7.3.5 AC Input Bus Bars 93
7.3.5.1 Electrical Fuses Only 93
7.3.5.2 RFI Only 93
7.3.5.3 Fuses and RFI 94
7.3.5.4 No Options 94
7.3.6 Line Power Input Terminal Block 94
7.3.7 Motor Terminal Block 95
7.3.8 Power Terminal Mounting Plate 95
7.3.9 Current Sensors 95
7.3.10 Mixing Fan 95
7.3.11 Balance/High Frequency Card 95
7.3.11.1 400 V AC Power Size 95
7.3.11.2 690 V AC Power Size 96
7.3.12 DC Bus Rails 96
7.3.13 Inrush Card 97
7.3.14 IGBT Gate Drive Card 97
7.3.15 SCR Input Bus Bars 97
7.3.16 SCRs 98
7.3.17 Brake IGBT Module 98
7.3.18 IGBTs 99
7.3.18.1 400 V AC Power Size 99
7.3.18.2 690 V AC Power Size 99
7.3.19 DC Capacitors 100
7.3.19.1 400 V AC Power Size 100
7.3.19.2 690 V AC Power Size 101
7.3.20 Heatsink Fan 102
7.3.21 Door Fan: IP21 (NEMA 1) or IP54 (NEMA 12) Enclosures Only 102
7.3.22 Top Fan: (IP20 Enclosures Only) 102
7.4 D2h/D4h Disassembly and Assembly Instructions
103
7.4.1 General Information 103
7.4.2 Control Card and Control Card Mounting Plate 103
7.4.3 Power Card Mounting Plate 103
7.4.4 Power Card 104
7.4.5 AC Input Bus Bars 104
7.4.5.1 Electrical Fuses Only 104
7.4.5.2 RFI Only 105
7.4.5.3 Fuses and RFI 105
7.4.5.4 No Options 105
Contents Service Manual
Danfoss A/S © Rev. 2014-02-10 All rights reserved. MG94A222
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