Ariston MGz I Installation Et Mode D'emploi page 18

GB
installation
For the sizing of the tubes and of the heating bodies
used in the heating system, the residual head value
should be assessed based on the required fl ow rate, in
accordance with the values shown in the graph below.
800,0
700,0
600,0
500,0
400,0
300,0
200,0
100,0
0,0
0 100
Hydraulics diagram
1
2
3
4
5
18
200 300 400 500 600 700 800
12
6
900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100
11
10
9
8
7
Flow rate [l/h]
Legend:
1. manual air relief valve
2. hydraulic separator
3. zone 1 circulation pump
4. zone 2 circulation pump
5. zone 1 fl ow valve
6. zone 2 fl ow valve
7. zone 1 return valve
8. zone 2 return valve
9. zone 1 non-return valve
10. zone 2 non-return valve
11. boiler return valve
12. boiler fl ow valve