2.2.1. Low-noise design improves in surrounding areas
1. The noise-suppressing winglet fan is a result of new research into vane design theory. The
unique curved shape suppresses the generation of vortexes, thus reduces air flow noise.
2. The adoption of double-orifice rings reduces air passage resistance.
3. Strengthening of the noise insulation materials in the compressor and the sealing-in of
mechanical noise allows vibration noise to be greatly enclosed and suppressed.
4. The heat exchanger has an L-shaped design to allow air to flow more smoothly.
5. Noise is automatically reduced further during night time operation with lower outdoor air
temperatures.
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