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Installation procedures
The mains supply
2.1.4
Do not connect the mains supply to the CCU until all cabling and wiring
is complete.
WARNING
Do not switch on the mains power to the system until you have
read Section 4.1
The CCU comes supplied with 3m of mains cable, which forms an
integral part of the mains interference suppression components. If the
mains socket is closer to the ccu than 2.5m, coil up the excess slack
neatly and secure the coil with suitable self-adhesive tape.
WARNING
Do not cut the cable short.
You may shorten the mains cable by a small amount if you need to
Note
re-terminate the mains plug for maintenance purposes.
Terminate the mains lead with a 13A plug approved to the requirements
ofBS1363 and the Statutory Instrument 1987 No. 603 Consumer
Protection. A 3A cartridge should be fitted to the plug. Terminate the
plug neatly in accordance with the following convention and as shown in
Figure 2.2.
1
The wire coloured Green and Yellow must be connected to the terminal
in the plug marked either by the letter E or by the safety earth symbol.
2
The wire coloured Blue must be connected to the terminal in the plug
which is marked with the letter N.
3
The wire coloured Brown must be connected to the terminal which is
marked with the letter L.
2.2
Terminating the 13A plug
Figure
2- 3
Safety precautions and switch on.
3 a mp fuse
Live (brown)
'"�
Earth (green/yellow)
Neutral (blue)
TPU
1371Issue3(4/91)
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