Technical Guide
718444-YTG-E-0613
Johnson Controls Unitary Products 35
DNQ042 (3.5 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
1225
77 56.1 2.4 29.5 24.5 19.3 - - - 51.8 2.7 28.3 22.6 17.4 - - -
72 51.6 2.4 36.9 31.7 26.4 21.2 - - 48.1 2.7 35.3 30.1 24.8 19.6 - -
67 47.2 2.4 44.3 38.9 33.6 28.4 23.1 - 44.4 2.7 42.4 37.5 32.3 27.0 21.8 -
62 42.1 2.3 42.1 41.8 36.7 31.4 26.2 20.9 40.5 2.7 40.5 40.3 36.9 31.7 26.4 21.2
57 42.9 2.4 42.9 42.9 39.8 34.5 29.3 24.1 40.0 2.7 40.0 40.0 37.5 32.3 27.0 21.8
1400
77 56.2 2.4 31.6 26.1 20.2 - - - 52.9 2.7 31.1 24.4 18.5 - - -
72 51.8 2.4 39.5 33.6 27.7 21.9 - - 49.1 2.7 38.2 32.3 26.4 20.4 - -
67 47.4 2.4 47.4 41.1 35.2 29.4 23.5 - 45.3 2.7 45.3 40.2 34.2 28.3 22.4 -
62 42.2 2.4 42.2 42.2 38.4 32.5 26.6 20.7 41.3 2.7 41.3 41.3 39.2 33.3 27.3 21.4
57 43.0 2.4 43.0 43.0 41.7 35.8 30.0 24.1 40.9 2.7 40.9 40.9 39.8 33.9 28.0 22.0
1575
72 51.4 2.4 42.3 35.9 29.5 23.1 - - 48.9 2.7 41.0 34.6 28.1 21.6 - -
67 46.9 2.4 46.9 43.8 37.5 31.1 24.7 - 45.1 2.7 45.1 42.5 36.5 30.1 23.6 -
62 41.8 2.4 41.8 41.8 39.9 33.5 27.1 20.7 41.1 2.7 41.1 41.1 40.1 33.6 27.1 20.7
57 42.6 2.4 42.6 42.6 42.0 35.6 29.2 22.8 40.7 2.7 40.7 40.7 40.2 33.7 27.2 20.8
1750
72 50.9 2.4 45.1 38.2 31.3 24.4 - - 48.7 2.7 43.9 36.9 29.9 22.9 - -
67 46.5 2.4 46.5 46.5 39.7 32.9 26.0 - 44.9 2.7 44.9 44.9 38.8 31.8 24.8 -
62 41.4 2.4 41.4 41.4 41.4 34.5 27.6 20.8 41.0 2.7 41.0 41.0 41.0 34.0 27.0 20.0
57 42.2 2.4 42.2 42.2 42.2 35.4 28.5 21.6 40.5 2.7 40.5 40.5 40.5 33.5 26.5 19.5
95°F 105°F
1225
77 47.6 3.0 27.1 20.8 15.5 - - - 46.1 3.4 28.7 21.2 15.7 - - -
72 44.6 3.0 33.8 28.5 23.2 17.9 - - 42.6 3.4 33.6 28.2 22.9 17.5 - -
67 41.5 3.0 40.4 36.2 30.9 25.6 20.4 - 39.0 3.3 38.5 35.2 30.0 24.6 19.3 -
62 38.8 3.0 38.8 38.8 37.2 31.9 26.7 21.4 37.4 3.3 37.4 37.0 34.4 29.1 23.7 18.4
57 37.2 3.0 37.2 37.2 35.3 30.0 24.7 19.4 35.4 3.3 35.4 35.4 33.5 28.1 22.8 17.4
1400
77 49.6 3.0 30.7 22.7 16.7 - - - 47.2 3.4 33.2 23.1 16.8 - - -
72 46.4 3.0 36.9 31.0 25.0 19.0 - - 43.5 3.3 36.6 30.5 24.4 18.4 - -
67 43.2 3.0 43.2 39.2 33.3 27.3 21.3 - 39.9 3.3 39.9 37.9 32.0 26.0 19.9 -
62 40.4 3.0 40.4 40.4 40.0 34.0 28.1 22.1 38.3 3.3 38.3 38.3 36.8 30.8 24.7 18.6
57 38.7 3.0 38.7 38.7 37.9 32.0 26.0 20.0 36.1 3.3 36.1 36.1 35.8 29.7 23.6 17.6
1575
72 46.5 3.0 39.8 33.3 26.7 20.2 - - 43.9 3.4 39.3 32.7 26.1 19.5 - -
67 43.3 3.0 43.3 41.3 35.6 29.0 22.5 - 40.3 3.3 40.3 39.3 34.2 27.6 20.9 -
62 40.5 3.0 40.5 40.5 40.3 33.7 27.2 20.6 38.6 3.3 38.6 38.6 37.9 31.3 24.7 18.1
57 38.8 3.0 38.8 38.8 38.4 31.8 25.3 18.7 36.5 3.3 36.5 36.5 36.3 29.7 23.1 16.4
1750
72 46.5 3.0 42.7 35.6 28.4 21.3 - - 44.4 3.4 42.1 34.9 27.7 20.5 - -
67 43.3 3.0 43.3 43.3 37.9 30.8 23.7 - 40.6 3.3 40.6 40.6 36.3 29.2 22.0 -
62 40.5 3.0 40.5 40.5 40.5 33.4 26.3 19.2 39.0 3.3 39.0 39.0 39.0 31.8 24.6 17.5
57 38.8 3.0 38.8 38.8 38.8 31.7 24.6 17.5 36.9 3.3 36.9 36.9 36.9 29.7 22.5 15.3