CHAFFOTEAUX 3318870 Manuel D'instructions page 86

installation
GB
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
BUS
B T
BOILER
86
SYSTEM
INTERFACE
T B FLOOR
BUS
TA2
P.C.B.
when connecting the room sensor and
boiler, use a shielded cable or twisted
pair cable.
T B FLOOR
BUS
N
SE TNK SOL TA1
1
N
FLAME
SE TNK
TA2
L
L
CN15