Immergas 3.025499, Instruction And Recomendation Booklet

Page: 38 / 68

38
3-3 (1/2)
CH ON
INS
TALLER
US
ER
MAINTEN
AN
CE TECHNI
CI
AN
3.3 WIRING DIAGRAM - BOILER CIRCUIT.
The connector X5 is used for the connection to
the relay P.C.B..
Connector X6 is for connection to the personal
computer and only works when the boiler is
switched on.
The connector X8 is used for software updating
operations.
Ke
y: A3
-
Bo
iler P
.C.B
.
A4
-
Bo
iler d
isp
la
y b
oa
rd
A7
-
Re
la
y b
oa
rd (o
pt
io
na
l)
A11
-
In
ter
fa
ce b
oa
rd PT1000
A13
-
Sys
tem s
up
er
vi
so
r
A18
-
M
od
bu
s i
nt
er
fa
ce b
oa
rd
B1
-
Fl
ow p
ro
be
B2
-
D
om
es
tic h
ot w
at
er p
ro
be
B3-2
-
Zo
ne 2 fl
ow p
ro
be
B4
-
Ext
er
na
l p
ro
be (o
pt
io
na
l)
B5
-
Bo
iler r
et
ur
n p
ro
be
B5-1
-
Sys
tem r
et
ur
n p
ro
be
B10
-
Fl
ue p
ro
be
B11
-
So
la
r c
ol
lec
to
r p
ro
be (PT1000)
B12
-
St
or
age t
an
k s
ol
ar p
ro
be
E1
-
Ig
ni
tio
n e
lec
trode
s
E2
-
D
et
ec
tio
n e
lec
trode
E4
-
H
igh t
em
per
at
ur
e s
af
ety t
her
m
os
ta
t;
E7-2
-
Zo
ne 2 l
ow t
em
per
at
ur
e s
af
ety t
her
-
m
osta
t
E13
-
H
ea
t ex
ch
an
ger s
af
ety t
her
m
of
us
e
F1
-
Li
ne f
us
e, 3.15A F
F2
-
Tr
ans
fo
rm
er f
us
e, 315mA T
G2
-
Ig
ni
ter
M1-1
-
Bo
iler ci
rcu
la
to
r p
um
p
M6
-
So
la
r ci
rcu
it ci
rcu
la
to
r
M10-1
-
Zo
ne 1 s
ys
tem ci
rcu
la
to
r (h
igh t
em
-
pe
ra
tu
re
)
M10-2
-
Zo
ne 2 s
ys
tem ci
rcu
la
to
r (l
ow t
em
per
a-
tu
re
)
M20
-
Fa
n
M30
-
Th
re
e-w
ay v
al
ve
M32-2
-
Zo
ne 2 v
al
ve
M51
-
H
ea
tin
g i
nt
eg
ra
tio
n t
hr
ee-w
ay
va
lve
M52
-
H
ea
tin
g / c
oo
lin
g d
iv
er
ter v
al
ve
R
14
-
Sol
ar
config
ur
at
ion
re
sista
nc
e
R15
-
So
la
r c
ol
lec
to
r p
ro
be i
nh
ib
iti
on
re
sista
nc
e
S5
-
Sys
tem p
re
ssu
re s
w
itc
h
S34
-
No
t u
se
d (l
ea
ve i
t s
et a
t O
N)
S35
-
So
la
r s
ys
tem p
re
ssu
re s
w
itc
h
X40-1 zone 1 room thermostat jumper.
X40-2 zone 2 room thermostat jumper.
X70 low temperature safety thermostat jumper.
T1
-
Tr
ans
fo
rm
er 230V
ac - 24V
ac
Y1
-
G
as v
al
ve
K1
-
Zo
ne 2 a
ir c
on
di
tio
ni
ng c
on
tro
l r
ela
y
K2
-
Zo
ne 2 d
eh
um
id
ifi
ca
tio
n c
on
tro
l r
ela
y
Z1
-
An
ti-ja
m
m
in
g fi
lter
BK
-
Bl
ac
k
BL
-
Bl
ue
BR
-
Br
ow
n
G
-
Gr
een
GY
-
Gr
ey
G/Y
-
Gr
een-Y
ell
ow
O
R
-
O
ra
nge
P
-
Pu
rp
le
PK
-
Pin
k
R
-
Re
d
W
-
W
hi
te
Y
-
Ye
llo
w