Pag. 33 di 48
4.6 HYDRAULIC DIAGRAM
LEGENDA
1. Safety thermostat 105 °C 16. DHW pump
2. Central Heating retuirn sensor 17. No return valve
3. Central Heating delivery sensor 18. DHW flow sensor
4. Auxiliary storage 19. Idrometer
5. Main storage 20. Minimum pressure switch
6. Storage sensor 21. 3 way valve
7. Storage drainage valves 22. CH pump
8. By-pass 23. CH expansion vessel
9. No return valve
10. DHW expansion vessel
11. DHW flow meter
A Central Heating flow
12. DHW 7 bar security valve
B Domestic Hot Water flow
13. CH filter
C Gas Inlet
14. Filling loop
D Domestic Hot Water inlet
15. Boiler drainage valve
E Central Heating flow
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