Hergom L-09 CA Instrucciones Para La Instalación, Uso Y Mantenimiento página 30

2.- INSTALLING DRAW REGULATION VALVE AND CLEANING COVER.
Although the closed cookers have been
provided with a system to regulate the
input of fresh
combustion, it is advisable, mainly for
installations with high draw systems of
over five metres, good construction,
insulation... to place a regulator/cover
on the wall, near the cooker output, to
help control chimney draw, heat power
and fuel consumption.
The said regulator/cover, given its
deign, will not only control the chimney
draw but also provide a window to
access the chimney
air required for
for cleaning
purposes, which
performance.
The regulator/cover
installed following
indicated in fig. 13.
The regulator MUST NOT totally close
off the passage of fumes, as an accident
may occur if they cannot be evacuated
completely.
The open safety
circulation of fumes must not be
less than 20% of the cast iron
frame gap. If necessary, cut the
regulator to provide the above-
mentioned
Fig.12
will improve its
can be easily
the instructions
gap for the
gap.