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Installation (Applicable to all Models)
15
Figure 9 Piping connections for water/glycol and GLYCOOL units - Upflow models
PIPING OUTLET LOCATIONS
(See Cabinet and Floor Planning
Dimensional Data for Piping
Opening Sizes.)
Piping outlet locations through the plenum
the same as the unit. See below for
descriptions and connection sizes.
Humidifier Water Supply Line
1/4" OD CU
Condenser Return Line
7/8" OD CU on Models BU046WG/BU045WG
1-1/8" OD CU on Models BU071WG/BU070WG
Condensate Pump Line
1/2" OD CU
Used only if optional condensate
pump is ordered.
Hot Water Return
5/8" OD CU (optional)
Condenser Supply Line
7/8" OD CU on Models BU046WG/BU045WG
1-1/8" OD CU on Models BU071WG/BU070WG
Hot Water Supply
5/8" OD CU (optional)
Liebert iCOM
Control
Condensate Drain
3/4" FPT
Field pitch a min. of 1/8" (3.2mm) per ft. (305mm). Units without
a condensate pump have a factory-supplied trap in the unit, so a
field trap should not be added. Units with a condensate pump will
require a field-supplied trap downstream from the pump. The
drain line must comply with all applicable codes. (If condensate
pump is ordered piping is out top of unit).
DPN000363
Rev. 01