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Installation (Applicable to all Models)
11 Liebert
®
Challenger 3000
™
Figure 4 Piping connections for air-cooled units - Downflow models
Chilled Water Unit Connection Sizes—in.
Model No. BF/BU
(50 Hz)
Supply Line
CWS
Return Line
CWR
068C (072C) 1-1/8 1-1/8
102C (101C) 1-1/8 1-1/8
Table 2 Piping connection size (continued)
PIPING OUTLET LOCATIONS
(See Cabinet and Floor Planning
Dimensional Data for Piping
Opening Sizes.)
Liebert iCOM
Control Panel
Condensate Drain 3/4" FPT
Field-pitch a minimum of 1/8" (3.2mm)
per foot (305mm). The drain line
must comply with all applicable codes.
Humidifier Water Supply Line
1/4" OD CU
Hot Gas Refrigerant Line
5/8" OD CU on Models BF042A/BF040A
7/8" OD CU on Models BF067A/BF065A
Hot Water Return
5/8" OD CU (optional)
Liquid Refrigerant Line
3/8" OD CU on Models BF042A/BF040A
1/2" OD CU on Models BF067A/BF065A
Hot Water Supply
5/8" OD CU (optional)
DPN000353
Rev. 1