ABB AC 800F Mounting And Installation Instructions Manual page 34

3
This unwanted stack effect can be
avoided by using air deflectors
DSU 65 (Fig. 3-5).
Figure 3-6 shows the improved air
circulation.
Make sure that the cabinet is
provided with the appropriate air
inlets and outlets.
3-6
Mounting the AC 800F
Fig. 3-5 Air deflector DSU 65
Fig. 3-6 Air flow with air deflectors