Electrical Wiring - Riello ALU PRO power Series Instructions For The Installer And The Technical Assistance Centre

ELECTRICAL WIRING

The ALU PRO power condensing boilers leave the factory completely cabled.
There remain only the connections to the electrical supply, to the room thermostat and to the outdoor temperature sensor.
For the connections to any other devices (accessories) see the diagram on the following page.
Proceed as follows to access the control panel terminals:
- Turn the small panel (1), unscrew the two screws (2)
and remove the cover (3).
- Carry out the connections shown in the diagram on the
following page.
b
Refer to the diagram below concerning the path
the cables must follow to reach the instrument
control panel from the outside of the appliance.
b
Prepare a connection suitable for the electrical
protection level of the installation room.
Passage through Passaggio
attraverso i
fair leads on the
pressacavi posti
panel
sul quadro
Stringere
Properly
adeguatamente
tighten the cable
i pressacavi
grommets
Passaggio
Passage through
attraverso il
foro predisposto
the hole on the
sul pannello frontale
front panel
42
INSTALLER
Passage
through a cable
grommet
Positioning on a sheet
Posizionamento su
metal channel
canalina in lamiera
2
1
3
Passaggio
attraverso
passacavo