Appliance Shut-Off Conditions; Anti-Freeze Protection; Change Gas Type; Maintenance - Ariston NEXT EVO X SFT Series User Manual

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 a code appear on
the display – see table below.
To restore the system, turn the unit
off and back on again.
Error table
Error
Description
code
After pressing the ON /
OFF button, the display
turns off
No flame detected
A1
Ignition fault
IF THE APPLIANCE WON'T START AGAIN OR
STOPS REPEATEDLY, ONCE YOU'VE CARRIED
OUT THE RELEVANT CHECKS, CLOSE THE
GAS VALVE, TURN THE OUTER ELECTRIC
SWITCH IN THE OFF POSITION AND
CONTACT A QUALIFIED TECHNICIAN.
SHOULD THE ERROR NOT BE 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 outer electrical switch to the OFF position
- Close the gas stopcock
- 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.
- Check that the unit is
electrically powered.
- Check that the gas
cock is open
- Press the ON / OFF
button.
Disposal and recycling of the unit.
Our products are designed and manufactured for most of
the components to be made of recyclable material.
The unit and its accessories have to be adequately
disposed of and the various materials differentiated,
where possible.
The packaging used for the transport of the unit must be
disposed of by the installer / dealer.
ATTENTION!!
Recycling and disposal of the unit and the accessories
must be made as required by regulations.
Change of gas type
Our instantaneous water heaters are designed to function
either with Natural Gas (methane) or LPG gas. If you
need to change from one gas to the other, one of our
Authorised Service Centres must be contacted to convert
the appliance.

Maintenance

Schedule an annual maintenance check-up for the
appliance with a qualified 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 warranty.
USER'S MANUAL
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