Unical INOXIA GJ Series, Installation And Servicing Manual

Page: 35 / 56

35
Instructions for the installer
P
1
°C
O
K
1
2
1
2
>1
s
+
°C
°C
°C
BU
S
ID
1/
2/
11
/M
od
R un
2 1
3
1 4 2
11
4
1
12
13
32
P
s
P
R
O
D
U
TT
O
R
E
A
C
Q
U
A
C
A
LD
A
S
A
N
IT
A
R
IA
P
b
P
z1
P
1
IR
/B
T
P
z2
V
m
ix
2
IR
/A
T
S
P
F
VF
14
15
16
17
35
33
34
18
19
20
21
22
23
21
.0
20
Ser viz io
Dat a/O ra/ Vac anz e
Vis ual In f.
Ute nte
Pro gr.T em po
T ec nic o
Im pia nto
Acq 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
E
V
E
N
TU
A
LE
S
E
PA
R
AT
O
R
E
ID
R
AU
LI
C
O
P
ER
IL
P
E
R
FE
TT
O
B
IL
AN
C
IA
M
E
N
TO
D
E
LL
’IM
P
IA
N
TO
K
F
K
F1
V
E
C
A
LD
A
IA
IN
O
XI
A
G
J
1
K
F1
V
E
C
A
LD
AI
A
IN
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X
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2
3.21
–
W
A
TER AND ELECTRICAL CONNECTION
WITH CASCADE BOILER P
ANEL INSTR
UMENTS cod.
37892 & 37900
The fig.
20 sho
ws the typical patter
n of connection of the boiler to the heating system, it consists of tw
o boilers with cascade function at the ser
vice of an area high
temper
ature and a lo
w temper
ature z
one controlled b
y motor
iz
ed mixing v
alv
e + production of hot w
ater
.
The boiler No
. 1 is equipped with an instr
ument panel code
. 37892, boiler No
. 2 is equipped with an instr
ument panel code
. 37900
Vmix2 = mixing v
alv
e area (motor
iz
ed)
PZ1 = pump heating z
one HIGH
TEMPERA
TURE
Pz2 pump heating z
one = LO
W
EV = v
essel e
xpansion
IR / A
T = distr
ib
ution of the heating HIGH
TEMPERA
TURE
IR / BT = distr
ib
ution of the heating LO
W
Ps = hot w
ater recirculation pump
fig.
20
P1= circulator pump Pb = charge pump hot w
ater producer
SPF = tank sensor KF = boiler temper
ature control probe E8.5064
KF = 1 boiler temper
ature control probe Lak
e Basic 0201 R
V 1
VF = outlet probe AF = e
xter
nal probe