Assembling the panels
110-0084.9 / 15 NXAIR / ≤ 40 kA 99
Ventilation elements
The ventilation segments (7) of the ventilation system must rest in the lower
latching positions (6). They must not be located in the upper latching positions (5).
Check the position of the ventilation segments of the ventilation system.
Fig. 126: Ventilation system in the pressure relief duct, view laterally from below
7.10 Interconnecting the earthing busbar
The earthing busbar is connected by means of links from panel to panel, starting from the end panel with the
left end wall. For transport, the link is fastened in the connection compartment on the right side at the joint of
the earthing busbar. The link is to be refastened on site.
End panels with right end walls are provided without link.
Provide access to the connection compartment.
Undo the bolted joint size M12 (1) at the link (4) and push the link to the right, partially out of the panel.
Refasten the link (4) at the joint, using its second hole and bolt size M12.
Remove the pre-assembled connecting bolt (1) from the earthing busbar joint in the adjacent panel.
Check contact surfaces of the earthing busbar in the panel to be connected, brush if necessary, and
apply a thin grease film of Vaseline.
If required, adjust the opening for the earthing busbar through the elongated hole (2). If required, remove
a part of the wiring duct (3) for better handling (2 bolts size M8x20).
Undo the bolted joint of the link in the connection compartment of the adjacent panel, and screw it in
again with bolt size M12 as connecting element of the earthing busbar with the adjacent panel.
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