Title:
REFRIGERATION DEVICE
Document Type and Number:
Japanese Patent JP2014224271
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a refrigeration device capable of suppressing degradation of refrigeration oil and corrosion of an expansion valve.SOLUTION: A refrigeration device 1 includes: a compressor 2; condensers 4 and 6; an expansion mechanism 5; and evaporators 6 and 4. The refrigeration device 1 uses refrigerant including R32 and refrigeration oil for lubricating the compressor 2. Acid scavenger at an addition amount of 1.0 weight % to 5.0 weight % is mixed into the refrigeration oil. An amount of air mixed into the refrigeration device 1 is controlled to be equal to or smaller than 500 ppm with respect to an amount of filled refrigerant. An amount of water mixed into the refrigeration device 1 is controlled to be equal to or smaller than 300 ppm with respect to the amount of the filled refrigerant. A discharge gas temperature of the refrigeration device 1 is controlled to be equal to or lower than 120°C.
Inventors:
TANAKA MASARU
MATSUURA HIDEKI
TAIRA SHIGEJI
NAKAI AKINORI
MATSUURA HIDEKI
TAIRA SHIGEJI
NAKAI AKINORI
Application Number:
JP2014173293A
Publication Date:
December 04, 2014
Filing Date:
August 27, 2014
Export Citation:
Assignee:
DAIKIN IND LTD
International Classes:
C10M169/04; C09K5/04; C10M105/38; C10M107/24; F25B1/00
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Foreign References:
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Attorney, Agent or Firm:
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