Siemens NXAIR Operating Instructions Manual page 321

If required, bend dented links back into the correct position before installing the ventilation
duct.
Fig. 591: 2 links on panel base
Make sure that the air guide (1) of the ventilation duct is folded upwards.
Fig. 593: Ventilation duct with air guide folded upwards
Set the ventilation duct down centrally on the base frame of the panel. The side of the
ventilation duct to which the air guide is fixed must adjoin to the vertical partition.
Fig. 594: Ventilation duct placed centrally
110-0134.9 / 14
Accessing the connection compartment through the front
on panel base frame
NXAIR / ≤ 40 kA
Fig. 592: Link bent in correct position
1
Air guide folded
(1)
upwards
(2) Bottom side
2
321