R3G560-AP04-01: Massive Airflow, Minimal Energy
The R3G560-AP04-01 is a 560mm industrial centrifugal fan designed for large-scale HVAC applications. Part of the ebm-papst EC range, this unit is engineered to move massive volumes of air with minimal energy consumption. It features a 3-phase EC motor with integrated electronics, eliminating the need for external Variable Frequency Drives (VFDs) and shielded motor cables. The backward-curved aluminum impeller is aerodynamically optimized to reduce turbulence noise, making it suitable for noise-sensitive environments like hospitals and office towers. Its compact external rotor design allows for a significant reduction in AHU length compared to traditional AC motors.
Key Technical Characteristics
- Nominal Size: 560 mm.
- Supply: 3~ 380-480 VAC.
- Motor: M3G150 (3.0 kW class).
- Control: Modbus-RTU / 0-10V Analog.
- Features: Soft start, Active PFC (Power Factor Correction).
- Bearings: Maintenance-free ball bearings (L10 > 40k hours).
Field Maintenance & Diagnostics
Lifecycle State: Active. Diagnosis: If the fan does not run, check the «Enable» bridge logic on the terminal block. The Modbus interface allows for deep diagnostics: you can read the exact DC bus voltage and internal IGBT temperature. A common fault code in retrofits is «Mains Phase Failure» if the supply is unstable. Installation Tips: The R3G560 is heavy. Use proper lifting gear. When mounting, ensure the support structure is rigid to avoid resonance frequencies, although the fan software allows you to «skip» specific RPM bands to avoid structural vibration. Compatibility: Perfectly integrated with Siemens SIMATIC S7-1500 PLCs. The Modbus connection allows for «Sensorless Flow Control» if configured, where the fan calculates its own airflow based on speed and power consumption.
| Feature | Specification |
|---|---|
| Max Speed | 1500 RPM |
| Airflow | 10,000+ m³/h |
| Power Input | ~3.2 kW |
| Current | ~5.0 A |
Efficiency Note
Upgrading a belt-driven 560mm fan to this direct-drive EC unit typically yields an energy saving of 35-50% and removes belt dust maintenance entirely.
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