Technical Guide

718434-YTG-B-0113
12 Johnson Controls Unitary Products
DEX048 (4.0 Ton)
Air on
Evaporator Coil
Temperature of Air on Condenser Coil
Net
Capacity
1
(MBh)
1. These capacities are Net Capacities.
Total
Input
(kW)
2
2. These ratings include the compressor, condenser fan and supply air blower motors.
Sensible Capacity (MBh)
Net
Capacity
1
(MBh)
Total
Input
(kW)
2
Sensible Capacity (MBh)
CFM
WB
(°F)
Return Dry Bulb (°F) Return Dry Bulb (°F)
90 85 80 75 70 65 90 85 80 75 70 65
75°F 85°F
1050
77 47.3 2.2 23.6 19.9 16.0 - - - 44.7 2.4 22.6 18.6 14.6 - - -
72 43.7 2.1 30.5 26.1 21.8 17.5 - - 41.1 2.4 29.4 25.0 20.6 16.2 - -
67 40.1 2.1 37.3 32.3 27.6 22.9 18.1 - 37.5 2.4 36.1 31.4 26.6 21.8 17.0 -
62 35.9 2.1 35.9 35.9 33.2 28.9 24.6 20.3 33.8 2.4 33.8 33.8 32.1 27.7 23.3 18.9
57 35.5 2.1 35.5 35.5 35.5 30.9 26.3 21.6 33.4 2.4 33.4 33.4 33.4 28.8 24.2 19.7
1600
77 66.0 3.6 30.9 26.5 21.0 - - - 62.1 3.8 29.9 24.5 19.1 - - -
72 61.0 3.5 42.4 36.3 30.1 24.0 - - 57.3 3.7 40.7 34.6 28.5 22.3 - -
67 56.0 3.4 53.9 46.0 39.2 32.4 25.7 - 52.5 3.6 51.5 44.7 37.9 31.1 24.3 -
62 51.7 3.3 51.7 51.7 48.9 41.6 34.2 26.8 48.7 3.5 48.7 48.7 47.2 39.8 32.4 24.9
57 50.8 3.2 50.8 50.8 50.7 43.0 35.4 27.7 47.8 3.5 47.8 47.8 47.7 40.2 32.6 25.1
95°F 105°F
1050
77 42.1 2.7 21.6 17.3 13.2 - - - 38.2 3.1 22.1 16.4 12.0 - - -
72 38.5 2.7 28.3 23.8 19.4 14.9 - - 35.1 3.0 27.0 22.6 18.2 13.7 - -
67 35.0 2.7 35.0 30.4 25.6 20.7 15.9 - 31.9 3.0 31.9 28.8 24.3 19.8 15.3 -
62 31.8 2.7 31.8 31.8 30.9 26.4 22.0 17.5 29.1 3.0 29.1 29.1 28.7 24.2 19.7 15.3
57 31.3 2.7 31.3 31.3 31.3 26.8 22.2 17.7 29.0 3.0 29.0 29.0 29.0 24.2 19.4 14.6
1600
77 58.1 4.2 29.0 22.5 17.1 - - - 53.4 4.5 30.3 21.0 15.7 - - -
72 53.6 4.1 39.0 32.9 26.8 20.7 - - 49.0 4.4 37.5 31.4 25.3 19.3 - -
67 49.0 4.0 49.0 43.4 36.5 29.7 22.9 - 44.6 4.3 44.6 41.8 34.9 28.1 21.2 -
62 45.6 3.9 45.6 45.6 45.5 38.0 30.5 23.0 41.6 4.2 41.6 41.6 41.6 34.1 26.6 19.2
57 44.9 3.9 44.9 44.9 44.8 37.4 29.9 22.4 41.4 4.2 41.4 41.4 41.3 34.0 26.7 19.3
115°F
1050
77 34.3 3.4 22.6 15.4 10.8 - - -
72 31.6 3.4 25.7 21.3 16.9 12.6 - -
67 28.9 3.3 28.9 27.2 23.1 18.9 14.7 -
62 26.4 3.3 26.4 26.4 26.4 22.0 17.5 13.0
57 26.7 3.3 26.7 26.7 26.7 21.6 16.5 11.4
1600
77 48.7 4.9 31.7 19.6 14.4 - - -
72 44.4 4.8 36.0 29.9 23.8 17.8 - -
67 40.2 4.8 40.2 40.2 33.3 26.4 19.5 -
62 37.7 4.6 37.7 37.7 37.7 30.2 22.8 15.3
57 37.9 4.6 37.9 37.9 37.9 30.6 23.4 16.2