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50TFQ007 (6 TONS)
Temp (F)
1800/0.10
Outdoor
Entering Air
(Edb)
72
TC
81.1
75
SHC
36.2
kW
5.16
TC
80.7
85
SHC
36.1
kW
5.83
TC
79.3
95
SHC
35.8
kW
6.54
TC
76.0
105
SHC
34.6
kW
7.21
TC
72.7
115
SHC
33.6
kW
7.95
TC
70.1
125
SHC
32.9
kW
8.82
50TFQ008 (7
1
/
TONS)
2
Temp (F)
2250/0.04
Outdoor
Entering Air
(Edb)
72
67
TC
109.8 101.4 92.2 116.2 107.0 98.0 117.6 108.8 100.2 118.8 110.4 102.4
75
SHC
44.2
57.4 69.4
kW
6.66
6.44
TC
105.2
96.4
85
SHC
42.8
55.6
kW
7.20
6.94
TC
100.6
91.0
95
SHC
41.6
54.0
kW
7.78
7.42
TC
94.8
85.4
105
SHC
40.0
52.2
kW
8.26
7.88
TC
88.8
79.9
115
SHC
38.4
50.4
kW
8.76
8.32
TC
82.6
73.8
125
SHC
36.8
48.6
kW
9.20
8.74
50TFQ009 (8
1
/
TONS)
2
Temp (F)
2400/0.06
Outdoor
Entering Air
(Edb)
72
67
TC
111.4 102.3
91.0
75
SHC
51.8
64.3
75.3
kW
8.64
8.48
8.23
TC
108.8
97.4
86.1
85
SHC
50.9
62.3
73.2
kW
9.27
9.09
8.76
TC
104.5
92.7
81.2
95
SHC
49.3
60.2
70.9
kW
9.90
9.56
9.22
TC
98.8
87.8
75.9
105
SHC
47.1
58.3
68.1
kW
10.37 10.08
9.70
TC
93.8
82.4
71.1
115
SHC
45.3
56.0
65.9
kW
10.99 10.56 10.13 11.72 11.39 10.79 12.16 11.86 11.24 12.76 12.38 11.76
TC
88.4
77.2
66.7
125
SHC
43.4
54.1
63.1
kW
11.52 11.03 10.56 12.33 11.87 11.30 12.78 12.33 11.75 13.29 12.81 12.27
COOLING CAPACITIES (cont)
Indoor Entering Air — Cfm/BF
2400/0.13
Indoor Entering Air — Ewb (F)
67
62
72
67
77.6
72.1
84.0
80.3
46.9
57.0
39.1
52.4
5.11
5.01
5.23
5.16
75.8
70.0
83.9
79.3
46.5
56.4
39.7
52.9
5.74
5.65
5.90
5.81
73.0
67.3
82.0
76.7
45.4
55.3
39.3
52.3
6.37
6.28
6.60
6.47
70.6
64.3
79.6
73.4
44.8
54.1
38.8
51.2
7.12
6.94
7.34
7.15
67.5
61.1
75.8
70.6
43.7
52.7
37.6
50.7
7.86
7.63
8.06
7.95
63.9
57.6
71.8
66.9
42.4
51.2
36.4
49.5
8.62
8.37
8.83
8.73
Indoor Entering Air — Cfm/BF
3000/0.06
Indoor Entering Air — Ewb (F)
62
72
67
62
72
49.6
66.0 82.0
51.8
6.18
6.86
6.60
6.36
6.92
87.0 111.4 102.2 92.6 113.0 104.0
67.6
48.4
65.0 80.0
50.8
6.64
7.42
7.14
6.82
7.48
82.0 105.6
96.2
87.4 107.2
65.8
47.0
63.2
77.8
49.4
7.08
7.96
7.62
7.30
8.00
76.8
99.8
90.2
82.2 101.4
63.8
45.6
61.6
74.6
48.2
7.50
8.48
8.10
7.76
8.56
71.4
93.4
84.0
77.6
94.8
61.6
44.2
59.8
70.6
46.6
7.90
8.98
8.54
8.22
9.04
65.8
86.6
77.4
74.4
88.0
59.2
42.2
57.8
66.2
45.2
8.30
9.44
8.96
8.68
9.52
Indoor Entering Air — Cfm/BF
3200/0.09
Indoor Entering Air — Ewb (F)
62
72
67
62
115.7 108.2
97.6
117.0 110.1 100.4 118.1 111.6 102.5
54.9
71.9
87.6
9.32
9.18
8.95
