Ferroli ATLAS D ECO SI UNIT Serie Instructions D'utilisation, D'installation Et D'entretien page 45

ATLAS D ECO SI UNIT
(ATLAS D ECO 30 SI UNIT)
(ATLAS D ECO 42 SI UNIT)
56
10
8
10
9
255
fig. 40- Side view
Key to figures
10 = System delivery
11 = System return
14 = Safety valve
32 = Heating circulating pump
36 = automatic air vent
38 = Flow switch
56 = Expansion tank
74 = System filling cock
95 = Diverter valve
194 = DHW exchanger
209 = DHW outlet
210 = Cold water inlet
246 = Pressure transducer
255 = System water drain
278 = Double sensor (Safety + heating)
295 = Burner
5.2 Pressure loss
Circulating pumps Head/Pressure loss
A = Boiler pressure loss
1 -2 - 3 = Circulating pump speed
H [m H O]
2
8
7
3
6
5
2
4
3
1
2
1
0
0 0.5 1
fig. 41 - Pressure losses
A
1.5 2 2.5
3
Q [m /h]
cod. 3541Q544 - Rev. 02 - 05/2024
246
95
194
38
74
32
3
45
EN