
Installation
45
GB
Wiring diagram 2: connection to all types of boiler.
In this confi guration, at least one system interface
Expert control
is required (kit reference 3318870).
Wiring diagram 1: connection to boiler equipped with a BUS connection. The module is confi gured on the boiler or using
an system interface
Expert control
.
L
N
P2
L
N
2 2
ST2
3 3
ST3
A
1
A
1
AUX1
230V
L
N
N
L
P3
P1
TA1
TA2
TA3
SE
BUS BUS
B
T
B
T
1 2
ON
230V
SYSTEM
INTERFACE
ROOM
SENSOR
TA1
Z1
SYSTEM
INTERFACE
ROOM
SENSOR
TA2
Z2
ZONE 2
SAFETY THERMOSTAT
ZONE 1
MOTORISED GATE VALVE
ZONE 2 PUMP
OUTDOOR SENSOR
BOILER BUS
ZONE 2 FLOW SENSOR
ZONE 2 RETURN SENSOR
ZONE 2
MOTORISED MIXING VALVE
L
N
P2
L
N
2 2
ST2
3 3
ST3
A
1
A
1
AUX1
230V
L
N
N
L
P3
P1
TA1
TA2
TA3
SE
BUS BUS
B
T
B
T
1 2
ON
230V
SYSTEM
INTERFACE
ROOM
SENSOR
TA1
Z1
SYSTEM
INTERFACE
ROOM
SENSOR
TA2
Z2
ZONE 2
SAFETY THERMOSTAT
ZONE 1
MOTORISED GATE VALVE
ZONE 2 PUMP
OUTDOOR SENSOR
ZONE 2 FLOW SENSOR
ZONE 2 RETURN SENSOR
ZONE 2
MOTORISED MIXING VALVE
BOILER