Danfoss iC7 Series Installation Manual Download Page 5

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Place the IGBT module on the heat sink by aligning the mounting holes in the module to those in the heat sink. Refer to

Illustration 2: Mounting the IGBT Module on the Heat Sink

IGBT module fastener

IGBT modules

Brake IGBT modules

Plastic IGBT mounting frame

Insert the mounting screws and hand tighten them.

The IGBT module requires either 4 or 10 screws to fasten it to the heat sink.

Following the fastener tightening sequence shown in

Repeat the same tightening sequence and slowly tighten (maximum 5 RPM) all screws to 100% of the torque value.

AN361427984575en-000101 / 130R0770 | 5

Installation

IGBT Module Replacement for Fx09-Fx12 and E1h–E4h

Installation Guide

Summary of Contents for iC7 Series

Page 1: ...ing kits Table 3 IGBT Module Replacement Kits for iC7 Series Fx09 Fx12 Frequency Converters Kit number Description 176F3944 IGBT dual module 300 A 1200 V Fx09 176F3945 IGBT dual module 450 A 1200 V Fx...

Page 2: ...900 A T4 T5 176F6643 IGBT module 600 A 1700 V T7 176F6644 IGBT module 650 A 1700 V T7 176F6711 IGBT brake module 450 A E1 E3 176F6646 IGBT brake module 450 A E2 E4 1 3 Items Supplied The following par...

Page 3: ...N I N G DISCHARGE TIME The frequency converter contains DC link capacitors which can remain charged even when the frequency converter is not pow ered High voltage can be present even when the warning...

Page 4: ...results in a poor thermal bond and causes premature IGBT failure Ensure that the environment is free of airborne dust and contaminants while applying the thermal grease Clean the heat sink using a clo...

Page 5: ...unting screws and hand tighten them The IGBT module requires either 4 or 10 screws to fasten it to the heat sink Following the fastener tightening sequence shown in Illustration 3 slowly tighten maxim...

Page 6: ...lb Busbar connection torque Nm in lb Diagram Screw tightening order 176F3944 3 3 29 3 3 29 A 1 2 3 4 176F3945 3 3 29 3 3 29 A 1 2 3 4 176F3949 3 3 29 3 3 29 A 1 2 3 4 176F3943 4 5 40 9 0 80 B 1 2 3 4...

Page 7: ...ies Drives Kit number Mounting torque Nm in lb Busbar connection torque Nm in lb Diagram Screw tightening order 176F6641 3 3 29 4 0 35 A 1 2 3 4 176F6642 4 5 40 9 0 80 B 1 2 3 4 5 6 7 8 9 10 176F6643...

Page 8: ...quotation or order confirmation Danfoss cannot accept any responsibility for possible errors in catalogues brochures videos and other material Danfoss reserves the right to alter its products without...