Accessing the connection compartment through the front
160 NXAIR M 139-2021.9 / 07
Unscrew the 4 front nuts from the base frame, and store them.
To get the ventilation duct over the door threshold, lift it approx. 2 cm. Pull the ventilation duct
out of the panel, and store it.
Fig. 271: 4 bolted joints on
base frame front
Fig. 272: Lifting and pulling
Fig. 273: Ventilation duct removed
Fig. 274: Switching-device compartment
without ventilation duct
Please observe during all other removal and installation work that the links on the panel base
are not dented.
Fig. 275: 2 links on panel base
Fig. 276: Correct position of
the links
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