Emerson ITR manual System Type Glycol Cooled, Drycooler 35C 95F Ambient, Glycol Pump 3-Phase kW hp

			System Data
Table 13 Liebert Challenger ITR glycol cooled data, 50 Hz (continued)
System Type	Glycol Cooled		GLYCOOL
	Self-Contained	Split Systems	Self-Contained
Indoor Unit	BR 070WG	BR 059E	BM 058G
Infrared Humidifier - Standard
Capacity, kg/hr (lb/hr)	5 (11)	5 (11)	5 (11)
kW	4.8	4.8	4.8
Steam Generating Humidifier - Optional
Capacity, kg/hr (lb/hr)	5 (11)	5 (11)	5 (11)
kW	3.9	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	724 x 749
	(28.5 x 29.5)	(28.5 x 29.5)	(28.5 x 29.5)
Effective Surface Area, m2 (ft2)	2.2 (24.1)	2.2 (24.1)	2.2 (24.1)
Glycol Regulating Valve
Size, in	1	1	1
Econ-O-Valve
Size, in	-	-	1
Cv	-	-	13.9
System Data*		MC_68WG
Flow Rate, l/s (GPM)	1.1 (17.5)	1.3 (20)	1.1 (17.5)
Unit Volume, liters (gallons)	7.5 (2.0)	7.5 (2.0)	15.0 (4.0)
Pressure Drop, kPa (ft.)	56.4 (18.9)	111.9 (37.5)	152.5 (51.1)
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 CD 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 CD Cu
Drycooler 35°C (95°F) Ambient*
Model Number	DSF112-3PH	DSF174-3PH	DSF112-3PH
Drycooler Connections	2	2	2
Volume, liters (gallons)	5.8 (22.0)	6.9 (26.2)	5.8 (22.0)
Pressure Drop, kPa (ft.)	7.2 (2.4)	9.2 (3.1)	7.2 (2.4)
Fan, kW (hp)	.56 (3/4)	.56 (3/4)	.56 (3/4)
Glycol Pump - 3-Phase kW (hp)	1.1 (1.5)	1.1 (1.5)	1.1 (1.5)
Head, kPa (ft.)	262.6 (88.0)	262.6 (88.0)	262.6 (88.0)
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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