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CONTENTS
OPERATION AND ELECTRICAL DIAGRAMS................... 2
- Analysis of block diagram
- Electrical diagrams
REPAIR GUIDE.................................................................. 10
SPARE PARTS LIST.......................................................... 17
REPAIR SHEET................................................................. 19
" r e p a r a t i o n
TROUBLESHOOTING
TROUBLESHOOTING
TROUBLESHOOTING
TROUBLESHOOTING
AND REPAIR MANUAL
AND REPAIR MANUAL
AND REPAIR MANUAL
AND REPAIR MANUAL
PAGE
2
3
5
6
10
11
11
14
16
n o
inver ter
p r o b l e m ! "
cod. 988401
31/05/02
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Table of Contents
Related Manuals for Telwin TECNICA 1400
Summary of Contents for Telwin TECNICA 1400
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Page 1: Table Of Contents
cod. 988401 inver ter TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING AND REPAIR MANUAL AND REPAIR MANUAL AND REPAIR MANUAL AND REPAIR MANUAL CONTENTS PAGE OPERATION AND ELECTRICAL DIAGRAMS....2 - Block diagram - Analysis of block diagram - Illustrations - Electrical diagrams REPAIR GUIDE.............. -
Page 2: Block Diagram
TECNICA 1400 - 1600 OPERATION AND WIRING DIAGRAMS OPERATION AND WIRING DIAGRAMS OPERATION AND WIRING DIAGRAMS OPERATION AND WIRING DIAGRAMS BLOCK DIAGRAM - 2 -... - Page 3 TECNICA 1400 - 1600 ANALYSIS OF THE BLOCK DIAGRAM Block 8 Power transformer NOTE: Unless indicated otherwise, it should be Consisting of: T3 assumed that the components are assembled on the Reduces the voltage converted by block 6 (chopper), primary board.
- Page 4 TECNICA 1400 - 1600 Block 21 Block 15 Power transformer thermostat Duty cycle maker Consisting of: ST1 thermostatic capsule. Consisting of: U2 (control board) = UC 3845 When the temperature of the power transformer is Processes the information from block 16 (adder) and too high, this safeguard is triggered.
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Page 5: Illustrations
TECNICA 1400 - 1600 ILLUSTRATIONS Power board PRE-CHARGE RECTIFIER BRIDGE POWER TRANSFORMER EMC FILTER FLY-BACK TRANSFORMER POTENTIOMETER POWER SUPPLY LED ALARM LED 15 DUTY CYCLE MAKER FILTER GALVANIC SEPARATOR INDUCTANCE THERMOSTATIC CAPSULE SECONDARY ON POWER DRIVER CHOPPER DIODES TRANSFORMER SECONDARY... - Page 6 TECNICA 1400 - 1600 WIRING DIAGRAM General wiring diagram – TECNICA 1400 – 1600 - 6 -...
- Page 7 TECNICA 1400 - 1600 Wiring diagram for power – power supply/control board - 7 -...
- Page 8 TECNICA 1400 - 1600 Wiring diagram for power – power/driver board - 8 -...
- Page 9 TECNICA 1400 - 1600 Wiring diagram for control board - 9 -...
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Page 10: Repair Guide
3 Variac 0 - 300v 1500 VA cod. 802402 (*) 4 Digital multimeter USEFUL INSTRUMENTS 5 Unsoldering station MISCELLANEOUS 6 Cutting nippers 7 Flat jaw pincers (*)The instruments with codes can be supplied by Telwin. The sale price is available on request. - 10 -... -
Page 11: General Repair Instructions
TECNICA 1400 - 1600 GENERAL REPAIR INSTRUCTIONS 2) Cleaning the inside of the machine Using compressed air, carefully clean the components of The following is a list of practical rules which must be the power source since dirt is a danger to parts subject to strictly adhered to if repairs are to be carried out correctly. - Page 12 0-300 Vac. condition and the connectors are inserted and/or attached correctly. Tests for the TECNICA 1400 To do this, take the cables between finger and thumb (as A) Switch on the variac (initially set to the value 0 V), switch...
- Page 13 The board is identified by a 6-digit code (printed in white on the component side after the initials TW). This is the reference code for requesting a replacement: Telwin may supply boards that are compatible but with different codes Warning: before inserting a new board check it carefully for damage that may have occurred in transit.
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Page 14: Testing The Machine
E) Connect the machine plug to the variac. along them. - On the welding side cut away the protruding part of the Tests for the TECNICA 1400. rheofores and check they are not shorted (between the A) Average load test:... - Page 15 - Check that the voltage waveforms on the oscilloscope display resemble those in figure F. WARNING! Voltage and current measurements for the TECNICA 1400 and 1600 should be made at a main power supply voltage FIGURE F of at least 220Vac.
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Page 16: Illustrations
TECNICA 1400 - 1600 ILLUSTRATIONS FIG. 1 CURRENT ADJUSTMENT POTENTIOMETER COVER FASTENING POWER SCREWS SUPPLY LED ALARM LED COVER DINSE SOCKETS FASTENING SCREWS FIG. 2A FIG. 2B MAIN BOARD FAN BUMP SWITCH FASTENING BOARD RHEOFORES CONTACTS FILTER RHEOFORES CONNECTIONS FAN WIRES... - Page 17 TECNICA 1400 - 1600 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.
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Page 18: Spare Parts List
Relais Induccion Enchufe Dinse Relais Technical repair sheet: To improve our service, on completing each repair we request all Service Centres to complete the technical repair sheet as on the next page, and return it to Telwin. - 18 -... - Page 19 TECNICA 1400 - 1600 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 20 TELWIN S.p.A. - Via della Tecnica, 3 36030 VILLAVERLA (Vicenza) Italy Tel. +39 - 0445 - 858811 9001 Fax +39 - 0445 - 858800 / 858801 E-mail: telwin@telwin.com http://www.telwin.com CERTIFIED QUALITY SYSTEM...
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