DuPont™ ISCEON® MO29 is an easy-to-use, non-ozonedepleting HFC refrigerant originally designed to replace R-22 in existing direct expansion water chiller systems.  It can also be used in residential and commercial air conditioning and medium temperature refrigeration systems.

» ISCEON® MO29 Case Histories

ASHRAE #

R-422D

Replaces

R-22

Applications

•  Originally designed for direct expansion water chillers
• Can also be used in residential and commercial air conditioning and medium-temperature refrigeration systems

Benefits

•  Provides easy, quick, cost-effective retrofits
• Non-ozone-depleting HFC
• In most cases, no change of lubricant type during retrofit is required— compatible with traditional and new lubricants
• Enables continued use of existing equipment
• Can be topped off during service without removing entire refrigerant charge

Performance

• Close match to R-22 capacity and efficiency in most systems
• Significantly lower discharge temperature and pressure vs. R-22— likely to prolong the life of the compressor

Lubricant Recommendation
ISCEON® MO29 is compatible with traditional and new lubricants, including mineral oil, alkylbenzene and polyol ester. In most cases, no change of lubricant type during retrofit is needed. See Product Information Bulletin for additional information.

Additional Information

• DuPont™ ISCEON® 9 Series Refrigerants Product Information Guide
• DuPont™ ISCEON® MO29 Product Information Bulletin
• Retrofit Guidelines for DuPont™ ISCEON® MO29 (R-422D)