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Screw Chiller

Product catalog summary

Overview:
The document provides technical specifications and characteristics of various types of screw chillers and heat pumps, focusing on water-cooled and air source systems. It highlights energy efficiency, environmental considerations, and operational capabilities.

1. Water-cooled Screw Type Inverter Chiller:

Features a semi-hermetic twin screw compressor with variable frequency operation.
Meets Grade 1 energy efficiency standards in China, offering 20%-30% power savings compared to fixed frequency models.
Utilizes a falling film type evaporator for high heat transfer efficiency and convenient oil return.
Employs environmentally friendly refrigerant R134a.

2. High Temperature Screw Type Water Source Heat Pump:

Equipped with a semi-hermetic twin screw compressor capable of reaching an outlet temperature of 82℃.
Features a falling film type evaporator and uses refrigerant R134a.
Supports multiple power specifications ranging from 380V to 10KV.
Offers various starting methods including star-delta, soft start, inverter start, and high voltage direct starting.

3. Two-stage Compression Screw Type Air Source Heat Pump:

Includes a semi-hermetic twin screw compressor with an outlet temperature of 70℃ at -25℃ ambient temperature.
Can achieve 60℃ outlet temperature at -35℃ without electrical auxiliary heating.
Maximum heat capacity of 500KW per unit, designed for high efficiency and compact installation.

Typical Cases:

ABB Engineering (Shanghai) Ltd: Utilizes a water-cooled screw type chiller with a cooling capacity of 2392KW, operating under different conditions for comfort cooling and ice storage.
WUXI Jemincare Pharmaceutical Co. Ltd: Employs a water-cooled screw type chiller with a cooling capacity of 1031KW.
Shanxi Comprehensive Reform Demonstration Zone: Uses a screw type water source heat pump with a heat capacity of 11670KW, providing hot water at specified inlet and outlet temperatures.

Catalog excerpts

Screw Chiller Screw Chiller Water-cooled screw chiller，adopt high efficiency semi-hermetic twin screw compressor，fixed frequency or inverter control，IPLV of water-cooled inverter screw chiller meets Grade 1 requirement of Energy Standard in China. The highest outlet temperature of Screw Type Water Source Heat Pump（High Temperature Model can be 82℃. 1. Water-cooled screw type inverter chiller Characteristics: 1）Semi-hermetic twin screw compressor 2）Variable frequency start，variable frequency operation 3）IPLV meets Grade 1 requirement of China national energy standard 4）20%-30% power saving in comparison with fixed frequency drive screw type ch

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5）falling film type evaporator，high heat transfer efficiency，oil return is more convenient 6）Environment friendly refrigerant R134a 2. High temperature screw type water source heat pump Characteristics: 1）Semi-hermetic twin screw compressor 2）outlet temperature to be 82℃ 3）falling film type evaporator，high heat transfer efficiency，oil return is more convenient 4）Environment friendly refrigerant R134a 5）multiple power specification available，from 380V-10KV. 6）Star-delta starting，soft start，inverter start and high voltage direct starting. 3. Two-stage compression screw type air

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Characteristics: 1）Semi-hermetic twin screw compressor 2）outlet temperature to be 70℃（Environment temperature -25℃） 3）outlet temperature could reach 60℃ when environment temperature is -35℃，no electrical auxiliary heater. 4）maximum heat capacity 500KW of each heat pump with high efficiency 5）cover a small area，convenient installation ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Typical Case 1. ABB Engineering （Shanghai）Ltd Water-cooled...

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2. WUXI Jemincare Pharmaceutical Co. Ltd Water-cooled screw type chiller Cooling Capacity：1031KW

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3. Shanxi Comprehensive Reform Demonstration Zone Technological innovation incubation Screw Type Water Source Heat Pump Heat capacity：11670Kw Hot water source ：45/10℃，45/5℃ Hot water outlet/inlet：65/45℃，55/45

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