Siemens NXAIR Installation Instructions Manual page 51

Assembling the panels
Additional preparations for panels with ventilation duct
In panels with ventilation duct, the front floor opening in the panel frame is not directly accessible. Access to
the front floor opening is achieved by removing a part from the front of the ventilation duct.
Open the high-voltage door.
Remove 4 nuts M8 at the bottom part (2) and 2 bolts M8x20 (1) on the left and right side of the
ventilation duct. Store the connecting elements.
Fig. 47: 6 bolted joints to be removed from the ventilation duct
(1) Hexagon head bolt M8x20
(2) Nut-and-washer assembly M8
Remove the bottom part from the front of the ventilation duct, and store it.
Fig. 48: Bottom part,
removed
✓
Additional preparations on the panel with ventilation duct are completed.
110-0084.9 / 15
2
Fig. 49: Front floor opening in panel frame
≤
NXAIR / 40 kA
1
51