or rear of the Power Source Connect the work lead to the positive welding terminal Welding current flows from the Power Source via dinse type connectors It is essential however that the male plug is inserted and turned securely to achieve a sound electrical connection Connect the optional TIG Torch to the negative welding terminal Welding current flows from the Power Source via dinse type connectors It is essential however that the male plug is inserted and turned securely to achieve a sound electrical connection Loose welding terminal connections can cause overheating and result in the male plug being fused in the terminal WARNING Before connecting the work clamp to the work piece make sure the mains power supply is switched off Secure the welding grade shielding gas cylinder in an upright position by chaining it to a suitable stationary support to prevent falling or tipping Ensure that the gas cylinder is secured to a building pillar wall bracket or otherwise securely fixed in an upright position Select TIG mode by pressing Process Selection Button until TIG indicator lights up Connect the TIG Torch trigger switch remote control to the 14 pin or 19 pin sock
31. Button at the same time for 2 seconds All personal settings will be lost 4 08 Shielding Gas Flowmeter Regulator Operating Instructions WARNING This equipment is designed for use with welding grade Inert shielding gases only Shielding Gas Flowmeter Regulator Safety Designed to reduce and control high pressure gas from a cylinder or pipeline to the working pressure required for the equipment using it If the equipment is improperly used hazardous conditions are created that may cause accidents It is the users responsibility to prevent such conditions Before handing or using the equipment understand and comply at all times with the safe practices prescribed in this instruction SPECIFIC PROCEDURES for the use of flowmeter regulators are listed below 1 NEVER subject the flowmeter regulator to inlet pressure greater than its rated inlet pressure 2 NEVER pressurize a flowmeter regulator that has loose or damaged parts or is in a questionable condition NEVER loosen a connection or attempt to remove any part of a flowmeter regulator until the gas pressure has been relieved Under pressure gas can dangerously propel a loose part 3 DO NOT remove the flowmeter regulator from a cylinder without first closing the cylinder valve and releasing gas in the flowmeter regulator high and low pressure chambers 4 DO NOT use the flowmeter regulator as a control valve When downstream equipment is not in use for extended periods
32. Cutting norme CSA W117 2 Association canadienne de normalisation Stan dards Sales 276 Rexdale Boulevard Rexdale Ontario Canada M9W 1R3 Safe Practices for Occupation and Educational Eye and Face Protection norme ANSI Z87 1 American National Standards Institute 1430 Broadway New York NY 10018 Cutting and Welding Processes norme 51B NFPA Na tional Fire Protection Association Batterymarch Park Quincy MA 02269 SAFETY INSTRUCTIONS AND WARNINGS 1 16 Manual 0 5359 ARCMASTER 401MST POWER SOURCE 1 09 Graphique de Symbole Seulement certains de ces symboles apparaitront sur votre mod le Bila Tension dangereuse LICE O Disjoncteur Source AC Auxiliaire c Intensit Courant Tension Hertz cycles sec CCE HI Courant Continue DC Terre de Protection CES Connexion de la Ligne Source Auxiliaire Classement de Prise Source Auxiliaire Tri Phase Statique LAORE Fr quence Convertisseur Transformateur Redresseur Facteur de Marche Pourcentage Panneau Local Soudage Arc Electrique Avec Electrode Enrob SMAW Soudage L arc Avec Fil Electrodes Fusible GMAW Soudage L arc Avec Electrode Non Fusible GTAW Decoupe Arc Carbone CAC A Courant Constant Tension Constante Ou Potentiel Constant Amorcage de L arc au Contact GTAW Inductance Variable D roulement du Fil Alimentation du Fil Vers la Pi ce de Fabrica
33. GS ARCMASTER 401MST POWER SOURCE ah 3 Use protective screens or barriers to protect others from flash and glare warn others not to watch the ET arc WARNING 4 Wear protective clothing made from durable flame resistant material wool and leather and foot ARC RAYS can burn eyes and skin NOISE protection can damage hearing Arc rays from the welding process produce intense heat and 5 Use approved ear plugs or ear muffs if noise level strong ultraviolet rays that can burn eyes is high and skin Noise from some processes can damage hearing 1 Wear a welding helmet fitted with a proper shade WARNING of filter see ANSI 249 1 listed in Safety Standards pem AE to protect your face and eyes when welding or FUMES AND GASES can be hazardous 10 watching your health Welding produces fumes and gases 2 Wear approved safety glasses Side shields Breathing these fumes and gases be recommended hazardous to your health AWS F2 2 2001 R2010 Adapted with permission of the American Welding Society AWS Miami Florida Guide for Shade Numbers e Minimum Suggested TONS Electrode Size in Arc Current Protective Shade unm Amperes Shade Comfort Less than 3 32 2 4 Less than 60 7 Shielded Metal Arc Welding 3 32 5 32 2 4 4 0 60 160 8 10 SMAW 5 32 1 4 4 0 6 4 160 250 10 12 More than 1 4 6 4 250 550 11 14 Gas Metal Arc Welding GMAW
34. HOOTING 6 28 Manual 0 5359 ARCMASTER 401MST POWER SOURCE SECTION 7 REPLACEMENT PARTS 1 01 401MST Power Source Spare Parts Art A 12459 AB Figure 7 1 ArcMaster 401MST Spare Parts ltem Description Des Ref Quantity Part Number 1 Side Panel Left 1 W7006700 2 Side Panel Right 1 7000701 3 _ Top Panel with Display Sheet 1 W7006702 4 Front Panel 1 7006703 5 1 700 6704 6 Front 1 W7006705 7 1 006 06 8 1 wooo 9 Mains Label 1 W7006708 Manual 0 5287 7 1 REPLACEMENT PARTS ARCMASTER 401MST POWER SOURCE Description isplay Panel Overlay train relief am Spacer am inlay am inla oam Plate Self adhesive ar Filter re Gauze nob Bod ob Cap ontrol PCB apacitor PCB utput PCB DP10 PCB ront Panel PCB ain Power PCB put PCB ux Transformer ain Transformer N OFF Switch ridge Rectifier put Mains Cable 4 pin Remote Socket with Harness nsulating Bush nsulation Foil sulation Foil Shunt Circuit breaker 2 5A 240V 115VAC Circuit breaker 10A 240V 24VAC Protection cover IP64 50 mm Dinse Output Terminal Output Diode nit Thermal Sensor oling Fan abel Tweco abel 401MST arning Sticker ticker Tweco 261 x 93 not shown Table 7 1 ArcMaster 401MST Spart Parts age Z c Item co 4 7 REPLACEMENT PARTS 7 2
35. NGS Stop engine before installing or connecting unit Have only qualified people remove guards or covers for maintenance and troubleshooting as necessary prevent accidental starting during servicing disconnect negative battery cable from battery Keep hands hair loose clothing and tools away from moving parts Reinstall panels or guards and close doors when servicing is finished and before starting engine PIZ WARNING SPARKS can cause BATTERY GASES TO EXPLODE BATTERY ACID can burn eyes and skin Batteries contain acid and generate explosive gases 1 Always wear a face shield when working on a battery 2 Stop engine before disconnecting or connecting battery cables Do not allow tools to cause sparks when working on a battery Do not use welder to charge batteries or jump start vehicles Observe correct polarity and on batteries Va DS WARNING STEAM AND PRESSURIZED HOT COOLANT can burn face eyes and skin The coolant in the radiator can be very hot and under pressure Do not remove radiator cap when engine is hot Allow engine to cool Wear gloves and put a rag over cap area when removing cap Allow pressure to escape before completely removing cap Manual 0 5359 WARNING WARNING This product contains chemicals including lead known to the State of California to cause birth defects and other reproductive harm Wash ha
36. R PEUT BRULER LA PEAU ET LES YEUX Les accumulateurs contiennent de l lectrolyte acide et d gagent des vapeurs explosives 1 Portez toujours un cran facial en travaillant sur un accumu lateur 2 Arr tez le moteur avant de connecter ou de d con necter des c bles d accumulateur 3 N utilisez que des outils anti tincelles pour travailler sur un accumulateur 4 N utilisez pas une source de courant de soudage pour charger un accumulateur ou survolter momen tan ment un v hicule Manual 0 5359 ARCMASTER 401MST POWER SOURCE 5 Utilisez la polarit correcte et de l accumulateur Va lt AVERTISSEMENT LA VAPEUR ET LE LIQUIDE DE REFROID ISSEMENT BRULANT SOUS PRESSION PEUVENT BRULER LA PEAU ET LES YEUX Le liquide de refroidissement d un radiateur peut tre br lant et sous pression 1 N tez pas le bouchon de radiateur tant que le moteur n est pas refroidi 2 Mettez des gants et posez un torchon sur le bouchon pour l ter 3 Laissez la pression s chapper avant d ter com pl tement le bouchon AVERTISSEMENT AVERTISSEMIENT Ce produitcontient des produits chimiques notamment du plomb reconnu par PEtatde la Californie pour causerdes malformations cong nitaleset d autresdommages touchant le syst me reproductif Se laver les mains apr s manipulation REMARQUE Facteurs relatifs au soudage et aux effets des champs magn tiques et lectriques de
37. RCMASTER 401MST POWER SOURCE 9 AVERTISSEMENT LE SOUDAGE PEUT CAUSER UN INCENDIE OU UNE EXPLOSION Larc produit des tincellies et des projec tions Les particules volantes le m tal chaud les projections de soudure et l quipement surchauff peuvent causer un incendie et des br lures Le contact ac cidentel de l lectrode ou du fil lectrode avec un objet m tallique peut provoquer des tincelles un chauffement ou un incendie Prot gez vous ainsi que les autres contre les tin celles et du m tal chaud Ne soudez pas dans un endroit o des particules volantes ou des projections peuvent atteindre des mat riaux inflammables Enlevez toutes mati res inflammables dans un rayon de 10 7 m tres autour de l arc ou couvrez les soi gneusement avec des b ches approuv es M fiez vous des projections brulantes de soudage susceptibles de p n trer dans des aires adjacentes par de petites ouvertures ou fissures M fiez vous des incendies et gardez un extincteur port e de la main N oubliez pas qu une soudure r alis e sur un pla fond un plancher une cloison ou une paroi peut enflammer l autre c t Ne soudez pas un r cipient ferm tel un r servoir ou un baril Connectez le c ble de soudage le plus pr s possible de la zone de soudage pour emp cher le courant de suivre un long parcours inconnu et pr venir ainsi les risques d lectrocution et d incendie Ne d gelez p
38. S A AVERTISSEMENT N effectuez JAMAIS d op rations de soudage sur un r cipient qui a contenu des liquides ou vapeurs toxiques combustibles ou in flammables N effectuez JAMAIS d op rations de soudage dans une zone contenant des vapeurs combustibles des liquides inflam mables ou des poussi res explosives B Entretien des Locaux A AVERTISSEMENT laissez jamais l oxyg ne en contact avec la graisse l huile ou d autres substances in flammables Bien que l oxyg ne ellem me ne br le pas ces substances peuvent devenir extr mement explosives Elles peuvent pren dre feu et br ler violemment en pr sence d oxyg ne Gardez Tous les appareils propres et exempts de graisse huile ou autres substances inflammables A AVERTISSEMENT Ventilez les zones de soudage chauffage et decoupage de fa on ad quate pour viter l accumulation de gaz explosifs ou toxiques Certaines combinaisons de m taux rev te ments et gaz g n rent des fum es toxiques Utilisez un quipement de protection res piratoire dans ces circonstances Si vous soudez ou brasez lisez et assimilez la fiche technique de s curit de mat riau relative l allage de soudage brasage C A ration D Protection Personnelle Les flammes de gaz produisent une radiation infrarouge qui peut avoir un effet n faste sur la peau et particu li rement sur les yeux Choisissez des lunettes ou un masque avec des verres tremp s assombris au niveau 4 ou
