Ferroli ATLAS D 50 UNIT Instructions For Use, Installation And Maintenance page 48

5.2 Loss of head
Pressure loss water side
60
50
40
30
20
10
0
2000 2500 3000
fig. 35 - Pressure loss
A mbar
B Flowrate l/h
48
EN
3500 4000 4500 5000
cod. 3541I330 - Rev. 00 - 04/2016
5.3 Technical data table
Data
Number of elements
Max. heating capacity
Min. heating capacity
Max. heat output in heating
Min. heat output in heating
Pmax efficiency (80-60°C)
Efficiency 30%
Efficiency class Directive 92/42 EEC
Max. working pressure in heating
Min. working pressure in heating
Max. heating temperature
Heating water content
Protection rating
5500
Power supply voltage
Electrical power input
Empty weight
Combustion chamber length
Combustion chamber diameter
Pressure loss on fume side
ATLAS D 50 UNIT
Unit ATLAS D 50 UNIT
no. 5
kW Hs = 56.6 / Hi = 53.2
kW Hs = 33.4 / Hi = 31.5
kW 50
kW 30
% Hs = 88.3 / Hi = 94.0
% Hs = 91.4 / Hi = 97.3
bar 6
bar 0.8
°C 110
litres 28
IP X0D
V/Hz 230/50
W 245
kg 232
mm 550
mm 300
mbar 0.38
(Q)
(Q)
(P)
(P)
(PMS)
(tmax)