Siemens NXAIR Operating Instructions Manual page 331

3
2
1
Fig. 610: Ventilation duct and partition,
Tighten the fixing bolts all around with a tightening torque of 25 Nm.
Install the protection plate (5).
Fix the protection plate (5) by screwing the nuts (6) hand-tight:
•
4 nuts M8 with contact washers
Tighten the fixing nuts with a tightening torque of 25 Nm.
Fig. 612: 4 bolted joints on protection plate
Place the front part of the ventilation duct (7) centrally on the panel base frame.
110-0134.9 / 14
Accessing the connection compartment through the front
4
seen from center-right
NXAIR / ≤ 40 kA
3
4
Fig. 611: Ventilation duct and partition,
seen from center-left
5
6
331