Installing The Stove; Connection To The Chimney; Combustion Air; Feeding In External Combustion Air - RIKA SONO AH Montageanleitung

18. INSTALLING THE STOVE

Note
Assembly may only be performed by authorised specialist
companies.
Note
Please observe the regional safety and building regulations. Please
contact your master chimney sweep in this context.
Note
Only use heat-resistant sealing materials as well as corresponding
sealing strips, heat-resistant silicon and rock wool.
Note
Also take care that the flue does not project into the free cross-
section of the chimney.
Note
In case of room-air independent operation the stove pipe
connections must be tightly sealed permanently. Use a heat-proof
silicon to position the stove pipe on the conical supports of the flue
tube nozzles and for insertion in the chimney flue lining.
Note
The stove should not be pushed on unprotected floors.
Tip
Strong corrugated cardboard, cardboard or e.g. old carpet is useful
to assist assembly and as a base. The stove can also be pushed on
this cardboard or carpet.
We recommend original flue pipes from RIKA for proper connection.

Connection to the chimney

The device must be connected to a flue that is approved for solid
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fuels and is insensitive to moisture. The moisture insensitivity may
vary if the flue calculation results in a dry operation. The chimney
must have a diameter of min. 100 mm for pellet stoves and
130 mm -150 mm for log wood stoves depending on the diameter
of the flue pipes.
Avoid long flue pipes to the chimney. The horizontal length of the
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flue pipe should not exceed 1.5 metres.
Avoid to many bends of the flue gas pipes. There should not be
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more than 3 bends in the exhaust pipe.
Please use a connection with a cleaning opening.
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Connections must be made of metal and must meet the
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requirements of the standard (install the connections airtight).
Before installing a chimney calculation must be made. The
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evidence must be performed for single occupancy to EN13384-1
and EN13384-2 for multiple occupancy.
The maximum draft of the chimney should not exceed 15 Pa.
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The derivation of the flue gases must be guaranteed even during
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a temporary power outage.
Note
If connecting to multiple connection chimneys and depending on
country regulations, additional safety equipment is required. Your
local chimney sweep will advise you in this case.
Note
Be sure to prevent condensed water from entering via the flue
connection. You may need to have a condensate ring installed -
ask your chimney sweeping expert for more information. Damages
caused by condensate are excluded from manufacturer's warranty.
Connecting to a steel chimney
The connection must be calculated and shown with EN13384-1
and EN13384-2.
Use only insulated (double) stainless steel tubes (flexible aluminum
or steel tubes are not permitted).
An inspection door for regular inspection and cleaning must be
present.
The flue pipe connection to the chimney has to be air-tight.

Combustion air

Every combustion process requires oxygen from the surrounding air.
This so-called combustion air is removed from the living are in the
case of individual stoves without external air connections.
This air removed must be replaced in the living space. Very tightly
sealed windows and doors in modern flats may mean that too little
air replaces that used. The situation also becomes problematical due
to additional venting in flats (e.g. in the kitchen or WC). If you cannot
feed in external combustion air, then air the room several times a
day to prevent negativce pressure in the room or poor combustion.

Feeding in external combustion air

only for devices which are able to run in room-air independent
operation.
Combustion air must be fed to the stove from outside via a sealed
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pipe for operation independent of the room air. According to
EnEV, it must be possible to shut off the combustion air pipe. The
open/closed setting must be clearly recognisable.
Connect at the air intake either a pipe Ø 125 mm for log wood and
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combi stoves, or Ø 50 mm or Ø 60 mm for pellet stoves. Fix it with
a hose clamp (not included!). At pellet stoves with longer intake
pipes than 1 m the diameter should be increased to 100 mm. (see
RIKA range).
To ensure sufficient air intake, the intake pipe should not exceed
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max. 4 metres and have max. 3 bends.
If the line leads outside it must have a windbreak.
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In extreme cold pay attention to icing on the air intake opening
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(check).
It is also possible to suction in combustion air directly from
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another sufficiently vented room (e.g. cellar).
The combustion air pipe must be tightly connected (adhesive or
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cement) permanently to the air nozzles of the stove.
If you do not use the stove for a long time, please close the
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combustion air intake to prevent the stove from moisture.
Note
Please note that problems may arise due to updrafts in the case
of combustion air supply from an integrated chimney ventilation
shaft. If the combustion air flowing downwards is heated it may
rise and thus counter the chimney with a resistance which in turn
reduces the negative pressure in the combustion chamber. The
chimney manufacturer is to guarantee that the resistance for the
combustion air is a maximum 2 Pa even in the least favourable
operating state of the chimney.
If one or more of these conditions does NOT apply, the result is poor
combustion in the stove and negative pressure in the installation
room.
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