The Observer communicating system provides text-based diagnostics. It includes innovative control-box design and high- and low-pressure switches. Three-piece grille panels are easy to remove separately for viewing or cleaning. Easy-access service valves are on all models. There are only two screws to access service panel. Factory is charged with R-410A. Units are equipped with scroll compressors and isolation compressor grommets to minimize sound at maximum performance. Compressor sound blanket is standardized.

Source: ACHR News (a part of news report)

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