Ariston CLAS ONE R 24 - Boiler Electrical Diagram

24 /
INSTALLATION
Electrical diagram
For increased safety, ask a qualified 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.
N L
BUS
T B
FLOOR
TA2
230 V
SE TNK SOL TA1
230 V
230 V 230 V 230 V 230 V
Bk
C.H. return
temperature
probe
C.H. flow
temperature
probe
Outdoor sensor
Room Thermostat
Detection/Ignition
electrode
Gas valve
Modulating fan
CN2
CN7
1
1
CN1
1
CN8
CN2
CN1
CN3
11
CN6
CN3
MH4
MH2MHOLE
DHW
OUTDOOR
1
OFF
N
L
LN
DHW
ON
CH
L
RT
MAIN SUPPLY
Bl
Bl
Bk
Rd
Gr
Bk
PUMP
Y/G Y/G
Br
Br
Bl
Bl
Bl
NOTE: For separate
2 zone temperature
management with an
outdoor sensor con-
nected contact the
Technical Help Desk
on 0870 241 8180