Copeland®(Copeland) integrated condensing unit-沈阳北雪冷冻冷藏设备制造有限公司

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Copeland®(Copeland) integrated condensing unit

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Copeland Scroll Compressor Unit

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Product Description

BCZF-BCZFI type low temperature refrigeration condensing unit

features and advantages
The Copeland Scroll ZFKQ series compressors developed by Emerson provide excellent operating performance for low temperature applications. This series of compressors has a wide operating range and evaporation temperature as low as -40 ℃. The optimized design makes it perfectly suitable for food freezing. At the same time, the flexible scroll design makes the compressor have excellent liquid impact resistance.
The product range includes:
ZF * KQE series adopts liquid injection technology to control the exhaust temperature and expand the operating range of the compressor
☆ ZFI * KQE series adopts jet enthalpy technology and subcooler to improve the cooling capacity and efficiency of the system

Maintain high energy efficiency throughout the year
☆ Adhering to the unique flexible scroll design of Copeland, relying on centrifugal force to make the scroll meshing with each other, while ensuring efficient operation and reducing gas leakage
☆ ZF,ZFI series compressors can operate at condensing temperatures as low as 4.4 ℃, providing high seasonal energy efficiency ratio
☆ Compressor with dynamic exhaust valve can be adjusted according to the requirements of the compressor exhaust pressure, to prevent the gas in the compressor recompression, in the case of high pressure ratio of considerable improvement in energy efficiency
The jet enthalpy technology makes the ZFI compressor energy efficiency ratio higher than that of a single-stage compressor in low temperature applications, with excellent performance.
Compact structure
☆ Copeland scroll compressor is small in size, which can make the unit design compact
☆ single compressor cooling capacity increases, so that the refrigeration system weight reduction, volume reduction

stable and reliable
☆Copeland flexible scroll design improves the compressor's ability to withstand liquid impact, allowing liquid and solid impurities to pass directly without causing damage
☆ Small size, light weight, easy to maintain and repair, easy to design
☆ The use of chlorine-free refrigerants also achieves the best operating results
☆ Copeland scroll compressor design has inherent reliability advantages:
-70% less moving parts compared to piston compressors
-Axial and radial flexibility provides higher liquid tolerance
-Fully enclosed design reduces the possibility of leakage
☆ Redesigned suction flow passage reduces oil circulation rate and enhances motor cooling capacity

BCZF type low temperature refrigeration type condensing unit

Compressor protection
☆ ZF,ZFI series compressors are equipped with built-in motor protection to prevent motor overheating caused by lack of phase or insufficient refrigerant charge
☆ ZF series is equipped with DTC liquid injection valve to control compressor discharge temperature
☆ The ZFI series can be equipped with Emerson EVI jet enthalpy enhancement accessories to control the jet enthalpy enhancement circuit to ensure that the compressor operates at a safe exhaust temperature

Achieve unmatched energy efficiency ratio: 5%-20% improvement
☆ Optimized design of the motor, scroll and bearings to minimize energy consumption throughout the year
☆ Precision-machined scrolls provide the highest isentropic efficiency and run-in over time for higher performance
☆ The latest valve] technology can adjust the compression ratio of the scroll according to the operating environment, significantly improving the performance at low ambient temperature
☆ Under low temperature conditions, the use of jet enthalpy enhancement technology can improve the cooling capacity of the system by an average of 50% and the energy efficiency ratio by 20%.

Smooth operation
☆ Copeland scroll TM compressors are designed with exhaust check valves to isolate high-pressure gas, so that the compressor starts under no-load conditions and reduces the starting current
☆ The continuous compression process makes the compressor run smoothly; relative to the piston compression vibration is smaller

Multiple refrigerant options
☆ ZF,ZFI series compressors can be applied to R22,R404A,R407A/C,R407F,R134a,R448A and R449A refrigerants (of which R134a is applicable to some models)
Note: This product manual only provides R22 and R404A performance data. For other refrigerant parameters, please visit Emerson's Chinese website to download the Select selection software for Copeland compressor.

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