Vertiv Liebert CRV - Page 71

Connecting Gravity-drain Line onChilled-water,300-mm(12-in.)Models
1. Remove the factory-supplied hose barb, bushing and trap that are tied to piping inside the
unit.
2. Remove the knockout in the plate in the bottom of the unit, and insert the bushing into the
knockout.
3. Insert factory-supplied drain trap through bushing with 90-degree barb inside the unit and
the trap beneath the unit.
4. Connect the barb to the factory-installed condensate line.
Figure 6.17 Gravity drain-line connection on Chilled-water, 300-mm (12-in.) units
ITEM DESCRIPTION
1 Condensate drain (factory-installed)
2 Bushing (field-installed after knockout removed)
3 Knockout location below drain tubing (not visible in figure)
4 Connect to field-supplied drain line
5 90-degree hose barb
6 Condensate drain and trap under units without a condensate-drain pump
7 Condensate drain tubing routed through bushing/knockout
Vertiv | Liebert CRV Installer/User Guide | 71