Control circuit through the loading or unloading coolant compressor and make the air-freeze agent in the heat exchanger compressed air temperature constant.
控制电路通过加载或卸载冷冻剂压缩机而使空气-冷冻剂热交换器中的压缩空气温度保持恒定。
2
Integrating the dryer, unloading valve and multi-circuit protective valve, the air processing unit (APU) makes the pipeline more compact and reliable.