Baxi SILA RCV 300 Installation Instructions, Functioning And Maintenance page 29

ENGLISH
Accessibility
The device is
service/maintenance operations thanks to the front
door (fig.12). Also
"Maintenance/cleaning" .
10 10
12
2
1
Electrical connections
11
13
PE
MAINS
N
230V ~50Hz
L
2
3
VCC
4
A
B
GND
5
easily accessible
see the paragraph
3
1
230V~50Hz
for any
on
GNYE
BN
L MAINS
BU
N
BU
N
PREH
BN
PREH
BOOST
BOOST
GND
VCC
A
HMI
B
GND
A
B
MODBUS
GND
1
Mains 2 poles switch
2
Preheater (remote 230Vac relay coil )
3
Dry contact (remote switch / relay )
4
Remote HMI
5
Remote Modbus Master Unit
29