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Performance Data Sheet
RKA5490CXA
General Information
Model RKA5490CXA Refrigerant R-407C
Test Condition ASHRAE Performance Test Voltage 115V ~ 60HZ
Return Gas 18.3°C (65°F) RETURN GAS Motor Type PSC
Performance Information
Evap Temp (°F)
-15
-10
-5
0
5
10
15
20
Condensing Temperature (°F)
80 90 100 110 120 130 140
Btu/h 2630 2550
Watts 403 430
Amps 3.63 3.80
Lb/h 37.0 35.5
Btu/h 3060 2930 2790
Watts 420 452 484
Amps 3.77 3.99 4.21
Lb/h 41.8 40.2 38.6
Btu/h 3550 3370 3180 2980
Watts 434 471 508 546
Amps 3.88 4.14 4.42 4.70
Lb/h 47.3 45.7 44.0 42.1
Btu/h 4110 3870 3630 3380 3120
Watts 446 487 529 571 615
Amps 3.96 4.28 4.60 4.93 5.26
Lb/h 53.6 51.9 50.1 48.2 46.1
Btu/h 4730 4440 4140 3840 3530
Watts 455 501 547 594 642
Amps 4.03 4.39 4.76 5.13 5.52
Lb/h 60.7 58.9 57.0 55.0 52.8
Btu/h 5420 5080 4720 4370 4000 3630 3250
Watts 461 512 563 615 667 721 776
Amps 4.07 4.48 4.90 5.32 5.75 6.19 6.63
Lb/h 68.4 66.5 64.5 62.4 60.2 57.9 55.4
Btu/h 6180 5780 5370 4960 4540 4120 3680
Watts 465 520 576 633 690 748 808
Amps 4.09 4.55 5.01 5.48 5.96 6.44 6.94
Lb/h 76.9 74.9 72.8 70.6 68.4 66.0 63.4
Btu/h 7000 6540 6080 5620 5140 4670 4180
Watts 467 527 587 648 710 773 837
Amps 4.09 4.60 5.11 5.62 6.14 6.68 7.22
Lb/h 86.0 83.9 81.8 79.5 77.2 74.7 72.1
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Btu/h 7890 7370 6860 6340 5810 5280 4740
25
30
35
40
45
50
55
Watts 466 530 595 661 728 796 864
Amps 4.07 4.62 5.18 5.74 6.31 6.89 7.48
Lb/h 95.9 93.7 91.4 89.1 86.7 84.1 81.4
Btu/h 8840 8270 7700 7120 6540 5950 5360
Watts 462 531 601 672 743 816 889
Amps 4.03 4.63 5.24 5.84 6.46 7.09 7.72
Lb/h 106 104 102 99.4 96.9 94.2 91.5
Btu/h 9850 9230 8600 7970 7340 6690 6050
Watts 456 530 605 680 756 833 911
Amps 3.97 4.62 5.27 5.93 6.59 7.26 7.94
Lb/h 118 115 113 110 108 105 102
Btu/h 10900 10300 9570 8880 8190 7500 6800
Watts 448 527 606 686 767 849 931
Amps 3.89 4.59 5.29 5.99 6.70 7.42 8.15
Lb/h 129 127 124 122 119 116 114
Btu/h 12100 11300 10600 9860 9120 8370 7610
Watts 437 521 605 690 776 862 949
Amps 3.80 4.54 5.28 6.04 6.79 7.56 8.33
Lb/h 142 139 137 134 131 129 126
Btu/h 13300 12500 11700 10900 10100 9300 8490
Watts 424 513 602 692 782 873 965
Amps 3.68 4.47 5.27 6.06 6.87 7.68 8.50
Lb/h 155 152 150 147 144 141 138
Btu/h 14600 13700 12900 12000 11200 10300 9430
Watts 409 503 597 691 786 882 979
Amps 3.55 4.39 5.23 6.07 6.93 7.78 8.65
Lb/h 169 166 163 161 158 155 152
COEFFICIENTS CAPACITY POWER CURRENT MASS FLOW
C1 5.941039E+03 1.304659E+02 1.548849E+00 6.603964E+01
C2 2.071053E+02 -5.728747E+00 -6.267297E-02 1.503224E+00
C3 -2.306854E+01 3.972522E+00 3.043577E-02 -1.584675E-01
C4 1.344344E+00 -5.555239E-02 -4.617231E-04 1.450695E-02
C5 -1.133251E+00 1.004096E-01 9.957735E-04 -2.418322E-03
C6 1.414916E-02 -2.065888E-03 -1.759544E-05 2.536503E-04
C7 -1.537904E-04 5.054834E-05 7.398905E-07 -1.256128E-05
C8 -4.254174E-04 3.877795E-05 8.781974E-08 3.823303E-07
C9 2.940865E-04 -3.839796E-05 -2.784420E-07 3.661654E-06
C10 -1.481158E-04 2.160451E-05 1.826192E-07 -2.625632E-06
Value = C1 + C2 * Te + C4 * Te^2 + C7 * Te^3 + (C3 + C5 * Te + C8 * Te^2) * Tc + (C6 + C9 * Te) * Tc^2 + C10 * Tc^3
Te = Evaporator Temperature
Tc = Condensing Temperature
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