Serviceability features IGC [individual group control] solid-state control for onboard diagnostics with LED error code designation, burner control logic, and energy-saving indoor fan motor delay. All connections and troubleshooting points located in one convenient place, the easy-access master terminal board. Units feature through-the-base utility connections capability. Access panels have easy-grip handles and no-strip screw feature. Quiet and efficient operation is provided by belt-driven evaporator fans. Energy Star-qualified units feature two-stage cooling with independent circuits and controls. Additional features Dedicated vertical or horizontal airflow duct configuration models. High- and low-pressure switches. Scroll compressor has internal line-break overload protection. Factory-installed options include high-static indoor fan, economizers, variable-frequency drive two-speed fan, and hot gas reheat system.

Source: ACHR News (a part of news report)

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