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8.Disconnect the flying leads from the transformer to the mains terminal block and earth bar.
9.Remove the chassis from the enclosure and place carefully to one side.
NOTE: The door and chassis both contain PCBs with sensitive and fragile electronic components on them. You must place these items in a location where they will not be damaged. Choose an area that is clean, dry and
10.Identify the three indented holes in the backbox that are used to mount the enclosure.
11.Place the enclosure in the desired location and mark the position of the top indented hole. Remove the enclosure and fit a suitable fixing to the wall. Hang the enclosure from the top fixing point and ensure that it is level. Mark the locations of the other two mounting holes.
12.Remove the enclosure from the wall and fit suitable fixings to the two remaining mounting points. Fix the enclosure to the wall using all three mounting points.
13.Carefully remove the required
14.Connect the earth drain wires of the field cabling to the brass earth bar positioned at the top of the backbox. Up to two drain wires may be connected to each terminal.
15.Ensure that continuity of any cable shield is maintained through to the last device on the circuit. The shield must only be connected to enclosure earth in the panel by using the earth bars provided. [Different requirements apply for the screen of data cable used for connecting repeaters – see 12.2.2 below].
16.Connect the incoming protective earth conductor to the Earth terminal in the mains
terminal block. This is the primary earth point and is labelled Internal Panel Views
17. Clear any dust and debris from inside the enclosure.
[also labelled E]. See
18.Connect the
20.Connect the
21.Secure the
22.Reinstallation of the chassis is the reverse of removal. Reconnect all wires and ensure none are trapped between the chassis and
23.Refit the door. The refitting procedure is the reverse of removal. Ensure that the earth strap and ribbon cable are reconnected correctly.
24.Place the
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