Technical Data Table - Ferroli Optimax 25 C Instructions For Installation, Use And Maintenance Manual

4.4 Technical data table

Table 10
Powers
Hi Heating power
Hi DHW power
Useful Heating Power 80° C - 60° C
Useful Heating Power 50° C - 30° C
Useful DHW Power
Natural Gas delivery (G20) Heating
Natural Gas delivery (G20) DHW
Natural Gas supply pressure (G20)
LPG flow rate (G31) Heating
LPG flow rate (G31) DHW
LPG supply pressure (G31)
Combustion
CO2 (G20 - Natural Gas)
Gas nozzle (G20 - Natural Gas)
CO2 (G31 - Propane)
Gas nozzle (G31 - Propane)
Flue temperature 80° C-60° C
Flue temperature 50° C-30° C
Flue flow rate
Quantity of condensate
pH of condensation water
Energy marking (92/42 EEC directive)
NOx emission class
Heating
Heating temperature adjustment range
Maximum working temperature in heating
Maximum working pressure in heating
Minimum working pressure in heating
Expansion vessel capacity
Expansion vessel pre-filling pressure
Total boiler water content
Hot water
Hot tap water supply ∆t 25° C
Hot tap water supply ∆t 30° C
Hot tap water supply ∆t 35° C
Tap water temperature adjustment range
Maximum working pressure in hot water production
Minimum working pressure in hot water production
Dimensions, weights connections
Height
Width
Depth
Weight empty
Gas system connection (with isolation valve fitted)
Heating system connections (with isolation valve fitted)
Hot water circuit connections (with isolation valve fitted)
Maximum length of separate flues D=80*
(*Measurement given in equivalent linear metres – cfr FERROLI calculation system)
Electrical power supply
Max electrical power absorbed
Electric power drawn by the circulator (Speed I-II-III)
32
Optimax 25 C
Pmax
kW 25,2
kW 30,0
kW 24,7
kW 26,4
kW 29,4
3
m /h 2,67
3
m /h 3,17
mbar 20
kg/h 1,96
kg/h
2,35
mbar 37
Pmax
% 9,0
5,6
% 10
4,1
65
°C
46
°C
kg/h 43
kg/h 3,3
pH 4,1
5
20 - 90
°C
90
°C
bar 3
bar 0.8
litres 8
bar 1
litres 1,7
l/min 16,9
l/min 14,0
l/min 12,0
40 - 65
°C
bar 10
bar 0.25
mm 720
mm 400
mm 358
kg 46
mm Ø22
mm Ø22
mm Ø15
m 75
eq
W 140
W 40-65-90
Pmin
7,5
7,5
7,3
8,0
7,3
0,79
0,79
20
0,58
0,58
37
Pmin
8,7
9,5
60
31
13
1,4