hergom L-09 CA Instructions Pour L'installation, L'utilisation Et L'entretien page 39

In this type of
absolutely obligatory to install an open
expansion vessel
automatic filling valve.
The installation of this type of expansion
vessel offers the advantage and peace
of mind of guaranteeing the circuit is
kept at full capacity by replacing any
unexpected water loss.
In order to avoid damaging the cooker
by overheating of the vessel due to a
ENVIRONMENTAL RECOMMENDATION
XII.- INSTALLATION DIAGRAMS
installations it is
with a floating
breakdown of the pump or to lack of
electric power,
possible, that at least the first two
radiators and the hot water accumulator
should be installed in such a way that
they can operate by a thermo-siphon
system using larger diameter pipes in
these sections.
VERY IMPORTANT
Maximum operating pressure should not
2
exceed 0.5 kg/cm
we recommend,
.
if