M03S40F6-11
pag 6
WATER CIRCUIT
The diagram on the side is indicative and includes optional components; check
with the installer about the system configuration used.
1. the electric heaters supplement the heating capacity supplied by the unit;
2. the 3-way valve diverts the water either towards the sanitary hot water
storage or towards the heating equipment;
3. sanitary hot water storage;
4. fan coil heating;
5. if the room needs to be heated, the 3-way valve diverts the water towards the
underfloor piping (all or in part); if instead the underfloor piping is satisfied, it
returns the water directly to the unit;
6. the pump keeps the water in circulation in the underfloor piping
7. underfloor heating
8. the pump returns the water to the unit
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