OPTIMAX HE 31 S
33
Cod. 3540F441 - 03/2007 (Rev. 01)
4.4 Technical data table
Heating
Heating temperature adjustment range
°C
Maximum working temperature in heating
°C
Heating circuit PMS safety valve ( preset )
bar
Minimum working pressure in heating
bar
Expansion vessel capacity
litres
Expansion vessel pre-filling pressure
bar
Total boiler water content
litres
Dimensions, weights connections
Height
mm
Width
mm
Depth
mm
Weight empty
kg
Gas system connection (with isolation valve fitted)
mm
Heating system connections (with isolation valve fitted)
mm
Maximum length of separate flues D=80*
m
eq
(*Measurement given in equivalent linear metres cfr FERROLI calculation system)
Electrical power supply
Max electrical power absorbed
W
Electric power drawn by the circulator (Speed I-II-III)
W
20 - 90
95
3
0.8
9
1
2
700
450
330
43
Ø22
Ø22
95
130
60-65-75
Output max/min
CH Heat input
Natural Gas flow rate (G20)
Natural Gas supply pressure (G20)
LPG flow rate (G31)
LPG supply pressure (G31)
Pmax
Pmin
kW
32,5
6,9
m
3
/h
3,26
0,69
mbar
20
20
kg/h
2,41
0,51
mbar
37
37
Useful heat output 80° C - 60° C
Useful heat output 50° C - 30° C
Combustion
CO2 (G20 - Natural Gas)
%
CO2 (G31 - Propane)
%
Flue gas temperature 80°C - 60°C
°C
Flue gas temperature 50°C - 30°C
°C
Flue gas flow rate
kg/h
Pmax
9,0
10
65
46
Pmin
8,7
9,5
60
31
kW
30,8
6,5
kW
30,2
6,3
NOx emission class
5
Energy marking (92/42 EEC directive)
Table 10
Gas nozzle (G20 - Natural Gas)
6,5
Gas nozzle (G31 - Propane)
5,1
Electrical protection rating
IP
Power voltage/frequency
V/Hz
X5D
230/50
51,8
11,3
Seasonal Efficiency (SEDBUK)
55
Summary of Contents for OPTIMAX HE 31 S
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