４控制柜电器原理及检修控制柜是空调机组的重要组成部分。空调客车为满足旅客在旅途中的舒适环境的要求，必须对客室空气进行调节、净化，并通过降温或升温等手段，使经净化的车内空气达到宜人的温度。控制柜是实现以上目的，使客车空调机组根据需要分别实现车内通风、制... 4 control cabinet electrical principle and overhaul control cabinet is an important part of air conditioning unit. Air-conditioned passenger cars in order to meet the requirements of passengers in the comfort of the journey, the passenger room must be air conditioning, purification, and by cooling or warming and other means to make purified air inside the car to a pleasant temperature. Control cabinet is to achieve the above purpose, so that bus air-conditioning units are required to achieve the car ventilation, system ...