COMPASS

  • Launch COMPASS

    COMPASS is a software program that helps you to find the best Danfoss alternative for compressors and condensing units for replacement. The purpose of COMPASS is only to provide a comparison with competitor products.

    Select Compressors to find the best Danfoss compressor alternative for the existing model. Select Condensing Units to find the best Danfoss Condensing Units alternative for the existing model.

    Please use the link below to load the compass application in a new window.

     

  • Software Guidelines

    Please note that all values calculated and components selected by this software must be verified by the user. The user must also ensure that installation conditions comply with professional standards and legislation before making a selection.

    Please also refer to our disclaimer.

     

  • 1. Rating Conditions

    The below rating conditions was used for Compressors cooling capacity processing:

    SI. No.ApplicationRating Temperature (SI Units)Rating Temperature (Imperial Units)
    1Low Back Pressure (LBP)-35°C/40°C/rgt20°C/sub 0 (EN 12 900)
    Evaporating temperature: -35°C Ambient temperature: +40°C
    Return Gas Temperature: 20°C
    Subcooling: 0°C

    -25°F/105°F/rgt40°F/sub 0 (ARI 540 LBP)
    Evaporating temperature: -25°F Ambient temperature: +105°F
    Return Gas Temperature: 40°F Subcooling: 0°F
    2Medium Back Pressure (MBP)-10°C/45°C/rgt20°C/sub 0 (EN 12 900)
    Evaporating temperature: -10°C
    Ambient temperature: +45°C
    Return Gas Temperature: 20°C
    Subcooling: 0°C

    20°F/120°F/rgt65°F/sub 0 (ARI 540 MBP)
    Evaporating temperature: 20°F
    Ambient temperature: 120°F
    Return Gas Temperature: 65°F
    Subcooling: 0°F
    3High Back Pressure (HBP)+5°C/50°C/rgt20°C/sub 0 (EN 12 900)
    Evaporating temperature: +5°C
    Ambient temperature: +50°C
    Return Gas Temperature: 20°C
    Subcooling: 0°C

    45°F/130°F/rgt65°F/sub 0 (ARI 540 HBP)
    Evaporating temperature: 45°F
    Ambient temperature: 130°F
    Return Gas Temperature: 65°F
    Subcooling: 0°F


    The below rating condition was used for Condensing Units Cooling capacity processing:

    SI.No.ApplicationRating Temperature
    1Low Back Pressure (LBP)-25°C/+32°C, sh=10K, subc=0K
    Evaporating temperature: -25°C
    Ambient temperature: +32°C
    Superheating Temperature: 10K
    Subcooling: 0K
    2Medium Back Pressure (MBP)-10°C/+32°C, sh=10K, subc=0K
    Evaporating temperature: -10°C
    Ambient temperature: +32°C
    Superheating Temperature: 10K
    Subcooling: 0K
    3High Back Pressure (HBP)+5°C/+32°C, sh=10K, subc=0K
    Evaporating temperature: +5°C
    Ambient temperature: +32°C
    Superheating Temperature: 10K
    Subcooling: 0K

    2. Guide to Brand Names

    The following brand names have been grouped as follows:

    Danfoss                      Maneurop / Danfoss
    Tecumseh                  Unité Hermétique / UH / Tecumseh
    Unidad hermetica         => Electrolux => ACC => Huayi Compressor Barcelona => Cubigel

    3. Criterion to Define a Danfoss Alternative

    Application – Compressors / Condensing Units
    Refrigerant – Compressors / Condensing Units
    Manufacturer – Compressors / Condensing Units
    Electrical data – Compressors / Condensing Units
    Technology (Hermetic or Scroll) – For Compressors
    Type (Package or Standard) – For Condensing Units

    Compressors with a scale of +10% or ±20% in the cooling capacity may be proposed as best matching alternatives.

    Condensing Units with a scale of –5, +15% or ±10% in the cooling capacity may be proposed as best matching alternatives.

    4. Rules Used to Replace a Refrigerant


    Refrigerant
    Application Replacement Refrigerant
    Application Replacement Refrigerant
      Compressors Condensing Units
    R12
    All
    AC
    M/LBP
     R134a
    R407C
    R404A
    All
    HBP
    M/LBP
     R134a
    R407C
    R404A
    R502
    All R404A
    All R404A
    R22
    M/LBP
    AC
     R404A
    R407C
    M/LBP
    HBP
     R404A
    R407C
    R600a
    All R134a
    All R134a
    R290
    AC
    M/LBP
     R407C
    R404A
    HBP
    M/LBP
     R407C
    R404A
    R134a
    AC
    M/LBP
     R407C
    R404A
    HBP
    M/LBP
     R407C
    R404A
    R407C
    All R404A
    All R404A

    5. Application Areas

    Operating Temperature- area, application area (Commonly Used in Compressors and Condensing Units)

    ACAir Conditioning
    HPHeat Pump
    HBPHigh Back Pressure
    HMBPHigh-Medium Back Pressure
    HMLBPHigh-Medium-Low Back Pressure
    MBPMedium Back Pressure
    LBPLow Back Pressure
    MLBPMedium-Low Back Pressure 

    6. Glossary (Commonly used in Compressors and Condensing Units)


    1phSingle phase
    3phThree-phase
    1ph-RSIRSingle phase with a start relay
    1phCSIRSingle phase with a start relay & start capacitor
    1phCSRSingle phase with a start relay & start capacitor & permanent capacitor
    MOMineral oil
    POEPolyolester oil
    PVEPolyvinylester oil
    ABAlkyl Benzene

  • Disclaimer

    Values calculated and the performance of the products proposed by this software must be verified by the user. Danfoss can accept no responsibility for possible errors in the COMPASS program.

    Danfoss reserves the right to alter its products without notice. This applies to products already on order provided that such alterations can be made without sub sequential changes being necessary in specifications already agreed. All trademarks in this material are the property of the respective companies.

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