Specifications
Multipoint
7
3.4 The appliance must be earthed
IMPORTANT - INSTALLATION TO BE DONE BY A COMPETENT
INSTALLER
3.5 The installation supply cable and circuit protection must conform to
BS 7671.
3.6 Before making any sort of electrical connection, ensure that no terminal
within the circuit is live. If in any doubt SWITCH OFF the whole installation at
the consumer unit.
3.7 The hand wash must only be connected to a 230-240V ac supply.
3.8 The earthing and protective conductor arrangement within the property, in
particular the supplementary bonding in the room containing the hand wash,
must comply with BS 7671.
3.9 Ensure that the supply cable and fuse are sufcient for the rated input of your
appliance. Please refer to the rating label within the appliance.
3.10 For a 3.1kW unit:
A minimum heat resistant cable size of 1.5mm² should be used. The
hand wash can be connected in two different ways.
1. Via a fused and switched connection unit taken as a spur
from a 13amp ring main.
2. As a separate circuit taken directly from a spare way in a consumer unit.
In each case a double pole isolating switch having a contact separation of at
least 3mm in each pole, and a minimum rating of 13amp must be incorporated
in the wiring of the appliance.
Figure 3 Schematic of typical electrical layout
Hand wash unit
(use rear entry when it is
possible)
800 or 100A main switch
Meter
Meter ‘tails’
Consumer unit
RCD (can be part of the
consumer unit)
Double pole isolating switch:
pull cord or wall mounted in accordance
with IEE regulations