9.73
113.7 104.2
92.9
115.2 106.6
54.7
70.9
85.1
9.98
9.79
9.40
10.40 10.24
110.4
98.8
87.7
112.0 101.3
53.7
68.7
82.4
10.64 10.39
9.88
11.07 10.86 10.25 11.55 11.36 10.67
105.5
93.4
83.0
107.4
52.2
66.5
79.0
11.26 10.90 10.33 11.71 11.34 10.73 12.20 11.82 11.24
98.7
87.9
78.6
100.8
49.5
64.5
75.5
93.1
82.2
74.5
94.9
47.7
62.3
71.4
49.2
3000/0.19
62
72
67
75.2
84.2
81.1
65.4
40.8
56.2
5.06
5.23
5.17
73.4
84.1
80.8
65.2
41.6
58.3
5.69
5.90
5.84
70.8
83.0
79.1
64.3
42.2
58.9
6.37
6.62
6.55
67.9
80.7
75.5
62.9
42.0
57.6
7.06
7.36
7.22
64.7
77.9
71.8
60.9
41.5
56.4
7.77
8.14
7.94
61.6
73.5
68.6
58.4
40.2
56.1
8.54
8.89
8.79
3200/0.08
3750/0.11
67
62
72
67
69.8
87.0
54.0
74.0
6.66
6.42
6.94
6.70
95.0
114.6 105.8
69.0
84.4
53.4
73.8
7.20
6.90
7.54
7.28
98.0
89.8
108.6
99.6
67.4
81.4
52.0
72.2
7.70
7.40
8.06
7.76
91.6
85.0
103.2
93.2
65.8
77.6
51.2
70.4
8.18
7.88
8.64
8.24
85.4
80.0
96.0
86.6
64.0
73.2
49.4
68.6
8.62
8.36
9.10
8.70
78.8
75.0
89.2
80.0
62.0
68.6
48.2
66.6
9.02
8.82
9.60
9.12
3600/0.11
4000/0.14
72
67
62
72
55.8
74.9
92.5
56.7
77.1
9.61
9.30
10.19 10.12
94.8
116.6 108.3
55.7
74.3
89.3
56.7
77.2
9.83
10.88 10.74 10.20
90.8
113.2 103.1
55.1
72.6
86.3
56.2
75.7
95.4
86.5
108.9
97.1
53.7
69.9
82.2
55.1
72.9
89.8
82.1
102.9
91.3
51.3
68.0
77.9
53.0
71.0
83.9
77.9
96.2
85.3
65.8
73.7
50.4
68.8
BF
— Bypass Factor
Edb — Entering Dry-Bulb
Ewb — Entering Wet-Bulb
kW — Compressor Motor Power Input
Ldb — Leaving Dry-Bulb
62
Lwb — Leaving Wet-Bulb
77.8
SHC — Sensible Heat Capacity
72.2
(1000 Btuh) Gross
5.11
TC
— Total Capacity (1000 Btuh) Gross
76.2
NOTES:
71.9
1. Direct interpolation is permissible. Do
5.76
not extrapolate.
73.5
2. The following formulas may be used:
69.7
6.40
t
= t
–
ldb
edb
71.3
67.8
t
= Wet-bulb temperature corre-
lwb
7.14
sponding to enthalpy of air
68.5
leaving indoor coil (h
65.2
7.90
h
= h
–
lwb
ewb
65.4
62.3
Where: h
8.69
ewb
evaporator coil
3. The SHC is based on 80 F edb tem-
perature of air entering indoor coil.
Below 80 F edb, subtract (corr factor x
cfm) from SHC.
Above 80 F edb, add (corr factor x
cfm) to SHC.
62
92.0
6.48
97.6
88.8
7.00
92.8
84.6
7.50
88.0
80.4
8.02
83.0
75.8
8.50
77.6
71.0
8.98
67
62
96.4
9.72
98.0
92.2
93.8
88.2
89.5
83.9
85.3
79.6
80.8
75.2
LEGEND
sensible capacity (Btuh)
1.10 x cfm
)
lwb
total capacity (Btuh)
4.5 x cfm
= Enthalpy of air entering
25
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