Pure electric truck air conditioner control system

The utility model provides an air conditioner control system of a pure electric truck. The air conditioner control system comprises a vehicle control unit (VCU), an air conditioner control panel, an air blower, an air blower control device, a cold and warm air door motor, a cold and warm air door motor control device, a heating device and a refrigerating device. The heating device comprises a PTC (Positive Temperature Coefficient) and a PTC control device; the PTC control device comprises a PTC starting signal feedback circuit and a PTC starting circuit; an air blower starting signal and a cold and warm air door motor position signal are fed back to the VCU, and the VCU controls the PTC to be started only when the air blower is started and the cold and warm air door motor is located at the warm air door position at the same time, so that air conditioner heating is achieved; when a driver and passengers use the air conditioner, the operation habit of a fuel truck can be utilized, only the air blower on the air