Bitzer Semi-Hermetic Compressor 8FE-70Y - 8FE70Y

Bitzer Semi-Hermetic Compressor 8FE-70Y

Part Number: 8FE70Y

Bitzer Semi-Hermetic Compressor 8FE-70Y

Part Number: 8FE70Y
Bitzer

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  • BITZER ECOLINE SEMI HERMETIC COMPRESSOR SERIES

     

    The new BITZER ECOLINE series offers highly efficient all-purpose compressors which meet the challenging demands of modern refrigeration systems. 

    The ECOLINE series has now been extended to all models and the optimisation package has been developed further for universal use with different refrigerants – at the same time extending the operating ranges. 

    The refrigerants include: R134a, R404A, R407A, R407C, R407F, R513A, R22, R449A, R507A, R450A, R1234yf, R1234ze.

    The compressors are already designed for operation with "Low-GWP" HFO refrigerants and HFO-/HFC blends.   

    The coefficient of performance (COP) of the new ECOLINE models has been improved by an average of 6% up to a maximum of 12% compared with preceding series. 

    This is not achieved with a single component, but by optimising the valve plates, reducing flow losses and discharge gas pulsation as well as specially adapted highly efficient motors with broad band characteristics. 

    Each ECOLINE is compatible with its predecessor compressor.  These predecessor compressors can be substituted without the need for modifying the system. 

    Whereas many of the major internal components have been redesigned, the outer shape has remained virtually unchanged: the same outer dimensions, unchanged mounting points, valve and sensor positions, connections for oil and gas equalisation, as well as for oil level regulators. 

    Motor version 2 covers the classic refrigeration applications – medium and low temperature refrigeration – with one single product. In many cases it can thus replace a predecessor compressor with motor version 1. 

    For supermarket applications with R134a, a version with specially adapted motor is available for the ECOLINE models CE4, BE5 and BE6 – motor version 3 – in addition to motor version 2. 

    Motor version 3 has been specially designed for the pressure levels of R134a and focuses on applications in the medium temperature refrigeration range in modern systems. 

    For compressors with motor version 3, the standard motor can be operated with a frequency inverter up to 70 Hz (for mains voltage 400V/3/50Hz). 

     

    Extended application range:

    ● R134a up to tc = 85°C 

    ● R404A and R507A up to tc = 62°C 

     

    Energy efficient high cooling capacity and minimum energy requirement: 

    ● Highly efficient working valves 

    ● Minimum clearance volume 

    ● Efficient, large-volume motor 

    ● Reduced flow losses at low condensing temperatures 

     

    Wear resistant drive gear: 

    ● Surface hardened eccentric shaft and crankshaft 

    ● Low friction bearings and aluminium pistons 

    ● Hard chrome plated piston rings 

     

    Quiet with low vibration:

    ● Optimized mass balance 

    ● Low discharge gas pulsations due to special cylinder head design 

     

    Minimum space requirement:

    ● Very compact design 

     

    Robust: 

    ● Solid valve plate design 

    ● Valves made of impact resistant spring steel 

    ● Wear resistant drive gear 

     

    Efficient capacity control: 

    ● Cylinder shut-off or VSD capacity control possible 

    ● Cylinder shut-off possible from 18 m3/h displacement (50 Hz) on   

    – 4 cylinder compressor: 50%   

    – 6 cylinder compressor: 66% / 33%   

    – 8 cylinder compressor: 75% / 50% 

    ● CRII cylinder heads allow for stepless capacity control from 100% to 10% when fitted to all cylinder banks of 4 and 6 cylinder compressors (solenoid valves, coils and CRII system controller required eg. Bitzer CM-RC-01).

    ● Tandem compressors from 22,7 m3/h to 303 m3/h (50 Hz) 

    ● Approved parallel operation 

    ● VSD capacity control from 25 to 70 Hz – subject to conditions

     

  • General Specifications
    Motor Version1
    Motor SeriesBE8
    Number of Cylinders6
    Capacity Control33%/66%
    Suction Line Connection2-1/8 "
    Oil Charge4.72 L
    Oil TypeBSE-32 Ester Oil
    Electrical Specifications
    Voltage380-420 / 3 / 50 Hz
    Motor TypePWS
    Crankcase Heater0 - 140 watt 230 volt PTC Self Regulating Crankcase Heater
  • R134A
    Cond Temp (°C)Evaporating Temperature (°C)
    -20-15-10-5051015
    60Capacity (w)251003515046800603007580093800114400138100
    Input (w)2115024230279703210036370405204428047400
    70Capacity (w)18090267503670048200613007640093600113300
    Input (w)2248025020286203297037750426404734051510
    80Capacity (w)18650268503620046850590007270088200
    Input (w)26570295503371038680440704950054590

    Note:

    400v / 3 / 50Hz , 20 Deg Return Gas, no Sub-Cooling
    8 cylinder models supplied with two cylinder head prepared for capacity control (standard feature)
    Require additional cooling &/or return vapour limitations.
    R404A
    Cond Temp (°C)Evaporating Temperature (°C)
    -30-25-20-15-10-505
    30Capacity (w)573007380093000115100140700170100204000242800
    Input (w)2955033950381704207045520483505043051610
    40Capacity (w)46400608007740096500118400143500172100204900
    Input (w)3051035560406504562050300545305815061000
    50Capacity (w)3565047900618007770095700116300139600166100
    Input (w)3049036300422104809053760590906391068070

    Note:

    400v / 3 / 50Hz , 20 Deg Return Gas, no Sub-Cooling
    8 cylinder models supplied with two cylinder head prepared for capacity control (standard feature)
    Require additional cooling &/or return vapour limitations.
    R507
    Cond Temp (°C)Evaporating Temperature (°C)
    -30-25-20-15-10-505
    30Capacity (w)573007380093000115100140700170100204000242800
    Input (w)2955033950381704207045520483505043051610
    40Capacity (w)46400608007740096500118400143500172100204900
    Input (w)3051035560406504562050300545305815061000
    50Capacity (w)3565047900618007770095700116300139600166100
    Input (w)3049036300422104809053760590906391068070

    Note:

    400v / 3 / 50Hz , 20 Deg Return Gas, no Sub-Cooling
    8 cylinder models supplied with two cylinder head prepared for capacity control (standard feature)
    Require additional cooling &/or return vapour limitations.

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