CHAFFOTEAUX EXPERT CONTROL - Installation Guide; Connecting to the Boiler

86
GB
installation
Connection to the boiler
The sending, receiving and decoding of
signals occurs through the BUS proto-
col, which puts the boiler and the system
interface in contact with each other.
- connect a pair of wires to the BUS
connector on the boiler P.C.B.
- connect the pair of wires running
from the BUS connector to the sys-
tem interface terminal.
NOTE: To avoid interference problems
N
N
FLAME
L
L
BUS
TB
FLOOR
TA2
SE TNK SOL TA1
CN14
CN13
CN19
CN1
CN15
CN4
1
1
1
1
CN9
1
BUS
B T
BUS
TB
FLOOR
TA2
SE TNK
when connecting the room sensor and
boiler, use a shielded cable or twisted
pair cable.
BOILER
P.C.B.
SYSTEM
INTERFACE