Danfoss iC7 Series Manual de instalação - Página 4

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IGBT Module Replacement for Fx09-Fx12 and E1h–E4h

Installation Guide

ELECTROSTATIC DISCHARGE

Electrostatic discharge can damage components.

Ensure discharge before touching internal frequency converter components, for example by touching a grounded, conduc-

tive surface or by wearing a grounded armband.

2.2 Installing the IGBT Module

For IGBT module disassembly procedures, refer to service guide. To install the replacement IGBT module or brake IGBT module, use

the following steps.

THERMAL INTERFACE

A proper thermal interface is required between the IGBT module and heat sink. Failure to follow these instructions 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 cloth and solvent or alcohol solution to remove debris and remaining thermal grease.

With the syringe, apply a layer of thermal grease to the bottom of the IGBT module in the pattern shown in

Illustration 1: IGBT Thermal Grease Pattern

Bottom of IGBT module

Thermal grease

Once the module is mounted, thermal grease seeps out to coat the area between the module and heat sink. Excess

grease is acceptable.

N O T I C E

Installation

Illustration

AN361427984575en-000101 / 130R0770