Checking The Gas Settings; Supply Presure Check; Checking Slow Ignition Power; Gas Settins Table - Ariston NEXT EVO X SFT Series User Manual

COMMISSIONING

Checking the gas settings

Supply pressure check
1. Close the gas valve.
2. Loosen screw "b" and insert the pressure gauge
connection pipe into the pipe tap.
3. Open the gas valve.
4. Switch the appliance ON by opening a DHW tap.
The supply pressure should correspond to the value
established in relation to the type of gas for which the
appliance is designed.
WARNING!!
Should the power
correspond to what is indicated on the
Gas Summary Table, DO NOT ACTIVATE
THE DEVICE.
5. Switch the appliance OFF by closing the DHW tap.
6. Close the gas valve.
7. When the check is over, tighten screw "b" and make
sure it is securely in place.
8. Open the gas valve and check the tightness of the
screw.
Checking the maximum and minimum pressure
(see the Gas setting table)
1. Close the gas valve.
2. Loosen screw "a" and insert the manometer
connection pipe into the pipe tap.
3. Open the gas valve.
4. Press the On/Off button the display will illuminate.
5. Open one hot water tap.
Simultaneously press the
5 seconds. The display shows
6. Press the On/Off,
power. The display shows a number from "00" to "99".
7. On the manometer verify the pressure and if
necessary press the the
adjust maximum burner pressure as indicated on the
gas settings table.
20 /
a
b
pressure not
(2) buttons for
and
26
.
appliance forced to maximum
and (2) buttons to
8. Press the On/Off,
power. The display shows a number from "00" to "99".
9. On the manometer verify the pressure and if
necessary press the the
adjust minimum burner pressure as indicated on the
gas settings table.
10. Press the On/Off button to confirm.
11. Close Hot water tap. Switch off the appliance through
ON/OFF button.
12. Tighten the connector screw tightly and check for
leaks using a suitable device

Checking slow ignition power

(see the Gas setting table)
1. Close the gas valve.
2. Loosen screw "a" and insert the manometer
connection pipe into the pipe tap.
3. Open the gas valve.
4. Press the On/Off button the display will illuminate.
5. Disconnect and reconnect the power supply.
6. Press simultaneously press the
for 3 seconds. The display shows
forced to ignition power. Open one hot water tap.
7. On the manometer verify the pressure and if
necessary press the
the slow ignition pressure as indicated on the gas
settings table.
8. Press the ON/FF button to save the change.
9. Close Hot water tap. Switch off the appliance through
ON/OFF button.
10. Close Hot water tap. Switch off the appliance through
ON/OFF button.
11. Tighten the connector screw tightly and check for
leaks using a suitable device
appliance forced to minimum
and (2) buttons to
or (2) buttons
L6
, ppliance
or (2) buttons to adjust