4.5 Technical data: Smart Fire SF31 and SF41 boiler
Boiler Model
Parameter
Unit
SF31
SF41
Class
Class 5 (maximum)
Efficiency with nominal output
%
92.5%
91.0%
Nominal thermal power
kW
31
41
Thermal power range
kW
9.3 ÷ 31.0
12.3 ÷ 41.0
Burner automatic, mechanical cleaning
Yes
Automatic burner
Yes
Exchanger automatic cleaning
Option
Hydraulic kit
Option
Temperature thermostat
Yes
Exhaust fan
Yes
Stainless steel burner
Yes
Rotary valve that protects the fuel in the pellet
tank against fire
Yes
Burner and cast iron valve that protects
against fired fuel
Yes
Fuel consumption at nominal output
kg/h
ca.6.9
ca.9.1
Combustion time during continuous operation
at nominal output – dispenser model
h
ca. 21
dispenser 240L
ca.16
dispenser 240L
Width
Dispenser model -width
mm
150L - 1015
240L - 1225
400L - 1455
150L - 1015
240L - 1225
400L - 1455
Height
Dispenser model - height
mm
150L - 1485
240L - 1485
400L - 1485
150L - 1485
240L - 1485
400L - 1485
Depth
Dispenser model - depth
mm
150L - 1030
240L - 1030
400L - 1030
150L - 1030
240L - 1030
400L - 1030
Water volume
dm3
102
102
Flue outlet int/ext. diameter
mm
160/150
Supply and return connection
cal
1
Boiler water flow resistance ΔT=10K
mbar
48
74
Boiler water flow resistance ΔT=20K
mbar
12
18
Maximum permitted water operating pressure
* - depending on version
bar
1.5 / 3.0*
Maximum permitted water test pressure
* - depending on version
bar
2.5 / 5.0*
Table No. 8. Dimensions and technical data of Smart Fire SF31 and SF45 boiler.
SMART FIRE BOILER User Manual
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