59
7.7 Wiring Diagrams
lig
ht
-bl
ue
brown
fuse 2A
ye
llow
/g
re
en
L
N
EXHAUST FAN
type RG128/1300-3612
PRINTED CIRCUIT BOARD DIGITECH 2 - MIAH102
COD. 40-00016
EV
M5
M1
M2
M3
M6
M7
M9
M10
M8
C
C
Heating
D.H.W.
TS
TF
IG
SR
SS
Pacq
EV
1
EV
2
Tra
SE
VD
TF1
TF2
EA
ER
oran
ge
ligh
t-
bl
ue
br
ow
n
re
d /
bl
ac
k
blac
k
blac
k
wh
ite/blac
k
br
ow
n
ligh
t-
bl
ue
light-blue
brown
br
ow
n
ligh
t-
bl
ue
bl
ack
br
ow
n
ligh
t-
bl
ue
EV
2 B
EV
1 A
EV
1 B
EV
2 A
re
d
ligh
t-bl
ue
br
ow
n
ligh
t-b
lue
br
ow
n
orang
e
orang
e
br
ow
n
oran
ge
Remote control
Telephone control
M10
M1
orang
e
blac
k
black
M2
M6
M9
M5
M7
VG
blac
k
MF
bl
ack
remote controller
zone valve
Zone valve contact
closure
M4
Zone valve mana
option remote controller board
cod. 40-00018
St
or
ag
e cyli
nde
r t
im
er
(option
)
for
st
or
ag
e bo
ilers on
ly
vi
ol
et
Option remote lock
- out indicator
Key
IG: Main Switch
TF: Thermo Fuse 102°C
TS: Safety thermostat
SR: Heating sensor
SS: DHW sensor
EV: Fan
SE: Outside temperature
sensor (optional)
ER: lonisation electrode
EA: Ignition electrode
TRA:Ignition transformer
VD: 3-way valve
C: Circulating pump
MF: Flowswitch micro
PACQ : Water pressure switch
