Siemens NXAIR Installation Instructions Manual page 147

Accessing the connection compartment through the rear
Fig. 216: Rear ledges and rear walls on
Remove the connecting elements from the horizontal ledge (3):
•
Remove the horizontal ledge, and store it together with the associated connecting elements.
Remove the connecting elements from one of the vertical ledges (5):
•
Remove the vertical ledge, and store it together with the associated connecting elements.
Proceed in the same way with the other vertical ledges.
Loosen the connecting elements of the lower rear wall at the panel base (6):
•
Remove the lower rear wall (4). To do this, lift the rear wall by the handle, and pull it out. Store
the rear wall.
Loosen the connecting elements of the upper rear wall in the upper area (1):
•
110-0084.9 / 15
connection duct
12 / 14 bolts M8x20 with contact washers
9 / 19 bolts M8x20 with contact washers and plain washers size 8
acc. to ISO 7093
4 / 6 bolts M8x20 with contact washers
4 / 5 bolts M8x20 with contact washers
NXAIR /
1
2
Bolted joints for
(1)
upper rear wall
3
(2) Upper rear wall with handle
(3) Horizontal ledge
(4) Lower rear wall with handle
4
(5) Vertical ledges
Bolted joints for
(6)
lower rear wall
5
6
≤
40 kA 147