14
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 JX042 (3-1/2 TONS)
Temp (F)
Air Ent
Outdoor Coil
(Edb)
Indoor Entering Air—CFM/BF
1225/0.06
1400/0.06
1575/0.07
Indoor Entering Air—Ewb (F)
72
67
63*
62
72
67
63*
62
72
67
63*
62
85
TC
46.7
42.8
40.2
39.4
47.1
43.2
40.2
40.1
47.2
43.3
40.2
40.8
SHC
24.3
30.7
31.3
37.3
25.1
32.5
32.8
39.6
25.7
33.9
34.4
40.8
kW
3.43
3.40
3.53
3.31
3.58
3.54
3.72
3.41
3.75
3.71
3.92
3.52
95
TC
45.1
41.0
38.1
37.4
45.4
41.5
38.2
38.7
45.4
41.5
38.1
39.7
SHC
23.7
29.9
30.1
36.1
24.5
31.8
31.8
38.7
25.2
33.3
33.2
39.7
kW
3.78
3.74
3.83
3.60
3.94
3.91
4.02
3.69
4.12
4.07
4.25
3.86
105
TC
43.5
38.8
35.9
35.6
43.5
39.2
35.9
36.8
43.5
39.4
35.8
37.9
SHC
23.3
28.7
29.1
35.4
23.9
30.6
30.6
36.8
24.7
32.3
32.0
37.9
kW
4.17
4.07
4.13
3.91
4.33
4.24
4.33
4.03
4.51
4.40
4.56
4.20
115
TC
41.0
36.6
33.8
34.0
41.2
36.9
33.8
35.2
41.3
36.9
33.7
35.9
SHC
22.1
27.9
28.3
34.0
23.0
29.6
29.8
35.2
23.7
31.1
31.3
35.9
kW
4.59
4.44
4.50
4.26
4.75
4.58
4.70
4.42
4.94
4.76
4.90
4.57
50 JX042 (3-1/2 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
1225
TC
12.32
11.34
16.82
15.48
20.83
19.16
24.26
22.33
25.64
23.60
kW
2.38
2.50
2.61
2.68
2.71
1400
TC
13.56
12.47
17.91
16.48
21.69
19.96
25.15
23.14
26.50
24.38
kW
2.56
2.66
2.74
2.80
2.84
1575
TC
15.37
14.14
19.47
17.91
22.32
20.54
25.76
23.71
27.08
24.92
kW
2.71
2.80
2.89
2.91
2.96
70
1225
TC
10.27
9.45
15.14
13.93
19.86
18.27
23.10
21.25
24.51
22.55
kW
2.55
2.70
2.86
2.93
2.97
1400
TC
11.36
10.45
16.19
14.89
20.55
18.91
24.03
22.11
25.46
23.42
kW
2.72
2.85
2.99
3.06
3.08
1575
TC
11.80
10.85
16.48
15.17
21.17
19.47
24.68
22.70
26.09
24.00
kW
2.86
2.97
3.11
3.18
3.20
80
1225
TC
7.25
6.67
12.43
11.44
18.54
17.06
21.87
20.12
23.20
21.35
kW
2.73
2.90
3.10
3.22
3.25
1400
TC
8.50
7.82
13.58
12.49
18.39
16.92
22.84
21.02
24.21
22.27
kW
2.96
3.10
3.19
3.35
3.38
1575
TC
9.12
8.39
14.20
13.06
18.85
17.35
23.51
21.63
24.90
22.91
kW
3.09
3.21
3.34
3.47
3.49
50 JX042 (3-1/2 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
1225
TC
30.15
27.74
36.33
36.33
38.87
38.87
39.69
39.69
42.11
42.11
kW
2.88
3.00
3.12
3.15
3.24
1400
TC
31.06
28.58
37.25
37.25
39.30
39.30
40.14
40.14
42.28
42.28
kW
3.00
3.12
3.18
3.21
3.28
1575
TC
31.68
29.15
37.83
37.83
39.73
39.73
40.47
40.47
42.54
42.54
kW
3.12
3.19
3.26
3.28
3.35
70
1225
TC
29.23
26.89
35.41
35.41
39.11
39.11
40.46
40.46
43.21
43.21
kW
3.10
3.24
3.46
3.49
3.62
1400
TC
30.16
27.75
36.46
36.46
40.08
40.08
41.02
41.02
43.67
43.67
kW
3.23
3.40
3.51
3.55
3.65
1575
TC
30.81
28.35
37.01
37.01
40.58
40.58
41.43
41.43
44.00
44.00
kW
3.34
3.42
3.59
3.63
3.72
80
1225
TC
28.04
25.80
34.82
34.82
38.24
38.24
39.84
39.84
43.96
43.96
kW
3.38
3.51
3.66
3.75
4.01
1400
TC
29.09
26.76
35.72
35.72
39.31
39.31
41.00
41.00
44.55
44.55
kW
3.49
3.61
3.81
3.86
4.03
1575
TC
29.79
27.41
36.41
36.41
39.95
39.95
41.72
41.72
45.08
45.08
kW
3.61
3.70
3.93
3.98
4.11
