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4 ELECTRICAL INSTALLATION / EARTHING
4.11 Regulations: The electrical installation must be carried out in
4.12 Safety: In the interests of electrical safety a 30 mA residual current
4.13 Before starting work on the electrical supply ensure power supply is
4.14 DO NOT allow the supply cord to contact hot surfaces, including the
4.15 Adjacent pipes: Adjacent suction and
delivery pipes should be fitted with
earthing clamps in accordance with
current regulations (Fig. 9).
4.16 Earthing: This appliance must be earthed via the supply cord, which must be
correctly connected to the earth point located in the terminal box.
4.17 Pipework: Copper or metallic pipework must have supplementary earth
bonding where the continuity has been broken by flexible hoses or plastic
components (not supplied).
4.18 Additional earthing: Certain installations may require additional earthing
arrangements such as equipotential bonding. Reference should be made to the
relevant regulations concerning this subject to ensure compliance.
4.19 Connections: The pump must be permanently connected to the fixed wiring of
the mains supply using the factory fitted supply cord, via a double pole
switched fused spur off the ring main and NOT connected to the boiler or the
immersion heater circuits.
4.20 Wiring of connection unit:
The wires in the mains lead are coloured in accordance with the following code:
Green and Yellow: Earth
As the colours of the wires in the mains lead of this appliance may not
correspond with the coloured markings identifying the terminals in your
connection unit proceed as follows:
The wire which is coloured green and yellow must be connected to the terminal
in the connection unit which is marked with the letter E or by the earth
symbol:
The wire which is coloured blue must be connected to the terminal which is
marked with the letter N or coloured black.
The wire which is coloured brown must be connected to the terminal which is
marked with the letter L or coloured red.
accordance with the current national electrical regulations and installed
by a qualified person.
device (R.C.D. not supplied) should be installed in the supply circuit.
This may be part of a consumer unit or a separate unit.
isolated.
motor shell, pump body or pipework. The cord should be safely routed
and secured by cable clips.
WARNING: This appliance must be earthed.
or coloured green or green and yellow.
Diagram of
earth continuity
connections
Fig. 9
Blue: Neutral
- 13 -
Brown: Live
Cont ...
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