Ferroli ATLAS D 25 K 100 UNIT Instrucciones De Uso, Instalación Y Mantenimiento página 48
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5.2 Hydraulic circuit
10
11
209
192
210
fig. 42 - Hydraulic circuit
5.3 Diagrams
Circulating pumps Head/Pressure loss
- Circulating pump head with setting at "fixed speed".
4
H [m H 2 O]
8
7
3
6
5
2
4
3
2
1
1
0
0
0.5
1
A
Boiler pressure losses
1 - 2 - 3
Circulating pump speed
- Circulating pump head with setting at "proportional head".
EN
14
197
56
36
246
278
40
74
Min
.
1
I
II
7
III
1.5
2
2.5
Q [m 3 /h]
fig. 43
ATLAS D 25 K 100 UNIT
H [m H
2
32
7
130
6
179
5
4
3
2
1
0
0.0
A
Boiler pressure losses
5.4 Technical data table
275
Data
233
Model
Number of elements
Max. heating capacity (Hs)
Max. heating capacity (Hi)
Min. heating capacity (Hs)
Min. heating capacity (Hi)
Max. heat output in heating (80-60°C)
Min. heat output in heating (80-60°C)
Max. heating capacity in DHW (Hs)
Max. heating capacity in DHW (Hi)
Min. heating capacity in DHW (Hs)
Min. heating capacity in DHW (Hi)
Max. heat output in DHW (80-60°C)
Min. heat output in DHW (80-60°C)
Pmax efficiency (80-60°C) (Hs)
Pmax efficiency (80-60°C) (Hi)
Pmin efficiency (80-60°C) (Hs)
Pmin efficiency (80-60°C) (Hi)
Efficiency 30% (Hs)
Efficiency 30% (Hi)
Max. working pressure in heating
Min. working pressure in heating
Max. heating temperature
Heating water content
A
Heating expansion tank capacity
Heating expansion tank prefilling pressure
Max. working pressure in DHW
Min. working pressure in DHW
Hot water tank content
DHW expansion tank capacity
3
DHW flow rate Dt 30°C
DHW flow rate Dt 30°C
Protection rating
Power supply voltage
Electrical power input in heating
Electrical power input in DHW
Empty weight
Combustion chamber length
Combustion chamber diameter
Pressure loss on fume side
cod. 3541I100 - Rev. 03 - 04/2018
Min
.
1
I
4
II
7
III
O]
A
0.5
1.0
1.5
2.0
Q [m
/h]
3
fig. 44
2.5
3.0
3.5
Unit
Value
ATLAS D 25
K 100 UNIT
no.
3
kW
28.3
(Q)
kW
26.6
kW
22.4
(Q)
kW
21.1
kW
25.0
(P)
kW
20.0
(P)
kW
(Q)
kW
kW
(Q)
kW
kW
25.0
(P)
kW
20.0
(P)
%
88.2
%
93.9
%
89.1
%
94.9
%
92.2
%
98.2
bar
6
(PMS)
bar
0.8
°C
110
(tmax)
litres
21
litres
bar
1
bar
9
(PMW)
bar
0.1
litres
90
litres
4
l/10min
195
l/h
750
IP
X0D
V/Hz
230/50
W
195
W
195
kg
225
mm
350
mm
300
mbar
0.11
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