Heatrae Sadia R 45 PLUS 3KW, Installation, Operation And Maintenance Manual

Page: 16 / 40

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Figure 12: Bracket lifting procedure
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2
Figure 13: Top bracket locating procedure
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Once the water heater is located correctly on the
wall bracket, slide either left or right to locate the
spigot in the slot, see figure 13 above.
`
Using an appropriate fixing, secure the water
heater to the wall with the fixing bracket at the
bottom of the heater.
WARNING
All pipe work must be installed by a
competent Installer and must comply with
the following.
3
6.3 Water connections
WARNING
A minimum dynamic pressure of 0.5 bar and
maximum pressure of 10 bar is required. If
the measured inlet pressure exceeds this
value then a pressure reducing valve must be
fitted, this is available through Heatrae Sadia's
supply partners.
`
The appropriate Water Supply (Water Fittings)
Regulations 1999, Water Byelaws 2000 Scotland
and the Water regulations Northern Ireland must
be adhered to.
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The above regulations require the following;
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A full bore servicing valve shall be installed on the
inlet pipe Schedule 2 - Section 16(2).
`
A full bore servicing valve shall be installed on the
outlet pipe Schedule 2 - Section 16(3).
`
All fittings used must be WRAS approved
6.3.1 Water (Inlet)

Each installation can differ in requirement see
figure 7, page 13 for a typical installation.
`
Before work commences ensure the water supply
is isolated at the main stopcock.
`
Fit a full bore isolating valve is inserted into the
inlet feed pipe as close as is practical to the water
heater.
`
Connect the inlet feed pipe to the 15mm inlet push
fit connector on the underside of the water heater,
see figure 4, page 9.
WARNING
If this unit is cistern fed there needs to be a
minimum of 5m from the cistern to the top
of the unit, to ensure a dynamic pressure
of 0.5 bar.
CAUTION
Do not use a solder fitting as this will
invalidate the unit warranty
WARNING
Do not use chrome or stainless steel pipe
work on push fittings on this unit.