D4E160-AA01-01 ebm-papst: Large Volume, Low Decibels
The D4E160-AA01-01 takes the low-noise philosophy of the D4E series and applies it to a larger 160mm impeller format. This double-inlet centrifugal fan is engineered to move substantial volumes of air without the roar associated with high-speed blowers. Powered by a robust 4-pole AC external rotor motor, it spins at around 1400 RPM, making it a favorite for central air handling units (AHUs) in libraries, theaters, and hospitals. The scroll housing is optimized to convert the low-velocity dynamic pressure into useful static pressure, ensuring efficient airflow through filters and heat exchangers.
Key Technical Characteristics
- Size: 160 mm.
- Design: Dual Inlet (Double width).
- Voltage: 230 VAC (Single-phase).
- Motor: M4E068-DF (4-pole).
- Power: Approx. 140 – 180 W.
- Bearing: Maintenance-free ball bearings.
- Mounting: Flange or Feet (vibration dampened).
Engineer’s Maintenance Guide
Lifecycle State: Active. Diagnosis: If airflow drops but the motor sounds normal, check the impeller blades. The forward-curved «squirrel cage» design is a trap for dust and lint. A clogged impeller loses its aerodynamic grip on the air. Installation Advice: The D4E160 is heavier than the D2E equivalent. Ensure the mounting deck is reinforced. If using flexible ducting, ensure the connection at the outlet flange is taut to prevent turbulence noise. Compatibility: This fan integrates seamlessly into TIA Portal automated environments. Using a current sensing relay allows the PLC to detect fan failure. It is also compatible with 5-step transformer controllers for simple day/night speed setback.
| Feature | Specification |
|---|---|
| Speed | 1400 RPM |
| Airflow | 1200 – 1500 m³/h |
| Current | 0.65 – 0.75 A |
| Capacitor | Typical 5 µF / 400 V |
Maintenance Tip
Check the rubber anti-vibration mounts annually. Over time, the weight of the D4E160 can compress them, potentially allowing metal-to-metal contact and noise transfer.
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