Fase
F
Fase
Neutro
F
N
Mandata
Ritor
no
M
R
AB
B
A
TA
Sonda puff
er
Puffe
r
Sonda
AC
S
Rete idr
ica
30
Installation
Di
ag
ra
m 05 : The b
oi
le
r is c
onne
ct
ed t
o a t
echni
ca
l wa
te
r p
uff
er
.
Th
e b
oi
ler i
s sw
itc
he
d o
ff w
hen t
he u
pp
er p
ro
be i
s m
et.
Th
e b
oi
ler i
s sw
itc
he
d o
n w
hen t
he lo
w
er p
ro
be i
s n
ot m
et.
Th
e cen
tra
l h
ea
tin
g wa
ter w
ill t
hen b
e dra
w
n f
ro
m t
hi
s p
uff
er b
y b
oos
ter p
um
ps w
hic
h a
re n
ot co
nt
ro
lle
d b
y t
he b
oi
ler co
nt
ro
l uni
t.
I = Valve motorisation
(4-5-6)
II = NTC10K probe on tank ACS
(
2)
III = NTC10K probe on Technical
water puffer (3)
Terminal block: numerical correspondence
for the various electrical connections
External
thermostat
DHW storage tank probe or
low. puffer probe
common - N
Upp. puffer
probe
Phas
e
H
ea
t. side
Phas
e
D
HW side
Neu
tra
l
W
ATER
NE
TW
O
RK
THERM
OS
TA
TI
C
MIXIN
G V
AL
VE
D
HW S
YS
TEM WITH
RECIR
CUL
ATI
O
N
CENTR
AL
HEA
TIN
G S
YS
TEM
PU
MP
MANU
AL
MIXIN
G V
AL
VE
W
ATER HEA
T
EX
CH
AN
GER
Flow
Ret
ur
n
W
at
er n
et
w
or
k
Puff
er p
ro
be
ACS p
ro
be
a)
Pr
es
s t
he
k
ey
to s
et
th
e t
em
pera
tur
e
in
th
e
D
HW
ta
nk.
U
se
th
e
an
d
k
eys
to
se
le
ct t
he desir
ed deg
re
es
b) P
res
s t
he
k
ey t
o s
et t
he t
em
pera
tur
e in t
he t
ec
hnic
al wa
ter p
uf
fer a
nd w
ith t
he
an
d
k
eys c
ho
os
e t
he desir
ed deg
re
es
c) P
res
s t
he
k
ey t
o s
et t
he w
or
kin
g p
ow
er a
nd ad
ju
st i
t w
ith t
he
an
d
k
eys
Re-s
ta
rt
in
g f
ro
m s
ta
nd-b
y s
ta
tu
s o
cc
ur
s a
ut
om
at
ic
al
ly w
hen t
he t
em
pera
tur
e det
ec
te
d b
y t
he lo
w
er
pr
ob
e o
f t
he p
uff
er i
s lo
w
er t
ha
n t
he s
et t
em
pera
tur
e (b)
