Loss Of Head; Technical Data Table - Ferroli PEGASUS D Instrucciones De Uso

5.2 Loss of head

Pressure loss water side
60
50
40
30
20
10
0
2000 2500 3000
fig. 24 - Pressure loss
to mbar
B Flowrate l/h
34
EN
3500 4000 4500 5000
B
cod. 3540U171 - 06/2012 (Rev. 00)

5.3 Technical data table

Data
Models
Number of elements
Max. heating capacity
Min. heating capacity
Max. heat output in heating
Min. heat output in heating
Efficiency Pmax (80-60°C)
Efficiency 30%
Efficiency class Directive 92/42 EC
NOx emission class
Burner nozzles G20
Gas supply pressure G20
Max. pressure downstream of gas valve G20
5500
Min. pressure downstream of gas valve G20
Max. gas delivery G20
Min. gas delivery G20
Burner nozzles G31
Gas supply pressure G31
Max. gas pressure at burner G31
Min. gas pressure at burner G31
Max. gas delivery G31
Min. gas delivery G31
Max. working pressure in heating
Min. working pressure in heating
Max. heating temperature
Heating water content
Protection rating
Power supply voltage
Electrical power input
Empty weight
PEGASUS D
Unit Value Value Value
23 32 45
kW 3 4 5
kW 25.3 34.9 49.5
kW 10.1 14.9 19.7
kW 23.0 32.0 45.0
kW 8.8 13.0 17.2
% 90.9 91.7 90.9
% 91.3 91.5 91.6
2 2 2
no. x Ø 2x2.80 3x2.80 4x2.80
mbar 20 20 20
mbar 15 13 15
mbar 2.5 2.5 2.5
2.68 3.69 5.24
3
m /h
1.07 1.58 2.08
3
m /h
no. x Ø 2x1.75 3x1.75 4x1.75
mbar 37 37 37
mbar 35 31 35
mbar 6 6 6
kg/h 1.98 2.73 3.88
kg/h 0.79 1.17 1.54
bar 6 6 6
bar 0.8 0.8 0.8
°C 95 95 95
L 9.1 11.6 14.1
IP X0D X0D X0D
V/Hz 230/50 230/50 230/50
W 15 15 15
kg 106 136 164
(Q)
(Q)
(P)
(P)
(PMS)
(tmax)