The air conditioner cludes a parallel ow condenser, an HAC assemby(composed of a aminated evaporator, an H-shaped expansion vale, an aluminum heater core and an actuator), a ppe system, a variadle-displacement compressor etc It applies to vanous special engneering vehicles.

The air cond boner can realize automatic cooling heating and ventilation control for the antenor of an engineenng vehicle by sensing the engineering vehicle is internal and extemal temperatures, driving condtion and the sunlight to set temperature as desired by the passenger(s). It has accurate temperature control and small nose. It has a rated cooling capacity of 2.000W to 4.000w a rated heating capacity of

5.000w o 6.000w and a maxmum air flow of 600m3/h to 900m3/h. It has a fullautomatic controlVFD panel.