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Title:
MULTI-TYPE AIR CONDITIONING EQUIPMENT AND METHOD OF SETTING MULTI-TYPE AIR CONDITIONING EQUIPMENT
Document Type and Number:
Japanese Patent JP2019128109
Kind Code:
A
Abstract:
To provide multi-type air conditioning equipment and a method of setting the multi-type air conditioning equipment, each allowing for prevention of shortage of refrigerant in an indoor unit disposed on the lower side even when the plurality of indoor units are installed in positions different in height.SOLUTION: Multi-type air conditioning equipment 1 is provided in which a plurality of indoor units 3 are connected to one outdoor unit 2, the number of revolutions of a compressor is controlled so that a high pressure reaches a high pressure target value, and an opening of an indoor-side expansion valve of each indoor unit 3 is controlled so that heat exchange outlet temperatures of the plurality of indoor units 3 reach a heat exchange outlet temperature target value. The multi-type air conditioning equipment includes a setting part 71 performing such an initial setting that the heat exchange outlet temperature target value in a heating operation is lowered by a prescribed temperature and/or to increase the high pressure target value by a prescribed value, when the difference in height between the indoor units 3 having large difference in height, is over a prescribed difference in height as a result of comparison of installation heights of the indoor units 3.SELECTED DRAWING: Figure 1

Inventors:
SUGIMOTO DAISUKE
ISOZUMI SHINICHI
SHIOTANI ATSUSHI
Application Number:
JP2018010689A
Publication Date:
August 01, 2019
Filing Date:
January 25, 2018
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND THERMAL SYSTEMS LTD
International Classes:
F24F11/46; F24F11/49
Attorney, Agent or Firm:
藤田 考晴
三苫 貴織
川上 美紀
長田 大輔