Tecumseh RKA5490EXA Performance Data Sheet
Performance Data Sheet
RKA5490EXA
General Information
Model RKA5490EXA Refrigerant R-22
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 3380 3160
Watts 384 427
Amps 3.14 3.45
Lb/h 43.5 42.3
Btu/h 3740 3510 3280
Watts 395 441 484
Amps 3.22 3.57 3.94
Lb/h 47.9 46.7 45.6
Btu/h 4170 3910 3670 3430
Watts 407 454 500 545
Amps 3.31 3.69 4.09 4.51
Lb/h 53.0 51.7 50.6 49.4
Btu/h 4660 4380 4110 3850 3600
Watts 419 467 515 563 611
Amps 3.40 3.81 4.24 4.69 5.16
Lb/h 58.9 57.6 56.3 55.1 53.9
Btu/h 5210 4910 4620 4330 4050
Watts 430 480 530 580 631
Amps 3.49 3.93 4.39 4.87 5.36
Lb/h 65.5 64.1 62.8 61.5 60.2
Btu/h 5830 5500 5180 4870 4560 4260 3960
Watts 442 493 545 597 651 705 761
Amps 3.58 4.04 4.53 5.04 5.56 6.09 6.63
Lb/h 72.8 71.4 70.0 68.6 67.3 65.9 64.5
Btu/h 6520 6160 5810 5470 5130 4800 4460
Watts 453 505 559 614 669 727 786
Amps 3.67 4.16 4.67 5.20 5.74 6.30 6.87
Lb/h 80.9 79.4 78.0 76.5 75.1 73.7 72.2
Btu/h 7270 6880 6500 6130 5760 5390 5020
Watts 464 518 573 629 688 748 811
Amps 3.76 4.27 4.81 5.36 5.93 6.51 7.10
Lb/h 89.7 88.1 86.6 85.1 83.6 82.1 80.6
Btu/h 8080 7670 7260 6850 6440 6040 5640
25
30
35
40
45
50
55
Watts 475 530 586 645 706 769 835
Amps 3.85 4.38 4.94 5.51 6.10 6.70 7.31
Lb/h 99.1 97.5 96.0 94.4 92.9 91.3 89.7
Btu/h 8970 8520 8070 7630 7190 6750 6300
Watts 486 542 600 660 723 789 858
Amps 3.94 4.49 5.07 5.66 6.27 6.89 7.52
Lb/h 109 108 106 104 103 101 99.5
Btu/h 9920 9430 8950 8470 7990 7510 7030
Watts 497 553 612 674 740 808 881
Amps 4.04 4.61 5.20 5.81 6.43 7.07 7.72
Lb/h 120 118 117 115 114 112 110
Btu/h 10900 10400 9880 9370 8850 8330 7800
Watts 507 565 625 689 756 827 902
Amps 4.13 4.71 5.32 5.95 6.59 7.24 7.90
Lb/h 132 130 128 127 125 123 121
Btu/h 12000 11400 10900 10300 9760 9200 8630
Watts 518 576 637 702 771 845 923
Amps 4.23 4.82 5.44 6.08 6.73 7.40 8.08
Lb/h 144 142 140 139 137 135 133
Btu/h 13200 12600 11900 11300 10700 10100 9520
Watts 528 586 649 715 787 862 943
Amps 4.33 4.93 5.56 6.21 6.88 7.55 8.24
Lb/h 157 155 153 152 150 148 146
Btu/h 14400 13700 13100 12400 11800 11100 10500
Watts 538 597 660 728 801 879 962
Amps 4.43 5.04 5.68 6.34 7.01 7.70 8.39
Lb/h 170 169 167 165 163 161 159
COEFFICIENTS CAPACITY POWER CURRENT MASS FLOW
C1 7.453352E+03 -7.215264E+00 1.261927E+00 7.375788E+01
C2 1.349695E+02 3.041434E+00 -3.031514E-02 1.318145E+00
C3 -4.325827E+01 6.021235E+00 1.061337E-02 -2.580310E-01
C4 1.612818E+00 1.449501E-02 3.181757E-04 1.400649E-02
C5 -3.136345E-01 -4.432820E-02 6.031403E-04 -4.764118E-04
C6 1.261614E-01 -1.157746E-02 2.409484E-04 1.166908E-03
C7 2.380321E-04 -8.884318E-07 2.581856E-07 -9.200430E-06
C8 -3.919920E-03 -2.132646E-04 -3.949620E-06 7.625267E-06
C9 -8.483488E-04 4.407499E-04 -3.371502E-08 -4.649100E-06
C10 -2.782566E-04 3.607167E-05 -4.917330E-07 -3.318425E-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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