Manual Rika Cosmo (page 9 of 24) (English)

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2. 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

Q The device must be connected to a ﬂue that is approved for solid

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.

Q Avoid long ﬂue pipes to the chimney. The horizontal length of the

ﬂue pipe should not exceed 1.5 metres.

Q Avoid to many bends of the ﬂue gas pipes. There should not be

more than 3 bends in the exhaust pipe.

Q Please use a connection with a cleaning opening.

Q Connections must be made of metal and must meet the

requirements of the standard (install the connections airtight).

Q Before installing a chimney calculation must be made. The

evidence must be performed for single occupancy to EN13384-1

and EN13384-2 for multiple occupancy.

Q The maximum draft of the chimney should not exceed 15 Pa.

Q The derivation of the ﬂue gases must be guaranteed even during

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.

Q Combustion air must be fed to the stove from outside via a sealed

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.

Q Connect at the air intake either a pipe Ø 125 mm for log wood and

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).

Q To ensure sufﬁcient air intake, the intake pipe should not exceed

max. 4 metres and have max. 3 bends.

Q If the line leads outside it must have a windbreak.

Q In extreme cold pay attention to icing on the air intake opening

(check).

Q It is also possible to suction in combustion air directly from

another sufﬁciently vented room (e.g. cellar).

Q The combustion air pipe must be tightly connected (adhesive or

cement) permanently to the air nozzles of the stove.

Q If you do not use the stove for a long time, please close the

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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Rika Cosmo User Manual - German - 24 pages

Rika Cosmo User Manual - Dutch - 24 pages

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Rika Cosmo Manual

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