16
6.3 Fixing the Functional Units to the floor
Fix the Functional Units to the
ground, by 2 points at the front and
2 points at the rear (H M12x30
screws and flat washers with an out
side diameter of 32mm) or 2 points
at the centre (PGC and PGB).
F 4 ground anchoring points
(Fasteners not supplied).
F Each functional unit must imperatively be anchored to the floor by its
four fixing points.
Front face of the switchboard: 3 or X Functional Units
PGB or PGC
70
60
6.4 Connection of the inter−Functional Units grounding circuit
F On the roof of the Functional Units, position and fix the earthing circuit
bars (M8 washer + ES 8 washer + H M8 nut − 13 mm spanner).
1.5
F Close−up of the connection.
6.5 General switchboard earthing connection to the earthing spike of the building
This connection is via the Functio-
nal Unit to the extreme right of the
set (viewed from the front).
The copper connecting conductor
must have a minimum cross sec-
tion of 30 mm
2
(fasteners not supplied).
Remove the plastic blanking
panel to connect the cable.
F Connector point for the earthing
spike linkage cable.
4.9
F Pass the bolt through from the outside of the functional unit with the flat
washer already fitted to the head. Then, attach the cable, and from the
inside of the functional unit ,the flat washer, the self−locking washer and
finally the M12 Nylstop nut (fixings not supplied).
4.9
H M12x35 bolts
+ 2 flat washers
+ self−locking washer
+ M12 ‘Nylstop’ nut
Min. cross−section: 30 mm
2
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