Initial Set-Up; Ignition Procedure; Water Temperature Adjustment; Bath Function - Ariston NEXT SFT 14 User Manual

2.2. Initial Set-Up

IMPORTANT:
The installing technician should explain to the user how the
water heater works, the safety devices it includes and how to
use it.
Before turning the water heater on, it should be connected
to the electrical mains via a double pole isolating switch with
3mm contact separation in both poles.
• Make sure that gas is supplied to the water heater (valve on
gas pipe open) and purge any air as necessary
• Make sure that the electrical supply is turned on.

2.3. Ignition procedure

- ensure that the isolation valve located on the cold water
inlet is open
- ensure that the gas isolation valve is open
- ensure that the electrical supply is turned on.
When pressing ON/OFF button "2", the display activates.
The appliance is ready to operate
The set temperature is indicated on the display.
By opening a hot water tap, the appliance automatically starts
operating.
The display shows the effective temperature and the fl ame
indicates the burner ignition.
Warning!!
Water with a temperature higher than 50°C can
cause serious burns.
Always verify water temperature before use.
Note: If the device does not operate, ensure that the gas and/
or cold water isolation valves are open.
Ensure that the appliance is electrically powered.
When closing the tap, the appliance automatically switches off
and the fl ame symbol disappears from the display.

2.4. Water temperature adjustment

Press keys 3 and 4 to set the hot water temperature.
The new value will be indicated on the display
It's possible to increase the temperature up to 48 °C.
To select higher temperatures (50,55,60,65) push button "4"
for few seconds. The display shows 50 °C, by pressing button
"4" again the temperature is increased (in steps of 5 C) up to
a maximum of 65 °C.
WARNING!!!
The factory set temperature is 42°C.
Pay attention when adjusting water temperature higher than
50°C, burns may occur during the draw off phase.

2.5. Bath Function

The Bath function can be used to specify an amount of hot
water to be dispensed at a selected temperature.
While the appliance is in standby, press the Bath button; 10
(x10L) will appear on the display = 100 litres.
Use buttons 3 and 4 to set the amount, from a minimum of 1
(10 litres) to a maximum of 99 (990 litres).
Press the Bath button to memorise this amount.
The selected temperature appears on the display and can be
adjusted, if necessary, using buttons 3 and 4.
Press the Bath button (1) to store the selected temperature.
The symbol fl ashes while the amount and temperature
values are being set.
Function activation is indicated by the
The hot water request activates
litre metering; the count can be
viewed on the display.
The temperature can
be adjusted while it is being
dispensed.
The selected temperature and
the dispensed litre count fl ash
alternately on the display.
The appliance will emit a noise to
indicate that the set litre value has almost been reached:
- 5 litres from the set value by means of an intermittent
sound
- 1 litre from the set value by means of a continuous sound.
When the set amount has been reached, the sound stops and
the appliance reverts to the temperature selected before the
Bath function was activated.
If the request stops before the set amount is reached, the
function is deactivated.
The function can be deactivated by pressing the Bath button
twice.
The function is deactivated within 3 minutes if no requests are
made.
N : T
OTE HE LITRE METERING CANNOT BE ACCURATE TO THE EXACT LITRE
ONLY INTENDED AS AN INDICATIVE MEASUREMENT
2. user instructions
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