Air conditioning system suitable for use in an electric vehicle

摘要: An air conditioning system suitable for use in an electric vehicle. In the system, a refrigerant gas circulatory of heat pump type selectively effecting cooling and heating is disposed inside vehicle comprises lines which interconnect three exchangers, directional control valve, compressor expansion valve to one another. A device provided so as activate inactivate exchanger, compressor. Before expected running vehicle, at least portion can be operated by using drive source different from used Accordingly, comfortable room environment established time on riding activating unmanned state.