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Comparison of R744 and R410A

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

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7 6 5 4 3 2 1 0 -20 -15 -10 -5 R744, Dallas/Ft. Worth R410A, Dallas/Ft. Worth R744, Seattle R410, Seattle R744, Chicago R410A, Chicago Outdoor Temperature for 1 kW Heating Load (C) Figure 5.4 Comparison of overall annual efficiency as function of heating load requirement for 40oC supply air 1.2 1.0 0.8 0.6 0.4 0.2 0.0 10 8 6 4 2 Figure 5.5 Capacity load curve for sample system, 60oC supply air in heating Heating Load Cooling Load -20 -10 0 10 20 30 40 50 Outdoor Temperature (C) Supply air temperature: 60 C R744, Cooling R744, Heating R410A, Cooling R410A, Heating -20 -10 0 10 20 30 40 50 Outdoor Temperature (C) 46 Efficiency Load and Capacity (kW) Annual Average Efficeincy

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Comparison of R744 and R410A

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