4. When inserted sliding along the grooves, the final assembly position is with the heater control assembly
side plate in between the electronics enclosure and the electronics enclosure extension.
5. The diagram below shows the correct position.
6. The diagram below shows an incorrect position.
In an incorrect installation, it is clearly visible that the heater control assembly is 1 mm or more to the
inner side of the electronics enclosure than it should be: the thickness of the electronics enclosure sheet
metal and the nut. A misaligned screw could push it even further in.
426 Chapter 8 Removal and installation ENWW