Table Of Contents - Kemppi Kempact 253R Service Manual

CONTENTS
1. PARTS OF MACHINE................................................................................................................................................................................ 3
2. TECHNICAL INFORMATION ..................................................................................................................................................................... 5
2.1. Technical data ................................................................................................................................................................................ 5
2.2. Main circuit diagrams ..................................................................................................................................................................... 9
3.1. Main components ........................................................................................................................................................................ 13
3.1.1. Terminal block X001 ............................................................................................................................................................. 13
3.1.2. Varistors R001 ...................................................................................................................................................................... 13
3.1.3. Main switch S001 ................................................................................................................................................................. 13
3.1.4. Terminal block X009 ............................................................................................................................................................. 13
3.1.6. Test connector X006 ............................................................................................................................................................ 13
3.1.7. Auxliary transformer T002 and rectifier bridge G003 .......................................................................................................... 13
3.1.8. Control card A001 ................................................................................................................................................................ 13
3.1.8.1. Auxiliary power supply ................................................................................................................................................ 13
3.1.8.2. Microcontroller ............................................................................................................................................................ 13
3.1.8.3. Motor control .............................................................................................................................................................. 13
3.1.8.4. PWM ............................................................................................................................................................................ 14
3.1.9. Fans M001, M002 ................................................................................................................................................................ 14
3.1.10. Solenoid valve Y001 ........................................................................................................................................................... 14
3.1.11. Wire feed motor M003 ...................................................................................................................................................... 14
3.1.12. Brights led card P002 ......................................................................................................................................................... 14
3.1.13. Panel card P001 ................................................................................................................................................................. 14
3.1.14. Main transformer T001 ...................................................................................................................................................... 14
3.1.15. Secondary rectifier card Z002 ............................................................................................................................................ 14
3.1.16. Secondary choke L001 ....................................................................................................................................................... 15
3.1.17. Output RFI filter C001, C002 .............................................................................................................................................. 15
3.1.18. Output terminal X004 ........................................................................................................................................................ 15
3.1.19. Euro connector X005.......................................................................................................................................................... 15
3.2. Main circuit diagram 181-, 251-models ....................................................................................................................................... 15
3.2.1. PFC Choke L002 .................................................................................................................................................................... 15
3.2.2. PFC circuit auxiliary transformer T003 ................................................................................................................................. 15
3.2.3. Main circuit card Z001 ......................................................................................................................................................... 15
3.2.3.1. EMC Filter .................................................................................................................................................................... 15
3.2.3.2. Inrush current limiting ................................................................................................................................................. 15
3.2.3.3. IGBT driver ................................................................................................................................................................... 15
3.2.3.4. Current transformer T1 ............................................................................................................................................... 15
3.2.3.5. Main circuit .................................................................................................................................................................. 15
3.2.3.6. PFC Boost control circuitry .......................................................................................................................................... 16
3.3. Main circuit diagram 253-, 323-models ....................................................................................................................................... 16
3.3.1. Main circuit card Z001 ......................................................................................................................................................... 16
3.3.1.1. EMC filter ..................................................................................................................................................................... 16
3.3.1.2. Inrush current limiting ................................................................................................................................................. 16
3.3.1.3. IGBT driver ................................................................................................................................................................... 16
3.3.1.4. Current transformer T1 ............................................................................................................................................... 16
3.3.1.5. Main circuit .................................................................................................................................................................. 16
3.4. Main circuit diagram 253MV-, 323MV-models ............................................................................................................................ 18
3.4.1. General ................................................................................................................................................................................ 18
3.4.2. Main circuit card Z001 ......................................................................................................................................................... 18
3.4.2.1. EMC filter ..................................................................................................................................................................... 18
3.4.2.2. Inrush current limiting ................................................................................................................................................. 18
3.4.2.3. IGBT driver ................................................................................................................................................................... 18
3.4.2.4. Current transformer T1 ............................................................................................................................................... 18
3.4.2.5. Main circuit .................................................................................................................................................................. 18
3.4.2.6. PFC Boost control circuitry .......................................................................................................................................... 18
4. MAIN CIRCUIT CARD Z001 .................................................................................................................................................................... 19
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SERVICE MANUAL
KEMPACT RA_V_1.2
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