ATLAS D ECO UNIT
38
EN
cod. 3541Q431 - Rev. 00 - 09/2019
5. TECHNICAL DATA AND CHARACTERISTICS
5.1 Main components, dimensions and connections
fig. 37- Main components, dimensions and connections
fig. 38
fig. 39
10
System delivery
11
System return
14
Heating safety valve
32
Heating circulating pump
36
Automatic air vent
56
Expansion tank
246
Pressure transducer
275
Drain
278
Double sensor ( heating)
295
Burner
Table. 5
5.2 Diagrams
Circulating pumps Head/Pressure loss
- Circulating pump head with setting at "fixed speed”.
fig. 40
A
Boiler pressure losses
1 - 2 - 3
Circulating pump speed
- Circulating pump head with setting at "proportional head”.
fig. 41
A
Boiler pressure losses
295
36
32
246
500
850
278
246
A
a4
56
275
639
97
11
493
717
10
14
105
a4
50
105
250
250
A
B
a4
ATLAS D ECO 30 UNIT
630
590
Ø 120 ÷ 130
ATLAS D ECO 42 UNIT
730
690
Ø 120 ÷ 130
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
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
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