Ferroli ATLAS D ECO UNIT Instructions D'utilisation, D'installation Et D'entretien page 44

105
50
250
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 (Safety + heating)
295 Burner
Table. 5
ATLAS D ECO 30 UNIT
ATLAS D ECO 42 UNIT
44
EN
a4
105
250
fig. 42
A B a4
630 590 Ø 120 ÷ 130
730 690 Ø 120 ÷ 130
cod. 3541Q433 - Rev. 00 - 10/2021
ATLAS D ECO UNIT
5.2 Diagrams
Circulating pumps Head/Pressure loss
- Circulating pump head with setting at "fixed speed".
Min
.
1
I
4
II
7
III
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".
Min
.
1
I
4
II
7
III
[m H O]
2
7
6
5
4
3
2
1
0
0.0 0.5 1.0
A Boiler pressure losses
1.5 2 2.5
Q [m 3 /h]
fig. 43
1.5 2.0 2.5 3.0 3.5
[m /h]
3
fig. 44
A
3