7
Preparing the housing
: once you have opened the housing, before proceeding (if the switchboard is already assembled), remove the electronic
cards and the power supply unit from the bottom of the housing, so as to avoid the risk of damage:
1
1
2
If the input/output expansion module is present, release the retaining clips to remove it. Put it in a clean place.
3
4
1
3
2
4
