• ELECTRONIC CIRCUIT BOARD
socket
RS323
SERIAL PORT
The Dealer can install an optional on the AUX outlet for controlling the process of
switching on and off (e.g. telephone remote, local thermostat), located at the rear oh the
boiler-stove. Can be connected via special optional trestle (code 640560).
BACKUP BATTERY
A backup battery is found on the control board (3-Volt CR 2032 battery).
Its malfunction is indicated with the following messages (not considered a defect but
due to normal wear-and-tear): "Battery check".
For more detailed information, please contact the DEALER who has performed the fi rst
1st ignition.
GENERAL INFORMATION
Boiler NTC
probe
smoke rpm
backup battery
lithium CR2032
Smoke expulsion motor
M SCREW
Outlet pump
D.H.W. fl ow
switch
fl ow sensor
thermocouple
Boiler/puffer cable (optional)
port back boiler
PLEASE NOTE:
The BOILER/PUFFER connection cable, as well as
the BOILER probe, are supplied for connecting the
boiler to technical/domestic water storage devices.
If you install a BOILER or PUFFER, request the
relevant dedicated FIRMWARE.
FUSE two fuses are inserted in the so-
cket with switch, located on the back of
the boiler, one of which operational (*)
and the other is held in reserve (* *).
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Water
outlet
probe
Hydraulic system mini-
mum pressure switch
Boiler/heating deviator
valve
Boiler/puffer circulator
D.H.W. heating
diverter valve
230 vac power supply
50Hz +/-10%
* **