Emerson Liebert Challenger ITR - Manual (Page 42)

System Data
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Table 12 Liebert Challenger ITR glycol cooled data, 50 Hz
System Type
BR = Horizontal Flow
BM = Horizontal Flow with Econ-O-Coil
Glycol Cooled GLYCOOL
Self-Contained Split Systems Self Contained
Indoor Unit BR 070WG BR 059E BM 058G
Net Capacity Data kW BTU/H kW BTU/H kW BTU/H
37.8ºC DB, 21.1ºC WB (100ºF DB, 70ºF WB) 20% RH
Total 20.3 69,300 20.8 70,900 18.8 64,100
Sensible 20.3 69,300 20.8 70,900 18.8 64,100
Non Standard Flow Rates 1900 CFM, 24.5 GPM 2100 CFM 2000 CFM, 22.5 GPM
35ºC DB, 20.2ºC WB (95ºF DB, 68.3ºF WB) 24% RH
Total 19.6 66,800 20.7 70,800 17.8 60,600
Sensible 19.6 66,800 20.7 70,800 17.8 60,600
Non Standard Flow Rates 2000 CFM, 23.5 GPM 2500 CFM 2000 CFM, 20.5 GPM
32.2ºC DB, 19.2ºC WB (90ºF DB, 66.5ºF WB) 28% RH
Total 18.5 63,000 19.9 67,800 16.8 57,300
Sensible 18.5 63,000 19.9 67,800 16.8 57,300
Non Standard Flow Rates 2000 CFM, 21.5 GPM 2000 CFM
29.4ºC DB, 18ºC WB (85ºF DB, 64.4ºF WB) 32% RH
Total 17.9 61,200 18.8 64,200 16.9 57,700
Sensible 17.9 61,200 18.8 64,200 16.9 57,700
Non Standard Flow Rates 2200 CFM, 19.5 GPM 2400 CFM
26.7ºC DB, 17.1ºC WB (80ºF DB, 62.7ºF WB) 38% RH
Total 17.1 58,400 17.7 60,500 16.4 55,900
Sensible 17.1 58,400 17.7 60,500 16.4 55,900
Non Standard Flow Rates 2300 CFM
26.7ºC DB, 19.2ºC WB (80ºF DB, 66.5ºF WB) 50% RH
Total 17.2 58,800 18.0 61,400 16.8 57,400
Sensible 12.7 43,200 14.8 50,500 13.5 46,000
Non Standard Flow Rates 2000 CFM 2400 CFM
23.9ºC DB, 16.9ºC WB (75ºF DB, 62.5ºF WB) 50% RH
Total 16.7 57,000 16.8 57,200 15.9 54,100
Sensible 14.3 48,800 14.3 48,900 13.7 46,800
23.9ºC DB, 16.2ºC WB (75ºF DB, 61.1ºF WB) 45% RH
Total 16.7 56,900 16.3 55,800 15.4 52,700
Sensible 16.7 56,900 15.4 52,600 15.4 52,700
22.2ºC DB, 15.6ºC WB (72ºF DB, 60.1ºF WB) 50% RH
Total 16.0 54,600 16.1 54,800 15.2 51,800
Sensible 14.0 47,900 14.0 47,900 13.4 45,800
22.2ºC DB, 14.8ºC WB (72ºF DB, 58.7ºF WB) 45% RH
Total 16.1 54,800 16.1 55,000 14.9 50,700
Sensible 16.1 54,800 16.1 55,000 14.9 50,700
GLYCOOL Coil Sensible Capacity
23.9°C DB, 16.9°C WB (75°F DB, 62.5°C WB) 10°C (45°F) EGT
14 47,700.0
Fan Data (Blower A12x9AT)**
Standard Air, CMH (CFM) 4420 (2600) 4420 (2600) 4420 (2600)
Standard Fan Motor, kW (hp) 1.1 (1-1/2) 1.1 (1-1/2) 1.5 (2)
Optional Fan Motor, kW (hp) 1.5 (2) 1.5 (2) N/A
Ext Static, Pa (in. WG) 75 (.3) 75 (.3) 75 (.3)
Evaporator Coil (V-Frame, at standard conditions)
Face Area, m 2 (ft. 2 ) .62 (6.67) .62 (6.67) .62 (6.67)
Rows 4 4 4
Face Velocity, m/s (FPM) 1.9 (375) 1.9 (375) 1.9 (375)
Electric Reheat 2 Stage (Stainless Steel, Fin Tubular) - Standard
Capacity, element kW (inc. motor heat, BTU/H) 15 (56,200) 15 (56,200) 15 (56,200)
Hot Water Reheat 82.2°C (180°F) EWT, 23.9°C (75°F) EAT - Optional (Includes standard air volume and optional fan motor hp)
Capacity, inc. motor heat, kW (BTU/H) 25.3 (86,200) 25.3 (86,200) 25.3 (86,200)
Flow Rate, l/s (GPM) .32 (5.0) .32 (5.0) .32 (5.0)
Pressure drop, kPa (ft.) 50.4 (16.9) 50.4 (16.9) 50.4 (16.9)
Hot Gas Reheat - Optional (Includes standard air volume and optional fan motor)
Capacity, kW (BTU/H) (includes motor heat) 15.0 (51,300) 15.0 (51,300) 15.0 (51,300)
* 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%. All data above is based on 40% ethylene glycol solution.
** Data rated with 2" 20% ASHRAE filter. Some options or combinations of options may result in reduced airflow. Consult factory for
recommendations.