Mid-range HFC Pack Control with Pack Controller AK-PC 551 – Two Suctions

  • Capacity regulation of compressors and condensers in medium size refrigeration applications

     

  • PCsDescriptionCode Number
    1Pack Controller AK-PC 551 with built-in display080G0281 (230 V) or 080G0283 (24 V)
    1Remote Display MMIGRS2080G0294
    1Wire for Display080G0075 (1.5 m) or 080G0076 (3 m)
    2Pressure transmitter AKS 32R for suction (1/4” flare -1 to 12 bar)060G1036
    1Pressure transmitter AKS 32R for discharge (1/4” flare -1 to 34 bar)060G0090
    3Plug with 5m cable060G1034
    1Temperature sensor AKS 11 for suction (5.5 m cable, -50 to 100°C)084N0005
    1Temperature sensor AKS 21A for discharge (5 m cable, -70 to 180°C)084N0008
     Variable Speed drive FC-103 for lead compressor and condenserConsult FC-103 configuration tool (drives.danfoss.com)
     Scroll CompressorQuick Selection Catalogue Chapter 18

     

     

  • Key Benefits

    • Covers most commonly used HFC pack applications for commercial refrigeration
    • Fast and Easy wizard setup
    • Robust control with optimised control algorithms and factory default
    • Energy saving features to reduce operating costs
    • Graphical, easy to use interface

     

  • Functions

    • 1 suction and 1 condenser group
    • Up to 8 compressors and 8 condensers (Maximum 8 in total)
    • PI control with Neutral Zone settings
    • 8 DO, 8 DI, 8 AI and 2 AO
    • Variable speed on lead compressor
    • Variable speed on condenser fans
    • Built in display and remote display
    • Can control Copeland Digital Scroll, Copeland Stream with 4 cylinders and Bitzer CRII with 4 cylinders

     

  • Energy Saving Features

    • ADAP-KOOL Integration
    • Suction Pressure Optimization
    • Night Setback
    • Load shedding
    • Floating condenser control
    • Heat recovery set point via DI
    • Night silence function

     

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