
CLCH-PRC016-EN 3
Coil Type Unit Size 17 21 22 25 26 30 31
1/2-inch
unit
Area (ft
2
) 16.81 20.81 19.97 24.97 24.67 29.90 29.96
Qty-Size 1-40 x 60.50 1-43.75 x 68.50 1-57.50 x 50 1-52.50 x 68.50 2-36.25 x 49 1-52.50 x 82 1-36.25 x 59.50
5/8-inch
unit
Area (ft
2
) 15.63 19.83 18.89 24.08 24.50 28.69 29.50
Qty-Size 1-37.50 x 60 1-42 x 68 1-55.50 x 49 1-51 x 68 2-36 x 49 1-51 x 81 1-36 x 59
1-inch unit
Area (ft
2
) 13.75 17.00 17.35 22.67 22.46 27.00 27.04
Qty-Size 1–33 × 60 2–18 × 68
1-33 x 49
1-18 x 49
2–24 × 68
1-30 x 49
2-18 x 49
2–24 x 81
1-30 x 59
2-18 x 59
1/2-inch
modified
Area (ft
2
) 13.02 15.94 12.34 17.12 19.14 20.39 23.05
Qty-Size 1-31.25 x 60 1-33.75 x 68 1-36.25 x 49 1-36.25 x 68
1-31.25 x 49
1-25 x 49
1-36.25 x 81
1-31.25 x 59
1-25 x 59
5/8-inch
modified
Area (ft
2
) 12.50 15.58 12.25 17.00 18.38 20.25 22.13
Qty-Size 1-30 x 60 1-33 x 68 1-36 x 49 1-36 x 68 1-54 x 49 1-36 x 81 1-54 x 59
1-inch
modified
Area (ft
2
) 12.50 15.58 12.25 17.00 18.38 20.25 22.13
Qty-Size 1-30 x 60 1-33 x 68 2-18 x 49 2-18 x 68
1-30 x 49
1-24 x 49
2-18 x 81
1-30 x 59
1-24 x 59
Coil Type Unit Size 35 36 40 41 50 51
1/2-inch
unit
Area (ft
2
) 34.94 34.11 39.93 40.94 49.05 50.00
Qty-Size 1-57.50 x 87.50 1-37.50 x 65.50 1-57.50 x 100 2-45 x 65.50 2-31.25 x 113 2-45 x 80
5/8-inch
unit
Area (ft
2
) 33.53 34.38 38.54 41.25 48.26 50.00
Qty-Size 1-55.50 x 87 2-37.50 x 66 1-55.50 x 100 2-45 x 66
1-27 x 113
1-34.50 x 113
2-45 x 80
1-inch unit
Area (ft
2
) 30.81 31.63 35.42 38.50 47.08 46.67
Qty-Size
1-33 x 87
1-18 x 87
1-33 x 66
2-18 x 66
1-33 x 100
1-18 x 100
2-30 x 66
1-24 x 66
2-30 x 113
2-30 x 80
1-24 x 80
1/2-inch
modified
Area (ft
2
) 21.90 26.93 25.17 33.23 33.35 40.28
Qty-Size 1-36.25 x 87
1-33.75 x 66
1- 25 x 66
1-36.25 x 100 2-36.25 x 66 1-42.50 x 113 2-36.25 x 80
5/8-inch
modified
Area (ft
2
) 21.75 26.13 25.00 33.00 35.31 40.00
Qty-Size 1-36 x 87
1-33 x 66
1-24 x 66
1-36 x 100 2-36 x 66 1-45 x 113 2-36 x 80
1-inch
modified
Area (ft
2
) 21.75 26.13 25.00 23.38 32.96 38.33
Qty-Size 2-18 x 87
1-33 x 66
1-24 x 66
2-18 x 100
2-18 x 66
1-33 x 66
1-24 x 113
1-18 x 113
2-18 x 80
1-33 x 80
Coil Type Unit Size 57 58 66 80 100 120
1/2-inch
unit
Area (ft
2
) 56.89 56.89 65.63 78.75 99.14 118.10
Qty-Size 2-36.25 x 113
1-57.50 x 80
1-43.75 x 80
2-37.50 x 126 2-45 x 126
1-57.50 x 141
1-43.75 x 141
1-57.50 x 168
1-43.75 x 168
5/8-inch
unit
Area (ft
2
) 56.50 56.67 65.63 78.75 99.88 119.00
Qty-Size 2-36 x 113 2-51 x 80 2-37.50 x 126 2-45 x 126 2-51 x 141 2-51 x 168
1-inch unit
Area (ft
2
) 51.79 53.33 60.38 73.50 94.00 96.00
Qty-Size
1-30 x 113
2-18 x 113
2-33 x 80
1-30 x 80
1-33 x 126
2-18 x 126
2-30 x 126
1-24 x 126
2-33 x 141
1-30 x 141
2-33 x 144
1-30 x 144
1/2-inch
modified
Area (ft
2
) 44.14 43.75 51.41 63.44 77.11 91.88
Qty-Size
1-31.25 x 113
1-25 x 113
1-42.50 x 80
1-36.25 x 80
1-33.75 x 126
1-25 x 126
2-36.25 x 126
1-42.50 x 141
1-36.25 x 141
1-42.50 x 168
1-36.25 x 168
5/8-inch
modified
Area (ft
2
) 42.38 42.33 49.88 63.00 76.38 91.00
Qty-Size 1-54 x 113
1-42 x 80
1-36 x 80
1-33 x 126
1-24 x 126
2-36 x 126
1-42 x 141
1-36 x 141
1-42 x 168
1-36 x 168
1-inch
modified
Area (ft
2
) 42.38 43.33 49.88 60.38 76.38 78.00
Qty-Size
1-30 x 113
1-24 x 113
1-30 x 80
2-24 x 80
1-33 x 126
1-24 x 126
2-18 x 126
1-33 x 126
1-30 x 141
2-24 x 141
1-30 x 144
2-24 x 144
Note: The area given is for the largest 5/8-inch coil per unit size. Other 5/8-inch unit coil areas are available; refer to product catalog CLCH-
PRC015-EN or the TOPSS program.
Table 1. Size the air handler based on airflow through the cooling coil
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