Automatic air-conditioner refrigerant charging device of automobile

摘要

In order to provide an automatic air conditioner refrigerant charging apparatus for an automobile which can automatically replenish a refrigerant leaked from a refrigerant leaked air conditioner, an air conditioner pressure switch (10) for closing a contact when the pressure of the refrigerant measured is below a reference value, And the contacts 14 and 15 of the air conditioner pressure switch 10 are connected to the air conditioner 12 via the refrigerant circuit 13, And a relay 18 connected to a solenoid valve 17 for opening and closing the passage of the refrigerant storage tank 16 for supplying the refrigerant.