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R404a Piston Air Cooled Condensing Unit , Bitzer Screw Compressor Unit

Categories Air Cooled Condensing Unit
Brand Name: Ourfuture
Model Number: OBL5M-A
Certification: ISO 9001:2008, CE, CCC, QS
Place of Origin: China
MOQ: 1 unit
Price: nigotiation
Supply Ability: 100 units per month
Delivery Time: 20 days
Packaging Details: Plastic film + Plywood case
Compressor brand: Fusheng, Bitzer
Cooling Type: Air cooled
Refrigerant: R404a, R22
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    R404a Piston Air Cooled Condensing Unit , Bitzer Screw Compressor Unit

    R404a Piston Air Cooled Condensing Unit , Bitzer Screw Compressor Unit

    Bitzer Low Temperature Reciprocating Type Condensing Unit include:

    Bitzer reciprocating compressor, Reservoir, Horizontal rotary valve, Liquid feeding filter, Sight glass,

    Solenoid valve, High/low pressure controller, Air cooled condenser, Oil separator, Gas/liquid separator,

    Shock absorber, Oil pressure guage, Pressure gauge board, etc.

    Wide Range of Options

    Compressor Unit

    Refrigeration Capacity

    Evaporating temperature

    Piston type single-stage parallel unit



    Piston type Two-stage parallel unit



    Screw type single stage parallel unit



    Screw type double-stage parallel unit



    Adopted to multiple refrigerant R404a, R507, R407C, R22.

    Stable & Reliable Performance

    The units are equipped with world famous brand high quality compressor and components,

    following the latest design, the perfect combination provides a safe and reliable system.

    The unit comes standard with a controller that can effectively avoid turning on/off the motor

    frequently as well as safety protection modules including the following: Phase loss protector,

    Inverted sequence, overvoltage protector, undervoltage protector, oil pressure, high pressure,

    low pressure, motor overload.

    High efficiency oil separating system. When power is on, there is no need to add lubricating oil,

    the standard provided oil heater (for screw unit), oil temperature controller (for screw unit) and

    oil level switch (for screw unit), etc. can protect the function.

    The PLC controller is a standard provided component. It can automatically decide the compressor

    quantity to be used based on actual need of refrigerant capacity, average the running time

    between each compressor, save the power. All of these will guarantee an over 30% longer

    usage than single compressor condensing unit.

    It has a unique low environment condensing pressure monitor system which guarantees a stable

    functioning when there is a low ambient temperature, lack of oil feeding or oil flow warnin

    High efficiency gas liquid separator is used, with a unique pipeline design, it can effectively

    minimize the possibility of liquid strike.

    The “Pressure Vessel Certificate” approved reservoir is provided as well as the safety relief valve.

    Fault isolation device is served so that when a certain compressor breaks down, the rest of the

    unit can keep running appropriately, making sure that client has enough time for repair and


    High efficiency & energy saving

    Because of a huge demand difference between seasons for refrigerating capacity, the unit must

    have a high level control for capacity, so that the unit can keep running under high efficiency

    mode. The average parallel unit efficiency, according to different refrigeration system is 30%

    higher than single compressor unit.

    Using multiple compressor parallel units can provide a multiple energy level control, the

    refrigeration output can be dynamically allocated more smoothly according to actual situation.

    With high efficiency oil separator, only a small amount of lubricating oil enters the system,

    this largely brings up the heat exchanging efficiency.

    The PLC controller monitors running compressors quantity, it maintains a maximum use rate

    even when only parts of the compressors are functioning.

    PLC controller can be set with the best running curve (maximum & minimum power comsuption),

    to same as much electricity as possible.

    With “modularized design” the risk during construction can be largely reduced, construction

    period can be shortened, improve the product quality controllability.

    Compact & Nimble Structure

    Components such as compressor, reservoir, gas-liquid separator, oil separator, economizer,

    intake manifold, fluid supply manifold, electrical control equipment are all centralized, making

    sure every inch of the space is fully used.

    The unit has a compact structure, the space saved during assembly can provide more space for

    commercial use, benefiting the end user with extra profit.

    Easy operation & convenience

    With PLC safety auto control, client can program with touch screen, the graphical control

    interface can intently show the running status, recording data, parameter settings and false

    alarming, easy for operation.

    The reserved remote communication interface can help customer to monitor remotely.

    Thanks to the print output interface, customer can print the running history data of the unit and

    the system.

    Air cooled piston type condensing unit

    General Features

    Green refrigerant R404a is used.

    High efficiency and low noise external rotor fan motor is used.

    Box type integrated design, internal built high efficiency coper tube aluminum fin conderser.

    PTC sensor is used to monitor motor temperature.

    Polyester oil pre-filled.

    Single stage condensing unit has been extended from 27 KW to 800 KW (variety of options)

    Double stage condensing unit has been extended from 21 KW to 174 KW (variety of options)

    Standard condensing unit configuration
    Semi hermetic screw type compressor, box type air cooled condenser, secondary oil separator, exhaust

    temperature protection device, reservoir (certificated), low temperature area gas-liquid separator,

    dashboard, filter, sight glass, frozen oil, oil differential controller, intercooler and air/oil cooled condenser

    for low temperature units, air-cooled oil cooler, etc.

    Optional configuration

    • R134a, R507, R22, etc
    • Extra large reservoir,.
    • Condenser fan speed controller

    Code description










    unit type:

    B-Single stage

    semi hermatic

    SB-Double stage

    semi hermatic











    Evaporating temp. code:

    M(Medium & high temp.): 0~-10℃

    L(Medium temp.):-10~-30℃

    J(Low temp.): -30~-65℃







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