Comparison of R744 and R410A

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Comparison of R744 and R410A ( comparison-r744-and-r410a )

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Table A.1 Comparison of indoor heat exchanger specifications. R410A –ac only system Face area (m2) 0.32 Core volume (m3) 0.018 Core thickness (cm) 5.60 Air side area (m2) 18.6 Ref. side area (m2) 1.0 Fin density (fpi) 14.5 0,2 mm chamfer around opening R1,5 Figure A.5 Cross section of specially designed high pressure R744 heat exchanger header. R744 (3 slabs combined) 0.36 0.018 4.95 22.5 2.73 17 R410 – ac/hp system (“A” coil) 0.42 0.024 5.65 27.48 1.31 15.2 16,69 R1,5 4,43 0,430 0,430 0,790 8,255 16,510 0,700 1,650 Figure A.6 Cross section of the microchannel tube used in the RAC1 R744 heat exchangers. 54

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Comparison of R744 and R410A

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