12
50ZH
Performance data (cont)
COOLING CAPACITY
See page 15 for cooling notes.
HEATING CAPACITY
50ZH042 (3-1/2 TONS)
Temp (F)
Air Ent
Outdoor
coil (edb)
Indoor Entering — CFM/BF
1225/0.11 1400/0.13 1575/0.14
Indoor Entering — Ewb (F)
72 67 63* 62 72 67 63* 62 72 67 63* 62
85
TC 45.9 41.1 38.0 37.0 46.6 41.8 38.6 37.6 47.2 42.3 39.1 38.2
SHC 22.1 28.0 27.1 33.5 23.2 29.8 28.7 35.6 24.2 31.5 30.3 37.5
kW 4.28 4.15 4.06 4.04 4.37 4.24 4.15 4.13 4.45 4.32 4.23 4.21
95
TC 43.9 39.2 36.2 35.2 44.6 40.0 36.8 35.8 45.2 40.3 37.2 36.4
SHC 21.5 27.3 26.4 32.7 22.5 29.1 28.0 34.7 23.5 30.8 29.6 36.4
kW 4.65 4.51 4.42 4.39 4.74 4.60 4.50 4.48 4.82 4.68 4.58 4.56
105
TC 41.8 37.2 34.3 33.4 42.5 37.8 34.8 34.0 42.9 38.2 35.2 34.9
SHC 20.8 26.6 25.6 31.8 21.8 28.3 27.2 33.7 22.8 30.0 28.8 34.9
kW 5.00 4.90 4.80 4.78 5.09 4.99 4.89 4.87 5.17 5.07 4.97 4.97
115
TC 39.7 35.2 32.4 31.5 40.2 35.7 32.8 32.3 40.7 36.0 33.1 33.3
SHC 20.1 25.8 24.8 30.8 21.1 27.5 26.4 32.3 22.1 29.2 27.9 33.3
kW 5.44 5.32 5.21 5.19 5.53 5.41 5.30 5.29 5.61 5.50 5.40 5.40
50ZH042
Temp (F)
Air Ent
Indoor
Coil
Indoor
Air CFM
(Std)
Air Temperature Entering Outdoor Coil (F db at 70% rh)
-100 1017203040475060
60
1225
Cap.
13.4
12.4 16.9 15.5 20.7 19.0 23.7 21.6 25.2 22.9 29.8 26.1 35.2 35.2 40.3 40.3 42.4 42.4 49.7 49.7
kW
2.87 2.98 3.09
3.17 3.22
3.35 3.51 3.66
3.73 3.97
1400
Cap.
13.4
12.3 16.8 15.4 20.9 19.2 23.9 21.8 25.3 23.0 30.2 26.5 35.6 35.6 40.8 40.8 42.7 42.7 50.4 50.4
kW
2.90 3.00 3.10 3.18 3.22 3.34 3.48 3.62 3.67 3.90
1575
Cap.
13.3
12.3 17.0 15.6 21.1 19.4 24.2 22.1 25.6 23.2 30.5 26.8 36.0 36.0 41.2 41.2 43.0 43.0 50.9 50.9
kW
2.95 3.04 3.13 3.20 3.23 3.35 3.48 3.61 3.65 3.86
70
1225
Cap.
12.5
11.5 16.1 14.8 20.0 18.3 23.1 21.1 24.6 22.4 29.2 25.6 34.5 34.6 39.5 39.5 41.6 41.6 48.7 48.7
kW
3.06 3.19 3.32
3.43 3.47
3.63 3.80 3.97
4.04 4.30
1400
Cap.
12.5
11.5 16.0 14.7 20.2 18.5 23.4 21.3 24.8 22.5 29.6 25.9 34.9 34.9 40.0 40.0 41.8 41.8 49.3 49.3
kW
3.09 3.21 3.34 3.43 3.47 3.61 3.76 3.92 3.97 4.21
1575
Cap.
12.4
11.4 16.2 14.9 20.5 18.8 23.7 21.6 25.1 22.7 29.9 26.2 35.3 35.3 40.4 40.4 42.2 42.2 49.9 49.9
kW
3.14 3.25 3.36 3.45 3.48 3.61 3.75 3.89 3.94 4.16
80
1225
Cap.
11.4
10.5 15.1 13.9 19.1 17.5 22.4 20.4 24.0 21.7 28.6 25.1 33.8 33.8 38.7 38.7 40.8 40.8 47.7 47.7
kW
3.25 3.41 3.57
3.69 3.75
3.93 4.13 3.31
4.38 4.66
1400
Cap.
11.4
10.5 15.0 13.8 19.3 17.8 22.7 20.7 24.2 21.9 29.0 25.4 34.2 34.2 39.2 39.2 41.0 41.0 48.3 48.3
kW
3.29 3.44 3.59 3.70 3.74 3.91 4.08 4.25 4.30 4.56
1575
Cap.
11.4
10.4 15.2 14.0 19.7 18.0 23.0 21.0 24.5 22.2 29.3 25.7 34.6 34.6 39.6 39.6 41.1 41.4 48.9 48.9
kW
3.33 3.47 3.61 3.71 3.75 3.90 4.06 4.21 4.26 4.50
LEGEND
Cap. — Heating Capacity (1000 Btuh) (Includes Indoor-Fan Motor Heat)
db — Dry Bulb
kW — Total Power Input (Includes Compressor Motor Power Input
Outdoor-Fan Motor Input, and Indoor-Fan Motor Input)
rh — Relative Humidity
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.
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