39. SSEMENT LES VAPEURS ET LES FUMEES SONT DANGEREUSES POUR LA SANTE Le soudage d gage des vapeurs et des fum es dangereuses respirer Eloignez la t te des fum es pour viter de les re spirer A l int rieur assurez vous que l aire de soudage est bien ventil e ou que les fum es et les vapeurs sont aspir es l arc Silaventilation est inadequate portez un respirateur adduction d air approuv Lisez les fiches signal tiques et les consignes du fabricant relatives aux m taux aux produits consummables aux rev tements et aux produits nettoyants Netravaillez dans un espace confin que s il est bien ventil sinon portez un respirateur adduction d air Les gaz protecteurs de soudage peuvent d placer l oxyg ne de l air et ainsi causer des malaises ou la mort Assurez vous que l air est propre la respira tion Nesoudez pas proximit d op rations de d grais sage de nettoyage ou de pulv risation La chaleur et les rayons de l arc peuvent r agir avec des vapeurs et former des gaz hautement toxiques et irritants Ne soudez des t les galvanis es ou plaqu es au plomb ou au cadmium que si les zones souder ont t gratt es fond que si l espace est bien ventil si n cessaire portez un respirateur adduction d air Car ces rev tements et tout m tal qui contient ces l ments peuvent d gager des fum es toxiques au moment du soudage Manual 0 5359 A
40. Terminal Work Lead 19 Pin Control Socket Art A 12552 Wirefeeder Tweco No 4 MIG Torch Figure 4 8 Setup for MIG GMAW Welding with Gas Shielded MIG Wire OPERATION 4 14 Manual 0 5359 ARGMASTER 401MST POWER SOURCE 4 06 Setup for FCAW Flux Core Arc Welding A wire feeder optional is required for MIG welding NOTE NOTE 1 The operations required may differ depending on the version and the configuration of the wirefeeder NOTE 2 Please read the wire feed operating manual Power Source Connections A Remove all packaging materials Do not block the air vents at the front or rear of the Power Source B Connect the work lead to the positive welding terminal If in doubt consult the electrode wire manufacturer Welding current flows from the Power Source via dinse type connectors It is essential however that the male plug is inserted and turned securely to achieve a sound electrical connection Loose welding terminal connections can cause overheating and result in the male plug being fused in the terminal WARNING Before connecting the work clamp to the work piece make sure the mains power supply is switched off C Select MIG mode by pressing Process Selection Button until MIG CO symbol lights up Please refer to Page 4 3 for detailed info WIREFEEDER CONNECTIONS A Connect the welding power cable to the negative welding terminal If in doubt consult the electrode wire manufacturer We
41. V potential with respect to earth 16 Input Cable The input cable connects the Primary supply voltage to the equipment 17 2 5A Circuit Breaker 2 5A Circuit Breaker is for the 115 VAC auxiliary power connected to 14 pin or 19 pin remote control socket 18 10A Circuit Breaker 10A Circuit Breaker is for the 24 VAC auxiliary power connected to 14 pin or 19 pin remote control socket Manual 0 5359 4 5 OPERATION ARCMASTER 401MST POWER SOURCE 4 02 Welding Parameters Parameter Description This parameter provides an adjustable short circuit current in STICK welding ES to improve electrode sticking and arc stability Arc Force This parameter operates in STICK weld mode and is used to improve the start characteristics for stick electrodes e g low hydrogen electrodes This parameter also works in TIG mode allowing a softer or harder arc start It sets Hot Start the peak start current on top of the WELD current Weld Current Amperage when lit Encoder Control sets the STICK and TIG WELD current Weld Voltage Volt when lit Encoder Control sets the MIG voltage DC V Local Control Contactor operates in MIG TIG and Stick modes When the local Control LED is illuminated the output is enabled and when the Remote Control is illuminated the output is enabled by a remote control Remote Control Contactor Control Local Control Selects either local or remote amperage or voltage control depending on
42. and damaged parts A WARNING DO NOT use the cylinder if you find oil grease or damaged parts Inform your gas supplier of this condition immediately 6 Momentarily open and close called cracking the cylinder valve to dislodge any dust or dirt that may be present in the valve CAUTION Open the cylinder valve slightly If you open the valve too much the cylinder could tip over When cracking the cylinder valve DO NOT stand directly in front of the cylinder valve Always perform cracking in a well ventilated area If an acetylene cylinder sprays a mist when cracked let it stand for 15 minutes Then try to crack the cylinder valve again If this problem persists contact your gas supplier Manual 0 5359 ARCMASTER 401MST POWER SOURCE 1 03 Principal Safety Standards Safety in Welding and Cutting ANSI Standard 749 1 from American Welding Society 550 N W LeJeune Rd Miami FL 33126 Safety and Health Standards OSHA 29 CFR 1910 from Superintendent of Documents U S Government Printing Office Washington D C 20402 Recommended Safe Practices for the Preparation for Welding and Cutting of Containers That Have Held Hazardous Substances American Welding Society Standard AWS F4 1 from American Welding Society 550 N W LeJeune Rd Miami FL 33126 National Electrical Code NFPA Standard 70 from National Fire Protection Association Batterymarch Park Quincy MA 02269 Safe Handling of Compressed Gas
43. as les tuyaux avec un source de courant 10 Otez l lectrode du porte lectrode ou coupez le fil au tube contact lorsqu inutilis apr s le soudage 11 Portez des v tements protecteurs non huileux tels des gants en cuir une chemise paisse un pantalon revers des bottines de s curit et un casque SAFETY INSTRUCTIONS AND WARNINGS ARCMASTER 401MST POWER SOURCE AVERTISSEMENT LES ETINCELLES ET LES PROJECTIONS BRULANTES PEUVENT CAUSER DES BLES SURES Le piquage et le meulage produisent des particules m talliques volantes En refroid issant la soudure peut projeter du clats de laitier 1 Portez un cran facial ou des lunettes protec trices approuv es Des crans lat raux sont recommand s 2 Portez des v tements appropri s pour prot ger la peau 2 AVERTISSEMENT LES BOUTEILLES ENDOMMAGEES PEU VENT EXPLOSER Les bouteilles contiennent des gaz pro tecteurs sous haute pression Des bouteilles endommag es peuvent exploser Comme les bouteilles font normalement partie du proc d de soudage traitez les avec soin Prot gez les bouteilles de gaz comprim contre les sources de chaleur intense les chocs et les arcs de soudage Enchainez verticalement les bouteilles un support ou un cadre fixe pour les emp cher de tomber ou d tre renvers es Eloignez les bouteilles de tout circuit lectrique ou de tout soudage Emp chez tout contact entre une bo
44. chine stops with 75 Current offset Even if the shunt gets lost during the welding process e g loose contact or disconnection of the shunt wires the active process is stopped with 75 Code Designation Reason E15 00 Current offset too high DSP Shunt is missing or not connected to MAPRO401 E15 01 current offset too high FPGA Fault in current measuring Table 6 8 TROUBLESHOOTING 6 12 Manual 0 5359 ARCMASTER 401MST POWER SOURCE 6 10 Open Circuit Voltage Generator amp VRD The machine has a separate open circuit voltage generator that generates the OCV meaning the OCV is not produced by the power unit of the machine At machines with activated VRD Voltage Reduction Device the generator produces the lower VRD voltage When switching on the machine the function of the ocv generator is checked if no voltage and no current can be measured the generator must be faulty and the machine stops with E25 01 generator Schematic 401 Art A 12651 6 11 Fan Control The current consumption of the fans are monitored by the primary DSP of the DRV04 If the current consumption is too high the machine stops with 34 00 Current fan too high Code Designation Reason E34 00 Driver current too high Driver current gt 2 5A for longer than 0 9 seconds Table 6 9 Schematic MAPRO401 Art A 12652 Manual 0 5359 6 13 TROUBLESHOOTING ARCMASTER 401MST POWER SOURCE 6 12 Mon
45. ck wiring between X2 and MAPRO X5 Check output sockets for short circuit Refer to Monitoring Output Voltage on Pg 6 10 TROUBLESHOOTING 6 2 Manual 0 5359 ARCMASTER 401MST POWER SOURCE Code Error Cause Possible Remedy E12 00 Power unit startup During the test of the power Check wiring between power unit and unit switching on the 0601 X2 machine no output voltage Check wiring between DCO1 X2 and could be measured MAPRO X5 gt gt Not in CC CV mode Check flat ribbon cable between because a connected MIG MAPRO and DRVO4 f ight th i Refer to Monitoring Output Voltage on g 6 10 E13 01 Temperature sensor diodes After a certain time of Check wiring between DRV04 X6 and E1302 welding no rise of the MAPRO X7 temperature was measured Check flat ribbon cable between E S MAPRO and DRV04 of is measure constantly Check temperature sensor at X7 of the Fault i DRV04 aulty sensors or no 425 connected no connection Temperature Monitoring on Pg E14 00 Supply undervoltage The 16V supply voltage ofthe Check mains and bus voltage MAPRO is below 12V Check wiring between DRVO4 X6 and MAPRO X7 Check fans Refer to Supply Voltages on Pg 6 11 E15 00 Current offset DSP The current offset of the Check wiring of the shunt to MAPRO E15 01 Current offset FPGA shunt resistor is too high X5 Refer to Monitoring Welding Current on
46. cted to the mains supply according to the manufacturer s recommendations If interference occurs it may be necessary to take additional precautions such as filtering of the mains supply Consideration should be given to shielding the supply cable of permanently installed welding equipment in metallic conduit or equivalent Shielding should be electrically continuous throughout its length The shielding should be connected to the Welding Power Source so that good electrical contact is maintained between the conduit and the Welding Power Source enclosure Maintenance of Welding Equipment The welding equipment should be routinely maintained according to the manufacturer s recommendations All access and service doors and covers should be closed and properly fastened when the welding equipment is in op eration The welding equipment should not be modified in any way except for those changes and adjustments covered in the manufacturer s instructions In particular the spark gaps of arc striking and stabilising devices should be adjusted and maintained according to the manufacturer s recommendations Welding Cables The welding cables should be kept as short as possible and should be positioned close together running at or close to the floor level Equipotential Bonding Bonding of all metallic components in the weld ing installation and adjacent to it should be con sidered However Metallic components bonded to the work piec
47. d turned securely to achieve a sound electrical connection Loose welding terminal connections can cause overheating and result in the male plug being fused in the terminal WARNING Before connecting the work clamp to the work piece make sure the mains power supply is switched off Secure the welding grade shielding gas cylinder in an upright position by chaining it to a suitable stationary support to prevent falling or tipping Ensure that the gas cylinder is secured to a building pillar wall bracket or otherwise securely fixed in an upright position Select MIG mode by pressing Process Selection Button until MIG CO symbol lights up Please refer to Page 4 3 for detailed info Wirefeeder Connections A Connect the welding power cable to the positive welding terminal negative welding terminal for flux cored wire If in doubt consult the electrode wire manufacturer Welding current flows from the Power Source via dinse type connectors It is essential however that the male plug is inserted and turned securely to achieve a sound electrical connection Connect the control cable from the Wirefeeder to the 14 PIN or 19 PIN socket on the Power Source as applicable Select appropriate connector by pressing the button on front panel Manual 0 5359 4 13 OPERATION ARCMASTER 401MST POWER SOURCE Positive Welding Terminal a di Negative Welding
