58
P1
°C
O
K
1
2
1
2
>1
s
+
°C
°C
°C
BU
S
ID
1/
2/
11
/M
od
R
un
2
1
31
42
11
4
1
1
2
1
3
3
2
Ps
PR
O
D
U
TT
O
R
E
AC
Q
UA
C
AL
DA
S
AN
IT
AR
IA
Pb
Pz
1
P1
IR
/B
T
Pz
2
Vm
ix
2
IR
/A
T
SP
F
VF
14
15
16
17
35
33
34
18
19
20
21
22
23
21
.0
20
Ser
v
izi
o
Dat
a/O
ra/
Vac
anz
e
Vis
ual
In
f.
Ute
nte
Pro
gr.T
em
po
Tec
nic
o
Im
pia
nto
Ac
q
ua
Cal
da
Circ
uito
ris
c. I
Sol
are
/M
F
Circ
uito
ris
c. I
I
°C
O
K
1
2
1
2
>1
s
+
°C
°C
°C
BU
S
ID
1/
2/
11
/M
od
R
un
2
1
EV
EN
TU
AL
E
SE
PA
R
AT
O
R
E
ID
R
AU
LI
C
O
PE
R
IL
P
ER
FE
TT
O
B
IL
AN
C
IA
M
EN
TO
D
EL
L’I
M
PI
AN
TO
KF
KF
1
M
R
at
R
bt
C
AL
DA
IA
X
C
-K
1
VE
KF
1
M
R
at
R
bt
C
AL
DA
IA
X
C
-K
2
VE
3.27
-
HYDRA
ULIC AND ELECTRIC SYSTEM CONNECTION
WITH BOILERS IN CASCADE P
ANEL BO
ARD code 38778 and
code 37901
Fig.
35
sho
ws
the
typical
la
yout
of
the
connection
of
the
boiler
to
the
heating
system
consisting
in
2
boilers
in
cascade
ser
ving
1
high
temper
ature
z
one
+
1
lo
w
temper
ature
z
one
controlled
b
y
a
motor
ised
mix
er
v
alv
e
+
domestic
hot
w
ater
production.
Boiler
n°1
is
fitted
with
a
panel
board
code
37892,
boiler
n°
2
is
fitted
with
a
panel
board
code
37900.
Key
:
M = flo
w
Rat = HIGH temper
ature retur
n (NO
T USED)
Rbt = LO
W temper
ature retur
n
Vmix2 = z
one mix
er v
alv
e (motor
ised)
Pz1 =
HIGH
TEMPERA
TURE z
one heating system pump
Pz2 =
LO
W
TEMPERA
TURE z
one heating system pump
VE =
expansion v
essel
IR/A
T = HIGH
TEMPERA
TURE heating system distr
ib
ution
IR/BT = LO
W
TEMPERA
TURE heating system distr
ib
ution
fig.
35
Ps =
DHW recirculation pump
P1 =
circulation pump
Pb =
DHW production charge pump
SPF = stor
age tank probe
KF = E8.5064 heat control boiler probe
KF 1= Lago Basic 0201 R
V 1 heat control boiler probe
VF = flo
w probe
AF = e
xter
nal probe
EXTERNAL
PR
OBE
(AF)
CONTR
OL P
ANEL
code 38778
CONTR
OL P
ANEL
code 37901
XC-K
BOILER
No
.1
XC-K
BOILER
No
.2
DOMESTIC
HO
T
W
ATER
PR
ODUCER
EVENTU
AL
W
ATER
SEP
ARA
TOR
FOR
THE
PERFECT
BALANCE
OF
HYDRA
ULIC
SYSTEM
Summary of Contents for XC-K oil 230
Page 63: ...63...
