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1.0 IMPORTANT INSTALLATION POINTS
1.1 The Supreme stores and dispenses water at or close to boiling
point at all times it is switched on. Due caution must be taken
when choosing a location for the product to minimise misuse.
Locate the unit over a draining board NOT over the sink or basin.
1.2 Push fit connectors DO NOT grip chromed or stainless pipe.
1.3 The Supreme is a vented water heater. The vent pipe must never
be blocked or obstructed, it must be a minimum of 15mm outside
diameter pipe. Where the vent pipe length exceeds 3m the pipe
diameter should be increased. The vent pipe must be laid to a
continuous fall and discharge in a safe, visible position; it must
discharge via a tundish or finish a minimum of 20 mm above
a draining board. The vent pipe material must be capable of
conveying boiling water. The vent pipe must never be connected
directly to a soil pipe.
1.4 Wherever possible the Supreme should be supplied directly from
a rising main. If fed from a cold water feed cistern, the cistern
must comply with the Water Regulations Guide (clause R27.2).
It should be noted that water quality may be reduced when
supplied from a cistern and additional forms of water pretreatment
may be necessary.
1.5 In hard water areas, heated water will produce limescale which
will be deposited within the heater. If this is not regularly removed
it will impair the operation of the heater. Where rapid and
excessive scale build up is likely to occur the use of a proprietary
scale reducing device may be beneficial.
1.6 The installation must comply with the relevant sections of the
Water Regulations, Building Regulations and BS 7671 (IEE
Wiring Regulations) in force at the time.
1.7 The Supreme will adjust for ambient (room) temperatures of
between 1°C and 40°C.
1.8 When not in use care must be taken to prevent it freezing; if
thought to be frozen it must not be switched on. It must be left to
thaw and must then be thoroughly inspected to ensure it is totally
thawed and undamaged.
1.9 The unit is not suitable for installation in an area where a water jet
could be used.
2.0 INSTALLATION - MOUNTING
2.1 The Supreme must be vertically wall mounted using the brackets
supplied.
2.2 Fig.2 details the outside dimensions of the Supreme unit. A
template is supplied to aid positioning the heater, select hole
locations according to model size. It is recommended that the
unit is positioned above a draining board. If this is not possible,
consideration should be given to any spillages that may occur
under the heater. A drip tray is available as an accessory (Heatrae
Sadia Code No. 95 970 123). The heater should be positioned
at a height to suit the items being filled (flasks, pans, cups etc.).
This is likely to position the base of the unit approximately 250mm
above the work surface.
2.3 Sufficient room should be left around the heater for access for
maintenance and servicing. The top should not be covered as
this will reduce the efficiency of the Supreme. A novel (hinged)
mounting arrangement is incorporated which can improve access.
Method detailed inside bottom access panel. Leave a minimum of
250mm above the work surface or unit.
2.4 Ensure that the wall can support the full weight of the unit (see
TECHNICAL SPECIFICATIONS) and that there are no hidden
services (electricity, gas or water) below the surface of the wall.
2.5 Using the template mark the fixing positions and water, vent and
electricity supply entry points for your model of heater. If rear
entry services are to be used, the necessary holes for these
should be prepared prior to hanging the unit onto its bracket.
2.6 The top WALL bracket takes 10mm diameter fixings. Provide
fixings suitable for the application (use all 3 locations for stability).
The small, slotted, WALL bracket is secured in position with the
screws supplied (confirm suitability of 1 ½” x No. 12 screws and 2”
plugs for use with the wall, if unsuitable due to wall type provide
alternative fixings).
