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Contents

1 Important instructions ............................................................................................................. 4

2 Scope of Supply ....................................................................................................................... 5

3 Changing the circuit boards AB600A .................................................................................. 5

3.1 Required tools .................................................................................................................. 5

3.2 Removing the control housing .......................................................................................... 5

3.3 Removing the circuit board ............................................................................................... 7

3.4 Installation oft he circuit board ....................................................................................... 10

3.5 Installing the housing ..................................................................................................... 15

4 Changing the Circuit boards AB611A & AB620A ........................................................ 16

4.1 Required tools ................................................................................................................ 16

4.2 Removing the Control housing ........................................................................................ 16

4.3 Removing the line filter cicruit board .............................................................................. 19

4.4 Removing the main cicruit board .................................................................................... 23

4.5 Installation oft he main cicruit board .............................................................................. 25

4.6 Installation of the line filter board .................................................................................. 30

4.7 Installing the housing ..................................................................................................... 33

Efka AB611A User Manual

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