48. e is a hazard reducing device designed to reduce electric shock hazards present on the output of welding power source when operating in SMAW STICK mode Note that the presence of VRD should not be used as a substitute for the use of appropriate safety practices as indicated in section one of this manual Please Note VRD is factory set to OFF on the 401MST The red LED will be on when unit is powered up To enable turn VRD switch on Control PCB5 refer to Figure 4 2 to the position If VRD is active green LED Will be on standby below 12V When arc is established red LED will blink above 12V Output Voltage Adjustment VRD Switch pene s Control PCB5 Art A 12454 Figure 4 2 2 Amphenol Selector 14 PIN 19 PIN Remote Button This button is used to select 14 PIN or 19 PIN mode of operation Refer to 4 07 Special Function for more info When in 14 PIN Remote mode the 14 PIN control socket is active and remote voltage controls will be active When in 19 PIN Remote mode the 19 PIN control socket is active and remote voltage controls will be active Both 14 pin and 19 pin connectors work in all modes 3 Parameter Selection Button This button is used to select between HOT START WELDING CURRENT and ARC FORCE while in SMAW STICK mode and select between WELDING VOLTAGE and INDUCTANCE CONTROL while in GMAW MIG mode This button is also used in conjunction with the Save Load buttons to save and load welding programs
49. e should NOT be used in the vicinity of blasting operations due to the danger of premature firing WARNING COMPUTER It is also possible that operation close to computer installations may cause computer malfunction SAFETY AND INSTALLATION 3 6 Manual 0 5359 3 08 High Frequency Interference Interference may be transmitted by a high frequency initiated or stabilised arc welding machine in the fol lowing ways 1 Direct Radiation Radiation from the machine can occur if the case is metal and is not properly grounded It can occur through apertures such as open access panels The shielding of the high frequency unit in the Power Source will prevent direct radiation if the equip ment is properly grounded 2 Transmission via the Supply Lead Without ad equate shielding and filtering high frequency energy may be fed to the wiring within the installation mains by direct coupling The energy is then transmitted by both radiation and conduction Adequate shielding and filtering is provided in the Power Source 3 Radiation from Welding Leads Radiated interfer ence from welding leads although pronounced in the vicinity of the leads diminishes rapidly with distance Keeping leads as short as possible will minimise this type of interference Looping and suspending of leads should be avoided wherever possible 4 Re Radiation from Unearthed Metallic Objects A major factor contributing to interference is re radiation fr
50. e fitted NOTE All valves downstream of the flowmeter regulator must be opened to obtain a true flow rate reading on the outlet gauge Welding power source must be triggered Close the valves after the pressure has been set Installation 1 Remove cylinder valve plastic dust seal Clean the cylinder valve outlet of impurities that may clog orifices and damage seats before connecting the flowmeter regulator Crackthe valve open then close momentarily pointing the outlet away from people and sources of ignition Wipe with a clean lint free cloth 2 Match flowmeter regulator to cylinder Before connecting check that the flowmeter regulator label and cylinder marking agree and that the flowmeter regulator inlet and cylinder outlet match NEVER CONNECT a flowmeter regulator designed for a particular gas or gases to a cylinder containing any other gas 3 Connect the flowmeter regulator inlet connection to cylinder or pipeline and tighten it firmly but not excessively with a suitable spanner 4 Connect and tighten the outlet hose firmly and attach down stream equipment 5 To protect sensitive down stream equipment a separate safety device may be necessary if the flowmeter regulator is not fitted with a pressure relief device Operation With the flowmeter regulator connected to cylinder or pipeline and the adjustment screw knob fully disengaged pressurize as follows 1 Stand to one side of flowmeter regulator and slo
51. e will increase the risk that the operator could receive a shock by touching the metallic components and the electrode at the same time The operator should be insulated from all such bonded metallic components Grounding of the Workpiece Where the workpiece is not bonded to earth for electrical safety nor connected to earth ground ing because of it s size and position e g ship s hull or building steelwork a connection bonding the workpiece to earth may reduce emissions in some but not all instances Care should be SAFETY AND INSTALLATION 3 8 to other electrical equipment Where necessary the connection of the workpiece to earth should be made by direct connection to the workpiece but in some countries where direct connection is not permitted the bonding should be achieved by suitable capacitance selected according to national regulations Screening and Shielding Selective screening and shielding of other cables and equipment in the surrounding area may al leviate problems of interference Screening the entire welding installation may be considered for special applications Manual 0 5359 ARCMASTER 401MST POWER SOURCE SECTION 4 OPERATION 4 01 ArcMaster 401MST Power Source Controls Indicators and Features Art A 12452 AC Figure 4 1 Manual 0 5359 4 1 OPERATION ARCMASTER 401MST POWER SOURCE 1 VRD Voltage Reduction Device Indicator Lights A VRD voltage reduction devic
52. en against the power source toppling over The power source must be located on SAFETY AND INSTALLATION a suitable horizontal surface in the upright position when in use ub WARNING This equipment should be electrically con nected by a qualified electrician 3 05 Ventilation Since the inhalation of welding fumes can be harmful ensure that the welding area is effectively ventilated WARNING 3 06 Mains Supply Voltage Requirements The Mains supply voltage should be within 1596 of the rated mains supply voltage Too low a voltage may cause poor welding performance Too high a supply voltage will cause components to overheat and possibly fail The Welding Power Source must be Correctly installed if necessary by a qualified electrician e Correctly earthed electrically in accordance with local regulations Connected to the correct size power point and fuse as per the Specifications on page 3 2 WARNING Any electrical work must be carried out by a qualified Electrical Tradesperson A WARNING ELECTRIC SHOCK can kill SIGNIFICANT DC VOLTAGE is present after removal of input poWer Manual 0 5359 ARCMASTER 401MST POWER SOURCE DO NOT TOUCH live electrical parts SHUT DOWN welding power source disconnect input power employing lockout tagging procedures Lockout tagging procedures consist of padlocking line disconnect switch in open position rem
53. ended for pacemaker wearers Consult your doctor for complete information ABOUT PACEMAKERS Manual 0 5359 ARCMASTER 401MST POWER SOURCE 1 02 General Safety Information for Victor Regulator A Fire Prevention Welding and cutting operations use fire or combustion as a basic tool The process is very useful when properly controlled However it can be extremely destructive if not performed correctly in the proper environment 1 The work area must have a fireproof floor 2 Work benches or tables used during welding or cutting operations must have fireproof tops Use heat resistant shields or other approved mate rial to protect nearby walls or unprotected flooring from sparks and hot metal Keep an approved fire extinguisher of the proper size and type in the work area Inspect it regu larly to ensure that it is in proper working order Know how to use the fire extinguisher Move combustible materials away from the work site If you can not move them protect them with fireproof covers A WARNING NEVER perform welding heating or cut ting operations on a container that has held toxic combustible or flammable liquids or vapors NEVER perform welding heating or cutting operations in an area containing combustible vapors flammable liquids or explosive dust B Housekeeping A WARNING NEVER allow oxygen to contact grease oil or other flammable substances Although gen by itself wi
54. es in Cylinders CGA Pamphlet P 1 from Compressed Gas Association 1235 Jefferson Davis Highway Suite 501 Arlington VA 22202 Code for Safety in Welding and Cutting CSA Standard W117 2 from Canadian Standards Association Standards Sales 178 Rexdale Boulevard Rexdale Ontario Canada M9W 1R3 Safe Practices for Occupation and Educational Eye and Face Protection ANSI Standard Z87 1 from American National Standards Institute 1430 Broadway New York NY 10018 Cutting and Welding Processes NFPA Standard 51B from National Fire Protection Association Batterymarch Park Quincy MA 02269 SAFETY INSTRUCTIONS AND WARNINGS ARCMASTER 401MST POWER SOURCE 1 04 Symbol Chart Note that only some of these symbols will appear on your model Wire Feed Towards Sl Off 3 AN Three Phase jo Workpiece With Output Voltage Off Three Phase Static Dangerous Voltage ACOR Frequency Converter Welding Gun Transformer Rectifier Continuous Weld 6 O Circuit Breaker 5 Duty Cycle a Mode Spot Time Shielded Metal Gas Metal Arc p Gas Tungsten Arc 6 2 Step Trigger Z Hertz cycles sec Welding GTAW _ Operation Press to initiate wirefeed and Air Carbon a i welding release to stop Sie n Press and hold for preflow release Positive Constant Voltage to start arc Press to stop arc and Or Constant Potential hold for preflow Direct Current DC
55. esonant circuit so that the control has an additional influ ence on the output voltage by shifting the frequency With this principle an almost ideal output characteristic can be realized Art A 12644 Manual 0 5359 5 1 THEORY OF OPERATION ARCMASTER 401MST POWER SOURCE Notes THEORY OF OPERATION 9 2 Manual 0 5359 ARCMASTER 401MST POWER SOURCE SECTION 6 TROUBLESHOOTING 6 01 Power Source Status Messages An error code is displayed in the digital displays in the event of a malfunction You can switch over between error code and sub error sub code in the digital displays by pressing Process Selection Button After the message has been displayed the machine will only function to a limited extent the error must be cor rected as quickly as possible The status message can be deleted by pressing Encoder Control Code Note Cause Possible Remedy H08 00 Short circuit at A short circuit at the output sockets Electrode has contact to workpiece was measured during the test of the during switching on the machine pole switch This warning message prevents an unintentional ignition of an arc Configuration No data of the operating hour The operating hour counter is reset operating hour counter could be found read to 0 counter Configuration No valid calibration values could be Standard values a
56. et on the Power Source as applicable It will operate in lift TIG mode with either a remote connected to the 14 or 19 pin connector or the contactor enabled on the panel The TIG Torch will operate in LIFT TIG mode Fitthe Flowmeter Regulator to the gas cylinder then connect the gas hose from the TIG Torch to the Flowmeter outlet The Power Source is not fitted with a shielding gas solenoid to control the gas flow in LIFT TIG mode therefore the TIG Torch will require a gas valve TIG Welding Current Range Factory setting Welding current 11 10 to 300 A 1 phase 100 10 to 400 A 3 phase Table 4 7 TIG Welding Current Arc Ignition Open the valve 19 on the TIG welding torch Briefly touch the workpiece with the tip of the electrode at the point to be welded Lift the electrode a little The arc burns between the workpiece and the electrode L de P gt Art A 12455 Figure 4 3 Arc Ignition Manual 0 5359 4 9 OPERATION ARCMASTER 401MST POWER SOURCE Graphic for TIG Current Welding current ISt Hot start current 12 Short circuit t Time tSt Hot start Positive Welding Terminal Work Lead Negative Welding Terminal Art A 12550 19 Pin Conffol Socket Tig Torch Figure 4 5 Setup for TIG GTAW Welding OPERATION 4 10 Manual 0 5359 ARCMASTER 401MST POWER SOURCE 4 04 Setup for STICK SMAW Welding A B Remove all
