Emerson ITR Manuel D’Utilisation

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)

4.8

Steam Generating Humidifier - Optional

Capacity, lb/hr (kg/hr)

11 (5)

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

)

24.1 (2.2)

Glycol Regulating Valve

Size, in

Econ-O-Valve

Size, in

—

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)

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

Condenser Return

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

Condensate Drain Line

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

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)

Glycol Pump, 3-phase hp (kW)

3/4 (.56)

1.5 (1.1)

Head, ft. (kPa)

69 (205.9)

88 (262.6)

Pump Suction and Discharge NPT, female

1-1/4 & 3/4

* All data above is based on 40% ethylene glycol solution.