One-to-several air conditioner

The utility model discloses an one-to-several air conditioner, include: the off-premises station is equipped with total refrigerant and advances pipe and total refrigerant exit tube on, a plurality of indoor sets are equipped with branch's refrigerant and advance pipe and branch's refrigerant exit tube on every indoor set, a plurality of branches refrigerant advances the pipe and advances the pipe with total refrigerant respectively and link to each other, and a plurality of branches refrigerant exit tube is continuous with total refrigerant exit tube respectively, total stop valve, total stop valve including set up on total refrigerant advances the pipe first total stop valve with establish the total stop valve of second on total refrigerant exit tube, first total stop valve and second always are equipped with first access hole in the stop valve at least one, the extension stop valve all corresponds on every indoor set and is provided with an extension stop valve, and the extension stop valve is corresponding the first extension stop valve of branch's refrigerant on advancing the pipe and is establishing the second extension stop valve on branch's refrigerant exit tube including establishing according to the utility model discloses an one-to-several air conditioner can reduce the time of carrying out evacuation gas or taking out the refrigerant the indoor set, has reduced the cost of labor