Technical information

25
installation
Electrical diagram
For increased safety, ask a qualied technician to perform a
thorough check of the electrical system.
The manufacturer is not responsible for any damage caused by
the lack of a suitable earthing system or by the malfunctioning of
the electricity mains supply.
8
1
Collegamento
schedino BUS
Connessione sonda solare
bus-translator
(optional)
Predisposizione
schede opzionali
5
1
ON
Display
Display
1 8
Flussimetro
sanitario
Elettrodo
Rilevazione
Ventilatore
AccenditoreValvola gas
Valvola dev. motorizzata
L N
FAN
VALVOLA GAS
ACCENDITORE
EARTH
FLAME
FLOW
PUMP
ZONE1
FILLING
PUMP
SPEED
1
1
FUSE 2AT
1 2 3 4 1 2 3 45 6
Circolatore
6
1
1
234
Termostato Ambiente 1
Sonda
Esterna
Termostato impianti a bassa temp.
Sonda NTC mandata risc.
CN04
CN04
CN07
CN22
CN22
Pressostato di minima
Sonda NTC ritorno risc.
Term. protezione scambiatore
Sonda NTC sanitario
P
13 12 11 10 9 8 7 6 5 4 3 2 1
12 11 10 9 8 7 6 5 4 3 2 1
11 10 9 8 7 6 5 4 3 2 1
11 10 9 8 7 6 5 4 3 2 1
2
1
8 7 6 5 4 3 2 1
Termostato sovratemperatura
ignitor
detection electrode
gas
valve
display
room
thermostat 1
external
sensor
circulation
pump
diverter
valve
C.H. ow
temp. probe
thermal fuse
modulating
fan
overheat ther-
mostat
D.H.W temp. probe
thermostat
C.H. return
temp. probe
D.H.W ow
switch
Water pressure
sensor
Low tempe- rature oor heating thermostat
bus translator (optional)
Optional board plate