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Table 8
Liebert Challenger ITR water cooled data, 50 Hz
System Type
Indoor Unit
Net Capacity Data
37.8ºC DB, 21.1ºC WB (100ºF DB, 70ºF WB) 20% RH
35ºC DB, 20.2ºC WB (95ºF DB, 68.3ºF WB) 24% RH
32.2ºC DB, 19.2ºC WB (90ºF DB, 66.5ºF WB) 28% RH
29.4ºC DB, 18ºC WB (85ºF DB, 64.4ºF WB) 32% RH
26.7ºC DB, 17.1ºC WB (80ºF DB, 62.7ºF WB) 38% RH
26.7ºC DB, 19.2ºC WB (80ºF DB, 66.5ºF WB) 50% RH
23.9ºC DB, 16.9ºC WB (75ºF DB, 62.5ºF WB) 50% RH
23.9ºC DB, 16.2ºC WB (75ºF DB, 61.1ºF WB) 45% RH
22.2ºC DB, 15.6ºC WB (72ºF DB, 60.1ºF WB) 50% RH
22.2ºC DB, 14.8ºC WB (72ºF DB, 58.7ºF WB) 45% RH
Fan Data (Blower A12x9AT)**
Evaporator Coil (V-Frame, at standard conditions)
Electric Reheat 2 Stage (Stainless Steel, Fin Tubular) - Standard
Capacity, element kW (inc. motor heat, BTU/H)
Hot Water Reheat 82.2°C (180°F) EWT, 23.9°C (75°F) EAT - Optional (includes std air volume and opt fan motor hp)
Capacity, inc. motor heat, kW (BTU/H)
Hot Gas Reheat - Optional (includes standard air volume and optional fan motor)
Capacity, inc. motor heat, kW (BTU/H)
*
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.
BR = Horizontal Flow
Total
Sensible
Non Standard Flow Rates
Total
Sensible
Total
Sensible
Total
Sensible
Total
Sensible
Total
Sensible
Total
Sensible
Total
Sensible
Total
Sensible
Total
Sensible
Standard Air, CMH (CFM)
Standard Fan Motor, kW (hp)
Opt Fan Motor, kW (hp)
Ext Static Pa, (in. WG)
2
2
Face Area, m
(ft.
)
Rows
Face Velocity, m/s (FPM)
Flow Rate, l/s (GPM)
Pressure drop, kPa (ft.)
Self-Contained
BR 070WG
kW
BTU/H
24.0
81,800
24.0
81,800
2500 CFM
23.0
78,500
23.0
78,500
21.8
74,300
21.8
74,300
20.6
70,200
20.6
70,200
19.4
66,200
19.4
66,200
20.0
68,400
15.6
53,100
18.6
63,500
15.1
51,500
18.1
61,800
16.1
55,100
17.8
60,700
14.8
50,400
17.3
59,200
15.8
53,900
4420 (2600)
1.1 (1-1/2)
1.5 (2)
75 (.3)
.62 (6.67)
4
1.9 (375)
15 (56,200)
25.3 (86,200)
.32 (5.0)
50.4 (16.9)
15.0 (51,300)
30
System Data
Split Systems
BR 059E
kW
BTU/H
23.1
78,800
23.1
78,800
2400 CFM
22.4
76,500
22.4
76,500
21.2
72,400
21.2
72,400
20.0
68,300
20.0
68,300
18.9
64,500
18.9
64,500
19.4
66,100
15.3
52,300
18.0
61,400
14.8
50,600
17.5
59,800
15.9
54,300
17.2
58,700
14.5
49,600
16.8
57,400
15.6
53,100
4420 (2600)
1.1 (1-1/2)
1.5 (2)
75 (.3)
.62 (6.67)
4
1.9 (375)
15 (56,200)
25.3 (86,200)
.32 (5.0)
50.4 (16.9)
15.0 (51,300)
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