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Table 6 Liebert Challenger ITR water cooled data, 60 Hz
System Type
BR = Horizontal Flow
Self-Contained Split Systems
Indoor Unit BR 071WG BR 060E
Net Capacity Data BTU/H kW BTU/H kW
100°F DB, 70°F WB (37.8°C DB, 21.1°C WB) 20% RH
Total 82,900 24.3 79,000 23.1
Sensible 82,900 24.3 79,000 23.1
Non-Standard Flow Rates 2600 CFM 2400 CFM
95°F DB, 68.3°F WB (35°C DB, 20.2°C WB) 24% RH
Total 80,400 23.6 78,400 23.0
Sensible 80,400 23.6 78,400 23.0
90°F DB, 66.5°F WB (32°C DB, 19.2°C WB) 28% RH
Total 76,200 22.3 74,400 21.8
Sensible 76,200 22.3 74,400 21.8
85°F DB, 64.4°F WB (29.4°C DB, 18°C WB) 32% RH
Total 72,300 21.2 70,300 20.6
Sensible 72,300 21.2 70,300 20.6
80
°
F DB, 62.7
°
F WB (26.7
°
C DB, 17.1
°
C WB) 38% RH
Total 68,400 20.0 66,500 19.5
Sensible 68,400 20.0 66,500 19.5
80°F DB, 66.5°F WB (26.7°C DB, 19.2°C WB) 50% RH
Total 69,900 20.5 67,600 19.8
Sensible 55,700 16.3 54,900 16.1
75°F DB, 62.5°F WB (23.9°C DB, 16.9°C WB) 50% RH
Total 65,200 19.1 63,100 18.5
Sensible 54,000 15.8 53,200 15.6
75°F DB, 61.1°F WB (23.9°C DB, 16.2°C WB) 45% RH
Total 63,600 18.6 61,500 18.0
Sensible 58,000 17.0 57,100 16.7
72°F DB, 60.1°F WB (22.2°C DB, 15.6°C WB) 50% RH
Total 62,500 18.3 60,500 17.7
Sensible 53,000 15.5 52,100 15.3
72°F DB, 58.7°F WB (22.2°C DB, 14.8°C WB) 45% RH
Total 61,100 17.9 59,200 17.3
Sensible 56,700 16.6 55,900 16.4
Fan Data (Blower A12x9AT)**
Standard Air, CFM (CMH) 2800 (4760) 2800 (4760)
Standard Fan Motor, hp (kW) 1-1/2 (1.1) 1-1/2 (1.1)
Opt Fan Motor, hp (kW) 2 (1.5) 2 (1.5)
Ext Static, in. WG (Pa) .3 (75) .3 (75)
Evaporator Coil (V-Frame, at standard conditions)
Face Area, ft.
2
(m
2
) 6.67 (.62) 6.67 (.62)
Rows 4 4
Face Velocity, FPM (m/s) 405 (2.1) 405 (2.1)
Electric Reheat 2 Stage (Stainless Steel, Fin Tubular) - Standard
Capacity, inc. motor heat, BTU/H (element kW) 56,200 (15) 56,200 (15)
Hot Water Reheat 180°F (82.2°C) EWT, 75°F (23.9°C) EAT - Optional (includes std air volume and opt fan motor hp)
Capacity, inc. motor heat, BTU/H (kW) 88,700 (26.0) 88,700 (26.0)
Flow Rate, GPM (l/s) 5.0 (.32) 5.0 (.32)
Pressure drop, ft. (kPa) 16.9 (50.4) 16.9 (50.4)
Hot Gas Reheat - Optional (Includes standard air volume and optional fan motor)
Capacity, inc. motor heat, BTU/H (kW) 54,900 (16.1) 54,900 (16.1)
* The net capacity data has fan motor heat factored in for all ratings and the entering air condition of 72°F (22.2°C) and 50% RH is the standard rating for
ASHRAE 127-2001.All capacities are nominal values; actual performance will be ±5%.
** Data rated with 2" 20% ASHRAE filter. Some options or combinations of options may result in reduced airflow. Consult factory for recommendations.