The unit features an interface control board with two-digit LED to provide system operation, status, and diagnostic troubleshooting information. It utilizes a patented capacity control algorithm to select the optimum system capacity level. Internal control monitor system is operative to protect the inverter drive and compressor. Five-minute restart time delay when the unit shuts down further protects the system. Noise-reduction features compressor sound blanket and discharge muffler engineered to significantly reduce unwanted compressor noise. Variable-speed condenser motor and a heavy duty brushless dc motor are applied for long lasting reliability. Swept-wing fan blade engineered provides quiet operation.

Source: ACHR News (a part of news report)

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