Liebert PX018 Installer's/User's Manual page 32

Figure 5.1 Correct and Incorrect gravity drains for downflow and upflow units
Vertiv | Liebert® PDX™ and PCW™ Installer/User Guide |
Table 5.3 Gravity-fed Drain Line Figure Descriptions
Item Description
1 For downflow units with discharge into a raised floor
2 For upflow and for downflow units with discharge to the front or side
3 Correct drain installation
4 Incorrect drain installation
Internal drain and trap
5
NOTE: Units equipped with a condensate pump do not have an internal trap.
6 External drain
7 Continuous downward slope
8 External trap. Do not trap externally.
9 External traps, although unintentional. Lines must be rigid enough not to bow.
10 Internal drain and trap location. Drain and trap not shown in this view.
32