| LEGEND-CONNECTIONS | |||
| A | Termometer | K | Sensor |
| B | Electrical Resistance | L | Solar System Hot Water Inlet |
| C | Termometer | M | Boiler/Heat Pump Cold Water Outlet |
| E | High Temperature Hot Water | N | Filling Up / Drainage |
| F | Boiler/Heat Pump Hot Water Inlet | O | Pressure Safet Valve |
| G | Sensor | P | Hijgenic Cold Water Inlet |
| H | Panel Radiator/Floor Heating Cold Water Outlet | R | Hijgenic Hot Water Outlet |
| I | Solar System Cold Water Outlet | Z | Panel Radiator/Floor Heating Hot Water Inlet |