Appliance; General Precautions - Hergom HERITAGE Libro De Instrucciones Para Instalación, Mantenimiento Y Uso

1.2.4 - GENERAL PRECAUTIONS

 Use only prefabricated metal chimneys special for high temperatures.
 Do not connect a heating appliance to any conduct or air distribution system.
 Do not connect to chimneys with other services, as this would compromise the safe operation
of the appliance and the other applications.

The premises where the heating appliance is to be installed must have a sufficient air inlet in
the premises to satisfy its air requirements. Houses that are excessively isolated can cause
the chimney not to work as well as possible and even cause reverse draughts bringing the
smoke inside the room when, for instance, the kitchen extractor hood is working. In such a
case it is necessary to make a special air inlet from outside the house to supply the

appliance.

1.2.5 - EXTERNAL FACTORS AFFECTING THE OPERATION OF A CHIMNEY:
 Houses highly isolated on the inside, without air flows. As there is not sufficient air in the
heating appliance, there is a deficient draught. This is corrected by sending air from the
outside to the stove.
 Trees and/or buildings close to the house.
 The wind speed. Generally, strong winds increase the draught, but stormy winds reduce the
draught.
 The difference between the temperature on the inside / outside. The colder it is outside, the
better the draught.
 Barometric pressure. On rainy, damp or stormy days, the draught is generally weak.
 Liveliness of the fire. The hotter the fire, the stronger the draught.
 Cracks in the chimney, a badly sealed or dirty door to the appliance, air entering through the
pipe connections, another appliance connected to the chimney, etc. can cause unsuitable
draughts.
1.2.6 - SOME STANDARDS
Below are other standards that must be respected when building the chimney:
a) Use resistant and non-combustible materials. Do not mount cement asbestos tubes.
b) Choose a route that is as vertical as possible. Do not connect various appliances to
the same chimney.
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