docherty SEVERN CORNER Посібник з монтажу - Сторінка 6
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Друкувати сторінку4.3 Enclosure of fireplace inserts
Special expertise is required for building the fireplace insert into the fireplace.
The installation must comply with current Building Regulations, National and European
Standards and any Local Authority byelaws.
2. After installing the whole fireplace, the inlet and outlet of conventional air through any
construction parts must not be limited. The cross section of the inlet and outlet of air grilles is
listed in the technical sheet.
3. To augment the final appearance of the fireplace, the dimensions of the door frames
exactly match the ceramic facing produced by Romotop spol. s.r.o.
4. The enclosure must be made of suitable, designated materials.
5. The warm conventional air outlet must be at least 30cm below the ceiling (figure 2).
6. An inflammable ceiling construction must be present above the conventional warm air
outlet. Its temperature must not exceed 85deg C. Thus, the lower ceiling must be insulated
from the effects of heat coming from the fireplace by a barrier and at least one not fully
closeable grated opening (figure 2)
7. The same requirements also hold for the walls next to the fireplace and for the floor. A
ventilated air space must remain between the heat insulation and the wall.
8. The wall of the fireplace must not contain electric wiring and water or gas distribution
pipes. The wall nor its surface may contain flammable materials or materials which may
release harmful substances when heated.
9. Minimal free distances must be kept between the fireplace insert and the cover (see
technical sheet) for the whole height and width of the fireplace insert, so that convected air
can freely circulate and prevent the overheating of the fireplace set.
10. Eventual air conditioning piping must be located at least 40 cm from flammable building
constructions, or it must be documented that the heat from the piping cannot cause the
construction to catch on fire. Convected air can reach temperatures of up to 300°C near the
insert!
11. Do not forget that fireplace inserts also spread heat in the direction of the floor. The floor
under the fireplace and at a distance of at least 80cm in front of the furnace and 40cm to the
sides of the furnace must be made of an inflammable material. The distance is measured
from the closer edge of the furnace. The surface for the fireplace must have an appropriate
load capacity.
12. Do not forget that when considering the use of wooden decorative ledges, these must be
made of quality wood with a humidity of at most 15% and that convected cooling air must
flow around it with a gap of at least 1cm or they must be heat-insulated from the fireplace, so
that their surface temperature does not exceed 85 deg C.
13. When distributing hot air via natural air circulation, it is recommended to use horizontal
pipes at most 4m long. When distributing hot air via forced air circulation, the length of pipes
is not limited.
14. The pipes for distributing hot air must be tight and made of a material resistant to
operating temperatures. We recommend insulating them at the whole length, especially
where they traverse walls, ceilings or around flammable materials.
15. Hot air outlets must not be located at areas with materials susceptible to structural
changes caused by temperature fluctuations (e.g. polyester lining, certain types of wallpapers
etc.)
16. No construction changes or adjustments may be performed on the fireplace insert!!!
Vertical cross section of single-coating fireplace with closable furnace
01 – chimney vent
02 – wall
03 – insulation area above the chamber
04 – hot air chamber ceiling
05 – ventilated air gap
06 – heat insulating layer
07 – hot air chamber area
08 – fireplace insert flue pipe
09 – fireplace insert smoke chamber
10 – closed fireplace furnace