Siemens SINAMICS S150 Operating Instructions Manual page 36

Mechanical installation
3.3 Installation
Attaching a canopy to increase the degree of protection to IP21 (option M21)
1. Remove the crane transport assembly (if fitted).
2. Attach the spacers to the roof of the cabinet at the positions specified. You may have to
remove the protective grille.
3. Fit the canopy to the spacers.
Figure 3-1
36
NOTICE
In order to prevent water dripping into the spaces between the cabinet units connected
in series, there are "drain channels" on the sides of the canopies. When fitting the
canopies, make sure that the "drain channels" interlock.
Fitting a canopy
Drive converter cabinet units
Operating Instructions, 07/07, A5E00288214A