Belimo
The Belimo Energy Valve consists of a characterized control valve, an actuator and a thermo energy meter with a logic and a sensor module. The logic module provides the power supply, communication interface and NFC power meter connection. All relevant data is measured and recorded in the sensor module.
This modular design of the energy meter means that the logic module can remain in the system if the sensor module is replaced. The HVAC performance device consists of four components: characterized control valve (CCV), measuring tube with volumetric flow sensor, temperature sensors and the actuator itself.
The maximum adjusted flow rate (V'max) is assigned to the maximum control signal DDC (typically 10 V / 100%). Alternatively, the DDC control signal can be assigned to the opening angle of the valve or to the power required in the heat exchanger (see power control).
On the other hand, the device can be controlled through communicative or analog signals. The fluid is detected by the sensor in the measuring pipe and applied as the flow value. The actuator corrects the deviation by changing the position of the valve. The angle of rotation varies according to the differential pressure through the control element.
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