Water Circuit - Ferroli ATLAS D ECO 34 COND UNIT Instructions D'utilisation, D'installation Et D'entretien

193
210
fig. 48 - Rear view
a4 Flue Ø 100
10 System delivery - Ø 3/4"
11 System return - Ø 3/4"
14 Heating safety valve
32 Heating circulating pump
36 Automatic air vent
56 Expansion tank
193 Trap
246 Pressure transducer
275 Drain - Ø 1/2"
278 Double sensor (Safety + heating)
295 Burner
338 Fumes recuperator

4.2 Water circuit

fig. 49 - Water circuit
46
EN
ATLAS D ECO COND UNIT
4.3 Diagrams
92
Circulating pumps Head/Pressure loss
- Circulating pump with "fixed speed" setting.
4
11
H [m H 2 O]
8
7
3
6
5
2
4
3
10
2
1
1
0
0
A
1 - 2 - 3
85 - Circulating pump with "proportional head" setting.
[m H
7
6
5
4
3
2
1
0
0.0
A
cod. 3541Q464 - Rev. 00 - 12/2021
Min
.
1
I
II
7
III
0.5 1 1.5
Q [m 3 /h]
fig. 50
Boiler pressure losses
Circulating pump speed
Min
.
1
I
4
II
7
III
O]
2
0.5 1.0 1.5
[m
fig. 51
Boiler pressure losses
2 2.5
2.0 2.5 3.0 3.5
/h]
3
A
3