• Daikin offers ZESTIA container reefer unit

    Daikin Reefer has unveiled new container refrigeration technology that meets carrier and shipper demands for low energy consumption and greenhouse gas emissions while providing precise cooling performance for chilled and frozen cargoes.
    Dec. 1, 2011
    2 min read
    Refrigeratedtransporter 729 Zestia Logo

    Daikin Reefer has unveiled new container refrigeration technology that meets carrier and shipper demands for low energy consumption and greenhouse gas emissions while providing precise cooling performance for chilled and frozen cargoes. The company is part of Daikin Refrigeration, a division of Daikin Industries Ltd.

    The new LX10F container refrigeration unit, to be marketed under the brand name ZESTIA, uses Daikin’s patented DC inverter scroll compressor technology to deliver large energy savings of approximately 45% compared with other designs. The proven technology has been adapted from the global air-conditioning sector, for which Daikin has been manufacturing inverter compressors since the late 1980s. The company produced its first DC inverter scroll compressor for air-conditioning in 1996 and has since shipped more than 3 million units worldwide.

    Traditional single-speed compressors can only deliver a fixed amount of cooling and heat and have to operate on a “stop-start” principle to maintain a set temperature. By contrast, inverter compressors run at variable speeds, allowing cooling capacity to be adjusted according to cargo needs, ambient conditions, and how the refrigeration unit is used.

    A key component of Daikin’s DC inverter technology is the Daikin Reluctance DC motor, a patented design that uses a neodymium permanent magnet for improved efficiency at all rotational speeds. Operating at high torque and efficiency without slip, the Daikin Reluctance DC motor further reduces power consumption. Units are also fitted with an AC line-reactor to manage unstable and fluctuating electricity input and transport conditions, such as in long-haul rail operations. The AC line-reactor also prevents negative phase currents that can cause power cuts or overheating of the supply generators.

    ZESTIA will be built in combination with the established LXE10E scroll compressor container refrigeration machine. The basic ZESTIA design comes from the LXE10E model. The company will now offer both designs and will continue to further enhance the LXE10E. Like the LXE10E, the ZESTIA will run on R134a refrigerant.

    ZESTIA’s microprocessor controller has been enhanced, with a user-friendly large, backlit LCD screen and new graphical data display.

    Authorized users can also now download trip data and upload software by using a USB memory stick in about 30 seconds, rather than needing to plug in a laptop into the controller. Also new is the use of LED indicator lights on the controller, helping users to identify failed parts and avoid misdiagnosis of faults.

    Access www.daikinreefer.com for more details.

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