Refrigerant 410A - HVAC.Amickracing

Retrofitting R-22 to R-410A Indoor CoilAir handlers*Air handlers that can be converted for use withR-410A are similar in construction to today’s productionunits that use R-22 refrigerant. To retrofitone of these air handlers to R-410A, the onlychange that will be necessary is a change inmetering devices. (FCCV OR TXV) Table 1 liststhe air handlers that are approved for retrofit fromR-22 to R-410A. This table also tells you whatmust be done to retrofit the air handler’s coil.TABLE 1APPROVED AIR HANDLERS FOR USE WITH R-410ATWE-C14TWE-C15TWE-P13TWE-E13TVFTWG-A14TWG-A15TWV-BTWH-BFCCV Shipped4AYTXV kitwith outdoor unit orRequires TXV ReplacementRequires TXV ReplacementRequires TXV ReplacementFCCV Shipped4AYTXV kitFCCV Shipped4AYTXV kitwith outdoor unit orwith outdoor unit orRequires TXV ReplacementFCCV Shipped4AYTXV kitFCCV Shipped4AYTXV kitwith outdoor unit orwith outdoor unit orCapillary Tube Models have a "2" in the 9th digit. Air handlers andcoils using capillary tubes may not be used with R-410A condensingunits/heat pumps.Any unit model number not listed is not approved for use withR-410ACoils*Table 2 lists the evaporator coils that have beenapproved for retrofit from R-22 to R-410A. Thetable also tells you what metering devicechanges are required.TABLE 2APPROVED AIR HANDLERS FOR USE WITH R-410ATXA-C4TXA-C5TXC-C4TXC-C5TXC-D4TXC-E5TXC-S3TXH-A4TXH-P3CoilFCCV Shipped4AYTXV kitRequired RetrofitTable 3 lists the R-410A TXV Kit requirements for split system airconditioners.TABLE 3with outdoor unit orRequires TXV ReplacementFCCV Shipped4AYTXV kitwith outdoor unit orRequires TXV ReplacementFCCV Shipped4AYTXV kitwith outdoor unit orRequires TXV ReplacementRequires TXV ReplacementFCCV Shipped4AYTXV kitFCCV Shipped4AYTXV kitwith outdoor unit orwith outdoor unit orR-410A TXV MATRIXTONNAGER-410A TXV KIT1-2.5TON4AYTXVH3A1830AA3-4TON4AYTXVH3A3654AA5 TONS4AYTXVH3A6060AATXV PART NUMBER MATRIXModelNumberTWE018P13R410A TXVPart NumberModelNumberTWE048P13TWE024P13VAL07350 TWE040E13TWE030P13TWE049E13TWE031E13TWE036P13TWE060P13TWE042P13VAL06726 TWE063P13TWE037E13TWE065E13R410A TXVPart NumberVAL07351VAL06727A retrofitted system will function, however, may notbe rated in accordance with ARI Standard 210/270ModelNumberTXV MATRIXR410A TXV Part NumberTXC031E/SVAL07360TXC036E/STXC037E/STXC054E/STXC/TXA060CSTXC/TXA061CSTXC065E/SVAL06929VAL06930A retrofitted system will function, however, may notbe rated in accordance with ARI Standard 210/270* CHECK WITH YOUR DISTRIBUTOR FOR THE LATEST REVISED LISTING OF APPROVED R-410A RETROFIT MATCHES.18