EQUATION EQH-70 Instrucciones Para Instalación, Uso Y Mantenimiento página 25

As the accumulation of creosote depends on a number of variables, it is very
difficult to know when the chimney should be cleaned.
The safest way of ensuring that the chimney of your fireplace is creosote free is by
performing a visual inspection.
Consequently, we recommend building installations that are easy to access.
3. - Options
If you are going to build a chimney for your Built-in Fireplace EQH, you have two
alternatives:
a) Brickwork chimneys.
b) Metal chimneys.
Studies have reached the conclusion that there is no great difference in
performance between metal and brick-cement chimneys. You will have to choose one or
the other.
Whenever possible, build your chimney inside the house; this will provide better
draw, lower creosote accumulation and a longer life.
The advantages of brick chimneys include:
a) Fumes cool off more slowly inside the chimney due to the mass of bricks
and tiles.
b) As bricks accumulate heat, the house keeps warm longer after the fire is
put out.
c) It can be built to the specific requirements of each person.
d) If well built, it will be more resistant to fire than metal chimneys.
Brick chimneys must be well lined to prevent the fumes from losing temperature.
They must be built with materials that support high temperatures and corrosion.
They may be round, square...., what matters is their size.
Brickwork chimneys for the Built-in Fireplace EQH must comply with the
measurements indicated in the chapter on TECHNICAL DATA.
The advantages of metal chimneys include:
a) Easy installation.
b) It is possible to change the direction of the chimney slightly, which
provides greater flexibility when deciding where the fireplace should be installed.
c) Curved joints can be used, which eliminates acute angles that have a
negative effect on draw.