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Section
5
1. Plumbing
Read the section "important safety information" first
1.1. The appliance is designed to operate with water supply pressures from
0.008 bar (80 millimetres head) to 1 bar (10 metres head) (i.e. the vertical
distance from the base of the cold cistern to the top of the appliance).
However, the minimum head required will increase with pipe length and
the guide given in paragraph 1.17. should be used to ensure that adequate
head is available for any given installation.
The appliance MusT have its own separate supply from the cistern.
Incorrect Cistern Take Off
Debris from the bottom of the
cistern and air generated when
the cistern refills will enter the
shower supply.
1.2. The appliance is suitable for installation within the shower area and is
fitted with two pressure relief valves. It must be positioned over a water
catchment area with the controls at a convenient height. The shower fitting
should be positioned so that it discharges down the centre line of the bath,
or across the opening of a shower cubicle, and must be directed away from
the shower unit.
1.3. Use a minimum of 15 mm diameter supply pipework. It should be noted,
however, that on long pipe runs this should be increased to 22 mm (refer to
para 1.17. for guidance). When using flexible plastic pipe it is essential that
the pipe is kept flat and not looped up at any point as this may lead to air
build up which may impair performance of the shower.
10
installation requirements
25 mm
Correct Cistern Take Off
Positioned away from the ball
valve, with a 25 mm distance
up from the base of the cistern.
This connection will prevent air
and debris entering the shower
supply.
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