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mf 3 bp
Инструкция по эксплуатации Страница: 11

Jotul mf 3 bp [11/72] English

5.3 Log length and amount

The maximum length of logs to be used is 40 cm. Jøtul MF 3

has a nominal heat output of 6,5 kW. This is equivalent to a

consumption of approximately 2,1 kg of quality firewood per hour.

An important factor for proper fuel consumption is that the logs

are the correct size. The size of the logs should be:

Kindling:

Length: 20-30 cm

Diameter: 2-5 cm

Amount per fire: 6-8 pieces

Firewood (split logs):

Length: 30 cm

Diameter: Approx. 8 cm

Intervals for adding wood: Approx. 45 - 50 minutes

Size of the fire: 1,7 kg

Amount per load: 2 pieces

5.4 First time use

• Light the fire as described under «5.5 Daily use».

• Light the fire for a couple of hours and ventilate any smoke

and smell from the product.

• Repeat this a couple of times.

N.B. Odours when using the fireplace for the first time

Painted products:the fireplace may emit an irritating gas when

used for the first time, and it may smell a little. The gas is not toxic,

but the room should be thoroughly ventilated. Let the fire burn

with a high draught until all traces of the gas have disappeared

and no smoke or smells can be detected.

Enamelled products: Condensation may form on the surface of

the fireplace the first few times it is used. This must be wiped off

to prevent permanent stains forming when the surface heats up.

5.5 Daily use

The product is intended for intermittent combustion. By

intermittent combustion one means normal use of a fireplace,

meaning that each fire should burn down to embers before new

firewood is added.

• Open both air vents (fig. 2A and 2B). Use a glove, for example,

as the handle can become hot.

• Place two medium sized logs in/out on each side of the base.

• Crumple some newspaper (or birch bark) between these and

add some kindling wood in a criss-cross pattern on top and

light the newspaper. Gradually increase the size of the wood.

(see point 5.3)

• Leave the door slightly open until the logs catch fire. Close

the door and ash door vent when the firewood has ignited

and the fire is burning well.

• Then regulate the rate of combustion to the desired level of

heating by adjusting the air vent (Fig. 2B).

Nominal heat emission is achieved when the air vent is open

approximately 40% and the ash door vent (Fig. 2B) closed.

Adding firewood

1. Each fire should burn down to embers before new firewood

is reloaded. Open the door slightly and allow the negative

pressure to level out prior to opening the door completely.

2. Add the wood and make sure that the air vent is fully open

for a few minutes until the wood has caught fire.

3. The air vent (fig. 2B) can be turned down once the wood has

properly ignited and is burning well.

N.B. Danger of overheating: the fireplace must never be used in

a manner that causes overheating.

Overheating occurs when there is too much wood and/or air so

that too much heat is developed. A sure sign of overheating is

when parts of the fireplace glow red. When this happens, reduce

the ventilation opening immediately.

Upon suspicion of excessive/poor draught in the chimney, seek

professional help. See also «2.0 Technical data» and «4.5 Chimney

and flue pipe» for information.

5.6 Jøtul’s definition of briquetted coal

By briquetted coal we mean coal that meets specification in

EN 13240 Table B.2 (Briquetted fuel for closed appliances.) For

example Phurnacite.

5.7 First time use

• Light the fire as described under «5.4 First time use ».

Intervals for adding briquetted coal: Approximately every 135

minutes

Amount per load: 1,45 kg

5.8 Daily use

To burn coal successfully there must be air passing through the

grate.

• Open the vent in the ash door fully (fig. 2A).

• Open the air vent (fig. 2B).

• Crumple some newspaper (or birch bark) and add some

kindling wood in a criss-cross pattern (see point 5.3). Add coal

on the top, and light the newspaper.

• Leave the door slightly open until the kindling wood catch

fire.

• As the fire establishes itself, the air vent can be closed up

gradually (fig.2B).

• Then regulate the rate of combustion to the desired level of

heating by adjusting the ash door air vent (Fig. 2A). (Use a

tool , for example a glove, as the handle can become hot.)

Refuelling

When more fuel is needed, remember to rake the existing embers

to ensure ash is deposited into the ash pan. Then add more fuel,

being careful not to fill above the level of the log retainer.

As fresh fuel is added, it is advised that the ash door vent is

opened to allow the fire to achieve the required temperature.

Once this is achieved regulate the air vents as before.

Ash removal

Do not let the ash build up to the grate as this may cause the

great to over heat and distort.

ENGLISH

Jotul mf 3 bp [11/72] English

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