R3G280-AU06-B1: The RadiCal Efficiency Standard
The R3G280-AU06-B1 is a benchmark product in the world of energy-efficient ventilation. It features a 280mm RadiCal impeller, a hybrid design of high-strength composite material that optimizes airflow aerodynamics to reduce noise and turbulence significantly. This centrifugal fan is driven by a state-of-the-art EC (Electronically Commutated) motor, which runs on single-phase 200-240 VAC mains but operates with the efficiency and controllability of a DC motor. It is widely used in Fan Coil Units (FCUs), precision air conditioning (CRAC), and clean room filtration units.
Key Technical Characteristics
- Diameter: 280 mm.
- Voltage: 200-240 VAC (50/60 Hz).
- Motor: M3G084-DF (EC GreenTech).
- Control: 0-10V / PWM / Modbus (Check specific sub-version).
- Material: Impeller PA plastic, Rotor Aluminum.
- Efficiency: Surpasses ErP 2015 requirements.
Maintenance & BMS Connection
Lifecycle State: Active (Premium). Diagnosis: The integrated electronics (GreenTech) provide LED status codes on some driver boards. If the fan is silent, check the «Enable» bridge and the 0-10V analog input. A reading of <1V typically shuts the fan off. Installation Tips: EC fans have high inrush current protection, but ensure the circuit breaker is Type B or C to handle the initial capacitor charge. Compatibility: Seamlessly integrates with Siemens Desigo and Trend BMS systems. The ability to read RPM feedback allows for «Constant Flow» programming, where the fan speeds up automatically as filters get dirty to maintain air volume.
| Feature | Specification |
|---|---|
| Max Speed | 2400 RPM |
| Airflow | 2000 – 2200 m³/h |
| Power Input | 160 W (at full load) |
| IP Rating | IP54 (Motor/Electronics) |
Energy Saving Note
Replacing an old AC fan with the R3G280 can yield energy savings of up to 40%. It runs cooler, extending the life of bearings and surrounding electronics.
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