T80si pumped
6
The installation must be in accordance with
Water Regulations/Bylaws.
To guarantee activating the heating elements,
the shower must be connected to a cold water
supply which is gravity fed from a static cold
water storage cistern with a minimum capacity of
114 litres (25 gallons).
There MUST be a maximum head of water of
10 metres and a minimum head of 8cm, as
measured between the bottom of the cistern and
the top of the shower unit.
There MUST be no other cold water draw-offs
between the cistern and the unit and the pipe
MUST NOT supply water to any other tap or
fitting at a lower level.
Note: The supply pipe from the cistern should be
on the opposite side to the float operated valve
to prevent air being drawn into the pipe when
the cistern is filling.
If it is intended to operate the shower in
hard water areas (above 200 ppm temporary
hardness) a scale inhibitor should be fitted.
Fig.5 shows a typical system layout.
DO NOT use jointing compounds on any pipe
fittings for the installation.
Fig.5 Diagrammatic view (not to scale)
WARNING!
Under no circumstances must this
T80si pumped shower be connected
directly to the mains water supply.
Water requirements
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