Technical Guide
5005743-YTG-C-0815
6 Johnson Controls Unitary Products
CM42D 1400
85/72 100.6 89.8 78.2 64.7
80/67 83.5 73.7 59.8 48.0
75/62 67.8 55.8 44.7 32.5
70/57 52.3 41.5 30.7 23.7
CM48C 1600
85/72 115.2 105.0 93.9 79.0
80/67 88.3 78.2 65.5 52.6
75/62 72.7 60.8 50.1 37.6
70/57 57.7 46.9 36.6 29.7
CM48D 1600
85/72 115.2 105.0 93.9 79.0
80/67 88.3 78.2 65.5 52.6
75/62 72.7 60.8 50.1 37.6
70/57 57.7 46.9 36.6 29.7
CM60C 1800
85/72 115.1 103.0 91.7 78.6
80/67 96.8 85.9 73.7 60.5
75/62 80.7 69.4 57.5 43.5
70/57 58.7 48.9 37.7 32.7
CM60D 1800
85/72 115.1 103.0 91.7 78.6
80/67 96.8 85.9 73.7 60.5
75/62 80.7 69.4 57.5 43.5
70/57 58.7 48.9 37.7 32.7
CM64D 1800
85/72 133.6 118.5 103.2 86.6
80/67 111.4 96.2 80.3 62.8
75/62 90.7 75.1 60.0 43.5
70/57 70.6 56.9 42.5 32.8
1. See Condensing Unit or Heat Pump Technical Guide for Total Cooling Capacity and Sensible Capacity.
FULL-CASED “N” TYPE MULTI-POSITION COIL - COOLING CAPACITY (COIL ONLY
1
) (Continued)
Model Coil Rated CFM
Entering Air °F
(Dry/Wet Bulb)
MBH@ Evaporator Temperature and Corresponding Pressure °F / PSIG
35 / 61.5 40 / 68.5 45 / 76.0 50 / 84.0
UNCASED UPFLOW “N” TYPE COIL - COOLING CAPACITY (COIL ONLY
1
)
Models
Rated CFM
2
Entering Air
Dry/Wet Bulb (°F)
MBH@ Evap. Temp. and Corresponding R-410A Pressure (°F/PSIG)
35/107.9 40/118.9 45/130.7 50/143.3
CU18A 600
85/72 45.7 41.6 36.8 30.5
80/67 38.5 33.9 28.5 22.3
75/62 31.5 26.5 20.5 15.9
70/57 24.4 19.5 15.2 11.5
CU18B 600
85/72 45.7 41.6 36.8 30.5
80/67 38.5 33.9 28.5 22.3
75/62 31.5 26.5 20.5 15.9
70/57 24.4 19.5 15.2 11.5
CU24A 800
85/72 52.2 47.5 41.8 35.0
80/67 43.6 38.3 31.9 24.5
75/62 35.2 29.5 22.7 16.2
70/57 27.1 20.7 15.5 11.4
CU24B 800
85/72 52.2 47.5 41.8 35.0
80/67 43.6 38.3 31.9 24.5
75/62 35.2 29.5 22.7 16.2
70/57 27.1 20.7 15.5 11.4
CU24C 800
85/72 52.2 47.5 41.8 35.0
80/67 43.6 38.3 31.9 24.5
75/62 35.2 29.5 22.7 16.2
70/57 27.1 20.7 15.5 11.4
CU30A 1000
85/72 75.3 67.8 56.8 47.1
80/67 62.6 54.6 44.2 34.5
75/62 50.2 41.3 32.0 22.9
70/57 37.8 30.1 21.5 16.2
CU30B 1000
85/72 75.3 67.8 56.8 47.1
80/67 62.6 54.6 44.2 34.5
75/62 50.2 41.3 32.0 22.9
70/57 37.8 30.1 21.5 16.2
For notes see Page 7.