Liebert challenger itr glycol cooled data, 60 hz – Emerson Liebert Challenger ITR User Manual
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System Data
33
Table 11
Liebert Challenger ITR glycol cooled data, 60 Hz (continued)
System Type
Glycol Cooled
GLYCOOL
Self-Contained
Split Systems
Self-Contained
Indoor Unit
BR 071WG
BR 060E
BM 061G
Infrared Humidifier - Standard
Capacity, lb/hr (kg/hr)
11 (5)
11 (5)
11 (5)
kW
4.8
4.8
4.8
Steam Generating Humidifier - Optional
Capacity, lb/hr (kg/hr)
11 (5)
11 (5)
11 (5)
kW
3.9
3.9
3.9
Filter Section - Efficiencies per ASHRAE 52.1 - Disposable Type
20% efficiencies available in 2" (51mm) - Standard, or optional 4" (102mm) Depths; other optional 4" (102mm) efficiencies
are: 30%, 40-45%, 60-65%
Nominal Size, inches (mm)
28.5 x 29.5
(724 x 749)
28.5 x 29.5
(724 x 749)
28.5 x 29.5
(724 x 749)
Effective Surface Area, ft
2
(m
2
)
24.1 (2.2)
24.1 (2.2)
24.1 (2.2)
Glycol Regulating Valve
Size, in
1
1
1
Econ-O-Valve
Size, in
—
—
1
Cv
—
—
13.9
System Data*
MC_*69WG
Flow Rate, GPM (l/s)
17.5 (1.1)
20 (1.3)
17.5 (1.1)
Unit Volume, gal (l)
2.0 (7.5)
2.0 (7.5)
4.0 (15.0)
Pressure Drop, ft. (kPa)
18.9 (56.4)
37.5 (111.9)
51.1 (152.5)
Connection Sizes Challenger ITR Unit
Condenser Supply
1-1/8 OD Cu
1-1/8 OD Cu
Condenser Return
1-1/8 OD Cu
1-1/8 OD Cu
Liquid Line
1/2 OD Cu
Suction Line
1-1/8 OD Cu
Humidifier Supply Line
1/4 OD Cu
1/4 OD Cu
1/4 OD Cu
Condensate Drain Line
1/2 FPT
1/2 FPT
1/2 FPT
Connection Sizes Condensing Unit
Condenser Supply
1-1/8 OD Cu
Condenser Return
1-1/8 OD Cu
Liquid Line
1/2 OD Cu
Suction Line
1-1/8 OD Cu
Drycooler 95°F (35°C) Ambient*
Model Number
DSF112-3PH
DSO174-3PH
DSO112-3PH
Drycooler Connections
2
2
2
Volume, gal. (l)
5.8 (22.0)
6.9 (26.2)
5.8 (22.0)
Pressure Drop, ft. (kPa)
2.4 (7.2)
3.1 (9.2)
2.4 (7.2)
Fan, hp (kW)
3/4 (.56)
3/4 (.56)
3/4 (.56)
Glycol Pump, 3-phase hp (kW)
3/4 (.56)
3/4 (.56)
1.5 (1.1)
Head, ft. (kPa)
69 (205.9)
69 (205.9)
88 (262.6)
Pump Suction and Discharge NPT, female
1-1/4 & 3/4
1-1/4 & 3/4
1-1/4 & 3/4
* All data above is based on 40% ethylene glycol solution.