Emerson ITR manual Water Regulating Valve, Water Requirements Coaxial Condenser

			System Data
Table 7	Liebert Challenger ITR water cooled data, 60 Hz (continued)
System Type		Self-Contained	Split Systems
Indoor Unit		BR 071WG	BR 060E
Infrared Humidifier - Standard
	Capacity, lb/hr (kg/hr)	11 (5)	11 (5)
	kW	4.8	4.8
Steam Generating Humidifier - Optional
	Capacity, lb/hr (kg/hr)	11 (5)	11 (5)
	kW	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, in. (mm)	28.5 x 29.5	28.5 x 29.5
		(724 x 749)	(724 x 749)
	Effective Surface Area, ft2 (m2)	24.1 (2.2)	24.1 (2.2)
Water Regulating Valve
	Size, in.	1	1
Water Requirements (Coaxial Condenser)			MC_69W
	THR - BTU/H (kW) @ 75°F (22.2°C), 50% RH	82,000 (24.0)	81100 (23.8)
65°F (18.3°C) EWT - 105°F (40.6°C) Cond Temp
	Flow Rate, GPM (l/s)	5.4 (.34)	5.4 (.34)
	Pressure Drop, PSI (kPa)	0.9 (6.2)	1.2 (8.1)
75°F (23.9°C) EWT - 105°F (40.6°C) Cond Temp
	Flow Rate, GPM (l/s)	7.7 (.49)	7.6 (.48)
	Pressure Drop, PSI (kPa)	1.6 (11.0)	2.2 (15.2)
85°F (29.4°C) EWT - 115°F (46.1°C) Cond Temp
	Flow Rate, GPM (l/s)	9.9 (.62)	9.7 (.61)
	Pressure Drop, PSI (kPa)	2.5 (17.2)	3.5 (24.2)
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 OD 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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