92
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.
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS
LEGEND
*Motor drive range: 639 to 936 rpm. All other rpms require field-
supplied drive.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 0.58.
3. See page 103 for General Fan Performance Notes.
549C060 (5 Tons)
Return
Air
(F db)
Cfm
(Standard
Air)
Temperature Air Entering Outdoor Coil (F db)
–20 –10 0 10 17 30 40 47 50 60
55
1500
Cap. 16.9
15.6 22.1 20.3 27.5 23.4 33.3 30.6 38.5 35.1 46.3 40.6 53.7 53.7 59.6 59.6 63.5 63.5 67.8 67.8
kW 3.15 3.26 3.36 3.47 3.56 3.74 3.9 4.04 4.14 4.25
1750
Cap. 17.4
16 22.6 20.8 28 23.8 33.9 31.1 39.1 35.7 46.9 41.1 54.4 54.4 59.9 59.9 63.4 63.4 67.2 67.2
kW 3.19 3.29 3.38 3.47 3.55 3.69 3.83 3.94 4.01 4.09
2000
Cap. 17.8
16.4 23 21.2 28.4 24.1 34.4 31.6 39.6 36.1 47.9 42 54.9 54.9 59.9 59.9 62.7 62.7 66.9 66.9
kW 3.25 3.33 3.41 3.48 3.56 3.69 3.8 3.88 3.93 4.01
2500
Cap. 18.5
17 23.7 21.8 29.2 24.8 35.2 32.3 40.4 36.9 48.7 42.7 55.2 55.2 59.0 59.0 62.0 62.0 65.5 65.5
kW 3.36 3.43 3.49 3.55 3.61 3.71 3.79 3.85 3.89 3.94
70
1500
Cap. 13.8
12.7 19.5 17.9 25.2 21.5 31.2 28.7 36.2 33 44.4 38.9 51.5 51.5 57.6 57.6 62.1 62.1 67.2 67.2
kW 3.45 3.62 3.77 3.92 4.04 4.24 4.45 4.63 4.76 4.91
1750
Cap. 14.3
13.2 20 18.4 25.8 21.9 31.8 29.2 36.9 33.6 45.1 39.5 52.6 52.6 58.4 58.4 62.8 62.8 67.3 67.3
kW 3.5 3.65 3.79 3.92 4.02 4.19 4.37 4.51 4.62 4.74
2000
Cap. 14.8
13.6 20.5 18.8 26.3 22.4 32.4 29.7 37.5 34.2 45.7 40 53.2 53.2 59.1 59.1 62.9 62.9 67.2 67.2
kW 3.55 3.7 3.82 3.93 4.02 4.17 4.33 4.45 4.53 4.63
2500
Cap. 15.5
14.3 21.3 19.6 27.1 23.1 33.2 30.5 38.4 35 46.7 40.9 54.1 54.1 59.9 59.9 63 63 66.3 66.3
kW 3.67 3.8 3.9 3.99 4.06 4.19 4.31 4.4 4.46 4.51
80
1500
Cap. 11.2
10.3 17.2 15.8 23.3 19.8 29.5 27.1 34.6 31.5 42.6 37.4 50 50 56.2 56.2 60.6 60.6 65.7 65.7
kW 3.63 3.85 4.05 4.24 4.38 4.61 4.84 5.05 5.2 5.37
1750
Cap. 11.6
10.7 17.8 16.4 23.9 20.3 30.2 27.7 35.3 32.2 43.4 38.1 50.8 50.8 57.1 57.1 61.5 61.5 66.8 66.8
kW 3.68 3.89 4.07 4.23 4.36 4.55 4.75 4.93 5.06 5.2
2000
Cap. 12.1
11.1 18.3 16.8 24.5 20.8 30.7 28.2 35.9 32.7 44.1 38.7 51.6 51.6 57.8 57.8 62.1 62.1 66.9 66.9
kW 3.74 3.94 4.1 4.25 4.36 4.52 4.71 4.86 4.96 5.07
2500
Cap. 12.8
11.8 19.1 17.6 25.4 21.6 31.7 29.1 36.8 33.6 45.3 39.7 53 53 58.9 58.9 62.8 62.8 66.9 66.9
kW 3.87 4.04 4.19 4.31 4.4 4.53 4.69 4.8 4.87 4.95
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
549C024 (2 TONS) STANDARD MOTOR (BELT DRIVE)*
Airflow
(Cfm)
External Static Pressure (in. wg)
0.1 0.2 0.4 0.6 0.8 1.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
600 500 0.08 531 0.08 607 0.14 713 0.21 788 0.29 878 0.37
700 529 0.09 567 0.09 633 0.16 739 0.24 816 0.32 902 0.41
800 547 0.1 592 0.12 660 0.19 761 0.27 845 0.37 937 0.47
900 570 0.13 620 0.14 691 0.22 793 0.32 870 0.42 957 0.53
1000 599 0.15 650 0.16 717 0.26 818 0.36 894 0.47 981 0.58
Bhp —
Brake Horsepower Input to
Fan
Watts — Input Watts to Motor
