Danfoss Scroll Compressor 3PH R22 Mineral Oil Rotalock - SM1254RI

Danfoss Scroll Compressor 3PH R22 Mineral Oil Rotalock

Part Number: SM1254RI

Danfoss Scroll Compressor 3PH R22 Mineral Oil Rotalock

Part Number: SM1254RI
Danfoss

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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 SM125-4RI model is supplied with a bi-metallic single pole, single throw thermostat located in the motor windings. If the motor overheats due to low refrigerant flow or improper rotation, the thermostat will open. Because the thermostat is an automatic reset device it must be wired within a lockout safety circuit with a manual reset. It is compulsory to fit an external overload protector to protect against over current & phase loss.

    The SM 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.

    • R22 optimized and charged with mineral oil

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

     

  • General Specifications
    Nominal HP10 HP
    Displacement28.99 m?/Hr
    Swept Volume166.6 cm?/rev
    Suction Line Connection 1Rotalock 1-3/4 12UNF x 1-1/8" ODF
    Discharge Line Connection 1Rotalock 1-1/4 12UNF x 3/4" ODF
    Weight78 kg
    Oil Charge3.8 L
    Oil Type160P Mineral 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 Current25 amps
    Locked Rotor Amps120
    Max Operating Amps25 amps
    Crankcase Heater 2230 volts 65 watts
    Line to Line Resistance1.16 OHMS (+/- 7% @ 25ºC)

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

  • Model NumberSM1254RI
    Suction Service ValveR053FC2DS
    Suction Service Gasket020002803PK
    Discharge Service ValveR052FB4DS
    Discharge Service Gasket020002802PK
    ContactorMC32A240V
    Thermal OverloadMT323K25
    Electronic OverloadGMP403P40A
    Crankcase Heater7773107
  • Units Dimensions (mm)
    D254
    H586
    H1180
    H2538
  • R22
    Cond Temp (°C)Evaporating Temperature (°C)
    -10-5057.21015
    45Capacity (w)16456204142497430190327043611642808
    Input (w)7358733773067262724372057131
    Current (Amps)13.7113.6913.6513.6113.5813.5513.47
    50Capacity (w)15240191772371328902314033480041459
    Input (w)8270823381848120809280397940
    Current (Amps)14.7714.7314.6114.6114.5714.5214.43
    55Capacity (w)177532226327424299103329039915
    Input (w)924691779091905589868861
    Current (Amps)15.9715.8915.815.7615.715.57

    Note:

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

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