ESAB 350mpi Instruction Manual Download Page 24 | Manualshive

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SECTION 3

OPERATION

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Summary of Contents for 350mpi

Page 1: ...and Safe Practices for Arc Welding Cutting and Gouging Form 52 529 Do NOT permit untrained persons to install operate or maintain this equipment Do NOT attempt to install or operate this equipment until you have read and fully understand these instructions If you do not fully understand these instructions contact your supplier for further information Be sure to read the Safety Precautions before i...

Page 2: ...any malfunction which results from improper use faulty maintenance damage improper repair or alteration by anyone other than the manufacturer or a service facility designated by the manufacturer PREFACE The purpose of this manual is to provide the operator with information required to install and operate the power source Some technical reference material is also provided to assist in basic trouble...

Page 3: ...nnections 14 2 5 Output Connections 15 SECTION 3 OPERATION 19 3 1 General 19 3 2 Welding Controls Indicators 19 3 3 MIG GMAW CV Operation 21 3 4 TIG GTAW CC Operation 21 3 5 Stick SMAW CC Operation 22 3 6 Overview of Error Codes and Programs Updates 23 SECTION 4 MAINTENANCE 25 4 1 General 25 4 2 Inspection and Cleaning 25 SECTION 5 TROUBLESHOOTING 27 5 1 General 27 5 2 Functionality Check Table 5 ...

Page 4: ...4 TABLE OF CONTENTS ...

Page 5: ...es on the workpiece which might pro duce flammable or toxic vapors Do not do hot work on closed containers They may explode 4 Have fire extinguishing equipment handy for instant use such as a garden hose water pail sand bucket or portable fire extinguisher Be sure you are trained in its use SAFETY PRECAUTIONS 10 98 5 Do not use equipment beyond its ratings For example overloaded welding cable can ...

Page 6: ...ike an arc on a cylinder 5 For additional information refer to CGA Standard P 1 Precautions for Safe Handling of Compressed Gases in Cylinders which is available from Compressed Gas Association 1235 Jefferson Davis Highway Arlington VA 22202 EQUIPMENT MAINTENANCE Faulty or improperly maintained equipment can cause injury or death Therefore 1 Always have qualified personnel perform the installa tio...

Page 7: ...t éloigné de la zone de travail augmente en effet le risque de passage d un courant de sortie par des chaînes de PRÉCAUTIONS DE SÉCURITÉ AVERTISSEMENT Ces règles de sécurité ont pour objet d assurer votre protection Veillez à lire et à observer les précautions énoncées ci dessous avant de monter l équipement ou de commercer à l utiliser Tout défaut d observation de ces précautions risque d entraîn...

Page 8: ...particulières en matière de ventilation indiquées à l alinéa 6 de la norme Z49 1 de l AWS 5 ENTRETIEN DE L ÉQUIPEMENT Un équipement entretenu de façon défectueuse ou inadéquate risque non seulement de réaliser un travail de mauvaise qualité mais chose plus grave encore d entraîner des dommages corporels graves voire mortels en déclenchant des incendies ou des chocs électriques Observez par conséqu...

Page 9: ...extintor de fuego para uso instantáneo como por ejemplo una manguera con agua cubeta con agua cubeta con arena o extintor portátil Asegúrese que usted esta entrenado para su uso PRECAUCION DE SEGURIDAD 5 No use el equipo fuera de su rango de operación Por ejemplo el calor causado por cable sobrecarga en los cables de soldar pueden ocasionar un fuego 6 Después de termirar la operación del equipo in...

Page 10: ... capote de protección sobre la válvula si el regulador no está conectado Asegure y mueva los cilindros utilizando un carro o transporte adecuado Evite el manejo brusco de los Las siguientes publicaciones disponibles através de la American Welding Society 550 N W LeJuene Road Mi ami FL 33126 son recomendadas para usted 1 ANSI ASC Z49 1 Safety in Welding and Cutting 2 AWS C5 1 Recommended Practices ...

Page 11: ...y cycle with a load of 350 amperes at 34 V dc with 3 phase input Duty cycle is defined as the ratio of operating time to total time Ratings are based on a 10 minute cycle The 60 duty cycle rating means that the 350 ampere 34 volt rated load can be applied for a total of 6 minutes and shut off for a total of 4 minutes in a 10 minute period If the welding current or voltage is reduced the duty cycle...

Page 12: ...ional voltage drops will occur in the welding cable torch cable and in the workpiece The use of proper size welding cable and secure electrical connections for the electrode and ground circuits will minimize these effects which ad versely affect welding conditions and waste electrical energy cv mode Volt Amp Curve F M S SECTION 1 DESCRIPTION ...

Page 13: ... materials that may obstruct air flow through the power source D If the equipment is not to be installed immedi ately store it in a clean dry well ventilated area 2 1 GENERAL Thissectionprovidesdetailedinstructionsfortheproper installationoftheESAB350mpipowersourcefrominitial receipt of the equipment to output welding connections It is recommended that these instructions be followed carefullytoall...

Page 14: ...or input line voltage 2 4 3 400 440V Model NOTE Asshippedfromthefactory theESAB350mpi 400 440 V model is set for 440 volts input If you will be operating the machine from a 400 V source open the switch access panel on the rear panel on the machine and flip the Voltage Selector Switch to the 400 V position The ESAB 350mpi is designed to compensate for line voltage variations of plus or minus 10 per...

Page 15: ...sen the ON OFF switch cable connection T3 located inside the power source 4 Remove theredwirefromcableconnectionT3 ELECTRIC SHOCK CAN KILL After the red wire has been removed from L2 its center conductor is exposed This conductor must be covered with an insulating material Failure to do so properly could cause a serious electrical shock hazard 5 Re attach the top cover with hardware re moved in st...

