heavy-duty cooling package

After a brief description of the temperature control system in an air -conditioning cooling pack, the paper is mainly devoted to the discussion of the generation of control signals- Special emphases are placed on the analysis of the control software of each control valve and their primary functions and logic relationsh1pos because they are among the key and .

以波音系列飞机空调系统为实例，在对现代化大型喷气客机空调冷却组件温度控制系统概况作出简要叙述的基础上，主要讨论温度控制信号的产生，重点分析各控制活门、控制软件的主要函数与逻辑关系，它是设计制造和维修的关键和核心问题。