Hergom MALLORCA Instrucciones Para Instalación, Uso Y Mantenimiento página 36

f) Internal walls must be smooth and free from obstacles. When tubes are joined
together in chimneys, which are in the process of being built, ensure that there is
a free flow of air.
Incorrect
f) It is vital that the joins in the pipes are correctly sealed so that any possible
cracks, which could allow air to enter, are covered.
Incorrect
To test the chimney to ensure that it is air and water tight proceed as follows:
- Cover the outlet in the roof.
- Put paper and damp straw in the lower part of the chimney and light them.
- Observe any possible cracks through which smoke is escaping and seal
them.
Correct
Correct
Covering slab
Escaping smoke
Paper and
damp straw
Incorrect
Fig.-6
Incorrect
Fig.-7
(Seal)
36
Correct
Correct