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Switching off
procedure
Press
the
ON/OFF
button, to switch off the
appliance.
The display indicates only
two hyphens.
ATTENTION!!
Switch off the appliance
completely by switching
the
external
electrical
switch
to
the
OFF
position. Shut off the gas
valve.
Appliance shut-off conditions
The appliance is protected from malfunctions by means
of internal checks performed by
the electronic P.C.B., which stops
the appliance from operating if
necessary.
In case of shut-off, the flame symbol
disappears from the display, which
indicates an error code – see table
below.
To reset the system, switch ON/OFF the device.
If the appliance still indicates the error code, switch it
off. Make sure that the external electric switch is in the
OFF position, close the gas valve and contact a qualified
technician.
Error table
Error
Description
code
After pressing the ON/
OFF key, the control board
switches off
No flame detected
A 1
- Ensure that the device
is electrically powered.
- Ensure that the gas
valve is open
- Hold down the ON /
OFF. The appliance
starts the RESET
procedure. Release
the button as soon
as RESET message
appears.
IF THE ERROR CODE IS NOT INDICATED
IN THE TABLE, CLOSE THE GAS VALVE,
TURN THE EXTERNAL ELECTRIC SWITCH
IN THE OFF POSITION AND CONTACT A
QUALIFIED TECHNICIAN.
IF THE ERROR IS NOT ELIMINATED, DO
NOT ACTIVATE THE APPLIANCE.
Anti-freeze protection
Should the appliance be installed where pipes are
subjected to freezing, it is recommended to empty it.
Proceed as indicated below:
- Turn the external electric switch to the OFF position
- Close the gas valve.
- Close the cold water inlet valve
- Open the DHW valves until both the device and pipes
are completely emptied.
To fill the device again, open the cold water inlet valve
together with DHW valves until the water exits.
Changing the gas supply
These appliances are designed to operate
with different types of gas. The gas must be
changed by a qualified professional.
Maintenance
Schedule an annual maintenance check-up for
the appliance with a competent person.
Correct maintenance always results in savings
in the cost of running the system.
Failure to arrange an annual service for the
appliance will invalidate the second year of the
manufacturers guarantee.
USER'S MANUAL
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