Technical Guide
718444-YTG-E-0613
Johnson Controls Unitary Products 37
DNQ048 (4.0 Ton)
Air on
Evaporator Coil
Temperature of Air on Condenser Coil
Net
Capacity
1
(MBh)
Total
Input
(kW)
2
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
1400
77 58.8 2.6 31.6 26.4 20.6 - - - 56.2 3.0 31.9 25.9 20.1 - - -
72 55.0 2.6 40.1 34.3 28.5 22.7 - - 52.6 3.0 39.6 33.8 27.9 22.0 - -
67 51.2 2.6 48.6 42.2 36.4 30.6 24.8 - 49.0 3.0 47.3 41.6 35.7 29.8 24.0 -
62 45.7 2.6 45.7 45.7 44.3 38.6 32.8 27.0 45.7 2.9 45.7 45.7 43.2 37.3 31.5 25.6
57 45.6 2.5 45.6 45.6 41.7 35.9 30.2 24.4 44.2 2.9 44.2 44.2 40.7 34.8 29.0 23.1
1500
77 58.8 2.6 32.5 27.5 21.2 - - - 56.0 3.0 33.2 26.8 20.5 - - -
72 55.0 2.6 41.9 35.6 29.4 23.2 - - 52.4 3.0 41.0 34.8 28.5 22.3 - -
67 51.2 2.6 51.2 43.8 37.6 31.4 25.2 - 48.8 3.0 48.8 42.8 36.5 30.3 24.0 -
62 45.7 2.6 45.7 45.7 45.7 39.6 33.4 27.2 45.5 3.0 45.5 45.5 44.2 38.0 31.7 25.5
57 45.6 2.5 45.6 45.6 43.1 36.9 30.7 24.5 44.1 2.9 44.1 44.1 41.6 35.4 29.1 22.9
1650
72 55.0 2.6 44.3 37.6 30.9 24.2 - - 52.0 3.0 43.4 36.7 29.9 23.2 - -
67 51.2 2.6 51.2 46.7 39.5 32.8 26.1 - 48.5 3.0 48.5 45.1 38.3 31.6 24.8 -
62 45.7 2.6 45.7 45.7 45.7 39.1 32.4 25.7 45.2 3.0 45.2 45.2 44.5 37.8 31.0 24.2
57 45.6 2.5 45.6 45.6 44.3 37.6 30.9 24.2 43.8 2.9 43.8 43.8 42.5 35.8 29.0 22.2
1800
72 54.9 2.6 46.7 39.6 32.4 25.2 - - 51.6 3.0 45.9 38.6 31.3 24.0 - -
67 51.1 2.6 51.1 49.7 41.4 34.2 27.0 - 48.1 3.0 48.1 47.4 40.1 32.8 25.6 -
62 45.7 2.6 45.7 45.7 45.7 38.5 31.4 24.2 44.8 2.9 44.8 44.8 44.8 37.6 30.3 23.0
57 45.6 2.5 45.6 45.6 45.6 38.4 31.2 24.0 43.4 2.9 43.4 43.4 43.4 36.2 28.9 21.6
95°F 105°F
1400
77 53.5 3.4 32.2 25.5 19.6 - - - 50.4 3.8 32.6 24.5 18.5 - - -
72 50.2 3.3 39.2 33.2 27.3 21.4 - - 47.3 3.8 38.3 32.2 26.2 20.2 - -
67 46.8 3.3 46.1 41.0 35.0 29.1 23.1 - 44.3 3.8 43.9 40.0 34.0 27.9 21.9 -
62 45.6 3.3 45.6 45.6 42.1 36.1 30.2 24.3 43.6 3.7 43.6 43.2 39.0 33.0 27.0 20.9
57 42.9 3.3 42.9 42.9 39.6 33.7 27.8 21.8 42.5 3.7 42.5 42.1 38.0 32.0 26.0 20.0
1500
77 53.1 3.4 33.9 26.1 19.8 - - - 49.9 3.8 35.2 25.2 18.8 - - -
72 49.8 3.3 40.2 33.9 27.6 21.4 - - 46.8 3.8 39.5 33.1 26.7 20.3 - -
67 46.4 3.3 46.4 41.7 35.5 29.2 22.9 - 43.8 3.7 43.8 41.0 34.6 28.2 21.8 -
62 45.2 3.3 45.2 45.2 42.6 36.3 30.1 23.8 43.1 3.7 43.1 43.1 39.7 33.3 26.9 20.5
57 42.5 3.3 42.5 42.5 40.1 33.9 27.6 21.3 42.0 3.7 42.0 42.0 38.7 32.3 25.9 19.5
1650
72 49.1 3.3 42.6 35.8 28.9 22.1 - - 45.8 3.8 41.3 34.7 27.8 20.9 - -
67 45.7 3.3 45.7 43.4 37.1 30.3 23.5 - 42.8 3.7 42.8 41.4 36.0 29.1 22.1 -
62 44.6 3.3 44.6 44.6 43.3 36.5 29.6 22.8 42.2 3.7 42.2 42.2 40.4 33.5 26.6 19.6
57 41.9 3.3 41.9 41.9 40.7 33.9 27.1 20.3 41.1 3.7 41.1 41.1 39.4 32.5 25.5 18.6
1800
72 48.3 3.3 45.0 37.6 30.2 22.9 - - 44.8 3.8 43.1 36.4 28.9 21.5 - -
67 45.1 3.3 45.1 45.1 38.8 31.5 24.1 - 41.9 3.7 41.9 41.9 37.5 30.0 22.5 -
62 44.0 3.3 44.0 44.0 44.0 36.6 29.2 21.8 41.2 3.7 41.2 41.2 41.2 33.7 26.3 18.8
57 41.3 3.3 41.3 41.3 41.3 33.9 26.6 19.2 40.1 3.7 40.1 40.1 40.1 32.6 25.2 17.7