Water-cooled screw chiller unit, 5°C

The Huihui NBS series water-cooled screw chillers adopt a user-friendly design philosophy and cater to the domestic structural realities. The overall structure is simple, compact, and aesthetically pleasing, featuring a semi-hermetic twin-screw compressor. It is also paired with an efficient shell-and-tube heat exchanger, combined with automated control technology, offering system stability, strong reliability, and high-efficiency energy-saving operation. The application of the compressor anti-reversal program further ensures the reliability of the water-cooled screw chillers' operation. With nearly thirty product types available for customer selection, these chillers are widely used in various industrial refrigeration and special air conditioning applications.

Product Features

◆ Superior and Stable Performance

Utilizing high-quality imported twin-screw compressors with only 1/10 of the moving parts of reciprocating compressors and 1/5 of the vibration, the radial and axial components are equipped with precision German FAG and Swedish SKF bearing assemblies. This is further enhanced by an axial thrust balancing drum, effectively balancing axial loads, resulting in a failure rate just 1/10 that of reciprocating compressors. Combined with world-renowned control components, this ensures the water-cooled screw chiller units can operate safely and stably for an extended period.

Efficient operation

Utilizing more efficient screw compressors over reciprocating compressors, combined with high-efficiency reinforced heat exchangers, the water-cooled screw chillers offer excellent adaptability and high operating efficiency.

Eco-friendly and energy-efficient

Screw compressors feature part-load capability, achieving excellent energy efficiency ratios whether operating at full or part load, thanks to multi-head coordination and PLC control technology. They automatically adjust energy output based on actual needs, significantly reducing your operating costs. We offer multi-step and stepless energy adjustment options for your selection.

◆Flexible Selection

Chiller units are integrated with flexible combinations of various compressors, offering a range of models and different cooling capacities for your selection, ensuring maximum satisfaction of the required refrigeration capacity. Additionally, we can fully customize according to your non-standard requirements.

Safety Protection

Water-cooled screw chillers offer comprehensive protection for the refrigeration system, electrical system, and water system, ensuring the safe and normal operation of the chillers. They feature safety protections against compressor motor overheating, overcurrent, phase sequence anomalies, high exhaust temperature, high pressure, low pressure, low pressure differential, freezing point, and open circuit, among others.

◆Easy to use

The Huihui Chiller Unit employs advanced PLC control technology, truly achieving "one-button start" and full automatic operation. We can also accommodate your requirements for multi-machine control, remote operation, and convenient connection with building automation systems. The water-cooled screw chiller unit display offers both Chinese and English options for easy understanding of the unit's operating status, ensuring truly user-friendly operation and management.

For more technical specifications and solutions for water-cooled screw chillers, please contact Huihui Refrigeration for professional services.