15
Performance data (cont)
COOLING EXTENDED PERFORMANCE TABLE
HEATING EXTENDED PERFORMANCE TABLE -10–20
HEATING EXTENDED PERFORMANCE TABLE 30–60
See Legend and Notes on page 17. *At 75°F entering dry bulb—Tennessee Valley Authority [TVA] rating conditions; all others at 80°F entering dry bulb.
50 JX048 (4 TONS)
Temp (F)
Air Ent
Outdoor Coil
(Edb)
Indoor Entering Air—CFM/BF
1400/0.07
1600/0.07
1800/0.08
Indoor Entering Air—Ewb (F)
72
67
63*
62
72
67
63*
62
72
67
63*
62
85
TC
52.8
48.7
45.2
44.5
53.0
48.9
45.5
45.5
52.9
49.0
45.6
46.4
SHC
25.2
32.5
31.3
39.2
26.0
34.1
33.0
41.2
26.5
35.6
34.5
41.8
kW
4.0
4.0
3.9
3.9
4.2
4.2
4.1
4.0
4.4
4.3
4.3
4.1
95
TC
51.1
46.9
43.0
42.9
51.3
47.1
43.6
44.0
51.2
47.2
43.7
44.9
SHC
24.7
32.0
29.9
38.4
25.5
33.7
32.2
39.8
26.3
35.3
33.6
40.9
kW
4.4
4.4
4.3
4.2
4.6
4.6
4.5
4.3
4.8
4.7
4.6
4.5
105
TC
49.3
44.8
41.3
41.1
49.4
45.0
41.7
42.3
49.3
45.0
41.7
43.3
SHC
24.2
31.3
29.8
37.2
25.1
33.1
31.6
38.4
25.8
34.8
32.9
39.1
kW
4.9
4.8
4.7
4.6
5.1
5.0
4.8
4.7
5.3
5.2
5.0
4.9
115
TC
47.1
42.5
39.2
39.5
47.3
42.7
39.5
40.5
47.2
42.8
39.4
41.3
SHC
23.6
30.5
28.9
35.8
24.5
32.3
30.6
37.2
25.2
34.0
32.1
38.1
kW
5.4
5.2
5.1
5.0
5.6
5.4
5.2
5.2
5.8
5.6
5.4
5.3
50 JX048 (4 TONS)
Temp (F)
Indoor Air Cfm (std)
Air Temperature Entering Outdoor Coil (F db at 70% rh)
Air Ent Indoor Coil
-10
0
10
17
20
60
1400
TC
13.75
12.72
18.17
16.72
22.58
20.73
27.90
25.44
27.16
24.63
kW
2.60
2.85
3.11
3.29
3.33
1600
TC
14.56
13.47
18.93
17.42
23.29
21.38
26.35
24.02
27.70
25.12
kW
2.97
3.16
3.36
3.49
3.49
1800
TC
15.63
14.45
19.92
18.33
24.21
22.23
27.22
24.82
28.47
25.82
kW
3.21
3.37
3.54
3.65
3.65
70
1400
TC
12.18
11.26
16.85
15.50
21.52
19.75
24.79
22.61
26.48
24.02
kW
2.80
3.10
3.39
3.59
3.65
1600
TC
13.21
12.22
17.80
16.38
22.40
20.56
25.61
23.35
27.15
24.62
kW
2.98
3.23
3.49
3.67
3.71
1800
TC
14.52
13.43
19.01
17.49
23.49
21.56
26.63
24.28
28.14
25.52
kW
3.32
3.53
3.74
3.89
3.91
80
1400
TC
12.79
11.83
18.22
16.77
21.89
20.10
24.67
22.49
25.82
23.42
kW
2.98
3.40
3.66
3.82
3.92
1600
TC
13.91
12.87
18.97
17.45
22.71
20.84
25.37
23.13
27.38
24.84
kW
3.16
3.52
3.74
3.89
4.01
1800
TC
14.60
13.51
19.52
17.96
23.05
21.15
26.58
24.23
28.08
25.46
kW
3.52
3.75
4.04
4.18
4.22
50 JX048 (4 TONS)
Temp (F)
Indoor Air Cfm (std)
Air Temperature Entering Outdoor Coil (F db at 70% rh)
Air Ent Indoor Coil
30
40
47
50
60
60
1400
TC
32.14
28.16
37.41
37.41
41.34
41.34
42.95
42.95
47.11
47.11
kW
3.51
3.56
3.73
3.79
4.00
1600
TC
32.85
28.79
38.08
38.08
42.03
42.03
43.43
43.43
47.50
47.50
kW
3.58
3.83
3.71
3.77
3.94
1800
TC
33.66
29.49
39.03
39.03
42.66
42.66
44.04
44.04
48.07
48.07
kW
3.73
3.78
3.82
3.83
3.96
70
1400
TC
31.48
27.58
37.06
37.06
41.24
41.24
42.79
42.79
47.50
47.50
kW
3.82
3.98
4.09
4.17
4.44
1600
TC
32.28
28.29
37.84
37.84
41.89
41.89
43.41
43.41
47.87
47.87
kW
3.84
3.98
4.06
4.14
4.35
1800
TC
33.18
29.08
38.65
38.65
42.65
42.65
44.09
44.09
48.47
48.47
kW
3.98
4.08
4.15
4.21
4.35
80
1400
TC
30.84
27.03
36.31
36.31
40.68
40.68
42.36
42.36
47.65
47.65
kW
4.12
4.43
4.49
4.61
4.90
1600
TC
32.48
28.46
37.20
37.20
41.55
41.55
42.96
42.96
48.21
48.21
kW
4.18
4.31
4.43
4.51
4.81
1800
TC
33.19
29.08
38.12
38.12
42.37
42.37
43.55
43.55
48.77
48.77
kW
4.33
4.42
4.50
4.52
4.81