57. fications O A AE O ME EM RA EN 3 2 303 A a MR KO RAME EEA MOM 3 4 304 MENS i erm 3 4 iGO S RUPEE 3 4 3 06 Mains Supply Voltage Requirements seen 3 4 3 07 High Frequency Introduction I L sraka kana 3 6 3 08 High Frequency issues 3 7 3 09 Electromagnetic Compatibility 3 7 SECTION 4 u eo E 4 1 4 01 ArcMaster 401MST Power Source Controls Indicators and Features 4 1 4 02 Welding Parameters nana nana 4 6 403 Setup for LIFT TIG GTAW Welding ennt 4 9 4 04 Setup for STICK SMAW 4 11 4 05 Setup for MIG GMAW Welding with Gas Shielded MIG Wire 4 13 4 06 Setup for FCAW Flux Core Arc 4 15 4 07 SOC ee u au uu Um E MAN 4 17 4 08 Shielding Gas Flowmeter Regulator Operating Instructions 4 18 SECTION 5 THEORY OF din uha 5 1 5 01 Inverter Design D 5 1 TABLE OF CONTENTS SECTION 6 TROUBLESHOOTING E s 6 1 6 01 Power Source Status Messages 6 1 6 02 Error MESSE nina 6 2 6 03 Test Equipment and Tools tarta trt nnt Foren as hasard p karen 6 5 604 Visually WING DECI
58. g terminals bus voltage Table 6 16 Manual 0 5359 6 19 TROUBLESHOOTING ARCMASTER 401MST POWER SOURCE Picture DRVO4 or R BB B R66 m sz C52 E casos O Sirio150565 vcf A N UE4 TROUBLESHOOTING Art A 12659 Manual 0 5359 ARCMASTER 401MST POWER SOURCE Schematic Art A 12660 Art A 12661 Manual 0 5359 6 21 TROUBLESHOOTING ARCMASTER 401MST POWER SOURCE 3 PCB 5 02 Functions Wiring primary transformer wires Connecting primary resonant capacitors Picture PCB SF02 Art A 12662 TROUBLESHOOTING 6 22 Manual 0 5359 ARCMASTER 401MST POWER SOURCE 4 PCBDCO1 Functions Wiring secondary diodes Connecting paralle
59. h such as the performance or breach thereof or from the manufacture sale delivery resale or use of any goods covered by or furnished by Tweco 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 Tweco 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 TWECO S SOLE JUDGMENT MAY IMPAIR THE SAFETY OR PERFORMANCE OF ANY TWECO PRODUCT PURCHASER S RIGHTS UNDER THIS WARRANTY ARE VOID IF THE PRODUCT IS SOLD TO PUR CHASER BY NON AUTHORIZED PERSONS The warranty is effective for the time stated below beginning on the date that the authorized distributor delivers the products to the Purchaser Notwithstanding the foregoing in no event shall the warranty period extend more than the time stated plus one year from the date Tweco delivered the product to the authorized distributor This Page Intentionally Blank WARRANTY SCHEDULE Tweco 5 Years Parts 3 Years Labor ArcMaster Excelarc Fabricator Fabstar PowerMaster Portafeed Ultrafeed Ultima 150 WC 100B 5 years on the Original Main Power Transformer and Inductors not mounted on PCBoards 8 years on Power Supply Components 2 Years Parts and Labor Unless specified A
60. hen the programmed VRD voltage is changed E30 08 Configuration front panel A wrong type of front panel Check flat ribbon cable between is connected The internal MAPRO X2 and front panel Identification of the front Connect correct front panel panel does not match with the saved configuration Ae to Machine Configuration on Pg E31 04 Communication FPGA DSP The FPGA does not recognize Switch machine off and on again at a any activity of the DSP permanent error the MAPRO needs to be exchanged E31 05 Communication primary Fault in the communication Switch machine off and on again DSP between primary DSP Check flat ribbon cable between 08 04 and the DSP of the DRV04 and MAPRO MAPRO E31 06 Communication primary There is no signal from the DSP Startup primary DSP DRV04 to the DSP of the MAPRO during startup E32 01 Overcurrent FPGA A primary input current 80A Check secondary diodes was measured Check primary modules Check wiring between DRV04 X6 and MAPRO X7 Check flat ribbon cable between MAPRO and DRV04 Refer to Monitoring Primary Input Current on Pg 6 16 E32 02 Timeout When driving the power Check wiring between DRV04 X6 and TROUBLESHOOTING unit no zerocrossing of the current was detected after a certain time 6 4 MAPRO X7 Manual 0 5359 ARCMASTER 401MST POWER SOURCE Code Error Cause Possible Remedy E32 04 Overcurrent IPMax A primary
61. in water to cool it or lay it down on the ground shocks or severe burns The electrode and or the work surface Do not touch holders connected Work circuit is electrically live whenever the to two welding machines at the same time or touch output is on The input power circuit and other people with the holder or electrode machine internal circuits are also live when power is on In semi automatic or automatic 8 Do not use worn damaged undersized or poorly wire welding the wire wire reel drive roll spliced cables housing and all metal parts touching the 9 Do not wrap cables around your body welding wire are electrically live Incorrectly is a hazard ground 1 Do not touch live electrical parts 11 Donottouch electrode while in contact with the work ground circuit 2 Wear dry hole free insulating gloves and body MN protection 12 Use only well maintained equipment Repair or replace damaged parts at once 3 Insulate yourself from work and ground using dry insulating mats or covers 13 In confined spaces or damp locations do not use a welder with output unless it is equipped with installing or servicing this equipment Lock input power disconnect switch open or remove line fuses 14 Wear a safety harness to prevent falling if working so power cannot be turned on accidentally above floor level 15 Keep all panels and covers securely in place Manual 0 5359 1 1 SAFETY INSTRUCTIONS AND WARNIN
62. input current gt 60 Check secondary diodes was measured Check primary modules Check wiring between DRV04 X6 and MAPRO X7 Check flat ribbon cable between and DRVO4 Refer to Monitoring Primary Input Current on Pg 6 16 E33 01 Unsymmetric bus voltage The difference between power modules the bus voltages of power Check flat ribbon cable between module 1 and 2 is gt 60V MAPRO and DRVO4 E33 02 Unsymmetric bus voltage The difference between Refer to Monitoring Bus Voltage on Pg Startup the bus voltages of power 6 8 module 1 and 2 is 60V at startup E34 00 Current fan too high The driver current is above Check fans the maximum limit gt 2 5 Refer to Fan Control on Pg 6 13 for longer than 0 9s E40 00 Voltage measuring socket During the test of the power Check flat ribbon cable between unit there is no output MAPRO and DRV04 voltage at the welding socket Check wiring between pole switch to DRVO4 Refer to Schematic of PCB DRV04 on Pg 6 21 and Monitoring Output Voltage on Pg 6 10 E41 00 Phase Loss The primary DSP detected a Check mains supply loss of at least one phase of the mains Check wiring between NEFI and DRVO4 X5 Refer to Monitoring Mains Input on Pg 6 14 Table 6 2 Power Source Faults 6 03 Test Equipment and Tools Digital Multimeter DCclip on ammeter Screwdriver and spanner e 20 Mhz bandwidth a
63. itoring Mains Input The mains input is monitored directly by the DRVO4 If one of the mains phases is missing or gets lost during welding the machine stops with 41 00 Phase loss Schematic 6 13 Machine Configuration The hardware configuration is saved internally inside the machine When switching on the MAPR0401 is reading the configuration and compares it with the actual present hardware identifications of the DRVO4 switch and encoding resistors the actual software version and the identification of the front panel If the configuration could not be read correctly the machines stops with E30 Configuration Schematic 401 6 5 7 4 Hs 7 5 G Art A 12654 TROUBLESHOOTING 6 14 Manual 0 5359 ARCMASTER 401MST POWER SOURCE Encoding Resistors 4 Ala 1 Ne Pg ime 127 Li ind Im its y 1 mi Naj 1 13 O 19191616616 Art A 12655 Configuration x 390 863 Configuration Module type 1 Module type 2 Table 6 10 Table 6 11 Not mounted x Mounted DIP switch settings 1 Multi voltage Non multi voltage 2 230V mains power units parallel 400V mains power units in row Table 6 12 When switching on the machine the machine configuration is read out of the memory If the configuration is not readable valid the machine stops with 30 00 Configuration
64. l resonant capacitors Capturing output voltage Measuring points Measuring Point Result No load voltage X2 5 80V X2 1 Table 6 17 Only at machines with no VRD at machines with activated VRD the VRD voltage is measured Picture PCB 0 01 Art A 12663 Schematic MAPRO401 Art A 12664 Manual 0 5359 6 23 TROUBLESHOOTING ARCMASTER 401MST POWER SOURCE 5 0401 Functions Welding process control Weld sequence control Fan control Temperature monitoring Monitoring primary input current Monitoring welding current voltage Communication operating elements front panel remote control Measuring points Designation 0 Measuring Point Internal supply voltage 24V EE NEM 24V DC X8 1 Internal supply voltage 16V E 16V DC X5 2 Table 6 18 Picture PCB MAPRO401
65. lding current flows from the Power Source via dinse type connectors It is essential however that the male plug is inserted and turned securely to achieve a sound electrical connection B Connect the control cable from the Wirefeeder to the 14 PIN or 19 PIN socket on the Power Source as applicable Manual 0 5359 4 15 OPERATION ARCMASTER 401MST POWER SOURCE WARNING Before connecting the work clamp to the work piece make sure the mains power supply is switched off NOTE Welding Setup Program Storage 10 programs applies to MIG Stick and Lift modes Positive Welding Terminal r P Negative Welding Terminal Pin Control Socket Art A 12553 2 ji gt Wirefeeder Tweco No 4 MIG Torch Figure 4 9 Setup for FCAW Flux Core Arc Welding OPERATION 4 16 Manual 0 5359 ARCMASTER 401MST POWER SOURCE 4 07 Special Function Amphenol Selecto Contactor Control Parameter Selection Button Lover Remote Control Encoder Control Process Selection Button Figure 4 10 Art 12458 AC MIG CO Gouging and 6010 Vertical Down There are three special functions that can be accessed by pressing the selection button for 2 seconds MIG CO Gouging and 6010 Vertical Down MIG CO In MIG mode hold the Process Selection Button for 2 seconds and the LED will blink indicating MIG CO mode is enabled 6010 Down In 6010 mode hold the process Selection Bu
66. ll not burn these substances become highly explosive They can ignite and burn violently in the presence of oxygen Keep ALL apparatus clean and free of grease oil and other flammable substances SAFETY INSTRUCTIONS AND WARNINGS ARCMASTER 401MST POWER SOURCE C Ventilation A WARNING Adequately ventilate welding heating and cutting work areas to prevent accumula tion of explosive or toxic concentrations E Compressed Gas Cylinders The Department of Transportation DOT approves the design and manufacture of cylinders that contain gases used for welding or cutting operations 1 Place the cylinder Figure 1 1 where you will use it Keep the cylinder in a vertical position Secure it to a cart wall work bench post etc of gases Certain combinations of metals coatings and gases generate toxic fumes Use respiratory protection equipment in these circumstances When welding brazing read and understand the Material Safety Data Sheet for the welding brazing alloy D Personal Protection Gas flames produce infrared radiation which may have a harmful effect on the skin and especially on the eyes Select goggles or a mask with tempered lenses shaded 4 or darker to protect your eyes from injury and provide good visibility of the work Always wear protective gloves and flame resistant clothing to protect skin and clothing from sparks and slag Keep collars sleeves and pockets buttoned DO NOT roll up sleeves or cuff
