| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an oil return operation method for a multi-air conditioner, in which an oil return operation corresponding to an installation situation can be performed while restraining unnecessary deterioration of air conditioning feeling, generation of noise and power loss. <P>SOLUTION: This oil return operation method for the multi-air conditioner 1, in which a plurality of indoor units 9 are connected in parallel for at least one outdoor unit 3, includes a step of inputting the vertical positional relation between the outdoor unit 3 and the indoor units 9 and a step of performing oil return control of a content corresponding to the input vertical positional relation. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
