Method for controlling multi-type air conditioner

Details Method for controlling multi-type air conditioner Method for controlling multi-type air conditioner

2005-10-14

2008-12-23

Jiang, Chen-Wen (Department: 3744)

Refrigeration

Processes

Lubricant handling

C062S192000, C062S216000, C062S468000

Reexamination Certificate

active

07467521

ABSTRACT:
The present invention relates to a method for controlling an air conditioner, in which operation time periods of an outdoor unit is integrated, to determined a time point when an oil recovery operation is performed, and performing the oil recovery operation only when a summed rates, or a number of indoor units accessed with communication is higher than a value preset at a control unit.

REFERENCES:
patent: 4932215 (1990-06-01), Kanazawa et al.
patent: 0 848 214 (1998-06-01), None
patent: 5-256532 (1993-10-01), None
patent: 2001133017 (2001-05-01), None
patent: 2002-349938 (2002-12-01), None
patent: 2004-116805 (2004-04-01), None

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