54
Combination
Outdoor
air temp
（℉
DB
）
Indoor air temp
57.2
℉
WB
60.8
℉
WB
64.4
℉
WB
66.2
℉
WB
68
℉
WB
71.6
℉
WB
75.2
℉
WB
68
℉
DB
73.4
℉
DB
78.8
℉
DB
80.6
℉
DB
82.4
℉
DB
86
℉
DB
89.6
℉
DB
TC
PI
TC
PI
TC
PI
TC
PI
TC
PI
TC
PI
TC
PI
kBtu/h
kW
kBtu/h
kW
kBtu/h
kW
kBtu/h
kW
kBtu/h
kW
kBtu/h
kW
kBtu/h
kW
80%
50
77.8
3.54
92.6
4.23
107.8
4.98
115.2
5.37
122.6
5.75
137.8
6.57
152.7
7.62
53.6
77.8
3.59
92.6
4.30
107.8
5.07
115.2
5.47
122.6
5.86
137.8
6.68
152.7
7.56
57.2
77.8
3.66
92.6
4.39
107.8
5.16
115.2
5.56
122.6
5.97
137.8
6.80
152.7
7.73
60.8
77.8
3.71
92.6
4.46
107.8
5.26
115.2
5.66
122.6
6.06
137.8
6.95
152.7
8.01
64.4
77.8
3.78
92.6
4.55
107.8
5.38
115.2
5.79
122.6
6.17
137.8
7.10
152.7
8.57
68
77.8
3.85
92.6
4.64
107.8
5.47
115.2
5.89
122.6
6.31
137.8
7.36
152.7
8.88
69.8
77.8
3.89
92.6
4.67
107.8
5.52
115.2
5.96
122.6
6.45
137.8
7.63
152.7
9.51
73.4
77.8
3.96
92.6
4.77
107.8
5.79
115.2
6.34
122.6
6.90
137.8
8.16
152.7 10.17
77
77.8
4.08
92.6
5.07
107.8
6.19
115.2
6.78
122.6
7.37
137.8
8.74
152.7 10.86
80.6
77.8
4.34
92.6
5.40
107.8
6.59
115.2
7.23
122.6
7.90
137.8
9.32
152.7 11.24
84.2
77.8
4.62
92.6
5.75
107.8
7.02
115.2
7.70
122.2
8.43
137.8
9.95
152.7 11.64
87.8
77.8
4.90
92.6
6.12
107.8
7.48
115.2
8.21
122.2
8.98
137.8 10.62 150.2 12.07
91.4
77.8
5.21
92.6
6.81
107.8
7.96
115.2
8.74
122.2
9.57
137.8 11.33 148.1 12.50
95
77.8
5.52
92.6
6.81
107.8
8.47
115.2
9.32
122.2 10.19 137.8 12.10 145.5 12.96
98.6
77.8
5.86
92.6
7.34
107.8
9.01
113.1
9.93
122.2 10.85 137.8 12.88 143.5 13.44
102.2
77.8
6.20
92.6
7.79
107.8
9.58
111.6 10.57 122.2 11.56 137.8 13.72 140.9 13.94
Combination
Outdoor
air temp
（℉
DB
）
Indoor air temp
57.2
℉
WB
60.8
℉
WB
64.4
℉
WB
66.2
℉
WB
68
℉
WB
71.6
℉
WB
75.2
℉
WB
68
℉
DB
73.4
℉
DB
78.8
℉
DB
80.6
℉
DB
82.4
℉
DB
86
℉
DB
89.6
℉
DB
TC
PI
TC
PI
TC
PI
TC
PI
TC
PI
TC
PI
TC
PI
kBtu/h
kW
kBtu/h
kW
kBtu/h
kW
kBtu/h
kW
kBtu/h
kW
kBtu/h
kW
kBtu/h
kW
70%
50
68.0
3.12
81.0
3.69
94.3
4.30
100.8
4.64
107.3
4.97
120.6
5.65
133.7
6.34
53.6
68.0
3.15
81.0
3.75
94.3
4.39
100.8
4.72
107.3
5.05
120.6
5.75
133.7
6.47
57.2
68.0
3.21
81.0
3.82
94.3
4.46
100.8
4.79
107.3
5.14
120.6
5.86
133.7
6.59
60.8
68.0
3.26
81.0
3.89
94.3
4.55
100.8
4.90
107.3
5.25
120.6
5.96
133.7
6.71
64.4
68.0
3.31
81.0
3.96
94.3
4.64
100.8
4.98
107.3
5.33
120.6
6.08
133.7
6.85
68
68.0
3.36
81.0
4.03
94.3
4.72
100.8
5.07
107.3
5.44
120.6
6.20
133.7
7.04
69.8
68.0
3.40
81.0
4.06
94.3
4.76
100.8
5.12
107.3
5.49
120.6
6.27
133.7
7.28
73.4
68.0
3.45
81.0
4.13
94.3
4.86
100.8
5.30
107.3
5.77
120.6
6.74
133.7
7.81
77
68.0
3.52
81.0
4.30
94.3
5.18
100.8
5.66
107.3
6.15
120.6
7.21
133.7
8.35
80.6
68.0
3.73
81.0
4.58
94.3
5.52
100.8
6.03
107.3
6.57
120.6
7.70
133.7
8.92
84.2
68.0
3.96
81.0
4.86
94.3
5.87
100.8
6.43
107.3
6.99
120.6
8.21
133.7
9.53
87.8
68.0
4.18
81.0
5.16
94.3
6.26
100.8
6.83
107.3
7.44
120.6
8.75
133.7 10.16
91.4
68.0
4.44
81.0
5.49
94.3
6.66
100.8
7.27
107.3
7.93
120.6
9.32
133.7 10.84
95
68.0
4.71
81.0
5.82
94.3
7.06
100.8
7.74
107.3
8.43
120.6
9.93
133.7 11.55
98.6
68.0
4.97
81.0
6.17
94.3
7.51
99.0
8.23
107.3
8.97
120.6 10.58 133.7 12.30
102.2
68.0
5.26
81.0
6.53
94.3
7.96
97.7
8.73
107.3
9.53
120.6 11.24 133.7 13.10
