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CONTENTS
OPERATION AND WIRING DIAGRAMS.........................2
REPAIR GUIDE..............................................................12
SPARE PARTS LIST...................................................... 24
REPAIRING CARD........................................................ 27
" r e p a r a t i o n n o - p r o b l e m "
TROUBLESHOOTING
TROUBLESHOOTING
TROUBLESHOOTING
TROUBLESHOOTING
AND REPAIR MANUAL
AND REPAIR MANUAL
AND REPAIR MANUAL
AND REPAIR MANUAL
PAGE
2
3
5
7
12
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inver ter
Cod.988343
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Table of Contents
Related Manuals for Telwin Superior Plasma 90 HF
Summary of Contents for Telwin Superior Plasma 90 HF
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Page 1: Table Of Contents
Cod.988343 inver ter TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING AND REPAIR MANUAL AND REPAIR MANUAL AND REPAIR MANUAL AND REPAIR MANUAL CONTENTS PAGE OPERATION AND WIRING DIAGRAMS......2 Block diagram Analysis of block diagram Illustrations Wiring diagrams REPAIR GUIDE..............12 Equipment required General repair instructions Troubleshooting and remedies Testing the machine Illustrations... -
Page 2: Operation And Wiring Diagrams
SUPERIOR PLASMA 90 HF OPERATION AND WIRING DIAGRAMS OPERATION AND WIRING DIAGRAMS OPERATION AND WIRING DIAGRAMS OPERATION AND WIRING DIAGRAMS BLOCK DIAGRAM... -
Page 3: Analysis Of Block Diagram
SUPERIOR PLASMA 90 HF D3, D4 and D5 recirculate the inductance output current (block ANALYSIS OF THE BLOCK DIAGRAM 9) while the IGBT's are not conducting, bypassing the power NOTE: Unless indicated otherwise, it should be assumed that transformer(block 8). - Page 4 SUPERIOR PLASMA 90 HF Block 18 Block 25 Alarm block Power transformer thermostat Consisting of: Q3, D12, D15 (control board) Consisting of: thermostatic capsule ST2 When an alarm is detected, the block drastically limits machine When the temperature in the power transformer is too high this output current by acting directly on and changing the reference safeguard triggers.
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Page 5: Illustrations
SUPERIOR PLASMA 90 HF Block 35 Block 38 HF safeguard HF filter Consisting of: D3, K4, C9, C8 (hf filter board) Consisting of: R1, R2, C2, C2A, C3, C4 and C5 (hf filter board). The HF safeguard is powered by block 34 (auxiliary... -
Page 6: Control Board
SUPERIOR PLASMA 90 HF Secondary board (24) SECONDARY DIODE THERMOSTAT (9) DIODESECONDARY Control board (21) MAXIMUM (18) CURRENT ALARM BLOCK CONTROL . (16) DUTY CYCLE MAKER (20) HALL SENSOR AMPLIFIERS (17) (19) ADDER MICROCONTROLLER... -
Page 7: Wiring Diagrams
SUPERIOR PLASMA 90 HF WIRING DIAGRAMS General wiring diagram Wiring diagram input filter board... - Page 8 SUPERIOR PLASMA 90 HF Wiring diagram primary board - power Wiring diagram primary board - driver...
- Page 9 SUPERIOR PLASMA 90 HF Wiring diagram control board - A Wiring diagram control board - B...
- Page 10 SUPERIOR PLASMA 90 HF Wiring diagram control board - C Wiring diagram control board - D...
- Page 11 SUPERIOR PLASMA 90 HF Wiring diagram HF filter board Wiring diagram secondary board Wiring diagram auxiliary control Wiring diagram HF filter board...
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Page 12: Repair Guide
802440 (*) 4 Digital multimeter 5 Hall probe 802406 (*) USEFUL INSTRUMENTS 6 Unsoldering station MISCELLANEOUS 7 Flat jaw pincers 8 Cutting nippers (*) The instruments with codes can be supplied by Telwin. The sale price is available on request! -
Page 13: General Repair Instructions
SUPERIOR PLASMA 90 HF GENERAL REPAIR INSTRUCTIONS The following is a list of practical rules which must be strictly WARNING: adhered to if repairs are to be carried out correctly. BEFORE PROCEEDING WITH REPAIRS TO THE A) When handling the active electronic components, in particular... - Page 14 SUPERIOR PLASMA 90 HF Air inlet fan fastened to the back (fig. 2B) control circuit failure (driver); Check whether dirt is adversely affecting correct rotation of the poor thermal contact between IGBT's and dissipator (e.g. blades; if there is still damage after cleaning replace the fan.
- Page 15 SUPERIOR PLASMA 90 HF transformer (E ALTO and C BASSO); 6.2 Scheduled tests the connections of the auxiliary transformer and to the A) Switch on switch SW1 of the wiring in fig.A (auxiliary power auxiliary board; supply) and verify that:...
