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Installing and connecting power and earth cabling
Cabinet
earthing points
The main earth connection point is located on the earth/connector plate on the
cable entry side. This connection is for protective earthing, lightning protection
and functional earthing of the cabinet.
To earth the BTS cabinet:
1.
2.
Additional internal earths are:
S
S
S
S
S
S
S
S
S
Power supply
cable colour
coding
To connect an outdoor cabinet to the EXTERNAL ac power source, observe the
following rules.
Single-phase supply
For single-phase ac connections:
S
S
S
Three-phase supply
For three-phase ac connections:
S
S
S
S
S
Inst. 3–20
Ensure the M8 chassis earth studs, located in rear corners of the top
section, are connected to the BTS cabinet earth plate.
Connect the earth plate stud to the site earth using a 35 mm
cross-sectional area, green and yellow sheathed, stranded conductor.
Two M8 chassis earth studs, located in rear corners of the top section.
Number 1 ac distribution box in the top section.
Number 2 ac distribution box in the power supply unit (PSU).
PSU cage earth stud, located behind the number 2 ac distribution box.
An M6 threaded stud on the top interface panel, adjacent to the dc input.
Main cage to underside of interface panel above PSM.
AC socket to underside of interface panel at rear of panel.
Earth bonding from doors and lid to the cabinet chassis.
Earth bonding from the TMS heat exchanger to the cabinet chassis.
The line power cable is brown or red.
The neutral cable is blue or black.
The earth cable is green and yellow.
The phase A power cable is red.
The phase B power cable is blue.
The phase C power cable is yellow.
The neutral cable is black.
The earth cable is green and yellow.
Installation & Configuration: Horizon macro outdoor
68P02902W03-A
CONTROLLED INTRODUCTION
GSM-204-423
2
31st Oct 01
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