Installation manual

Windsor Installation Manual - Issue C
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61
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Mains Switch Unit
Wiring Guidelines
The following guidelines are supplied in order to ensure the safe installation of the mains
switch unit. Failure to follow these guidelines may create hazardous electrical conditions for
the system user. Approval of the apparatus may also be invalidated if, as a result, it then
ceases to comply with the standards against which approval was granted.
Mains Switch Unit
Mains Supply
It is recommended that the main cable :-
• Be approved to IEC Publication 227 : Polyvinylchloride insulated cable of rated voltages
up to and including 450/750V (CEE Publication 13) : (BS6500).
• Be provided with a green/yellow core for connection to the earth terminal of the unit.
• Be fitted in a manner such as that it is protected from any strain, abrasion, twisting or
subsequent damage.
The mains supply must only be connected to the terminal block provided.
The wire which is coloured green/yellow must be connected to the terminal marked by the
earth symbol. This terminal is provided only as a means of linking the earth wires from the
mains supply to the protective earth terminal of the light/load. It itself, does not provide a
protective earth for the Power Switch Unit which is double insulated.
The wire which is coloured blue must be connected to one of the terminals marked common.
If Output 1 is to be used, then the wire which is coloured brown must be connected to any
one of the terminals labelled Output 1.
If Output 2 is to be used, then the wire which is coloured brown must be connected to the any
one of the terminals labelled Output 2.
Mains Switch Unit
Connections to Light/Load
It is recommended that the mains cable :-
• Be approved to IEC Publication 227 : Polyvinylchloride insulated cable of rated voltage up
to and including 450/750V (CEE Publication 13) : (BS6500).
• Be provided with a green/yellow core for connection to the protective earth terminal of the
light/load.
• Be fitted in a manner such that it is protected from any strain, abrasion, twisting or
subsequent damage.
The supply to the load must only be connected to the terminal block provided.
The wire which is coloured green/yellow must be connected to the terminal marked by the
safety earth symbol. This terminal is provided only as a means of linking the earth wires from
the mains supply to the protective earth terminal of the load.
The wire which is coloured blue must be connected to one of the terminals marked common.
If Output 1 is to be used, then the wire which is coloured brown must be connected to the
other terminal labelled Output 1 which is not used for the mains supply.