ATLAS D 37 K 130 UNIT
48
EN
5.2 Hydraulic circuit
fig. 40 - Hydraulic circuit
5.3 Diagrams
Circulating pumps Head/Pressure loss
- Circulating pump head with setting at "fixed speed”.
fig. 41
A
Boiler pressure losses
1 - 2 - 3
Circulating pump speed
- Circulating pump head with setting at "proportional head”.
fig. 42
A
Boiler pressure losses
5.4 Technical data table
209
192
210
233
275
40
179
10
130
278
11
32
246
197
56
14
36
74
Min
.
4
1
7
III
II
I
0
1
2
3
4
5
6
7
0
0.5
1
1.5
2
Q
[m3/h]
2.5
3
8
H
[m H2O]
3
2
1
A
Data
Unit
Value
Model
ATLAS D 37 K 130 UNIT
Number of elements
no.
3
Max. heating capacity (Hs)
kW
41.9
(Q)
Max. heating capacity (Hi)
kW
39.4
Min. heating capacity (Hs)
kW
22.3
(Q)
Min. heating capacity (Hi)
kW
2
.
Max. heat output in heating (80-60°C)
kW
37.0
(P)
Min. heat output in heating (80-60°C)
kW
20.0
(P)
Max. heating capacity in DHW (Hs)
kW
(Q)
Max. heating capacity in DHW (Hi)
kW
Min. heating capacity in DHW (Hs)
kW
(Q)
Min. heating capacity in DHW (Hi)
kW
Max. heat output in DHW (80-60°C)
kW
37.0
(P)
Min. heat output in DHW (80-60°C)
kW
20.0
(P)
Pmax efficiency (80-60°C) (Hs)
%
88.3
Pmax efficiency (80-60°C) (Hi)
%
94.0
Pmin efficiency (80-60°C) (Hs)
%
89.7
Pmin efficiency (80-60°C) (Hi)
%
95.5
Efficiency 30% (Hs)
%
91.5
Efficiency 30% (Hi)
%
97.4
Max. working pressure in heating
bar
6
(PMS)
Min. working pressure in heating
bar
0.8
Max. heating temperature
°C
110
(tmax)
Heating water content
litres
26
Heating expansion tank capacity
litres
10
Heating expansion tank prefilling pressure
bar
1
Max. working pressure in DHW
bar
9
(PMW)
Min. working pressure in DHW
bar
0.1
Hot water tank content
litres
117
DHW expansion tank capacity
litres
3
DHW flow rate
'
t 30°C
l/10min
250
DHW flow rate
'
t 30°C
l/h
850
Protection rating
IP
X0D
Power supply voltage
V/Hz
230/50
Electrical power input in heating
W
195
Electrical power input in DHW
W
195
Empty weight
kg
265
Combustion chamber length
mm
450
Combustion chamber diameter
mm
300
Pressure loss on fume side
mbar
0.35
Min
.
4
1
7
III
II
I
0
1
2
3
4
5
6
7
H
[m H
2
O]
Q
[m
3
/h]
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0.0
A
cod. 3541I110 - Rev. 02 - 10/2016
