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Supplied By www.heating spares.co Tel. 0161 620 6677
3.0 System Details
3.1
Water Circulating Systems
1. The appliance is suitable for open vented
systems which are either fully pumped or pumped
central heating with gravity domestic hot water.
2. The following conditions should be observed
at all times:
The static head must not exceed 30m
(100ft) of water.
The boiler must not be used with a
direct cylinder.
Drain cocks should be fitted to all
system low points.
All gas and water pipes and electrical
wiring must be installed in such a way
that they do not restrict the servicing of
the boiler.
Position isolating valves as close as
possible to the circulating pump.
3.2
Treatment of Water Circulating
Systems
For optimum performance after installation, this
boiler and its associated central heating system
must be flushed in accordance with the guidelines
given in BS7593:1992 "Treatment of water in
domestic hot water central heating systems".This
must involve the use of a proprietary cleanser,
such as BetzDearborn's Sentinel X300 or X400, or
Fernox's Superfloc.
Full instructions are supplied with the products, but
for immediate information please contact
BetzDearborn ( 0151 420 9563) or Fernox (01799
550811).
For long term protection against corrosion and
scale, after flushing it is recommended that an
inhibitor such as BetzDearborn's Sentinel X100, or
Fernox's MB-1 or Copal is dosed in accordance
with the guidelines given in BS7593:1992.
Failure to flush and add inhibitor to the
system may invalidate the appliance warranty.
It is important to check the inhibitor concentration
after installation, system modification and at every
service in accordance with the manufacturer's
instructions. (Test kits are available from inhibitor
stockists.)
For information or advice regarding any of the
above contact the Baxi Helpline.
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