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

2
1
Figure 12: Bracket lifting procedure
Figure 13: Top bracket locating procedure
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.
16

6.3 Water connections

WARNING
3
Do not use chrome or stainless steel pipe
work on push fittings on this unit.
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.
WARNING
All pipe work must be installed by a
competent Installer and must comply with
the following.
The appropriate Water Supply (Water Fittings)
`
Regulations 1999, Water Byelaws 2000 Scotland
and the Water regulations Northern Ireland must
be adhered to.
The above regulations require the following;
`
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)
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.

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.
CAUTION
Do not use a solder fitting as this will
invalidate the unit warranty