9
INSTALLATION AND OPERATION MANUAL
Fig. 5 Principle scheme of the house heating system including heat accumulation
La
ddom
at 2
1
Th
er
m
os
tat
ic Mi
xin
g V
alv
e
Pum
p
Co
nt
ro
l
Flow
Co
nt
ro
l
Va
lve
He
atin
g B
oile
r
Flow
Co
nt
ro
l
Va
lve
Air
O
ut
let
W
ate
r H
ea
tin
g
Do
m
es
tic W
ater
Re
cir
cu
lat
ion
Pum
p C
on
tro
l
Th
er
m
os
tat
ic
Swi
tch
M
emb
ran
e
Ex
pa
ns
ion V
es
sel
Th
er
m
os
tat
ic
M
ixin
g V
alv
e
Do
m
es
tic W
ater
Prep
ara
tio
n
Fro
m W
ater S
up
ply
Ho
t W
ater
Air
O
ut
let
Ot
her N
ot
atio
ns
:
Au
to
ma
tic
W
ater
Ad
dit
ion
Va
lve
Ac
cum
ula
tio
n T
an
k
The
rmo
me
ter
3-
W
ay
Ser
vo D
riv
e
M
ixin
g V
alv
e
Retu
rn
Ov
er
flow
Va
lve
Fil
ter
He
ati
ng
Sy
stem
Su
pp
ly
He
ati
ng
Sy
stem
Re
tu
rn
Au
to
ma
tic
Air
O
ut
let
Retu
rn
Va
lve
Va
lve
Pre
ssu
re R
elie
f
Va
lve
Pu
mp
Th
er
m
om
eter -
M
ano
me
ter
M
ano
me
ter
W
ith
Va
lve
W
ate
r S
up
ply
Pro
gr
am
m
ab
le
He
ati
ng
Sy
stem
Pr
oc
es
so
r
M
in 6
5
o
C!
He
at
pr
od
uc
tio
n
He
at c
ons
um
pt
ion
