Circulation unit with mixing valve together with controller for district heating systems.
DISTRICT HEATING 4
1
The thermostatic valve offer a high flow capacity and good functionality and at the same time an in-line scald safe* function for general domestic hot water applications. *) Scald safe means that in case of cold water failure, the hot water shuts off automatically.2
The thermostatic valve offer a high flow capacity and good functionality and at the same time an in-line scald safe* function for general domestic hot water applications. VTA520 is developed for larger systems there higher Kvs value is required. *) Scald safe means that in case of cold water failure, the hot water shuts off automatically.
3
The GRC220 unit is controlling the heating circuit according to the heating curve and controlling the pump according to ∆T with pump on/off function.