Installing The Rear Wall On The Connection Compartment - Siemens NXAIR Installation Instructions Manual

Perform final checks regarding the correct state and position of the shutter (1) and the
levers (2) for moving the shutter. If any of these checks fails, do not insert any removable
voltage transformers in the voltage transformer compartment, but inform the regional Siemens
representative.
Check against the labyrinth (3) if the shutter (1) is horizontally arranged.
Check if the top edge of the shutter is flush with the shutter frame (4).
Check if the levers (2) are in perfectly straight condition.
1
2
Fig. 286: Checking state and position of shutter and levers
Install the removable voltage transformers in the panel.
✓
The bushing plate, the vertical partition and the voltage transformer compartment are installed.

11.5 Installing the rear wall on the connection compartment

Preconditions
•
Rear wall available
•
Corresponding number of sealing brackets, ledges and associated connecting elements available:
•
All panel versions except for contactor panels with panel width 435 mm and switch-
disconnector panel:
•
2 sealing brackets
•
1 horizontal ledge and associated 9 bolts size M8x25 plus plain washers size 9 acc.
to ISO 7093
•
2 vertical ledges and a total of associated 28 bolts size M8x20
•
4 bolts size M8x20 to fix the rear wall at the panel bottom
•
Contactor panels with panel width 435 mm only:
•
2 sealing brackets
•
2 vertical ledges and a total of associated 28 bolts size M8x20
•
3 bolts size M8x20 to fix the rear wall
110-0084.9 / 15
Closing the connection compartment / connection duct
≤
NXAIR / 40 kA
3
(1) Shutter
(2) Lever
4
(3) Labyrinth
(4) Shutter frame
2
193