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AHI Carrier global logo — commercial air conditioning, chillers, and HVAC control systems

50UA

50UA
Carrier

50UA

High‑capacity packaged rooftop unit delivering maximum efficiency, advanced control, and proven reliability for commercial and industrial applications
The Carrier 50UA Packaged Rooftop Unit is a flexible, self‑contained air‑conditioning solution designed for outdoor installation. With high‑efficiency operation, advanced refrigerant and airflow control, and robust mechanical design, the 50UA provides dependable cooling and heating performance for demanding applications.

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Features

  • Capacity & Efficiency

    Heating and cooling capacity: 120 – 200 kW Designed for maximum efficiency across the operating range Eurovent‑certified performance at full and partial load High seasonal efficiency for reduced operating costs

  • Flexible Heating Solutions

    Multiple heating configurations available: Electric heaters Hot‑water heating coils Condensing natural gas burners Adaptable to diverse project requirements and energy strategies

  • Advanced Refrigerant & Airflow Control

    Electronic Expansion Valve (EXV) for precise refrigerant control Improved stability, efficiency, and compressor protection High‑pressure and VAV ventilator / aspirator fan solutions

  • Energy Optimization & Free Cooling

    Rotary heat recovery options: Condensation Sorption Free cooling via enthalpic economizer Advanced Carrier control algorithms optimize: Airside performance Refrigerant‑side operation

  • Comfort & Part‑Load Performance

    Optimized for part‑load operation, where systems run ~99% of the time Only required compressors operate, maximizing efficiency Full utilization of condenser and evaporator capacity Crankcase heaters fitted as standard on all units

  • Reliability & Mechanical Design

    Flying Bird IV fans made from Carrier‑patented composite material Low noise operation with no disturbing low‑frequency sound Automatic fan speed reduction at partial load and low outdoor temperature Two‑speed fan motors for optimal efficiency Advanced patented defrost algorithm: Reduces defrost time by up to 50% Electric heater prevents ice accumulation at condenser coil base Fully welded refrigerant piping Pressure sensors mounted directly on pipes Dual‑inlet indoor fans with forward‑curved blades

Technical Documents

Document Name Description Document Type Language Action
50UA Brochure PDF English Download

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