Table of Contents
Advertisement
CONTENTS
OPERATION AND WIRING DIAGRAMS................ 2
REPAIR GUIDE...................................................... 9
SPARE PARTS LIST...............................................18
REPAIR SHEET...................................................... 20
" 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
9
10
10
13
15
n o
inver ter
p r o b l e m ! "
cod. 988637
Advertisement
Table of Contents
Related Manuals for Telwin TECNICA144-164
Summary of Contents for Telwin TECNICA144-164
-
Page 1: Table Of Contents
cod. 988637 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 the block diagram Illustrations Wiring diagrams REPAIR GUIDE............9 Equipment required General repair instructions Troubleshooting and remedies... -
Page 2: Operation And Wiring Diagrams
TECNICA 144 - 164 OPERATION AND WIRING DIAGRAMS OPERATION AND WIRING DIAGRAMS OPERATION AND WIRING DIAGRAMS OPERATION AND WIRING DIAGRAMS BLOCK DIAGRAM - 2 -... -
Page 3: Analysis Of The Block Diagram
TECNICA 144 - 164 Block 9 ANALYSIS OF THE BLOCK DIAGRAM Inductance NOTE: Unless indicated otherwise, it should be assumed that Consisting of: L1. the components are assembled on the power board. Levels the secondary board diodes’ output current making it practically continuous. - Page 4 TECNICA 144 - 164 Block 19 Block 27 Adder Undervoltage safeguard Consisting of: U2C. Consisting of: R39, R64, U2B . Gathers all the information from block 17 (primary current If the main supply voltage falls below the minimum allowed reader and limiter), from block 20 (alarms) and from block 22 value this safeguard triggers (a tolerance of approx.
-
Page 5: Illustrations
TECNICA 144 - 164 ILLUSTRATIONS Power boad (18) DUTY CYCLE MAKER (12) (13) PRIMARY EMC AUXILIARY POWER AUXILIARY POWER RECTIFIER FILTRE BRIDGE PRE-CHARGE SUPPLY TRIGGER SUPPLY (19) ADDER (22) FILTER CURRENT POTENTIOM. (28) POWER SUPPLY CHOPPER (21) ALARM (15) TRANSFORMER SEPARATOR POWER TRANSFORMER... -
Page 6: Wiring Diagrams
TECNICA 144 - 164 WIRING DIAGRAMS General wiring diagram - 6 -... - Page 7 TECNICA 144 - 164 Wiring diagram power board – power supply - 7 -...
- Page 8 TECNICA 144 - 164 Wiring diagram power board – driver / control - 8 -...
-
Page 9: Repair Guide
3 Variac 0 - 300v 1500 VA cod. 802402 (*) 4 Digital multimeter USEFUL INSTRUMENTS 5 Unsoldering station 6 Miscellaneous tools (*)The instruments with codes can be supplied by Telwin. The sale price is available on request. - 9 -... -
Page 10: General Repair Instructions
Telwin. Electrolytic capacitors C21,C22 fig. 3 For further information on machine specifications and Probable cause operation, refer to the Instruction Manual. -
Page 11: Power Transformer
TECNICA 111 ageing after a considerable number of working hours; of the power and control parts of the power source. overheating caused by thermostatic capsule failure. 6.1 Preparation for testing IGBT's Q5, Q8 fig. 4 Set up the oscilloscope with the voltage probe x100 Probable cause: connected between pin 3 of Q4 and the earth on the case of U3 discontinuation in snubber network;... - Page 12 PCB (2 for each dissipator) This is the reference code for requesting a replacement: and fasten them down with the screws (torque wrench Telwin may supply boards that are compatible but with setting for screws 1 Nm ±20%); different codes.
-
Page 13: Testing The Machine
TECNICA 144 - 164 1.2 Scheduled tests for the TECNICA 144 on the welding side cut away the protruding part of the rheofores and check they are not shorted (between the A) Minimum load test: gate and emitter in particular). set up the ohmic load with the switch settings as in the table fig. - Page 14 TECNICA 144 - 164 C) Rated load test: E) Running time test and closing the machine set up the ohmic load with the switch settings as in the Under the load conditions shown in fig. F and with the current table in fig.
-
Page 15: Illustrations
TECNICA 144 - 164 ILLUSTRATIONS FIG. 1 SCREWS CURRENT REGULATION FASTENING POTENTIOMETER HANDLE SCREWS POWER SUPPLY LED FASTENING TOP COVER ALARM LED DINSE SOCKET SCREWS SCREWS FASTENING FASTENING FRONT PANEL BACK PANEL - 15 -... - Page 16 TECNICA 144 - 164 FIG. 2A FILTER POWER SUPPLY POWER CAPACITORS FAN WIRE INTERRUPTOR TRANSFORMER DIODES BRIDGE DISSIPATOR SECONDARY PRIMARY INDUCTANCE BOTTOM DISSIPATORS DISSIPATORS FIG. 2B BUMP BUMP RHEOFORES RHEOFORES CONTACTS CONTACTS FAN THERMOSTAT (NEGJ4, POSJ4) (J8, J9) DISSIPATOR SCREWS SCREWS FASTENING FASTENING...
-
Page 17: Driver
TECNICA 144 - 164 FIG. 3 C21, C22 R18, R35 U3 U2 ISO1 DISSIPATORS FOR IGBT DISSIPATORS FOR IGBT FIG. 4 DRIVER PRIMARY IGBT IGBT DIODE PRIMARY IGBT DIODE SECONDARY DIODES - 17 -... -
Page 18: Spare Parts List
TECNICA 144 - 164 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. Pour avoir les pieces detachees, dont manque la reference, il faudra preciser: modele, logo et tension de I'appareil;... -
Page 19: Power Transformer
In order to improve the service, each servicing centre is requested to fill in the technical card on the following page at the end of every repair job. Please fill in this sheet as accurately as possible and send it to Telwin. Thank you in advance for your co-operation! -
Page 20: Repair Sheet
TECNICA 144 - 164 Official servicing centers Repairing sheet 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 Mechanichal stresses the machine has undergone to cription: Dirty grade... - Page 21 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 UNI EN ISO 9001:2000...
Need help?
Do you have a question about the TECNICA144-164 and is the answer not in the manual?
Questions and answers