Multi -functional maintenance dolly refrigerant recovery system of refrigeration air conditioner

The utility model discloses a multi -functional maintenance dolly refrigerant recovery system of refrigeration air conditioner, including the refrigerant recovery bottle, there is the condenser with refrigerant recovery bottle pipe connection, the export at a compressor is connected to the condenser pipeline, is equipped with recovery valve on the pipeline between refrigerant recovery bottle and condenser, is provided with the snifter valve on the entry of compressor, still include the circuit control system, the circuit control system include switch and the pressure controller who connects gradually with external power supply, the switch is established ties with pressure controller, pressure controller's one end is connected with the compressor through thermal overload protector, the compressor is connected through the starter and pressure controller's the other end. This system can be better the protection compressor. 本实用新型公开了种制冷空调多功能维修小车制冷剂回收系统；包括制冷剂回收瓶，与制冷剂回收瓶管道连接有冷凝器，冷凝器管道连接在压缩机的出口，在制冷剂回收瓶与冷凝器之间的管道上设有回收阀