GB
start-up
Electrical diagram
SYSTEM
INTERFACE
CONNECTION
COVER
230V POWER
SUPPLY
(*)
CONNECTION OF
EXISTING BOILERS
LED signals
GREEN LED (left)
off
fi xed
fl ashing
GREEN LED (central)
Light off
Fixed light
Flashing light
RED LED (right)
Light off
Fixed light
38
FUSE
230 V
230V
P1
N
L
N
L
SAFETY
THERMOSTAT
SOLAR CIRCULATOR
DIVERTER VALVE
(where present)
power supply OFF
power supply ON
powered ON, PCB in manual mode
BridgeNet® Bus communication absent or not-OK
BridgeNet® Bus communication present
scanning or initialisation of BridgeNet® Bus communication
no operation error
presence of one or more operation errors
V1
AUX1
S1
S2
S3
S4
L- N L+
A1 A1
(*)
HIGH INDIRECT CYLINDER SENSOR
LOW INDIRECT CYLINDER SENSOR
COLLECTOR SENSOR
LED LUMINOSI
ANODE
CONNECTION
INTERTERFACE
TEMPERATURE
SENSOR
PRESSURE
FLOW
MIX VALVE
BUS BUS
B
T B
T
BRIDGENET® BUS NETWORK
HEATING RETURN SENSOR
(where present)