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Haas-Sohn TOBA Manual

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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.
14
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