washer 8.5 x 30 x 3 and 1 x dished washer 8) and
M 8 x 16 cheese head screws to the previously
positioned T-nuts (Fig. 2.3.2.1a and Fig. 2.3.2.2).
•
Use six fastening points for panels of 450 mm,
500 mm and 600 mm width, twelve for panels
of 900 mm (Fig. 2.3.2.1).
When the cable VT is used
•
For wall mounting or free-standing installation,
before panel connection, the pressure relief plate
for the cable compartment shall be removed to
have access to fasten the rear side screw on the
floor frame (Fig.2.3.2.1b and Fig.2.3.2.1c ).
When the plug-in VT is used
•
For wall mounting or free-standing installation,
fasten the rear side screw on the floor frame
from the front side of panel.(Fig.2.3.2.1d ).
When a special foundation frame or raised false
floor is used
Fasten the panels in accordance with the
instruction documents supplied.
I N S T A L L A T I O N O F T H E S W I T C H G E A R A T S I T E
17
—
Fig.2.3.2.7: Fitting
guide pins
—
Fig. 2.3.2.1: Fastening
points for panels of
various widths
2.3.2 Erection of the panels
•
Set up the furthest panel precisely at the
specified position.
Screw two guide pins to each of the upper brackets
of the busbar compartments on the side of the
panel to be extended, using nuts and dished
washers (see Fig.2.3.2.7).
Guide pins are only to be fitted to one of the panels
at the joint between two panels. The guide pins
remain in the relevant position after erection of
the panels and must not be removed.
Lightly grease the guide pins for better sliding.
When the standard foundation frame is used
•
Insert M 8 T-nuts through the holes in the floor
plates into the slots in the foundation frame
sections. Join the floor plates using washers (1 x
A
—
Fig. 2.3.2.1a
—
Fig.2.3.2.7
Section A-A, simplified
450 mm 500 mm
600mm 450mm 500mm 600mm
Floor frame
T-nut M 8
washer, 8.5 x 30 x 3
Dished washer
Cheese head screw,
M 8 x 16
