| 摘要 |
PURPOSE: A connection structure of an indoor unit of an air conditioner is provided to enable to replace an expensive copper pipe into an aluminum pip by preventing a leakage of coolant and corrosion at the same time. CONSTITUTION: A connection structure of an indoor unit of an air conditioner is as follows. One end portion of an aluminum pipe is connected to a front bolt head(111) of a socket by a joining nut. The socket is connected to an evaporator of the indoor unit of the air conditioner. The other end portion of the aluminum pipe is joined to a front bolt head of a service valve of an outdoor unit of the air conditioner so that coolant supplied from the indoor unit is circulated from the outdoor unit. A sealing cap(113) is installed in an end portion of the bolt head of the socket, thereby preventing a leakage of the coolant and corrosion. [Reference numerals] (AA) Indoor unit; (BB) Welding; (CC) High-pressure pipe; (DD) Low-pressure pipe
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