TC = Total Cooling
SC = Sensible Cooling
THR = Total Heat Rejection
(1) All data quoted is gross
(2) Interpolate for water temperatures between those quoted, do not extrapolate
(3) Water ow rate (l/s) = THR/(4.19*ΔT) at 100% Water; for glycol use refer to Ethylene Glycol Correction Factors section
Technical Data Downow Units WX Type
Performance Data
Indoor Air Temperature
+18°C to +28°C
Indoor RH%
+40% to +55%
Condenser Minimum Entering Temperature °C
+25°C
Condenser Maximum Leaving Water Temperature °C
+45°C
Operating Limits
101
Cooling Capacity (1)
Condenser Entering/Leaving Temperature - Based on 5°C ΔT
Air On 25°C/30°C 30°C/35°C 35°C/40°C 40°C/45°C
(DB°C/%RH) TC (kW) SC (kW)
THR
(kW) TC (kW) SC (kW)
THR
(kW) TC (kW) SC (kW)
THR
(kW) TC (kW) SC (kW)
THR
(kW)
DF31WX-EZRE
22/50 28.4 28.2 38.3 28.4 28.2 38.3 28.0 27.9 38.1 26.6 26.6 37.5
24/45 29.7 29.7 39.7 29.7 29.7 39.7 29.3 29.3 39.5 27.9 27.9 39.0
26/40 31.2 31.2 41.3 31.2 31.2 41.3 30.8 30.8 41.1 29.5 28.9 40.7
DF35WX-EZRE
22/50 32.9 32.5 44.3 32.9 32.5 44.3 32.4 32.1 44.1 30.8 30.6 43.4
24/45 34.5 34.5 46.0 34.5 34.5 46.0 34.0 34.0 45.7 32.4 32.4 45.1
26/40 36.3 36.3 47.9 36.3 36.3 47.9 35.8 35.6 47.7 34.5 33.1 47.4
DF40WX-EZRE
22/50 36.7 36.6 49.3 36.7 36.6 49.3 36.1 36.1 49.0 34.3 34.3 48.3
24/45 38.5 38.5 51.2 38.5 38.5 51.2 37.9 37.9 50.9 36.1 36.1 50.3
26/40 40.4 40.4 53.3 40.4 40.4 53.3 39.9 39.8 53.1 38.5 37.1 52.8
DF45WX-EZRE
22/50 41.4 39.2 55.6 41.4 39.2 55.6 40.8 38.8 55.3 38.8 37.3 54.5
24/45 43.2 42.9 57.4 43.2 42.9 57.4 42.5 42.4 57.1 40.5 40.5 56.4
26/40 45.1 45.1 59.4 45.1 45.1 59.4 44.4 44.4 59.2 42.5 42.5 58.5
DF50WX2-EZRE
22/50 48.2 45.1 65.7 48.2 45.1 65.7 47.4 44.5 65.3 45.0 42.9 64.4
24/45 50.2 49.3 67.8 50.2 49.3 67.8 49.4 48.6 67.4 47.0 46.7 66.4
26/40 52.3 52.3 70.0 52.3 52.3 70.0 51.4 51.4 69.6 49.0 49.0 68.6
DF55WX2-EZRE
22/50 54.5 48.8 74.2 54.5 48.8 74.2 53.5 48.2 73.7 50.8 46.5 72.6
24/45 56.6 53.7 76.5 56.6 53.7 76.5 55.6 53.0 76.0 52.8 51.1 74.8
26/40 58.7 58.7 78.7 58.7 58.7 78.7 57.6 57.6 78.1 54.8 54.8 77.0
DF60WX2-EZRE
22/50 61.5 54.3 84.0 61.5 54.3 84.0 60.3 53.6 83.5 57.2 51.7 82.3
24/45 63.8 59.6 86.5 63.8 59.6 86.5 62.6 58.8 85.9 59.4 56.8 84.7
26/40 66.1 65.2 88.9 66.1 65.2 88.9 64.8 64.3 88.3 61.6 61.6 87.1