User manual
29
5
T
erminology
and
Abbr
eviations
the
evaporator
,
ener
gy
fr
om
the
heat
source
is
absorbed
by
the
r
efrigerant
passing
thr
ough
the
evaporator
.
The
r
efri
gerant
turns
into
gas.
(See
”Heat
Pump
Principle”
on
p.
4).
is
the
heat
balance
of
the
heating
system.
Pr
oduction
of
heat
is
r
egulated
acc.
to
a
calculated
heat demand
value.
This
value
is
determined
by
comparing
the
actual
supply
line
temperatur
e
with
its
calculated
(setpoint) value.
The
dif
fer
ence
between
the
two
values
is
multiplied
by
the
time
during
which
the
dif
fer
ence
is
active.
The
r
esul
-
ting
value
is
r
eferr
ed
to
as
the
integral.
The
integral
value
is automatically
established
when
heat
is
being
pr
oduced.
The value
can
be
viewed
in
the
sub-menu
TEMPERA
TURE.
compr
essor
raises
temperatur
e
and
pr
essur
e
of
the
the
r
efrigerant
(See
”Heat
Pump
Principle”
on
p.
4).
the
condenser
,
the
r
efrigerant
r
eleases
its
heat
ener
gy
to
the
heating
cir
cuit.
(See
”Heat
Pump
Principle”
on
p.
4)
CURVE
value
will
be
adjusted
on
the
contr
ol
panel.
The value
indicates
the
temperatur
e
of
the
water
distributed
to
the
radiators
(supply
line
temperautr
e)
at
an
outside
air
temperatur
e
of
0°C.
cuit
in
the
heat
pump
filled
with
r
efrigerant
that
by
evapo
ration,
compr
ession,
and
condensation
absorbs
heat
ener
gy
fr
om
the
sytem
cir
cuit
and
r
eleases
it
to
the
Heating circuit.
Radiator Heating
element
Control he
contr
ol
computer
r
egulates
the
whole
installation.
All
system
settings
and
computer
temperatur
e
changes
ar
e
stor
ed
and
r
egister
ed
in
the
computer
.
Settings
ar
e
adjusted
ia
the
graphic
display
on
the
contr
ol
panel.
Heating circuit he
heating
cir
cuit
r
eceives
heat
ener
gy
fr
om
the
r
efrigerant
cir
cuit
and
carries
it
to
the
water
heater
or
radiator/
floor
coil
systems.
(See
further
”Heat
Pump
Principle”
on
p.4).
Heat curve he
heat
curve
is
the
contr
ol
computer’s
instrument
for
determining
the
r
equired
supply
line
temperatur
e
of
the
heating
system.
Indoor
temperatur
e will
be
adjusted
by
adjustment
of
the
CURVE
value
Condenser In
Compressor The
CURVE The
Refrigerant Cir
circuit
T
T
T
INTEGRAL INTEGRAL
Evaporate In
v