Page 16: ...ing cable insulation must have a voltage rating that is high enough to withstand the open circuit voltage of the machine The supplied male output connectors will not accept anything smaller than 2 gauge 35 mm cable as close together as possible to limit this resistance Makesurethattheworkcable ground islargeenough kept as short as possible properly insulated securely connected to the workpiece and...

Page 17: ...17 Figure 2 4 Male Output Cable Connectors P N 13792513 Figure 2 5 MIG GMAW Interconnection Diagram SECTION 2 INSTALLATION REMOTE CONTROL HC 5 P N 34838 ...

Page 18: ...nection Diagram Figure 2 6 TIG GTAW Interconnection Diagram ELECTRODE STRAIGHT PORALITY electrode negative REVERSE PORALITY electrode positive ELECTRODE SECTION 2 INSTALLATION REMOTE CONTROL HC 5 P N 34838 REMOTE CONTROL HC 5 P N 34838 ...

Page 19: ...sition Machine is controlled by the local front panel controls 2 REMOTE position Machine control is switched to the device plugged into the REMOTE RECEPTACLE D APPLICATION SELECT SWITCH This switch selects specific application characteristics when the PROCESS CONTROL SWITCH is in the MIG position regardless of the PANEL REMOTE SWITCH position Each selection fine tunes the specific arc characterist...

Page 20: ...the MIG mode Depressing the PRESET SWITCH displays the output voltage level in the VOLTS window for the given OUTPUT CONTROL setting 2 PROCESS SELECT SWITCH in the STICK TIG Touch TIG modes Depressing the PRESET SWITCH displays the output current level in the AMPS window for the given OUTPUT CONTROL setting L STICK ARC FORCE MIG ARC TRIM This control allows the welder to fine tune arc characterist...

Page 21: ...alue in the VOLTS DISPLAY The PRESET SWITCH is only functional with the PANEL settings I Set the ARC TRIM potentiometer to the center position The microprocessor will provide the optimum arc characteristics for each APPLI CATION setting Additional adjustment may be made to suit specific needs or preferences and can be particularly effective in short cir cuiting arc applications NOTE When the HC 5 ...

Page 22: ...potentiom eter L For remaining accessory operations refer to theappropriateinstructionliteraturesupplied with your particular system 3 5 STICK SMAW CC OPERATION A Makeallsecondaryoutputconnectionstothe powersourceoutputreceptaclesasdescribed in section 2 and as shown in the appropriate accessory instruction literature B After the primary input connections have been made in accordance with section ...

Page 23: ...re of an output diode the Hall Effect current sensor or a magnetic short to chassis Program Updates The current program is PRG 1 04 The program has undergone 2 changes The first was to reduce the low line voltage referred to in ERR 2 The reason for this was that the MIG35 wire feeder was causing the machine to shut off due to its heavy draw on the control transformer This heavy load caused the con...

Page 24: ...24 SECTION 3 OPERATION ...

Page 25: ...les with side shields when blowing out the power source with air 4 2 INSPECTION AND CLEANING Since there are no moving parts other than the fan in thepowersource maintenanceconsistmainlyofkeep ingtheinteriorofthecabinetclean Periodically remove the cover from the cabinet and wearing proper eye protection blow accumulated dust and dirt from the air passagesandtheinteriorcomponents usingcleanlow pre...

Page 26: ...26 SECTION 4 MAINTENANCE ...

Page 27: ...o primary power switch 3 Position power source controls as follows PROCESS SELECTOR STICK CURRENT MINIMUM ARC FORCE MINIMUM 4 Turn primary power switch to ON position Does MAIN POWER light Go to next illuminate step 5 Do digital meters show about 68 0 volts and 00 0 amps Go to next step 7 Fan is not energized Go to next step 8 Place PANEL REMOTE switch in the PANEL position Do digital meters Go to...

Page 28: ...28 SECTION 5 TROUBLESHOOTING ...

Page 29: ...he following figures When ordering replacement parts order by part number and part name as listed Always provide theseriesorserialnumberoftheunitonwhichtheparts will be used The serial number is stamped on the unit nameplate SECTION 6 REPLACEMENT PARTS NOTE Bill of material items that have blank part numbers are provided for customer information only Hardware items should be available through loca...

Page 30: ...SECTION 6 REPLACEMENT PARTS ...

Page 31: ... the Wiring and Schematic Diagrams Revision F added parts and Input Connection information for the 400 440V ac model and updated Replacement Parts list Revision G added part designation and number for optional remote control HC 5 P N 34838 Revision H added Error Code and Program Updates in Operation subsection per Customer Serviceinputs Revision J changed BOM Item 63 from 952898 to 0558007860 per ...

Page 32: ... TECHNICAL SERVICE Telephone 800 ESAB 123 Fax 843 664 4452 Part Numbers Technical Applications Hours 8 00 AM to 5 00 PM EST Performance Features Technical Specifications Equipment Recommendations D LITERATURE REQUESTS Telephone 843 664 5562 Fax 843 664 5548 Hours 7 30 AM to 4 00 PM EST E WELDING EQUIPMENT REPAIRS Telephone 843 664 4487 Fax 843 664 5557 Repair Estimates Repair Status Hours 7 30 AM ...

Page 33: ...C Documents and Settings rolfwa Local Settings Temp A45E4A0A 2533 4D08 A5A0 2F103C35952F 36975 dwg 2 of 4 ...

Page 34: ...C Documents and Settings rolfwa Local Settings Temp A45E4A0A 2533 4D08 A5A0 2F103C35952F 36975 dwg 3 of 4 ...

Page 35: ...C Documents and Settings rolfwa Local Settings Temp A45E4A0A 2533 4D08 A5A0 2F103C35952F 36975 dwg 4 of 4 ...

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