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The permanent clearances required are:
in front:
8 mm
below:
21 mm
right side:
8 mm
left side:
8 mm
above:
21 mm
The position selected for installation MUST allow adequate
space for servicing in front of the boiler. See table below:
in front:
350 mm
below:
180 mm
right side:
8 mm
left side:
8 mm
above:
200 mm
In addition, sufficient space may be required to allow lifting
access to the wall mounting bracket.
Wall-mounted condensing gas system boilers must only be
operated with Buderus purpose made gas systems, which are
certified for this type of boiler.
Observe the relevant standards, regulations and legislation of
the country or region of final use.
CAUTION
Use this device for its intended purpose only.
DANGER!
notes relating to the heating system water.
Thoroughly flush the system before it is filled with
water. Use only untreated water or water
treatment product such as Sentinel X100 to fill
and top up the system. For more information
about Sentinel call 0151 420 9563.
When using water treatment, only products
suitable for use with Buderus heat exchangers
are permitted (e.g. Sentinel X100). Your
warranty is at risk if an incorrect water treatment
product is used in conjunction with this
appliance.
For more information, contact Buderus
Technical Product Support Department.
It is most important that the correct concentration
of the water treatment product is maintained in
accordance with the manufacturer's instructions.
If the boiler is used in an existing system any
unsuitable additives MUST be removed by
thorough cleaning. BS.7593:1992 details the
steps necessary to clean a domestic central
heating system.
In hard water areas, treatment to prevent lime
scale may be necessary - however, the use of
artificially softened water is NOT permitted.
Subject to modifications resulting from technical improvements!
Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006
Under no circumstances should the boiler be
fired before the system has been thoroughly
flushed.
Do not use artificially softened water.
Only plastic pipework containing a polymeric
barrier should be used.
It is allowed to use copper for the first 600 mm.
See also subsection 1.6 "Pipe connections" in
this manual.
NOTE:
notes relating to domestic hot water.
The domestic hot water service must be in
accordance with BS 5546 and BS 6700.
The boilers are suitable for connection to most
types of washing machine and dishwasher
appliances.
When connecting to suitable showers, ensure
that:
a. The shower is capable of accepting mains
pressures and temperatures up to 65 °C.
b. The shower is ideally thermostatic or
pressure balancing.
Where temporary hardness exceeds
150 mg/litre, it is recommended that a
proprietary scale reducing device is fitted into
the boiler cold supply with the requirements of
the local water company
CAUTION
Provision must be made to accommodate the
expansion of DHW contained within the
appliance, where a back flow prevention device
is fitted BS. 67989: §5.4.3.
Safe handling of substances
No asbestos, mercury or CFCs are included in any part of the
boiler and its manufacture.
Buderus • http://www.buderus-domestic.co.uk
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