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近年来溴化锂中央空调制冷机组以其噪音小、耗能低、冷暖两用、维修方便而被广泛采用.溴化锂机组的制冷控制一般采用电脑自控,以保证机组工作在经济、合理的最佳状态.但是,与机组配套的供电、冷却、冷媒系统都需要另行设计.本人在实践中取得了一点经验,提出供设计、施工人员参考.由于制冷机组都长期工作,尤其是夏季运行时容量最大.它以蒸汽为制冷能源,机房内必然安装了蒸汽管、分汽缸等热元件,环境温度一般在38℃～41℃:左右.由于环境温度较高,电气设备也须长时间工作,要保证安全、可靠运行,故在设备的元器件温升、容量的选取上都必须区别于一般条件下的电气设计.主电源进线及总开关的选择:进线电源容量必须有足够的余量,尤其是线路较远的更应注意,一般以每kW装机容量用2~2～3~2导线截面积.
In recent years, lithium bromide central air-conditioning refrigeration unit with its low noise, low energy consumption, both heating and cooling, easy maintenance and is widely used.Liquid lithium bromide refrigeration control unit commonly used computer-controlled to ensure that the unit work in an economical and reasonable best. However, with the unit supporting power supply, cooling, refrigerant system requires separate design.I have gained some experience in practice, proposed for the design, construction personnel reference.As the refrigeration unit are long-term work, especially in the summer when the largest capacity .It To steam for cooling energy, engine room inevitably installed steam pipe, sub-cylinder and other thermal components, the ambient temperature is generally about 38 ℃ ~ 41 ℃: Because the ambient temperature is high, the electrical equipment must also work long hours, to ensure safety, Reliable operation, so the device temperature rise, the capacity of the selection must be different from the general conditions of the electrical design. The main power into the line and switch the choice of: Incoming power capacity must have sufficient margin, especially More distant line should be noted that the general installed capacity per kW with 2 ~ 2 ~ 3 ~ 2 wire cross-sectional area.