67. ll welding processes the amount of penetration obtained is dependent on the welding current i e the greater the penetration the greater the current Manual 0 5359 4 7 OPERATION ARCMASTER 401MST POWER SOURCE Arc Force Position Effect on Welding Performance Minimum 0 Soft arc Low spatter Low penetration Normal arc Improved fusion 0 characteristics Normal penetration Maximum 200 Hard arc Deep penetration Table 4 5 Weld Parameter Descriptions In general having the Arc Force set at 200 maximum allows greater penetration to be achieved With the ARC set at 0 minimum the Power Source has a constant current characteristic In other words varying the arc length does not significantly affect the welding current When the Arc Force is set to 100 it is possible to control the welding current by varying the arc length This is very useful for controlling penetration and side wall wash on vertical up fillet welds Root runs During root runs the weld pool forms a keyhole shape If too much weld current is used the hole blows out and the weld collapses If too little weld current is used the hole closes up and penetration is lost The size of the hole also determines the arc length i e as the hole gets bigger the arc gets longer If arc force is used the increase in the arc length causes the weld current to decrease until the hole starts to close up but if the hole closes up to much then
68. minute duty cycle period the following example is used Suppose a Welding Power Source is designed to operate at a 40 duty cycle 170 amperes at 26 8 volts This means that it has been designed and built to provide the rated amperage 170A for 4 minutes i e arc welding time out of every 10 minute period 4096 of 10 minutes is 4 minutes During the other 6 minutes of the 10 minute period the Welding Power Source must idle and be allowed to cool The thermal cut out will operate if the duty cycle is exceeded 100 90 80 70 60 Duty Cycle PERCENTAGE 0 25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425 450 475 500 Welding Current AMPS Figure 3 1 Duty Cycle Art A 12450 Manual 0 5359 3 1 SAFETY AND INSTALLATION ARCMASTER 401MST POWER SOURCE 3 02 Specifications Nominal Supply Voltage Nominal Supply Frequency 208 230 460VAC 1 phase 15 Description ArcMaster 401MST Power Source Part Number W1009500 Power Source Mass 5510 25kg Power Source Dimensions 16 5 H x 8 3 W x 17 7 D H420mm x W210mm x D450mm Cooling Fan Cooled Welder Type Inverter Power Source Output Terminal Type Dinse 50 Standards CSA E 60974 1 UL 60974 1 Number of Phases 1 3 phase 208 230 460VAC 3 phase 15 50 60Hz Welding Current Range 10 300A 1 phase
69. mp isolating transformer Manual 0 5359 6 5 TROUBLESHOOTING ARCMASTER 401MST POWER SOURCE 6 04 Visually Inspect Visually inspect the inside of the Power Source The levels of current present in these units can cause burning or arcing of PCB transformers switches or rectifier when a failure occurs Carefully inspect all components within these units Look in particular for the following 8 Loose or broken wires or connectors b Burned or scorched parts or wires or evidence of arcing c Any accumulation of metal dust or filings that may have caused shorting or arcing If any parts are damaged they must be replaced Refer to the Spare Parts section for a complete list of compo nents used in the Power Source Locate the faulty component s then replace where necessary TROUBLESHOOTING 6 6 Manual 0 5359 ARCMASTER 401MST POWER SOURCE 6 05 Temperature Monitoring The ArcMaster has three temperature sensors that are monitored As soon as one of the sensors is measuring too high temperature the machine stops with 07 Overtemperature The sub code indicates which sensor detected the overtemperature 401 Art A 12645 x Senor Limit Monitored by Secondary diodes E01 01 MAPRO Primary modules TM1 and TM2 01 02 Middle heat sink temperature Current depending E01 04 MAPRO Table 6 3 The middle heat sink temperature is calculated over a longer period of time The effective limit is cur
70. mperature and will only be operable again if the temperature cools down below 55 C Limits E18 01 Overload gt 40 gt 46 TROUBLESHOOTING 6 10 Manual 0 5359 ARCMASTER 401MST POWER SOURCE 6 08 Supply Voltages The internal supply voltages of the ArcMaster are generated on the primary driver board DRV04 Schematic MAPRO401 12v Art A 12649 As soon as the 16V supply voltage of the MAPRO401 drops below 12V the machine stops with 14 00 Supply Undervoltage Possible reasons Fault in supply unit of the PCB DRVO4 Fault or short circuit in the driver power modules fans 3 3V or 1 2V supply voltages Measuring points PCB DRV04 Designatiom Measuring Point Bus voltage X14 1 Uz ca 580 V DC __ x TI Supply voltage 24V X6 1 24V DC J mE Supply voltage 16V primary X5 1 16V DC U Supply voltage 16V X6 2 16V DC oma ER Supply voltage 16V driver X2 1 16V DC gt ua PP Table 6 7 Manual 0 5359 6 11 TROUBLESHOOTING ARCMASTER 401MST POWER SOURCE 6 09 Monitoring Welding Current The DSP is measuring the welding current directly at a shunt resistor The FPGA is measuring the same current separately via a A D converter Schematic 401 Art A 12650 The current offset is measured in regular intervalls from the DSP as well as from the FPGA If the offset is too high the ma
71. n d s la mise en circuit Le circuit d alimentation et les circuits internes de l quipement sont aussi sous tension d s la mise en marche En soudage automatique ou semi automatigue 7 N utilisez que des porte lectrodes bien isol s Ne 6 Arr tez tout quipement apr s usage Coupez l alimentation de l quipement s il est hors d usage ou inutilis avec fil ce dernier le rouleau ou la bobine de fil le logement des galets d entrainement et toutes les pi ces m talliques en contact avec le fil de soudage sont sous tension Un quipement inadeguatement install ou inadeguatement mis la terre est dangereux 1 Ne touchez pas des pi ces sous tension 2 Portez des gants et des v tements isolants secs et non trou s Manual 0 5359 jamais plonger les porte lectrodes dans l eau pour les refroidir Ne jamais les laisser trainer par terre ou sur les pi ces souder Ne touchez pas aux porte lectrodes raccord s deux sources de courant en m me temps Ne jamais toucher quelqu un d autre avec l lectrode ou le porte lectrode N utilisez pas de c bles lectriques us s endom mag s mal piss s ou de section trop petite SAFETY INSTRUCTIONS AND WARNINGS ARCMASTER 401MST POWER SOURCE 9 N enroulez pas de c bles lectriques autour de votre corps 10 N utilisez qu une bonne prise de masse pour la mise la terre de la pi ce souder 11 Ne touchez pas l lectrode lorsqu en c
72. nds after handling NOTE Considerations About Welding And The Effects of Low Frequency Electric and Mag netic Fields The following is a quotation from the General Conclu sions Section of the U S Congress Office of Technology Assessment Biological Effects of Power Frequency Electric amp Magnetic Fields Background Paper OTA BP E 63 Washington DC U S Government Printing Office May 1989 there is now a very large volume of scientific findings based on experiments at the cel lular level and from studies with animals and people which clearly establish that low frequency magnetic fields interact with and produce changes in biologi cal systems While most of this work is of very high quality the results are complex Current scientific understanding does not yet allow us to interpret the evidence in a single coherent framework Even more frustrating it does not yet allow us to draw definite conclusions about questions of possible risk or to offer clear science based advice on strategies to minimize or avoid potential risks To reduce magnetic fields in the workplace use the following procedures 1 Keep cables close together by twisting or taping them Arrange cables to one side and away from the operator Do not coil or drape cable around the body Keep welding Power Source and cables as far away from body as practical 9 NA The above procedures are among those also normally recomm
73. ng errors to the location in your area listed in the inside back cover of this manual Include all equipment identification numbers as de scribed above along with a full description of the parts in error Move the equipment to the installation site before un crating the unit Use care to avoid damaging the equipment when using bars hammers etc to un crate the unit INTRODUCTION ARCMASTER 401MST POWER SOURCE 2 04 Description The Tweco ArcMaster 401MST is a welding power source incorporating to provide Lift TIG MIG amp FCAW Stick and Gouging welding process The units are also fully compliant to CSA E 60974 1 and UL 60974 1 The following instructions detail how to correctly and safely set up the machine and give guidelines on gaining the best efficiency and quality from the Power Source Please read these instructions thoroughly before using the unit 2 05 User Responsibility This equipment will perform as per the information con tained herein when installed operated maintained and repaired in accordance with the instructions provided This equipment must be checked periodically Defective equipment including welding leads should not be used Parts that are broken missing plainly worn distorted or contaminated should be replaced immediately Should such repairs or replacements become necessary it is recommended that such repairs be carried out by appropriately qualified persons approved by Tweco Advice in
74. ntain them and associated parts in good condition SAFETY INSTRUCTIONS AND WARNINGS ARCMASTER 401MST POWER SOURCE 6 Turn face away from valve outlet when opening cylinder valve Keep protective cap in place over valve except when cylinder is in use or connected for use Read and follow instructions on compressed gas cylinders associated equipment and CGA publication P 1 listed in Safety Standards A WARNING Engines can be dangerous I WARNING ENGINE EXHAUST GASES can kill Engines produce harmful exhaust gases 1 Use equipment outside in open well ventilated areas If used in a closed area vent engine exhaust outside and away from any building air intakes Mi ENGINE FUEL can cause fire or explosion WARNING Engine fuel is highly flammable Stop engine before checking or adding fuel Do not add fuel while smoking or if unit is near any sparks or open flames Allow engine to cool before fueling If possible check and add fuel to cold engine before beginning job Do not overfill tank allow room for fuel to expand Do not spill fuel If fuel is spilled clean up before starting engine x WARNING MOVING PARTS can cause injury Moving parts such as fans rotors and belts can cut fingers and hands and catch loose clothing 1 Keep all doors panels covers and guards closed and securely in place SAFETY INSTRUCTIONS AND WARNI
75. of time shut off the gas at the cylinder valve and release the gas from the equipment 5 OPEN the cylinder valve SLOWLY Close after use User Responsibilities This equipment will perform safely and reliable only when installed operated and maintained and repaired in accordance with the instructions provided Equipment must be checked periodically and repaired replaced or reset as necessary for continued safe and reliable performance Defective equipment should not be used Parts that are broken missing obviously worn distorted or contaminated should be replaced immediately The user of this equipment will generally have the sole responsibility for any malfunction which results from improper use faulty maintenance or by repair by anyone other than an accredited repairer CAUTION Match flowmeter regulator to cylinder NEVER CONNECT a flowmeter regulator designed for a particular gas or gases to a cylinder containing any other gas OPERATION 4 18 Manual 0 5359 ARCMASTER 401MST POWER SOURCE INLET CONNECTION gt OUTLET CONNECTION HIGH PRESSURE GAUGE SUPPLY FLOW GAUGE DELIVERY PRESSURE ADJUSTING SCREW Figure 4 11 Adjusting Flow Rate NOTE The flowmeter regulator used with argon based and carbon dioxide shielding gases are different The flowmeter regulator supplied is for argon based shielding gases If carbon dioxide is to be used a suitable carbon dioxide flowmeter regulator will need to b
