Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MULTITYPE AIR CONDITIONER
Document Type and Number:
Japanese Patent JP2012180996
Kind Code:
A
Abstract:

To provide a multitype air conditioner that eliminates the need to increase the CPU capacity of an outdoor unit designated as a master unit and eliminates differences between the master unit and slave units as outdoor units even if the number of outdoor units connected in parallel increases.

In the multitype air conditioner with a plurality of outdoor units connected in parallel, each of the plurality of outdoor units is equipped with compressor rotation control means 9A, 9B, and 9C. One of the outdoor units is designated as a master unit. Then, the compressor rotation control means 9A of the master unit calculates an overall target rotation command position. Based on the command position, the overall target rotation command position of each outdoor unit is decided and then a command is issued. After that, the compressor rotation control means 9A, 9B, and 9C of each outdoor unit individually decides the target rotation command position of compressors 6A and 6B based on the target rotation command position of each outdoor unit.


Inventors:
MITOMA KEISUKE
NAKAMOTO MASAHIKO
Application Number:
JP2011045293A
Publication Date:
September 20, 2012
Filing Date:
March 02, 2011
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
F24F11/02
Domestic Patent References:
JPH09287845A1997-11-04
JPH0735386A1995-02-07
JP2003121020A2003-04-23
JP2006125739A2006-05-18
JP2007240131A2007-09-20
JP2001263755A2001-09-26
JP2007292406A2007-11-08
JP2007107859A2007-04-26
JPH0674531A1994-03-15
JP2011106333A2011-06-02
Attorney, Agent or Firm:
上田 邦生
藤田 考晴