Extended Capacity Charts (2020)
Cooling Capacity Table
Model
(Btu/h)
Outdoor
Air Temp.
(°F DB )
Indoor Air Temp. °F DB / °F WB
68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75
TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI
18K
5 17.83 14.28 0.67 18.94 15.08 0.90 20.05 15.53 0.98 20.84 14.91 0.99 22.26 15.04 0.99 23.36 15.32 0.99
10 17.81 14.39 0.68 18.91 15.20 0.93 20.02 15.64 1.00 20.81 15.02 1.02 22.23 15.15 1.02 23.33 15.44 1.02
15 17.78 14.49 0.70 18.89 15.31 0.95 19.99 15.75 1.04 20.78 15.13 1.04 22.19 15.26 1.05 23.30 15.55 1.04
20 17.75 14.59 0.72 18.86 15.41 0.98 19.96 15.86 1.06 20.75 15.24 1.08 22.16 15.37 1.08 23.27 15.66 1.08
25 17.73 14.69 0.74 18.83 15.53 1.00 19.93 15.98 1.09 20.72 15.35 1.10 22.13 15.47 1.10 23.24 15.77 1.10
30 17.70 14.80 0.76 18.80 15.63 1.03 19.90 16.09 1.11 20.69 15.45 1.13 22.10 15.59 1.14 23.20 15.88 1.13
35 17.68 14.90 0.78 18.77 15.74 1.05 19.88 16.20 1.14 20.66 15.56 1.16 22.07 15.69 1.16 23.17 15.99 1.16
40 17.65 15.00 0.79 18.75 15.85 1.08 19.85 16.31 1.17 20.63 15.67 1.19 22.04 15.80 1.19 23.13 16.10 1.19
45 17.63 15.11 0.82 18.72 15.95 1.10 19.82 16.43 1.19 20.60 15.77 1.21 22.01 15.91 1.22 23.10 16.21 1.21
50 17.60 15.20 0.84 18.69 16.06 1.13 19.79 16.53 1.22 20.57 15.88 1.24 21.98 16.01 1.24 23.06 16.31 1.24
55 17.57 15.31 0.85 18.67 16.17 1.15 19.76 16.64 1.25 20.54 15.98 1.27 21.94 16.12 1.27 23.03 16.43 1.27
60 17.55 15.41 0.87 18.64 16.28 1.18 19.73 16.76 1.28 20.51 16.09 1.29 21.91 16.22 1.30 23.00 16.53 1.29
65 17.52 15.50 0.89 18.61 16.38 1.20 19.70 16.86 1.30 20.48 16.19 1.33 21.88 16.33 1.33 22.97 16.64 1.33
70 17.50 15.61 0.91 18.59 16.49 1.23 19.67 16.97 1.34 20.45 16.30 1.35 21.85 16.43 1.35 22.93 16.75 1.35
75 17.08 15.35 0.97 18.16 16.24 1.27 19.25 16.73 1.37 20.03 16.08 1.39 21.41 16.24 1.40 22.49 16.56 1.41
80 16.66 15.08 1.03 17.74 15.98 1.31 18.82 16.49 1.40 19.60 15.86 1.43 20.98 16.04 1.45 22.07 16.37 1.47
85 16.24 14.81 1.17 17.32 15.71 1.42 18.40 16.23 1.51 19.18 15.62 1.54 20.55 15.82 1.56 21.63 16.16 1.59
90 15.82 14.53 1.30 16.90 15.44 1.54 17.97 15.97 1.61 18.75 15.38 1.64 20.12 15.59 1.67 21.20 15.95 1.70
95 15.37 14.38 1.44 16.44 15.30 1.64 17.51 15.85 1.70 18.00 15.05 1.67 19.65 15.51 1.75 20.72 15.88 1.79
100 14.99 14.00 1.52 16.07 14.91 1.67 17.14 15.47 1.71 17.77 14.81 1.70 19.28 15.17 1.75 20.35 15.55 1.79
105 14.62 13.61 1.59 15.69 14.53 1.70 16.76 15.09 1.72 17.54 14.58 1.73 18.90 14.84 1.75 19.97 15.23 1.79
110 14.24 13.14 1.54 15.32 14.06 1.61 16.39 14.63 1.60 17.16 14.15 1.59 18.53 14.42 1.61 19.60 14.81 1.65
115 13.87 12.75 1.39 14.94 13.66 1.40 16.01 14.24 1.37 16.79 13.79 1.34 18.15 14.08 1.35 19.22 14.47 1.39
118 13.10 12.15 1.23 14.13 13.04 1.21 15.16 13.60 1.15 15.90 13.17 1.13 17.21 13.47 1.13 18.24 13.85 1.15
122 12.84 11.95 1.18 13.86 12.83 1.14 14.87 13.38 1.09 15.60 12.97 1.05 16.90 13.26 1.05 17.91 13.64 1.08
Heating Capacity Table
Model
(Btu/h)
Outdoor Air
Temp. ( °F D B)
Indoor Air Temp. °F DB / °F WB
°F D B °F W B
61 64 68 70 72 75
TC PI TC PI TC PI TC PI TC PI TC PI
18K
0 -0.4 8.91 1.21 8.39 1.26 8.39 1.28 8.20 1.29 8.04 1.30 7.70 1.35
5 4.5 10.43 1.23 9.94 1.28 9.79 1.31 9.59 1.32 9.42 1.33 9.04 1.38
10 9 11.44 1.25 10.98 1.29 10.73 1.33 10.52 1.34 10.34 1.36 9.93 1.40
17 15 12.56 1.27 12.12 1.31 11.77 1.36 11.54 1.38 11.36 1.40 10.92 1.43
20 19 13.23 1.29 12.81 1.33 12.40 1.38 12.16 1.40 11.97 1.42 11.51 1.46
25 23 14.36 1.32 13.93 1.36 13.45 1.41 13.19 1.43 12.99 1.46 12.50 1.50
30 28 15.50 1.36 15.01 1.40 14.50 1.44 14.23 1.47 14.02 1.50 13.50 1.53
35 32 16.62 1.39 16.09 1.44 15.55 1.48 15.27 1.51 15.04 1.53 14.50 1.58
40 36 17.47 1.43 16.98 1.48 16.44 1.52 16.15 1.56 15.93 1.58 15.35 1.62
45 41 18.53 1.48 18.09 1.53 17.55 1.58 17.26 1.61 17.03 1.63 16.41 1.68
47 43 18.95 1.50 18.53 1.55 18.00 1.60 17.70 1.63 17.47 1.65 16.83 1.70
50 46 19.01 1.49 18.62 1.53 18.16 1.58 17.90 1.61 17.69 1.62 17.10 1.67
55 51 19.10 1.48 18.79 1.51 18.44 1.55 18.22 1.56 18.06 1.58 17.52 1.61
60 56 19.19 1.46 18.94 1.48 18.71 1.51 18.55 1.53 18.42 1.53 17.95 1.56
63 59 19.25 1.45 19.04 1.47 18.87 1.50 18.75 1.51 18.64 1.51 18.21 1.53
68 64 19.30 1.44 19.13 1.46 19.04 1.48 18.94 1.48 18.87 1.48 18.47 1.50
Remarks:
TC: Total Cooling Capac
ity (Gross)
S
HC: S
ensible Heat Capacity (Gross) PI: Power Input (including the compressor, evap. fan motor & cond. fan motor)
DB: Dry Bulb Temperature
WB: Wet Bulb Temperature
4
Capacities and selection data