Ariston NEXT EVO X SFT Series User Manual

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COMMISSIONING
Gas setting table
Gas conversion
The appliance may be adjusted so that it may
be used with Liquid Gas (G30-G31) instead
of methane gas (G20) or vice-versa. The
adjustment must be performed by a Qualied
Technician using the conversion Kit.
NEXT EVO X SFT 11 NEXT EVO X SFT 16
G20 G30 G31 G20 G30 G31
Lower Wobbe index (15°C; 1013 mbares) MJ/m
3
45.67 80.58 70.69 45.67 80.58 70.69
Gas inlet pressure mbar 20 28-30 37 20 28-30 37
Gas Burner Pressure MAX mbar 12.10 12.60 15.90 9.5 10.8 12.50
Gas Burner Pressure MIN mbar 3.0 3.0 3.0 2.5 2.5 2.5
Slow ignition pressure mbar 7.3 7.4 10.4 4.8 4.7 6.5
Parameter L - appliance capacity code
Parameter q - gas type code
Parameter F - appliance type code
11
12
0
11
22
0
11
19
0
16
12
2
16
22
2
16
19
2
Main Burner jets 6X2 15x2
Ø burner jets mm 0.86 - 1.52 0.74 - 1.04 0.74 - 1.28 0.62 - 0.88
Max/min consumption
(15°C, 1013 mbar)
(N.G.= m
3
/h) (LPG kg/h))
MAX
2.33 1.85 1.81 3.17 2.52 2.47
NEXT EVO X SFT 11 NEXT EVO X SFT 16
G20 G30 G31 G20 G30 G31
Parameter L - appliance capacity code
Parameter q - gas type code
Parameter F - appliance type code
11
12
0
11
22
0
11
19
0
16
12
2
16
22
2
16
19
2
To modify the parameter proceed as follow:
1. Switch Off the appliance, press the on/OFF button
2. Disconnect and reconnect the power supply.
3. Press
and simultaneously for 3 seconds to
access the parameters.
4. Use the ON / OFF key to access the parameters,
modify the parameters and save the changes made.
The parameters must be set as shown in the following
table:

Ariston NEXT EVO X SFT Series Specifications

General

Ignition	Electronic Ignition
Installation	Wall-mounted
Fuel Type	Natural Gas or LPG
Capacity	No storage capacity, heats water on demand
Energy Efficiency	High Efficiency
Display	LCD
Safety Features	Flame failure device, overheating protection, antifreeze function