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Installation
10
Figure 7 Piping connections for chilled water self-contained units
SL-11898 PG 9
Piping outlet locations through
the plenum are the same as the unit.
See below for descriptions and
connectoin sizes
Humidifier Water Supply
Line
1/4" OD CU
Condenser Re turn Line
7/8" OD CU on Models
BU046WG/BU045WG
1 1/8" OD CU on Models
BU071WG/BU070WG
Condensate Pump Line
Used only if optional condensate
pump is ordered
1/2" OD CU
Hot Water Return Line
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)
Monitoring Panel
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).
PIPING OUTLET LOCA TIONS
(See Cabinet and Floor Planning
Dimensional Data for Piping
Opening Sizes.)
UPFLOW (BU) MODELS