Important note!
Connection with three-core plastic
insulated cables is presumed in the
typical panels. In the case of any typical
cable connections or of special cables
(e.g. single-core cables, cables with paper
or special insulation etc.), an agreement
must be reached between the customer
and manufacturer.
Mounting procedure for power cables:
•
Power cables must be inserted, cut to length
and stripped
•
Cable lugs must be connected to the prepared
connections bars
•
Earthing of cables must be connected
•
Individual parts of the floor covering must be
mounted
6.9 Switchgear earth
•
Connect main earthing bar with connections
provided in every panel. Refer to 6/18
•
Connect the earthing conductor coming from
the earth electrode, preferably via a removable
bolted connection for testing purposes, to the
main earthing bar of the switchgear
6.10 Interpanel wiring
The interpanel wiring is supplied loose. They are
marked and fitted with ferrules at both ends.
Openings are provided in the side walls of the
low voltage compartment for these lines to be
looped through from panel to panel.
6.11 Erection check list
•
Check painted areas of the switchgear for
possible damage, touching up where required
•
Check bolt connections and tighten where
required, in particular all those carried out
during on-site erection of the busbars and
earthing system
•
After the lifting lugs have been removed, the
Ith limiter auxiliary switch (if ordered) must
be adjusted as required:
- The auxiliary switch holder is fixed by means
of screws in the panel
- The auxiliary switch holder must be positioned
horizontally
- The control pin of the auxiliary switch must
be moved to the centre of the hole in the
pressure relief flap
- Adjust the auxiliary switch
- If the auxiliary switch is mounted and adjusted
according to the above instructions,
checking during regular inspections is not
necessary
•
Clean the switchgear thoroughly
•
Remove all foreign bodies from the panels
•
Correctly replace all coverings, etc. removed
during erection and connection
•
In the enclosure, any remaining openings must
be closed if they are no longer needed
•
Check the isolating contacts and interlocking
mechanisms for smooth motion, and grease
again with Isoflex Topas NB 52 where necessary
•
Withdrawable fused contactors must be
inserted and the control supply connected
•
Panels doors must be properly closed
36
U N I G E A R Z V C
M E D I U M V O L T A G E P R O D U C T S