76. om unearthed metallic objects close to the welding leads Effective grounding of such objects will prevent re radiation in most cases 3 09 Electromagnetic Compatibility 52 WARNING Extra precautions for Electromagnetic Compatibility may be required when this Welding Power Source is used in a domestic Situation A Installation and Use Users Responsibility The user is responsible for installing and using the welding equipment according to the manufacturer s instructions If electromagnetic disturbances are detected then it shall be the responsibility of the user of the welding equipment to resolve the situation with the technical assistance of the manufacturer In some cases this remedial action may be as simple as earthing the welding circuit see NOTE below In other cases it could involve constructing an elec tromagnetic screen enclosing the Welding Power Source and the work complete with associated input Manual 0 5359 3 7 ARCMASTER 401MST POWER SOURCE filters In all cases electromagnetic disturbances shall be reduced to the point where they are no longer troublesome NOTE The welding circuit may or may not be earthed for safety reasons Changing the earthing arrangements should only be au thorised by a person who is competent to assess Whether the changes will increase the risk of injury e g by allowing parallel weld ing current return paths which may damage the earth circuits of other equipment Further
77. ontact avec le circuit de soudage terre 12 N utilisez que des quipements en bon tat R parez ou remplacez aussit t les pi ces endommag es 13 Dans des espaces confin s ou mouill s n utilisez pas de source de courant alternatif moins qu il soit muni d un r ducteur de tension Utilisez plut t une source de courant continu 14 Portez un harnais de s curit si vous travaillez en hauteur 15 Fermez solidement tous les panneaux et les capots 1 AR AB 3 AVERTISSEMENT LE RAYONNEMENT DE L ARC PEUT BR LER LES YEUX ET LA PEAU LE BRUIT PEUT ENDOMMAGER L OUIE L arc de soudage produit une chaleur et des rayons ultraviolets intenses susceptibles de br ler les yeux et la peau Le bruit caus par certains proc d s peut endommager l ouie Portez une casque de soudeur avec filtre oculaire de nuance appropri e consultez la norme ANSI 249 indiqu e ci apr s pour vous prot ger le visage et les yeux lorsque vous soudez ou que vous observez l ex cution d une soudure AWS F2 2 2001 R2010 Modifi avec l accord de l American Welding Society AWS Miami Florida Guide de teinte des lentilles Proc d en mm po Soudage l arcavec lectrode enrob e proc d SMAW Soudage l lectrode r fractaire proc d GTAW Taille de l lectrode Soudage l arc sous gaz avec fil plein proc d GMAW et soudage avec fil fourr proc d FCAW
78. outeille d logeant ainsi d ventu Iles pous si res ou salet s qui pourraient tre pr sentes dans la vanne A Mise en Garde Ouvrez la vanne de bouteille l g rement Si vous l ouvrez trop en grand la bouteille pourrait se renverser Quand vous ouvrez fermez rapidement la vanne de bouteille ne vous tenez pas directement devant Op rez toujours cette op ration dans une zone bien ventil e Si une bouteille d acetyl ne crache un brouillard laissez reposer pendant 15 minutes Essayez de nouveau la vanne Si le probl me persiste contactez votre fournis Seur de gaz SAFETY INSTRUCTIONS AND WARNINGS ARCMASTER 401MST POWER SOURCE 1 08 Principales Normes De Securite Safety in Welding and Cutting norme ANSI 749 1 American Welding Society 550 N W LeJeune Rd Miami FL 33128 Safety and Health Standards OSHA 29 CFR 1910 Su perintendent of Documents U S Government Printing Office Washington D C 20402 Recommended Safe Practices for the Preparation for Welding and Cutting of Containers That Have Held Haz ardous Substances norme AWS F4 1 American Weld ing Society 550 N W LeJeune Rd Miami FL 33128 National Electrical Code norme 70 NFPA National Fire Protection Association Batterymarch Park Quincy MA 02269 Safe Handling of Compressed Gases in Cylinders docu ment P 1 Compressed Gas Association 1235 Jefferson Davis Highway Suite 501 Arlington VA 22202 Code for Safety in Welding and
79. oving fuses from fuse box or shutting off and red tagging circuit breaker or other disconnecting device Electrical Input Requirements Operate the welding power source from a single or three phase 50 60 Hz AC power supply The input voltage must match one of the electrical input voltages shown on the input data label on the unit nameplate Contact the local electric utility for information about the type of electrical service available how proper connections should be made and inspection required The line disconnect switch provides a safe and convenient means to completely remove all electrical power from the welding power supply whenever necessary to inspect or service the unit NOTE This unit is equipped with a three conductor with earth power cable that is connected at the welding power source end for single or three phase electrical input power Do not connect an input WHITE BLACK or RED conductor to the ground terminal Do not connect the ground GREEN conductor to an input line terminal Refer to Figure 3 2 and 1 Connect end of ground GREEN conductor to a suitable ground Use a grounding method that complies with all applicable electrical codes 2 For 3 phase operation connect ends of line 1 BLACK and line 2 WHITE and line 3 RED input conduc tors to a de energized line disconnect switch For 1 phase operation connect BLACK and WHITE input conductors Insulate the RED Conductor 3 Use Table 3 2 as a guide to
80. packaging materials Do not block the air vents at the front or rear of the Power Source Connect the Electrode Holder to the positive welding terminal or negative welding terminal If in doubt consult the electrode manufacturer Welding current flows from the Power Source via dinse type connectors It is essential however that the male plug is inserted and turned securely to achieve a sound electrical connection Connect the work lead to the negative welding terminal or positive welding terminal If in doubt consult the electrode manufacturer Welding current flows from the Power Source via dinse type connectors It is essential however that the male plug is inserted and turned securely to achieve a sound electrical connection WARNING The polarity of the electrode depends on the type of electrode and the welding process Please follow the manufacturer s instructions on the electrode packaging for this purpose TION Loose welding terminal connections can cause overheating and result in the male plug being fused in the terminal AN Before connecting the work clamp to the workpiece make sure the mains power supply is switched off Select STICK mode by pressing Process Selection Button until the STICK Gouging and 6010 Process LEDs are lit Please refer to Page 4 3 for detailed info STICK Welding Current Range Factory setting 10 to 300 A 1 phase 10 to 400 A 3 phase Table 4 8 STICK Welding
81. plus sombre pour prot ger vos yeux des dommages et garder une bonne visibilit sur le travail Portez en permanence des gants de protection et des v tements ignifuges pour la protection de la peau et des v tements contre les tincelles et le laitier Gardez col 1 14 Manual 0 5359 manches et poches boutonn s I ne faut pas remonter vos manches ou les pantalons revers Quand vous travaillez dans un environnement non d di au soudage ou d coupage portez toujours une protection des yeux appropri es ou un masque facial A AVERTISSEMENT Mettez en pratique les proc dures de s curit et de mode op ratoire suivantes chaque fois que vous utilisez cet appareil de r gulation de pression Si vous de ces procedures cela peut entra ner incendie explosion d g ts mat riels et ou blessures corporelles pour l op rateur E Bouteilles de Gaz Comprim Le D partement des Transports am ricain DOT ap prouve la conception et la fabrication des bouteilles qui contiennent les gaz utilis s pour les op rations de soudage ou de d coupage 1 Placez la bouteille Le sch ma 1 l o elle sera utilis e Gardez la en position verticale Fixez la sur un chariot une cloison un tabli etc Le sch ma 1 1 Cylindres de gaz A AVERTISSEMENT Les bouteilles sont sous haute pression Manip ulez les avec pr cautions Des accidents s rieux peuvent r sulter d une mauvaise manutention ou d un mauvais
82. r these headings These special annotations are easily recognized as follows WARMING gives information regarding possible personal injury CAUTION A CAUTION refers to possible equipment damage NOTE A NOTE offers helpful information concern ing certain operating procedures You will also notice icons from the safety section ap pearing throughout the manual These are to advise you of specific types of hazards or cautions related to the portion of information that follows Some may have multiple hazards that apply and would look something a A TN 2 Manual 0 5359 2 1 2 02 Equipment Identification The unit s identification number specification or part number model and serial number usually appear on a nameplate attached to the control panel In some cases the nameplate may be attached to the rear panel Equipment which does not have a control panel such as gun and cable assemblies is identified only by the specification or part number printed on the shipping container Record these numbers on the bottom of page ii for future reference 2 03 Receipt of Equipment When you receive the equipment check it against the invoice to make sure it is complete and inspect the equipment for possible damage due to shipping If there is any damage notify the carrier immediately to file a claim Furnish complete information concerning damage claims or shippi
83. re approximate only Achiev able capacities and ratings in use and operation will depend upon correct installation use applications maintenance and service Note 2 The Effective Input Current should be used for the determination of cable size amp supply require ments Note 3 Motor start fuses or thermal circuit breakers are recommended for this application Check local requirements for your situation in this regard Note 4 Generator Requirements at the Maximum Output Duty Cycle Due to large variations in performance and specifications of different brands and types of generators Tweco cannot guarantee full welding output power or duty cycle on every brand or type of generator Tweco recommends that when selecting a generator that the particular power source generator com bination be adequately tested to ensure the combination performs to the users expectations Note 5 Tweco reserves the right to change product performance and specifications without notice Manual 0 5359 3 3 SAFETY AND INSTALLATION ARCMASTER 401MST POWER SOURCE 3 03 Environment These units are designed for use in environments with increased hazard of electric shock as outlined in IEC 60974 1 A Examples of environments with increased hazard of electric shock are 1 In locations in which freedom of movement is restricted so that the operator is forced to perform the work in a cramped kneeling sit ting or lying position with physical contact wi
84. re being used calibration values found read instead that may cause a difference between the displayed current value and the real current value Configuration No valid default value for the A standard value is used instead maximum current maximum current could be found that may be less than the maximum read possible current of the machine Configuration duty No valid duty cycle values could be Standard values are being used cycle values found read instead that may be lower than the true duty cycle of the machine Table 6 1 Power Source Status Messages Manual 0 5359 6 1 TROUBLESHOOTING ARCMASTER 401MST POWER SOURCE 6 02 Error Messages WARNING There are extremely dangerous voltage and power levels present inside this Inverter Power Source Do not attempt to open or repair unless you are an accredited Tweco Service Provider Disconnect the Welding Power Source from the Mains Supply Voltage before disassembling An error code is displayed in the digital displays in the event of a malfunction You can switch over between error code and sub error sub code in the digital displays by pressing any button As long as there is an error code on display welding is not possible Code Error Cause Possible Remedy E01 01 Overtemperature diodes The maximum temperature Let the machine cool down in standby limit was exceeded Refer to Temperature Monitoring E0
