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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.
Peripheral unit connection
LV connection
BUS
TB
TA2 SETNK SOL TA1
CN1
1
Display
C.H. Return temp. probe
C.H. Flow temp. probe
Thermal fuse
D.H.W. ow switch
Switch ON/OFF
Br
Rd
Rd
Bl
Bl
Br
Br
Bk
Bk
Bk
BUS - Remote Control (modulating device)
TA2/FLOOR - Underoor heating thermostat
Room Thermostat 2
SE - Outdoor Sensor
SOL - Solar temperature probe
TA1 - Room thermostat 1
HV connection
CN14
CN3
1
1
CN8
CN9
1
1
CN25
1
1
CN6
N
N
FLAME
L
L
CN19
CN4
Bk
Bk
Gr
Wh
Rd
Bl
Modulating Fan
Detection electrode
Gas valve
Ignitor
Diverter valve
Circulation Pump
Bk
Bk
Bk
Bk
Br
Bl
Bk
Bl
Br
CN2
CN11
1
1
N
N
FLAME
L
L
BUS
TB
TA2
FLOOR
SETNK SOL TA1
CN19
CN1
CN4
1
Peripheral unit
LV connections
HV connections
CN14
CN3
1
1
CN8
CN9
1
1
CN25
1
1
CN6
CN11
1
1
CLAS HE EVO