Emerson ITR Manuel D’Utilisation

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)

4.8

Steam Generating Humidifier - Optional

Capacity, kg/hr (lb/hr)

5 (11)

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

(28.5 x 29.5)

724 x 749

(28.5 x 29.5)

724 x 749

(28.5 x 29.5)

Effective Surface Area, m

(ft

)

2.2 (24.1)

Glycol Regulating Valve

Size, in

Econ-O-Valve

Size, in

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)

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

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

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 CD Cu

Drycooler 35°C (95°F) Ambient*

Model Number

DSF112-3PH

DSF174-3PH

DSF112-3PH

Drycooler Connections

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)

Glycol Pump - 3-Phase kW (hp)

1.1 (1.5)

Head, kPa (ft.)

262.6 (88.0)

Pump Suction and Discharge NPT, female

1-1/4 & 3/4

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