TECHNICAL PASSPORT. INSTALLATION and OPERATION MANUAL
TECHNICAL PASSPORT. INSTALLATION and OPERATION MANUAL
12
Diagram 7. Wiring diagram of connection of external devices / sensors to the burner
NPBC V3M-2
L N
Power
Supply
220 V
Fuel
Feeder
br
own
blue
N
L
CH
Pump
220
V
D
HW
Pump
220
V
N
L
Sensor
Buff
er
bott
om
Sensor
DHW
Sensor
Buff
er
to
p
Room
Therm.
B
oiler
Sensor
N
L
N
L
N L
N
L
N
L
blue
brown
brown
blue
brown
blue
brown
blue
brown
blue
brown
blue
brown
blue
OD
The burner must be connected to a
220V/50Hz mains using power plug
(3 meters long, bound to the burner).
Create tight connection with the
electrical mains which complies with the
local regulations.