Green Stoves 25KW Manual de instruções de instalação e funcionamento - Página 9
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It is strongly recommended that this stove is fitted to your heating system by a knowledgeable,
experienced and suitably qualified (Hetas or equivalent) plumber or Heating Engineer with experience in
fitting boiler stoves. If fitted incorrectly it could result in serious damage to your home heating system.
Plumbing should be carried out in accordance with Relevant Building Regulations and safe practices.
The manufacturers cannot be held responsible for any losses due to incorrect specification or connection
of the heating system.
Gravity Circuit
Do Not –
Under any circumstances connect the stove to a sealed (pressurised) heating system or an unvented
HW cylinder
Do Not –
Link the stove into a heating or hot water system with an existing boiler without the use of suitable
equipment such as a neutralizer. When fitting this type of system the neutralizer manufacturer's instructions
must be followed.
Do –
Fit an open cold feed and header expansion tank with separate cold feed and vent pipes. The cold feed
and vent pipes must be unvalved. The open vent pipe should have a diameter of 22mm and rise continuously
from the boiler.
The gravity circuit should connect to a domestic indirect hot water cylinder of minimum 135lt capacity, using
28mm flow and return pipes, rising continuously from the boiler to the cylinder. Any nominally horizontal runs
of gravity pipework should slope upwards at not less than 1:30. The base of the hot water cylinder should be
located at least 150mm above the top of the stove. The gravity circuit must not contain any shut off valves and
should be fully lagged to minimise heat loss. The pipes should not exceed 7.8 meters (25ft) in length to/from the
cylinder. In general, the shorter the run of pipework the less heat loss and the more efficient the water heating.
A heat soak radiator of at least 2kW must be used on the same gravity circuit, positioned above the stove. This
is used to dissipate heat when the central heating is switched off or the HW cylinder is fully heated.