Emerson ITR manual Capacity, kg/hr lb/hr

			System Data
Table 9	Liebert Challenger ITR water cooled data, 50 Hz (continued)
System Type		Self-Contained	Split Systems
Indoor Unit		BR 070WG	BR 059E
Infrared Humidifier - Standard
	Capacity - kg/hr (lb/hr)	5 (11)	5 (11)
	kW	4.8	4.8
Steam Generating Humidifier - Optional
	Capacity, kg/hr (lb/hr)	5 (11)	5 (11)
	kW	3.9	3.9
Filter Section - Efficiencies per ASHRAE 52.1 - Disposable Type
20% efficiencies available in 51mm (2") - Standard, or optional 102mm (4") depths; other optional 102mm (4") efficiencies
are: 30%, 40-45%, 60-65%
	Nominal Size, mm (in.)	724 x 749	724 x 749
		(28.5 x 29.5)	(28.5 x 29.5)
	Effective Surface Area, m2 (ft2)	2.2 (24.1)	2.2 (24.1)
Water Regulating Valve
	Size, in	1	1
Water Requirements (Coaxial Condenser)			MC_68W
	THR - kW (BTU/H) @ 22.2°C (75°F), 50% RH	23.8 (81,200)	23.2 (79,200)
18.3°C (65°F) EWT - 40.6°C (105°F) Cond Temp
	Flow Rate, l/s (GPM)	.34 (5.4)	.33 (5.2)
	Pressure Drop, kPa (PSI)	5.7 (0.8)	7.8 (1.1)
23.9°C(75°F) EWT - 40.6°C (105°F) Cond Temp
	Flow Rate, l/s (GPM)	.48 (7.6)	.47 (7.4)
	Pressure Drop, kPa (PSI)	10.7 (1.6)	14.3 (2.1)
29.4°C (85°F) EWT - 46.1°C (115°F) Cond Temp
	Flow Rate, l/s (GPM)	.61 (9.7)	.59 (9.4)
	Pressure Drop, kPa (PSI)	16.7 (2.4)	22.7 (3.3)
Connection Sizes Challenger ITR 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 CD Cu
	Humidifier Supply Line	1/4 OD Cu	1/4 OD Cu
	Condensate Drain Line	1/2 FPT	1/2 FPT
Connection Sizes Remote 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 CD Cu

Self-contained unit pressure drops based on two-way valve with bypass. Split system unit pressure drops based on two-way or three-way valve.

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