85. rent depending that means if the machine is used with a current setting below the 100 duty cycle the 01 04 can never come up As long as the error message E01 is active the machine can not be used The fans keep running to cool down the machine as soon as the temperature drops below 55 C the machine is operable again If one of the temperature sensors should be faulty or is disconnected from the measuring circuits the machine stops with 73 temperature sensor error Senor Code Reason O Secondary diodes E13 01 After a certain welding time no temperature increase Primary modules TM1 and E13 02 could be detected The sensor continuously measures TM2 the minimum temperature of 29 C Table 6 4 The temperature sensor at the diodes has a resistance value of about 10kW at 25 C Manual 0 5359 6 7 TROUBLESHOOTING ARCMASTER 401MST POWER SOURCE 6 06 Monitoring Bus Voltage Right from switching on the machine the bus voltage is monitored directly by the DSP of the DRVO4 As soon as the voltage gets too high the machine stops with E02 Overvoltage In this case the mains relays power up relays at the DRV04 are switched off so that the power up resistors are active again lowering the input voltage The actual value of the bus voltage is send from the DSP of the DRVO4 to the MAPRO401 The MAPR0401 itself is measuring the bus voltage at the output of the supply unit internal supply of the MAPRO401 and the voltage at both primar
86. respect to the product This warranty is void and seller bears no liability hereunder if purchaser used replacement parts or accessories which in VICTOR TECHNOLOGIES s sole judgment impaired the safety or performance of any VICTOR TECHNOLOGIES product Purchaser s rights under this warranty are void if the product is sold to purchaser by unauthorized persons THE AMERICAS Denton TX USA U S Customer Care Ph 1 800 426 1888 tollfree Fax 1 800 535 0557 tollfree International Customer Care Ph 1 940 381 1212 Fax 1 940 483 8178 Miami FL USA Sales 0ffice Latin America Ph 1 954 727 8371 Fax 1 954 727 8376 Oakville Ontario Canada Canada Customer Care Ph 1 905 827 4515 Fax 1 800 588 1714 tollfree EUROPE Chorley United Kingdom Customer Care Ph 44 1257 261755 Fax 44 1257 224800 Milan Italy Customer Care Ph 39 0236546801 Fax 39 0236546840 ASIA PACIFIC Cikarang Indonesia Customer Care Ph 6221 8990 6095 Fax 6221 8990 6096 Rawang Malaysia Customer Care Ph 603 6092 2988 Fax 603 6092 1085 Melbourne Australia Australia Customer Care Ph 1300 654 674 tollfree Ph 61 3 9474 7400 Fax 61 3 9474 7391 International Ph 61 3 9474 7508 Fax 61 3 9474 7488 Shanghai China Sales Office Ph 86 21 64072626 Fax 86 21 64483032 Singapore Sales Office Ph 65 6832 8066 Fax 65 6763 5812 VICTOR U S Customer Care 800 426 1888 FAX 800 535 0557 Canada Cus
87. s If you have any questions or concerns regarding your new Tweco product please contact our friendly and knowledgeable Customer Service Team at 1 800 462 2782 USA and 1 905 827 4515 Canada or visit us on the web at www Tweco com WARNINGS Read and understand this entire Manual and your employer s safety practices if applicable before installing operating or servicing the equipment While the information contained in this Manual represents the Manufacturer s best judgment the Manufacturer assumes no liability for its use Service Manual Number 0 5359 for Tweco ArcMaster 401MST Power Source Part Number W1009500 Published by Victor Technologies Inc 16052 Swingley Ridge Road Suite 300 St Louis MO 63017 USA www victortechnologies com Copyright O 2014 by Victor Technologies Inc All rights reserved Reproduction of this work in whole or in part without written permission of the publisher is prohibited The publisher does not assume and hereby disclaims any liability to any party for any loss or damage caused by any error or omission in this Manual whether such error results from negligence accident or any other cause Publication Date August 29 2014 Revision Date November 11 2014 Record the following information for Warranty purposes Where Purchased Purchase Date Equipment Serial TABLE OF CONTENTS SECTION 1 SAFETY INSTRUCTIONS AND WARNINGS
88. s for both Current or Voltage depending on the process selected This control toggles between Local and Remote Refer to 4 07 Special Function for more info Manual 0 5359 4 3 OPERATION ARCMASTER 401MST POWER SOURCE 9 Contactor Control Local Control Remote Control Contactor Control either enables the weld output or assigns this function to a remote device Refer to 4 07 Special Function for more info 10 Positive Welding Terminal Welding current flows from the Power Source via heavy duty Dinse type terminal It is essential however that the male plug is inserted and turned securely to achieve a sound electrical connection 11 Negative Welding Terminal Welding current flows from the Power Source via heavy duty Dinse type terminal It is essential however that the male plug is inserted and turned securely to achieve a sound electrical connection Loose welding terminal connections can cause overheating and result in the male plug being fused in the terminal 12 Intelligent Fan Control The intelligent cooling system is designed to reduce dust and foreign material build up while providing optimum cooling Fan speed reduces approximately 30 seconds after machine is turned on and increases when internal components reaches operating temperature 13 14 Pin Remote Control Socket The 14 pin Remote Control Socket is used to connect Remote Control devices or wire feeders that use a 14 pin connection to the welding
89. select line fuses for the disconnect switch Fuse Size InputVoltage Phase 3Phae Table 3 2 Electrical Input Connections NOTE Fuse size is based on not more than 200 percent of the rated input amperage of the welding power source Based on Article 630 National Electrical Code Manual 0 5359 3 5 SAFETY AND INSTALLATION ARCMASTER 401MST POWER SOURCE Welding Power Source x Ground Conductor Line Disconnect Switch Line Fuse Primary Power Cable Art A 12451 Figure 3 2 Electrical Input Connections Input Power Each unit incorporates an INRUSH circuit and input voltage sensing circuit When the MAIN SWITCH is turned ON the inrush circuit provides a pre charging of the input capacitors A relay in the Main Power PCB2 will turn on after the input capacitors have charged to operating voltage after approximately 5 seconds NOTE Note the available input power Damage to the PCB could occur if 529VAC or higher is applied 3 07 High Frequency Introduction The importance of correct installation of high frequency welding equipment cannot be overemphasized Interference due to high frequency initiated or stabilised arc is almost invariably traced to improper installation The following information is intended as a guide for personnel installing high frequency welding machines WARNING EXPLOSIVES The high frequency section of this machine has an output similar to a radio transmitter The machin
90. side Do not weld on closed containers such as tanks or drums Connect work cable to the work as close to the welding area as practical to prevent welding current from traveling long possibly unknown paths and causing electric shock and fire hazards 9 Do not use welder to thaw frozen pipes 10 Remove stick electrode from holder or cut off welding wire at contact tip when not in use gt WARNING FLYING SPARKS AND HOT METAL can cause injury Chipping and grinding cause flying metal As welds cool they can throw off slag 1 Wear approved face shield or safety goggles Side shields recommended 2 Wear proper body protection to protect skin WARNING CYLINDERS can explode if damaged Shielding gas cylinders contain gas under high pressure If damaged a cylinder can explode Since gas cylinders are normally part of the welding process be sure to treat them carefully Protect compressed gas cylinders from excessive heat mechanical shocks and arcs Install and secure cylinders in an upright position by chaining them to a stationary support or equipment cylinder rack to prevent falling or tipping Keep cylinders away from any welding or other electrical circuits Never allow a welding electrode to touch any cylinder Useonly correct shielding gas cylinders regulators hoses and fittings designed for the specific application mai
91. sure the breathing air is safe Do not weld in locations near degreasing cleaning or spraying operations The heat and rays of the arc can react with vapors to form highly toxic and irritating gases Do not weld on coated metals such as galvanized lead or cadmium plated steel unless the coating is removed from the weld area the area is well ventilated and if necessary while wearing an air supplied respirator The coatings and any metals containing these elements can give off toxic fumes if welded 2 5 WARNING WELDING can cause fire or explosion Sparks and spatter fly off from the welding arc The flying sparks and hot metal weld spatter hot workpiece and hot equipment can cause fires burns Accidental contact of electrode or welding wire to metal objects can cause sparks overheating or fire Protect yourself and others from flying sparks and hot metal Do not weld where flying sparks can strike flammable material Remove all flammables within 35 ft 10 7 m of the welding arc If this is not possible tightly cover them with approved covers Bealertthat welding sparks and hot materials from welding can easily go through small cracks and openings to adjacent areas Watch for fire and keep a fire extinguisher nearby Manual 0 5359 ARCMASTER 401MST POWER SOURCE 6 Beaware that welding on a ceiling floor bulkhead or partition can cause fire on the hidden
92. th conductive parts 2 In locations which are fully or partially limited by conductive elements and in which there is a high risk of unavoidable or accidental contact by the operator 3 In wet or damp hot locations where humidity or perspiration considerable reduces the skin resistance of the human body and the insulation properties of accessories B Environments with increased hazard of electric shock do not include places where electrically conductive parts in the near vicinity of the operator which can cause increased hazard have been insulated 3 04 Location Be sure to locate the welder according to the following guidelines A In areas free from moisture and dust B Ambient temperature between 32 to 104 F C In areas free from oil steam and corrosive gases D In areas not subjected to abnormal vibration or shock m In areas not exposed to direct sunlight or rain F Placeata distance of 300mm or more from walls or similar that could restrict natural air flow for cooling G The enclosure design of this power source meets the requirements of IP23S as outlined in IEC 60529 This provides adequate protection against solid objects greater than 1 2 12mm and direct protection from vertical drops Under no circumstances should the unit be operated or connected in a micro environment that will exceed the stated conditions For further information please refer to IEC 60529 H Precautions must be tak
