Baxi Combi 200, Инструкция по установке и обслуживанию

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5.2.10 Safety pressure relief valve
1
Discharge pipe
2 Pressure relief valve
A
The end of the pipe should terminate facing down and towards the
wall
See
See BS 6798 for full details.
The pressure relief valve is set at 3 bar, therefore all pipework, fittings, etc.
should be suitable for pressures in excess of 3 bar and temperature in
excess of 100°C.
The pressure relief discharge pipe should be not less than 15mm
diameter, run continuously downward, and discharge outside the building,
preferably over a drain. It should be routed in such a manner that no
hazard occurs to occupants or causes damage to wiring or electrical
components. If it is anticipated that any part of the pipe may be subject to
freezing it should be suitably insulated. The end of the pipe should
terminate facing down and towards the wall.
The discharge must not be above a window, entrance or other public
access. Consideration must be given to the possibility that boiling water/
steam could discharge from the pipe.
Important
The relief valve must never be used to drain the system.
A remote relief valve kit is available to enable the boiler to be installed in
cellars or similar locations below outside ground level.
A boiler discharge pump is available which will dispose of both condensate
& high temperature water from the relief valve. It has a maximum head of
5 metres.
5.3 Choice of the location
5.3.1 Location of the boiler
The boiler may be fitted to any suitable wall with the flue passing through
an outside wall or roof and discharging to atmosphere in a position
permitting satisfactory removal of combustion products and providing an
adequate air supply. The boiler should be fitted within the building unless
otherwise protected by a suitable enclosure i.e. garage or outhouse. (The
boiler may be fitted inside a cupboard.)
Where the boiler is sited in an unheated enclosure and during periods
when the heating system is to be unused it is recommended that the
permanent live is left on to give BOILER frost protection. NOTE: THIS
WILL NOT PROTECT THE SYSTEM !
If the boiler is fitted in a room containing a bath or shower reference must
be made to the relevant requirements.
In GB this is the current IEE Wiring Regulations and Building Regulations.
In IE reference should be made to the current edition of IS 813 Domestic
Gas Installations and the current ETCI rules.
If the boiler is to be fitted into a building of timber frame construction then
reference must be made to the current edition of Institute of Gas
Engineers Publication IGE/UP/7 (Gas Installations in Timber Framed
Housing).
Fig.11 Discharge pipe
1
PN-0000553
1
2
A
5 Before installation
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