7
Required tools .......................................................................................................................................... 29
Find faulty thyristor modules..................................................................................................................... 29
Remove faulty thyristor modules .............................................................................................................. 30
Install new thyristor modules .................................................................................................................... 39
Thyristor module location in T5 units ........................................................................................................ 40
Thyristor module terminals ....................................................................................................................... 40
Exchange SDCS-CON-F 41
General ......................................................................................................................................................... 41
Required Tools ......................................................................................................................................... 41
Overview SDCS-CON-H exchange .......................................................................................................... 41
Service 45
Exchange cooling fans sizes T1 … T3 (two fans) ........................................................................................ 45
Exchange cooling fans size T3 (four fans) ................................................................................................... 48
Exchange cooling fans size T4 ..................................................................................................................... 51
Exchange cooling fans size T5 ..................................................................................................................... 55
Exchange of internal semiconductor fuses in thyristor power controllers size T1 … T4 (20 A ... 740 A) .... 56
Required tools .......................................................................................................................................... 56
Find blown semiconductor fuses .............................................................................................................. 56
Remove blown semiconductor fuses ........................................................................................................ 56
Install new semiconductor fuse(s) ............................................................................................................ 61
Exchange of internal semiconductor fuses in thyristor power controllers size T5 (890 A … 960 A) ............ 62
Required tools .......................................................................................................................................... 62
Find blown semiconductor fuses .............................................................................................................. 62
Remove blown semiconductor fuses ........................................................................................................ 62
Install new semiconductor fuse(s) ............................................................................................................ 69
DCT880 firmware download ......................................................................................................................... 70
General ..................................................................................................................................................... 70
Download SDCS-CON-H firmware using the Drive loader 2.x ................................................................. 70
Set type code ................................................................................................................................................ 75
Preventive Maintenance 76
Recommended regular maintenance ........................................................................................................... 77
Maintenance schedule .................................................................................................................................. 77
Annual preventive maintenance ................................................................................................................... 78
3 years preventive maintenance .................................................................................................................. 79
6 years preventive maintenance .................................................................................................................. 80
9 years preventive maintenance .................................................................................................................. 81
Preventive maintenance Checklist DCT880 ................................................................................................. 82
Appendix A: Spare Parts List 84
T1 (20 A … 125 A) ........................................................................................................................................ 84
T2 (160 A … 245 A) ...................................................................................................................................... 85
T3 (325 A … 420 A) ...................................................................................................................................... 86
T4 (550 A … 740 A) ...................................................................................................................................... 87
T5 (890 A … 960 A) ...................................................................................................................................... 88
Table of contents
3ADW000449R0101 DCT880 Service Manual e a
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