Emerson ITR manual Indoor Unit, Steam Generating Humidifier Optional

			System Data
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	28.5 x 29.5	28.5 x 29.5
	(724 x 749)	(724 x 749)	(724 x 749)
Effective Surface Area, ft2 (m2)	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.

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