Danfoss Scroll Compressor 3PH Multi Refrigerant POE Rotalock - SY240A4PBI

Danfoss Scroll Compressor 3PH Multi Refrigerant POE Rotalock

Part Number: SY240A4PBI

Danfoss Scroll Compressor 3PH Multi Refrigerant POE Rotalock

Part Number: SY240A4PBI

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  • Danfoss is a worldwide manufacturer of compressors and condensing units for refrigeration and HVAC applications. Danfoss have a wide range of high quality and innovative products that help your company to find the best possible energy efficient solution that respects the environment and reduces total life cycle costs. 

    Danfoss have 40 years of experience within the development of hermetic compressors which places them amongst the global leaders in the industry. Today Danfoss operate from engineering and manufacturing facilities spanning across three continents.

    This SY240A4PBI model is supplied with a motor protection module fitted inside the compressor terminal box. The protection module provides protection against overheating, overloading & phase loss or reversal. The motor protector comprises of a control module connected to PTC sensors embedded in the motor windings. Once tripped the module has a 5 minute start delay providing the windings have cooled below the response temperature. The time delay can be cancelled by resetting the mains (L-N disconnected) for approximately 5 seconds (monitoring function is inactive for 20 seconds after shutdown).  The SY/SZ240 to SY/SZ380 compressors have an internal safety relief device that is set to open between the high & low side if the differential pressure between the suction & discharge surpasses 31 to 38 bar. 

    The SY range of compressors benefit from the improved design features below to achieve the highest efficiency: 

    • Gas circulation, motor cooling and oil behaviour are improved on light commercial platform models by a new patented motor cap design. 

    • Part protection and assembly reduces internal leaks and increases life durability. 

    • Improved part isolation reduces greatly acoustic levels

    • Gas intake design induces higher resistance to liquid slugging.

    • Multi-refrigerant (R134a, R22, R407C, R513A) optimized scroll profile and charged with PVE oil.

    Note: Rotalock service valves & crankcase heaters are not supplied with compressor & should be purchased separately if required.


  • General Specifications
    Swept Volume347.8 cm³/rev
    Suction Line Connection 1Rotalock 2-1/4 12UNF x 1-5/8" ODF
    Discharge Line Connection 1Rotalock 1-3/4 12UNF x 1-1/8" ODF
    Weight150 kg
    Oil Charge8 L
    Oil Type320SZ P.O.E. Oil

    1. Service valves are not supplied with compressors & should be purchased separately if required

    Electrical Specifications
    Voltage380-400V / 3 / 50Hz
    Motor Type3PH
    Max Continuous Current50 amps
    Locked Rotor Amps215
    Rated Load Amps37.5 amps
    Crankcase Heater 2230 volts 130 watts
    Line to Line Resistance0.616 OHMS (+/- 7% @ 25ºC)

    2. Crankcase Heaters are not supplied with compressors & should be purchased separately if required

  • ContactorMC65A240V
    Crankcase Heater7773122
    Discharge Service Gasket0200028035PK
    Discharge Service ValveV07
    Model NumberSY240A4PBI
    Suction Service Gasket0200941005PK
    Suction Service ValveV08
    Thermal OverloadMT633K65
  • danfoss_manuerope_scroll_c

    Units Dimensions (mm)
  • R22
    Cond Temp (°C)Evaporating Temperature (°C)
    45Capacity (w)35154430465212662508675177430887639
    Input (w)14480146781490315162152891546415818
    Current (Amps)26.1226.3626.642727.1927.4728.08
    50Capacity (w)33198407464943759387642067071083522
    Input (w)15952161561638116634167571692617264
    Current (Amps)27.9628.228.8528.8529.0329.3329.95
    55Capacity (w)383654664856146607586697679251
    Input (w)178191804318290184091857018891
    Current (Amps)30.3630.6230.9831.1631.4532.07


    11.1k Superheat, 8.3K Subcooling, 35°C Ambient

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