Boiler Installation
Information
19
4.13 Before you Commission
To avoid the danger of dirt and foreign
matter entering the boiler the complete
heating system should be thoroughly
flushed out – both before the boiler is
connected and then again after the
system has been heated and is still hot.
This is especially important where the
boiler is to be installed on an old
system.
For optimum performance after
installation, the boiler and the
associated heating system must be
flushed in accordance with the
guidelines given in BS 7593:1992
'Treatment of water in domestic hot
water central heating systems'. This
must involve the use of a proprietary
cleaner, such as Betz Dearborn's
Sentinel x300 or x400, or Fernox
Restorer. Full instructions are supplied
with the products butfor more details
visit either www.sentinel-solutions.net
for Betz Dearborn products or
www.fernox.com for Fernox products.
After flushing the system, an inhibitor
such as Sentinel X100 or Fernox MB-1
should be used in accordance with the
guidelines given in BS 7593:1992 for
long term protection against corrosion
and scale,
Grant UK strongly recommend that a
magnetic in-line filter is fitted in the
heating system pipework. A
magnetic in-line filter must be fitted
in the heating system pipework. This
should be installed and serviced in
accordance with the filter manufacturer’s
instructions.
4.14 Completion
Please ensure that the Grant SPIRA
Commissioning form (supplied with the
boiler) is completed in full and that it is
signed by the householder/user.
Leave the White copy with the user,
retain the Pink copy for your own
records, and return the Yellow copy to
Grant UK to register the installation of
the boiler.
Ensure that the User Information pack
(supplied with the boiler) is handed over
to the householder along with this
Installation and Servicing manual.
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