User`s manual

7
3.2 Technical Specifications
Standard, Category and Type
Model
SX 14FF
Inspection certificate type number 0099BO814
Category
II
2H3P
Destination country GB
T
ype
C
12
, C
32
, C
42
, C
52
, C
82
Degree of protection IP44
Symbol Units
Model
SX 14 FF
Power rating and heat consumption
Nominal power output Pn
KW
24
Minimum power output Pmin. 8.9
Power modulation range Pmin - Pn 8.9 - 24
Nominal heat consumption (nett) Qn 27.3
Minimum heat consumption (nett) Qmin 12
Gas specification
Connection
pressure
2 H Natural G20 mbar 20
Gas
consumption
2 H / 2E+
Natural G20 Hi=9.45 kWh/m
3
m
3
/h
2.88
Burner pressure at nomi-
nal power
2 H / 2E+ Natural G20 mbar 11.5
Hot-water specification
Flow rate of the water
∆
50°
C
l/min 2.3 - 7
∆ 25°C l/min 3.7 - 14
Max. w
or
king pressure
bar 10
Min. working pressure
Max. Temp. selector bar 0.5
Min. Temp. selector bar 0.5
Combustion products
T
emper
ature
°C
196 196
Electrical details
Electrical power supply V/Hz 220-230V - 50Hz
Maxim
um intake power
W 55
Dimensions of connections and diameter
s of the tubes
Connections/Ø inside (mm)
Gas intake 1/2”/Ø 15mm
Cold Water Inlet 1/2”/Ø 15mm
Hot Water Outlet 1/2”/Ø 15mm
Flue outlet (mm) Ø 60 - 100 mm
Flue Length Ø 60/100 Hor
izontal
Maxim
um 3 metres
Minim
um 0.37 metres
Ø 60/100
V
er
tical
Maxim
um 4 metres
Minim
um 1.5 metres
Ø 80/125 Hor
iz
ontal
Maxim
um 6 metres
Minim
um 0.37 metres
Ø 80/125 Horizontal Maximum 6 metres Minimum 1.5 metres