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equipment using gas type B is not permitted (refer to
regulations in force in the place of installation);
using the stove or fireplace simultaneously with shared
ventilation systems is not permitted, whether with or without
extractor fans. Similarly the use of other devices or equipment,
such as air-conditioning systems or other heating systems
which use fans to circulate air, is not permitted. These devices
can cause a pressure drop in the environment of installation
even if they are installed in adjacent, communicating rooms.
1.6 Capacity load of the floor
Check the load-bearing capacity of the floor, referring to the weight of the
product given in the paragraph “Technical data”.
If the floor does not have a suitable load-bearing capacity, adequate
countermeasures must be taken, for example, by using a sheet metal plate
to distribute the load.
1.7 Heating capacity
Check the heating capacity of the appliance by comparing the rated power
given in the paragraph “Technical data” with the power required by the
environment to be heated.
The energy requirement may be calculated approximately by multiplying
the square metres of area by the height of the ceiling; the result is then
multiplied by a coefficient, which depends on the degree of insulation of
the building, that is, on internal and external factors of the dwelling:
a) Internal factors: type of window and door frames, thickness of the
insulation and walls, type of building materials, presence of stairwells,
walls with extensive glazing, high ceilings, position of the rooms to be
heated in relation to other adjacent heated or unheated rooms, …
b) External factors: geographical position, average outdoor
temperature, exposure, wind speed, latitude, altitude, …
Example of approximate calculation of the energy requirement to
heat a fixed volume to 18/20° C:
The coefficient that is normally used is determined according to the real
conditions as they occur case by case.
- From 0.04 to 0.05 kW per cubic metre in a well insulated environment
- From 0.05 to 0.06 kW per cubic metre in a poorly insulated
environment.
3 rooms measuring 20m2 X (H ceiling) 2.7m = 162 m3 (volume)
In an environment with a good degree of insulation, an average value
(coefficient) of 0.045 kW may be taken
162 (volume) X 0.045 (kW) = 7.3 kW necessary (6300 kcal/h)
Conversion 1kW = 860 kcal/h
Consult a heating technician or engineer for a correct check
and calculation of the requirement of the environments to be
heated (see “Reference standards”).
Rated power being equal, products with the Multi-fire system
can evenly distribute heat throughout the rooms to be heated.
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