下载文档原格式
约克空调技术参数及选型约克空调技术参数及选型/2010-12-06 11：08：39/第二届亲子博客传媒大奖约克空调技术参数及选型约克空调空调的主要技术参数有：制冷(热)量、电源额定消耗功率、性能系数、噪音。
制冷(热)量：空调器在进行制冷(热)运转，单位时间内从密闭空间除去的热量。
法定计量单位W(瓦)。
电源额定消耗功率：空调器在额定工况下进行制冷(热)运转时，消耗的功率，单位W。
性能系数：又称能效比，COP值，EER值，是空调器制冷运转时，制冷量与制冷功率之比，单位W/W。
噪音：空调器运转时产生的杂音，主要由内部的蒸发机和外部的冷凝机产生。
空调的选型主要依照采暖通风与空气调节设计规范，其主要涉及选型条文如下：一般规定符合下列条件之一时，应设置空气调节：约克空调1、对于高级民用建筑，当采用采暖通风达不到舒适性温湿度标准时；2、对于生产厂房及辅助建筑物，当采用暖通风达不到工艺对室内温湿度要求时。
注：本条的"高级民用建筑"，系指对室内温湿度、空气清洁程度和噪声标准等环境功能要求较严格，装备水平较高的建筑物，如国家级宾馆、会堂、剧院、图书馆、体育馆以及省、自治区、直辖市一级上述各类重点建筑物。
在满足工艺要求的条件下，应尽量减少空气调节房间的面积和散热、散湿设备。
当采用局部空气调节器或局部区域空气调节能满足要求时，不应采用全室性空气调节。
层高大于是10M的高大建筑物，条件允许时，可采用分层空气调节。
室内保持正压的空气调节房间，其正压温度值不应大于50Pa(5mmH2O)。
空气调节房间应尽量集中布置。
室内温度和使用要求相近的空气调节房间，宜相邻布置。
空气调节房间围护结构的传热系数，应根据建筑物的用途和空气调节器的类别，通过技术经济比较确定，但最大传热系数，不宜大于表2.1.5所规定的数值。
约克空调围护结构最大传热系数[W/(m.C)][Kcal/m.h.°c]表2.5.1围护结构名称工艺性空气调节舒适性空气调节室温允许波动±0.1~0.2±0.5=±1.0屋盖------0.8(0.7)1.0(0.9)顶棚0.5(0.4)0.8(0.7)0.9(0.8)1.2(1.0)外墙---0.8(0.7)1.0(0.9)1.5(1.3)内墙和楼板0.7(0.6)0.9(0.8)1.2(1.0)2.0(1.7)注：1：表中内寺和楼板的有关数值，仅适用相邻房间的温差大于3C时。
约克制冷机组说明书英文York chiller units are a type of air conditioning system designed to provide efficient and reliable cooling for a wide range of commercial and industrial applications. These units are known for their advanced features, energy-efficient performance, and ease of installation and maintenance. In this essay, we will provide a comprehensive overview of the key components, operating principles, and maintenance requirements of York chiller units.At the heart of a York chiller unit is the compressor, which is responsible for circulating the refrigerant throughout the system. York chiller units typically employ either scroll or screw compressors, both of which are known for their high efficiency and reliability. The scroll compressor, for example, utilizes a pair of spiral-shaped scrolls that interlock and rotate to compress the refrigerant, while the screw compressor uses a pair of helical rotors to achieve the same result. These compressors are designed to operate at high speeds, allowing for a more compact and efficient overall system.The condenser is another critical component of a York chiller unit.This component is responsible for removing the heat absorbed by the refrigerant during the cooling process. York chiller units can be equipped with either air-cooled or water-cooled condensers, depending on the specific requirements of the application. Air-cooled condensers use fans to circulate air over the coils, while water-cooled condensers utilize a cooling tower or other water source to dissipate the heat.The evaporator is the component where the actual cooling process takes place. In a York chiller unit, the evaporator is typically a shell-and-tube or plate-and-frame heat exchanger, where the refrigerant absorbs heat from the water or air being cooled. This heat transfer process causes the refrigerant to vaporize, and the resulting vapor is then drawn back into the compressor to continue the cooling cycle.In addition to the compressor, condenser, and evaporator, York chiller units also incorporate a variety of other components, such as expansion valves, filters, and control systems. The expansion valve, for example, is responsible for regulating the flow of refrigerant into the evaporator, ensuring that the proper pressure and temperature conditions are maintained. Filters are used to remove impurities from the refrigerant, helping to maintain the system's efficiency and prevent damage to critical components.The control system of a York chiller unit is designed to optimize theunit's performance and ensure its safe and reliable operation. This system typically includes a microprocessor-based controller that monitors and adjusts various parameters, such as temperature, pressure, and flow rates, to maintain the desired cooling output. The control system may also include features like automatic restart, fault detection, and remote monitoring capabilities, allowing for easy troubleshooting and maintenance.One of the key advantages of York chiller units is their energy efficiency. These units are designed to minimize energy consumption through the use of advanced compressor technologies, efficient heat exchangers, and sophisticated control systems. Many York chiller units also incorporate features like variable-speed drives, which can adjust the compressor speed to match the cooling demand, further improving energy efficiency.Maintenance is an important aspect of ensuring the long-term performance and reliability of York chiller units. Regular inspection and servicing of the unit's components, such as the compressor, condenser, and evaporator, are essential to maintaining optimal efficiency and preventing breakdowns. York chiller units also require periodic cleaning of the condenser coils and evaporator coils to ensure proper heat transfer and maintain the system's cooling capacity.In addition to routine maintenance, York chiller units may also require occasional repairs or replacements of components. This can include tasks such as replacing worn-out seals, recharging the refrigerant, or addressing issues with the control system. It is important to follow the manufacturer's recommended maintenance and repair procedures to ensure the safety and reliability of the unit.Overall, York chiller units are a highly versatile and efficient cooling solution for a wide range of commercial and industrial applications. Their advanced design, energy-efficient performance, and ease of maintenance make them a popular choice among building owners, facility managers, and HVAC professionals. By understanding the key components, operating principles, and maintenance requirements of York chiller units, users can ensure that their cooling systems continue to operate at peak performance for years to come.。