- Page 16 (printed in white on the component side after the initials TW). This emitter in particular). code should be used for reference when ordering replacements: N.B. The 10 IGBT's should belong to the same selection Kit Telwin reserves the right to supply boards that are compatible but supplied by Telwin.
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Page 17: Testingthe Machine
SUPERIOR PLASMA 90 HF B) Removing the secondary board (fig. 5) G) Connect the power supply cable of the machine to a 3-phase Unless the dissipator has been damaged by a destructive variac with variable output 0-500 Vac. explosion of the diodes, the secondary board should not generally N.B. - Page 18 SUPERIOR PLASMA 90 HF if the output current on the load is not 90A, adjust it using D) Checking the secondary board diode voltages: R55 on the control board ( fig. 7 set up the dual trace oscilloscope by connecting probes CH1...
- Page 19 SUPERIOR PLASMA 90 HF G) Checking torch operation (fig. K) If the load test was positive but arc strike is difficult or even impossible, the fault could be located in the torch. With the machine disconnected from the main supply check electrical...
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Page 20: Illustrations
SUPERIOR PLASMA 90 HF ILLUSTRATIONS SCREW SCREW SCREWS SCREWS SCREWS SCREWS SCREWS TOP COVER SCREWS BOTTOM... - Page 21 SUPERIOR PLASMA 90 HF RED LED YELLOE LED YELLOE LED FOR GENERAL YELLOW LED FOR PHASE FAILURE FOR AIR FAILURE FOR TORCH VOLTAGE ALARM SWITCH POST-AIR GREEN LED FOR POWER SUPPLY SCREWS SCREWS FASTENING CONTROL FASTENING CONTROL BOARD BOARD CURRENT...
- Page 22 SUPERIOR PLASMA 90 HF HALL POWER SUPPLY AUXILIARY PRIMARY BOARD AUXILIARY BOARD SENSOR TRANSFORMER CONTROL BOARD POWER TRANSFORMER INDUCTANCE SECONDARY BOARD BOTTOM INPUT FILTER BOARD SOLENOID VALVES FILTER BOARD BOARD PRESSURE SWITCH AUXILIARY CONTROL BOARD...
- Page 23 SUPERIOR PLASMA 90 HF SECONDARY DIODES TRANSFORMER THERMOSTAT D5, D4, D3 BOTTOM SECONDARY BOARD DIODES D1, D2 SENSOR SECONDARY HALL SNUBBER C1 C5 C4 C2 C1A C4AC2A C5A IGBT R1, R2 OPTO ISOLATOR BOARD IGBT DISSIPATOR IGBT AND DIODES BRIDGE...
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Page 24: Spare Parts List
SUPERIOR PLASMA 90 HF ELENCO PEZZI DI RICAMBIO - LISTE PIECES DETACHEES SPARE PARTS LIST - ERSATZTEILLISTE PIEZAS DE REPUESTO Esploso macchina, Dessin appareil, Machine drawing, Explosions Zeichnung des Geräts, Diseño seccionado maquina. Per richiedere i pezzi di ricambio senza codice precisare: codice del modello; il numero di matricola; numero di riferimento del particolare sull'elenco ricambi. - Page 25 SUPERIOR PLASMA 90 HF ELENCO PEZZI DI RICAMBIO ELENCO PEZZI DI RICAMBIO ELENCO PEZZI DI RICAMBIO ELENCO PEZZI DI RICAMBIO PIECES DETACHEES PIECES DETACHEES PIECES DETACHEES PIECES DETACHEES SPARE PARTS LIST SPARE PARTS LIST SPARE PARTS LIST SPARE PARTS LIST REF.
- Page 26 SUPERIOR PLASMA 90 HF Esploso torcia, Dessin torche, Torch drawing, Schlauchpaket - Explosionszeichnung, Diseño seccionado antorcha. ELENCO PEZZI RICAMBIO TORCIA ELENCO PEZZI RICAMBIO TORCIA ELENCO PEZZI RICAMBIO TORCIA CODE CODE CODE LISTE PIECES DETACHEES TORCHE LISTE PIECES DETACHEES TORCHE LISTE PIECES DETACHEES TORCHE REF.
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Page 27: Repairing Card
SUPERIOR PLASMA 90 HF Official servicing centers Repairing card Date: Inverter model Serial number: Company: Technician: In which place has the inverter been used? Building yard Workshop Others: Supply: Power supply From mains without extension From mains with extension m... - Page 28 TELWIN S.p.A. - Via della Tecnica, 3 9001 36030 VILLAVERLA (Vicenza) Italy Tel. +39 - 0445 - 858811 Fax +39 - 0445 - 858800 / 858801 CERTIFIED QUALITY SYSTEM E-mail: telwin@telwin.com http://www.telwin.com...
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How is it connected
Is superior inverter 90 hf a 3 phase or 2 phase connections