44
Brine medium
Dimensioning
The
collector
for
earth
/
bedrock
/
groundwater
/
lake
heat,
etc.
should
be
dimensioned
according
to
a
computerised
calculation
program.
Euronom
has
a
dimensioning
program
and
can
assist
with
this
type
of
calculation.
Connection hoses
Brine
medium
hoses
for
the
brine
system
are
already
installed
at
the
factory
and
can
be
removed
from
the
tank
on
the
right
or
left
side.
The
side
plates
are
perforated
at
the
outlets.
Use
pliers
or
a
similar
tool
to
cut
off
the
metal
blanks
on
the
desired
side.
Be
careful
because
this
can
create
sharp
edges.
The
brine
hoses
are
marked
with
the
text
"Brine
in"
and
"Brine
out"
with
arrows
showing
the
flow.
Condensation insulation
Since
the
brine
system
can
become
colder
than
0
°
C,
all
pipes/connectors
must
be
insulated
to
prevent
ice
or
condensation
from
forming.
Brine fluid
The
brine
medium
should
contain
an
antifreeze
medium,
e.g.
bio
ethanol,
to
maintain
fluidity
down
to
temperatures
of
‐
15
°
C.
Collector hose
The
collector
hose,
PEM
40
x
2.4
PN
6.3,
is
used
as
standard.
Every
metre
of
hosing
holds
about
1
litre
of
fluid.
Aerating
The
earth
heat
collector
should
be
installed
in
a
manner
that
facilitates
self
‐
aerating
without
any
air
pockets.
If
this
is
not
possible,
aerating
valves
will
have
to
be
fitted
to
the
highest
points
in
the
collector.
The
level
tank
should
be
located
at
the
highest
point.
Fill coupling
Pre
‐
fabricated
couplings,
e.g.
LK
520
Multifill
25,
with
integrated
valves
/
dirt
filters,
are
recommended
for
quick
installation
in
insulated
houses.
Expansion vessel
The
expansion
vessel
or
level
tank
should
be
installed
as
high
as
possible
on
the
incoming
brine
pipe
(brine
in).
Safety valve
A
safety
valve
with
opening
pressure
of
max
3
bar
should
be
installed.
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