93. the arc length decreases which causes the weld current to increase Too little or too much arc force makes this process unstable The operator must adjust the arc force until a happy medium is reached Vertical up welding When welding vertical up with arc force on the operator can control the amount of current by changing arc length i e voltage Weld metal is deposited by digging the electrode into the side of the base metal joint and then increasing the arc length with a flicking motion to allow the weld pool to freeze before digging the electrode into the other side of the base metal joint Without arc force increasing the arc length does not decrease the weld current sufficiently and the operator has to manually decrease the current via a Remote Control to freeze the weld pool This welding current reduction also reduces the penetration The arc force allows the weld pool to freeze during the flick phase without decreasing the amount of weld current available during the dig phase thus maximizing penetration Weld Parameter Range Factory Incremental Parameter Setting Unit WELD V We 10 0 to 38V 20V 0 1V INDUCTAMCE 0 to 200 100 1 HOT START TIG 50 to 200 50 1 HOT START STICK 100 to 200 125 1 WELD A 1 phase WG or STICK 10 to 300A 100A 1A WELD A 3 phase TG or STICK 10 to 400A 100A 1A ARC FORCE 0 to 200 100 1 Table 4 6 Weld Parameter Setting OPERATION 4 8 Manual 0 53
94. this regard can be obtained by contacting an Accredited Tweco Distributor This equipment or any of its parts should not be altered from standard specification without prior written ap proval of Tweco The user of this equipment shall have the sole responsibility for any malfunction which results from improper use or unauthorized modification from standard specification faulty maintenance damage or improper repair by anyone other than appropriately qualified persons approved by Tweco INTRODUCTION 2 2 2 06 Transporting Methods A 3 2 Disconnect input power ductors from de energized supply line before moving the welding Power Source Lift Power Source with handle on top of case Use handcart or similar device of adequate capacity If using a fork lift vehicle secure the Power Source on a proper skid before transporting 2 07 Packaged Items ArcMaster 401MST Inverter Power Source Part No W1009500 ArcMaster 401MST Inverter Power Source w 10 ft input power cable 50mm male Dinse connector x 2 Operating Manual English CD Operating Manual Eng Fr Sp Manual 0 5359 ARCMASTER 401MST POWER SOURCE SECTION 3 SAFETY AND INSTALLATION 3 01 Duty Cycle The rated duty cycle of a Welding Power Source is a statement of the time it may be operated at its rated weld ing current output without exceeding the temperature limits of the insulation of the component parts To explain the 10
95. tion Hors Tension Torch de Soudage Purge Du Gaz Mode Continu de Soudure Soudure Par Point Dur c du Pulse Dur e de Pr D bit Dur e de Post D bit 2 Temps Appuyez pour d ruarer l alimentation du fils et la soudure le rel cher pour arr ter D tente 4 Temp lt h Maintenez appuyez pour pr d bit relailez pour initier l arc Appuyez pour l arc et mainteuir pour pr d bit Probl me de Terre M tres Par Minute Art A 07639 Note Pour les environnements avec des risques de choc lectrique le fournisseur d nergie portant la marque S conforme EN50192 lorsqu utilis en conjonction avec des lampes de poche avec des conseils expos s si quip s avec des guide l hauteur de buse correctement install gt Ne pas d poser avec les d chets m nagers Manual 0 5359 1 17 SAFETY INSTRUCTIONS AND WARNINGS ARCMASTER 401MST POWER SOURCE Notes SAFETY INSTRUCTIONS AND WARNINGS 1 18 Manual 0 5359 ARCMASTER 401MST POWER SOURCE SECTION 2 INTRODUCTION 2 01 How To Use This Manual To ensure safe operation read the entire manual includ ing the chapter on safety instructions and warnings Throughout this manual the words WARNING CAUTION and NOTE may appear Pay particular atten tion to the information provided unde
96. tomer Care 905 827 4515 FAX 800 588 1714 International Customer Care 940 381 1212 FAX 940 483 8178 INNOVATION TO SHAPE THE WORLD 2012 Victor Technologies International Inc www victortechnologies com Printed in Germany
97. tton for 2 seconds and the LED will blink indicating 6010 Vertical Down mode is enabled Lock Unlock User Interface Ul UI Lock Function can be enabled or disabled by pressing Encoder Control for 5 seconds NOTE The function lock setting is saved If the machine is switched off with the function lock activated the control panel is still locked when the machine is switched back on LED Test Press Amphenol Selector or Parameter Selection Button for 2 seconds to start LED test The test will last for about 5 seconds During the test all LEDs are lit Enable Calibration in MIG Mode In MIG mode the adjustment to output voltage can be enabled or disabled as below 1 Press Contactor Control and Process Selection Button at the same time for 2 seconds 2 Rotate Encoder Control to select CAL ON OFF 2a Adjust the output voltage with the potentiometer on Control PCB 5 by 596 refer to Figure 4 2 3 Press Encoder Button Encoder Control to save the setting Display Software Version Press Remote Control and Contactor Control buttons at the same time for 2 seconds and it will display the software version of User Interface Ul master and process Manual 0 5359 4 17 OPERATION ARCMASTER 401MST POWER SOURCE Master Reset WARNING The 401MST can have master reset All the jobs saved will be deleted and all parameters will be set back to factory setting This function is accessed by pressing Parameter Selection Button and Remote Control
98. ude ou entrainement avant d utiliser l equipement Toute personne n ayant pas suivi un entrainement intensif en soudage et coupage ne devrait pas tenter de souder Certaines pratiques concernent les quipements raccord s aux lignes d alimentation alors que d autres s adressent aux groupes lectrog nes La norme 249 1 de l American National Standard intitul e SAFETY IN WELDING AND CUTTING pr sente les pratiques s curitaires suivre Ce document ainsi que d autres guides que vous devriez connaitre avant d utiliser cet quipement sont pr sent s la fin de ces instructions de s curit SEULES DES PERSONNES QUALIFIEES DOIVENT FAIRE DES TRAVAUX D INSTALLATION DE REPARATION D ENTRETIEN ET D ESSAI Isolez vous de la souder et de la mise la 1 06 Dangers relatifs au soudage 3 terre au moyen de tapis isolants ou autres l arc Z AVERTISSEMENT L ELECTROCUTION PEUT ETRE MORTELLE 4 D connectez la prise d alimentation de l quipement ou arr tez le moteur avant de l installer ou d en faire l entretien Bloquez le commutateur en circuit ouvert ou enlevez les fusibles de l alimentation afin d viter une mise en marche accidentelle 5 Veuillez installer cet quipement et le mettre la terre selon le manuel d utilisation et les codes nationaux provinciaux et locaux applicables Une d charge lectrique peut tuer ou br ler gravement L lectrode et le circuit de soudage sont sous tensio
99. uteille et une lectrode de soudage N utilisez que des bouteilles de gaz protecteur des d tendeurs des boyauxs et des raccords concus pour chaque application sp cifique ces quipe ments et les pi ces connexes doivent tre maintenus en bon tat Ne placez pas le visage face l ouverture du robinet de la bouteille lors de son ouverture SAFETY INSTRUCTIONS AND WARNINGS 7 Laissez en place le chapeau de bouteille sauf si en utilisation ou lorsque raccord pour utilisation Lisez et respectez les consignes relatives aux bouteilles de gaz comprim et aux quipements connexes ainsi que la publication P 1 de la CGA identifi e dans la liste de documents ci dessous 9 AVERTISSEMENT LES MOTEURS PEUVENT ETRE DAN GEREUX LES GAZ D ECHAPPEMENT DES MOTEURS PEUVENT ETRE MORTELS Les moteurs produisent des gaz d chappement nocifs 1 Utilisez l quipement l ext rieur dans des aires ouvertes et bien ventil es Si vous utilisez ces quipements dans un endroit confin les fum es d chappement doivent tre envoy es l ext rieur loin des prises d air du b ti ment 4 AVERTISSEMENT LE CARBURANT PEUR CAUSER UN IN CENDIE OU UNE EXPLOSION Le carburant est hautement inflammable Arr tez le moteur avant de v rifier le niveau e car burant ou de faire le plein Ne faites pas le plein en fumant ou proche d une source d tincelles ou
100. uto Darkening Welding Helmet electronic Lens 1 Month Harness Assy Victor Regulator for Fabricator 141i No labor 1 Years Parts and Labor Unless specified 958 Water recirculators All Plasma Welding consols i e WC 1 Controller WT Timer WF 100 Capstain Feeder etc 180 days parts and Labor Unless specified Plasma Welding Torch and leads packages Gas Regulators Supplied with power sources No Labor 90 days parts No Labor Remote Controls MIG and TIG Torches Supplied with power sources Replacement repair parts 30 days parts No Labor MIG Torch for Fabricator 141i 5 2 1 years Parts No Labor FirePower amp Welders VICTOR 5 Years Parts No Labor Victor amp Professional Victor Technologies limited warranty shall not apply to Consumable Parts for MIG TIG Plasma welding Plasma cutting and Oxy fuel torches O rings fuses filters or other parts that fail due normal wear Warranty repairs or replacement claims under this limited warranty must be submitted by an authorized VICTOR TECHNOLOGIES repair facility within thirty 30 days of the repair employee agent or representative of VICTOR TECHNOLOGIES is authorized to change this warranty way or grant any other warranty and VICTOR TECHNOLOGIES shall not be bound by any such attempt Correction of non conformities the manner and time provided herein constitutes fulfillment of VICTOR TECHNOLOGIES s obligations to purchaser with
101. wly open the cylinder valve If opened quickly a sudden pressure surge may damage internal flowmeter regulator parts 2 With valves on downstream equipment closed adjust flowmeter regulator to approximate working pressure Itis recommended that testing for leaks at the flowmeter regulator connection points be carried out using a suitable leak detection solution or soapy water 3 Purge air or other unwanted welding grade shielding gas from equipment connected to the flowmeter regulator by individually opening then closing the equipment control valves Complete purging may take up to ten seconds or more depending upon the length and size of the hose being purged Manual 0 5359 4 19 OPERATION ARCMASTER 401MST POWER SOURCE Adjusting Flow Rate Figure 4 12 Adjust Flow Rate With the flowmeter regulator ready for operation adjust working flow rate as follows 1 Slowly turn adjusting screw knob in clockwise direction until the outlet gauge indicates the required flow rate NOTE It be necessary to re check the shielding gas flowmeter regulator flow rate following the first weld sequence due to back pressure present within shielding gas hose assembly 2 To reduce flow rate allow the welding grade shielding gas to discharge from flowmeter regulator by opening the downstream valve Bleed welding grade shielding gas into a well ventilated area and away from any ignition source Turn adjusting screw counter clockwise until
102. y modules TM1 and TM2 If the minimum value of 390V DC is not reached during startup switching on the machine stops with 22 03 Undervoltage Startup Schematic 401 3 3V Art A 12646 In general the values of both bus voltages at the power modules TM1 and TM2 are equal symmetric If there should be a difference gt 60V the machine stops with E33 01 Unsymmetric bus voltage If a difference 60V is detected during startup the machine stops with 33 02 Unsymmetric bus voltage Startup As soon as the difference gets below 60V the error code is reset Code Reason Trigger E02 02 During startup the maximum limit of 700V DC was exceeded DRV04 E02 03 The DSP of the MAPRO401 measured a too high bus voltage at the supply DSP MAPRO401 transformer secondary E02 04 The maximum limit of 750V DC or 400V DC at the modules was exceeded DRV04 during operation E02 05 FPGA measured a too high bus voltage gt 400V DC at the modules FPGA MAPRO401 E22 03 During startup the minimum limit of 390V DC was not reached DRV04 E33 01 The difference between the bus voltages of module 1 and 2 is greater 60V DRV04 E33 02 The difference between the bus voltages of module 1 and 2 is greater 60V at DRVO4 startup Table 6 5 TROUBLESHOOTING 6 8 Manual 0 5359 ARCMASTER 401MST POWER SOURCE Measuring points bus voltage Art A 12647

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