11
3. installation
3.3. Technical Specifi cation
Model name : NEXT SFT 14 FF
CE Certifi cation (pin) 0051CM4057
Type
C13
Gas category II2H3+
Maximum nominal heat input kW 28.0
Minimum nominal heat input kW 6.0
Maximum nominal heat output kW 25.0
Minimum nominal heat output kW 5.4
Domestic hot water temperature maximum °C 65
Domestic hot water temperature minimum °C 35
D.H.W. Nominal fl ow rate ΔT = 35ºC l/min 10.2
D.H.W. minium fl ow rate l/min >2
Water pressure maximum bar 6
Water pressure minimum bar 0.1
Flue fumes temperature at
Maximum nominal heat input
°C 155.0
Flue fumes temperature at Minimum nominal heat
input
°C 75.4
Ø Flue outlet & Air intake 60/100
Dimensions
Height (Casing)* mm 563
Width (Casing)* mm 350
Depth (Casing)* mm 130
Power supply voltage/frequency V/Hz 230 / 50
Power consumption W 42
Internal fuse 2A
Electric system grades of protection IP X4D
Minimum operating room temperature °C +5
Dry weight Kg 12.8
* For overall dimensions see 3.6