Handleiding Contura C 500 (pagina 3 van 4) (Engels)

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Stoking the ﬁre

Important!

For effective control of the heat output, it is important to have

a thick bed of glowing embers and a high temperature in the

fire-box.

When the fire has burned down to the embers, it is time to stoke

it with more wood.

1. Open the door a fraction and allow the pressure in the fire-box

to even out for a few seconds before opening the door fully.

2. Stoke with 2 or 3 logs that together weigh between about

1.5 and 2.5 kg. Lay one log diagonally and a further one or

two parallel with the back of the fire-box as shown in the

illustration below. Then close the door to the fire-box.

3. Leave the air supply control in the fully open position for 2–3

minutes until the logs have turned black and are burning well.

If you then wish to decrease the rate of combustion, reduce

the amount of air supplied to the fire. The conditions for

controlling combustion vary depending on the temperature in

the fire-box and the draught in the chimney.

4. The lowest output of 4 kW is normally obtained when the air

supply control is 20% open and large logs are being burned.

Under these conditions it is important that the air supply

control is fully open for about 3–5 minutes so that the wood

has a chance to catch fire and burn properly before the supply

of air is reduced.

DEFRA exempted.

The stove can be used in Smoke Control Areas. Smouldering, i.e.

reduced air supply, are prevented by blocking the combustion

damper of 4 kW output.

Important!

It is important that the wood starts to burn quickly. To ensure

that the logs catch light quickly, open the air supply control

fully or leave the door ajar for a short while. Smouldering, i.e.

reduced air supply, results in poor combustion and efficiency

with high emission discharges and can, in worst-case scena-

rios, cause rapid gas ignition resulting in stove damage.

General information

Fires should not be too large. Big fires are uneconomical. They

also produce too much heat and can actually damage the stove

and chimney. Under normal conditions the recommended rate

of wood consumption is 1,7 kg per hour. When burning chopped

birch or other deciduous woods with a moisture content of

approx. 18%, the maximum permissible amount is 2,5 kg per

hour. Burning the same amounts of coniferous wood will result in

much higher temperatures in the fire-box. Burning the maximum

amounts of wood for long periods will shorten the life of a

woodstove. Burning amounts of wood in excess of those given

above can damage components inside the stove and will invalidate

the guarantee.

When the stove is new

Oily coatings on the metal, and paint left on the metal

components may produce a distinctive smell when the stove is

new. This smell will disappear once the woodstove has been used

a few times. You may also notice an acrid smell after using the

stove for a while. This comes from the insulation in the chimney

and can be remedied by burning the maximum amount of wood

(2,5 kg/hour) for a period of 5–8 hours.

Stove maintenance

The glass on the doors can accumulate soot even when the stove

is fuelled with dry wood with a moisture content of 15–20%. If

you clean it regularly, it is often enough simply to wipe the glass

with dry paper. Accumulations of soot on the glass doors are best

removed with a cleaning liquid or with any of the proprietary

sootre movers available from larger stores or your stove supplier.

• Neveruseabrasivecleaners,asthesemaydamagetheglass.

• Ensurethatnoembersremainwhenremovingashfromthe

stove. The ash must be stored in a fireproof container with a lid

for for at least a week before being disposed of.

• Alsocleaninsidetheareawheretheash-panislocated,

otherwise spilled ash can prevent the ash-pan from being fully

inserted and prevent the fireplace door from being closed

properly.

• Cleanthesoapstonewithdetergentorwipeitwithaclean

cloth and pure acetone. Do not put candles or anything

inflammable on the soapstone.

• Thegrateneedscleaningseveraltimesperseason.Thegrate

and other cast-iron parts may be cleaned with a steel brush.

• Itisimportanttocheckwashersandsealsnowandagain.If

they become worn, air seeping into the fire-box may affect the

performance of the stove.

• Lacqueredpartsmaybecleanedwithadampcloth,andalittle

washing-up liquid if necessary. Damage to lacquered parts,

such as small scratches, may be repaired with Contura touch-

up paint. Please contact your supplier.

• Thereisaconstantflowofairthroughthestove:coldair

is drawn in from the room and hot air expelled, so dust can

gather behind and beneath the stove. These areas require

regular cleaning.

• Componentsclosetotheheartofthefire,suchasthefire-

box surround and grate, may need replacing. How long these

components last depends on how often and in what way the

stove is used.

Soot removal

Removal of soot from flues and chimneys should be carried out by

a qualified chimney sweep. Soot may be removed from the stove

itself by scraping or brushing the sides of the fire-box, although a

soot vacuum cleaner is more effective.

If deposits of soot catch fire or if there is a risk that they will do

so, close the air intake control and shut the door. If necessary,

contact the fire brigade to put out the fire. After a soot or

chimney fire, the chimney should always be inspected by a

chimney sweep.

LEK

Contura C 500 Handleiding

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