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PERFORMANCE DATA — 549B, 549C (cont)
INSTANTANEOUS AND INTEGRATED HEATING RATINGS (cont)
LEGEND NOTES:
1. indicates integrated ratings.
2. Integrated capacity is maximum (instantaneous) capacity less the
effect of frost on the outdoor coil and the heat required to defrost it.
549B090 (7
1
/
2
Tons)
Return
Air
(F db)
Cfm
(Standard
Air)
Temperature Air Entering Outdoor Coil (F db at 70% rh)
–20 –10 0 10 17 30 40 47 50 60
55
2250
Cap. 31.4
28.8 37.8 34.9 44.5 41.0 52.1 47.8 57.6 52.5 70.2 61.5 79.9 79.9 87.9 87.9 91.6 91.6 105.9 105.9
kW 5.32 5.47 5.61 5.74 5.84 6.09 6.72 6.92 7.02 7.48
3000
Cap. 33.3
30.6 39.6 36.5 46.3 42.5 53.9 49.4 59.6 54.3 72.1 63.1 81.9 81.9 90.0 90.0 93.9 93.9 105.1 105.1
kW 5.76 5.90 6.01 6.13 6.23 6.44 7.05 7.25 7.35 7.64
3750
Cap. 35.1
32.1 41.4 38.2 48.0 44.1 55.7 51.0 61.3 56.1 73.9 64.7 83.6 83.6 91.8 91.8 94.7 94.7 103.4 103.4
kW 6.23 6.34 6.44 6.56 6.63 6.85 7.48 7.68 7.75 7.93
70
2250
Cap. 28.8
26.5 35.9 32.9 43.1 39.8 50.8 46.6 56.4 51.4 68.4 60.0 77.8 77.8 85.6 85.6 89.2 89.2 103.2 103.2
kW 5.76 5.99 6.21 6.40 6.54 6.85 7.54 7.77 7.89 8.36
3000
Cap. 30.6
28.2 37.8 34.7 45.1 41.6 52.5 48.2 58.2 53.1 70.2 61.5 79.7 79.7 87.5 87.5 91.4 91.4 105.3 105.3
kW 6.19 6.40 6.60 6.77 6.89 7.14 7.83 8.03 8.16 8.61
3750
Cap. 32.3
29.8 39.4 36.3 46.8 43.8 54.3 49.8 60.0 54.7 72.1 63.3 81.7 81.7 89.6 89.6 93.3 93.3 105.5 105.5
kW 6.63 6.85 7.00 7.18 7.28 7.53 8.22 8.43 8.53 8.88
80
2250
Cap. 26.3
24.1 33.9 31.2 41.7 38.4 49.6 45.7 55.5 50.6 67.2 58.8 76.4 76.4 84.0 84.0 87.7 87.7 101.1 101.1
kW 6.01 6.34 6.62 6.87 7.06 7.39 8.18 8.43 8.55 9.06
3000
Cap. 28.0
25.9 35.9 33.1 43.7 40.2 51.3 47.2 57.2 52.3 69.0 60.6 78.4 78.4 86.1 86.1 89.8 89.8 103.4 103.4
kW 6.44 6.75 7.00 7.22 7.37 7.68 8.43 8.65 8.78 9.25
3750
Cap. 29.8
27.4 37.8 34.7 45.5 41.9 53.3 48.8 59.0 53.9 71.0 62.1 80.1 80.1 88.1 88.1 91.8 91.8 105.3 105.3
kW 6.89 7.18 7.41 7.60 7.76 8.03 8.80 9.00 9.13 9.58
549B102 (8
1
/
2
Tons)
Return
Air
(F db)
Cfm
(Standard
Air)
Temperature Air Entering Outdoor Coil (F db at 70% rh)
–20 –10 0 10 20 30 40 47 50 60
55
2550
Cap. 31.6
29.1 39.1 36.0 47.2 43.5 56.3 51.8 65.4 59.3 75.3 66.0 86.1 86.1 97.9 97.9 108.0 108.0 113.5 113.5
kW 3.73 4.01 4.30 4.66 5.01 5.37 5.79 6.23 6.52 6.80
3400
Cap. 32.9
30.2 40.5 37.2 48.3 44.5 57.5 52.7 66.5 60.3 76.5 67.1 87.5 87.5 97.4 97.4 106.1 106.1 109.9 109.9
kW 3.62 3.86 4.10 4.39 4.67 4.96 5.29 5.54 5.71 5.89
4250
Cap. 33.9
31.2 41.5 38.1 49.3 45.4 58.5 53.6 67.5 61.2 77.6 67.9 86.6 86.6 94.6 94.6 102.5 102.5 105.6 105.6
kW 3.55 3.77 3.98 4.23 4.47 4.72 4.92 5.09 5.21 5.33
70
2550
Cap. 28.9
26.6 36.9 34.0 45.5 41.8 55.0 50.5 64.4 58.4 74.2 65.0 84.5 84.5 95.8 95.8 107.1 107.1 114.3 114.3
kW 4.38 4.76 5.14 5.54 5.98 6.45 6.92 7.41 7.82 8.26
3400
Cap. 30.2
27.8 38.4 35.3 46.9 43.0 56.4 51.8 65.6 59.5 75.4 66.1 86.0 86.0 97.4 97.4 107.3 107.3 111.9 111.9
kW 4.27 4.61 4.91 5.25 5.61 5.98 6.36 6.74 6.98 7.20
4250
Cap. 31.4
28.8 39.5 36.4 47.9 44.2 57.5 52.7 66.6 60.4 76.4 67.0 87.1 87.1 97.2 97.2 106.3 106.3 109.1 109.1
kW 4.21 4.51 4.79 5.09 5.40 5.70 6.03 6.28 6.46 6.60
80
2550
Cap. 26.3
24.2 34.9 32.1 43.8 40.3 53.6 49.2 63.3 57.4 73.4 64.3 83.7 83.7 94.4 94.4 106.5 106.5 112.5 112.5
kW 4.82 5.27 5.72 6.19 6.66 7.21 7.76 8.29 8.79 9.23
3400
Cap. 27.8
25.5 36.4 33.5 45.3 41.7 55.1 50.6 64.7 58.7 74.7 65.4 85.0 85.0 96.2 96.2 107.1 107.1 110.0 110.0
kW 4.72 5.11 5.49 5.88 6.28 6.72 7.14 7.57 7.90 8.06
4250
Cap. 29.0
26.7 37.6 34.7 46.4 42.7 56.5 51.8 65.9 59.6 75.7 66.4 86.2 86.2 96.9 96.9 106.2 106.2 110.8 110.8
kW 4.66 5.02 5.35 5.70 6.05 6.42 6.79 7.11 7.34 7.54
Cap. — Heating Capacity (1000 Btuh) (includes indoor-fan motor heat)
kW — Total Power Input (includes compressor motor power input,
outdoor-fan motor input, and indoor-fan motor input)
rh — Relative Humidity
549B, 549C