Assembling the panels
110-0084.9 / 15 NXAIR / ≤ 40 kA 101
In addition, every fifth panel must be connected to the substation earth, starting from the left
and right end panel.
Fig. 128: View from the rear side into the connection compartment
(1) left panel side, inside of connection compartment, (2) elongated cutout in floor cover,
width x length = 7x42 mm; if not visible, turn (3) longitudinally through 180º, (3) floor cover, (4) earthing
busbar, (5) partition between switching-device compartment and connection compartment
Open access to the connection compartment. To do this, remove the partition (5) between the
switching-device compartment and the connection compartment.
To insert the cable or strip of the substation earth, use the cutout (2) at the left corner of the floor
cover which corresponds to the cross-section of the substation earth.
Pull the substation earth into the connection compartment through the cutout (2) in the floor
cover.
Connect the substation earth according to the customer's specifications.
Seal the cutout (2) in the floor cover, e.g. with SIKAFLEX 221-GR 310 ML.
Earthing of the switchgear is completed.
7.12 Installing the fan for forced ventilation
The fan is installed in a fan box at the factory and is delivered separately from the switchgear.
Fig. 129: As-delivered condition of the fan box with installed fan
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