The operation efficiency of a chiller can be expressed by the performance curve, which is typically generated by factory specifications from the manufacturers rather than from the on-site test results of the operating machines. However, when a chiller is newly installed, the performance can deviate...
So we need to choose screw chillers with a flat efficiency curve. In the meantime, we need to check the adjustable range. 3. We need to pay attention to working conditions when choosing screw chillers. The actual cooling capacity of the water chiller is related to a chilled water outlet ...
6. Intelligent microprocessor control with heating curve inside. 7. Perfect protection design such as anti-frist protection, high low pressure protection, water flow protection, high-temp protection, etc., and automatic defrost function, assuring the system to run safely and efficiently even in ...
Three system effectiveness-based parameters, i.e. overall efficiency, scale efficiency and technical efficiency, were calculated. Scale efficiency was linked with the climate variables, whereas technical efficiency was independent of the climate variables. The results showed that fine tuning of the ...
In practice the compressor layout limits the actual efficiency gains possible by the two stage economizer type compressors. The passageway from the first to second stage represents a significant system effect and limits the efficiency improvement. Single stage compressors like the McQuay Distinction series...
Anti-freezing control of waterflow switch and temperature point is adopted in water system. Meanwhile, an- ti-freezing control board is added to control the refrigerant side, so as to ensure safe and reliable operation of unit under low temperature or low load condition. High Efficiency and ...
2) 910r/min grinding mill is efficiency is lower somewhat low, lower decibel noise, slower speed of temperature rising of the vessel and the capacity of producing the same standardized grinding quality. 3) ZHM-1-250, ZHM-3B are designed for industrial manufacture; ZHM-3B is designed for ...
The DX-SAHP system with an immersed type water condenser was studied and proved to have a higher performance than that of the conventional heat-pump system. Both COP and collector efficiency (ηcl) increase as the ambient temperature increases; while the increase of solar radiation intensity ...
High efficiency horizontal shell and tube condenser and evaporator have "BR1" state permission to create pressure vessel, heat stability and maintenance convenience. Advanced micro-computer controller, a powerful, high-speed embedded microprocessor performance is much h...
system load, can achieve optimal efficiency. In scenarios with chillers of different sizes, optimal efficiency can be attained by fully loading the larger chiller and adjusting the smaller chiller to part load, thus ensuring that the combined output of both chillers meets the system’s load. This...