Bedienungsanleitung Haas-Sohn OVALIS RLU GRANDE (Seite 7 von 11) (Englisch)

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Wrong position of the fuel inside

Not enough fuel to set fire

Add more logs, see 5.2.

Impossible to

heat up the

fireplace stove

within expected

time

Primary air supply inlet is closed Open the primary air regulator or turn down the secondary

air regulator, respectively

Inadequate requirement on the

heat capacity (performance of

the fireplace stove is too low)

Contact the specialist Reduce the heat loss (for example,

provide better heat insulation)

Smoke flues and fireplace

stove are dirty

See 6.1.

Chimney effect is too low See 4.

The room is not heated

enough

Fireplace stove is not operated

correctly

Heating device adjustment is not optimal, see 2.1.

Fireplace stove is not operated

correctly

Heating device adjustment is not optimal, see 2.1.

Ashpan door not closed properly Shut the door

Door or ashpan sealing is

damaged

Replace the door sealing

Excessive

performance of

the fireplace stove

Excessive chimney effect See 4.

Chimney effect is too low See 4.

The fireplace

stove

produces

unpleasant

odour and

smoke

Protective paint is being

hardened, or the fireplace stove

is dirty, dusty

Allow the paint hardening process finish – the smoke and

odour will disappear in a short time / while cold, clean the

device outside

Sometimes is difficult to find the

reason but, usually one of the

following is found: wrong type of

fuel, wrong adjustment of the

firing process, weak or

temporarily weak chimney effect,

door sealing loosen

Rule: Clean the door from time to time (depends on the type

of the fuel used), see 5.4. . If coal cakes are used, the

door needs cleaning more often than with wood

Chimney effect is too low See 4.

Too much fuel in the firing area Only load correct quantity, see 2.1. and 5.3.

Window is getting dir ty

Wet fuel was loaded. Use only well-dried fuel, see 2.2.

8. FREQUENT PROBLEMS AND QUESTIONS

8.1. Cracked (released) fireclay (vermiculite) brick in the burning area

It is emphasised that cracked fireclay bricks do not lose their function unless they have

fallen out, so there is no reason to replace them while cracked only. In case of replace

needed, order the components at your sales representative or manufacturer’s address.

Please specify the type and the serial number and the fireclay ID number (see the

Technical Card).

Procedure If you need to replace the side bricks, remove the upper partition or remove the

fireclay holders and take the damaged brick away. Sometimes, you need to remove the

cast grate with bricks at the bottom. For the installation, use the same procedure (reverse).

Make sure you place the components back in exact positions (follow the Technical Card).

Caution! Do not put the fireplace stove in operation if (even a part) of the lining within the

burning area falls out. There is danger of burning the construction through.

8.2. Broken glass

The door glass is made of special glass-ceramic material, characteristic with top heat

resistance. Do not use standard window glass!

Procedure There is no need to dismount the whole door. You should only unscrew the

holders and remove the glass then easily. When you install the new piece, make sure the

new glass is seated evenly. The contact surface between the glass and the door must be

provided with a sealing tape. Do not replace the sealing tape if it is in good condition.

Tighten the glass holders back slowly and carefully to avoid cracking the new glass by

excessive tension.

Caution! Some types of the fireplace stove are not provided with the sealing tape along the

whole perimeter.

8.3. Partitions to control the chimney effect

To clean the fireplace stove or replace fireclay (vermiculite) bricks, first remove the

movable partitions (if installed, see Technical Card). This way, you make you way to the

cleaning or replacement job. Keep in mind that some types of the partitions are designed for

holding the bricks at the position as well. Make sure you do not tilt them or let them fall out

and break. Install them back in their original positions.

Disassembly Lift the movable partition on one side a bit – this way, the other end is

lowered. Move the partition aside to allow taking it out of the device.

Assembly Use the same procedure (reverse order). Insert the partition into the device and

find the previous position. Check the final position with the Technical Card!

8.4. Cracked side tile

During transport, operation or for other reasons, tiles designed for the fireplace stove lining

may suffer. The tiles (or metal panels) are stuck in the lining by pressure from special

springs.

Disassembly Knock on the tile slightly (use the palm of your hand) to move it to the edge

(right or left). Make sure the tile does not fall down or cracks by the tension from the spring

released. Start the disassembly from the tile in the middle or from the tile leaned against

the lining from two sides.

Assembly Start with the bottom or upper tile. Insert the tile in its original position (from the

right or left), then get through the power produced by the spring. To do so, the best way is

to hold the tile with both hands, push it to get in contact with the edge of the fireplace stove

and, after that, knocking on the tile with you palm (gently!), move it in its correct position.

(Sometimes you need to produce a bit more than gentle knocking). Make sure the tile is

positioned properly – the same overlap on both sides. The tile to be seated in the middle is

installed the last.

Caution! If during the operation any part of the lining gets loose by material dilatation, it is

recommended to increase the spring force.

8.5. The blind element substituted by an exchanger (optional)

Disassembly Use a wrench (proper size) to unscrew the nuts from the blind element.

Remove it from the fireplace stove construction.

Assembly Before you install the exchanger, carefully clean the contact area. Remove any

remaining parts of the previous sealing after the blind element has been taken away.

Provide undamaged sealing under the exchanger. Tighten the nuts evenly to provide good

tightness along the whole exchange flange.

Haas-Sohn OVALIS RLU GRANDE Seite 7

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