User Manual

AS4000 Central Terminal
Installation and Commissioning
DLP 004
605-0000-452
Issue 1.3dr Date 7/02/00
Page 3 of 6
1.1. Rack Earthing
Using the site survey, locate the building central [safety] grounding point. Run an earth
cable rated at 30A. to each rack and connect it to the centre earth stud located at the
top or bottom (not both) of the rack. See Figure 7. These points are labelled with the
IEC Earth symbol. .
Earthing Point
Rack Base
Earthing Point
Figure 14. Rack Earthing
Warning: No other external safety earth connection shall be made
to the rack. The two studs located towards the sides at the top of
the rack are used for earth bonding the side and rear panels to the
rack and must be left untouched to maintain the systems safety
earthing integrity
Terminate the battery feed and return cables at the isolator/fuse positions, and ensure
that the CT rack is isolated prior to commencing commissioning tests.