Vertiv™ | Liebert® AHU | User Manual 25
Note: The following points need to be taken into consideration during the piping process:
1. The selection, layout, and fixing of the pipes should comply to the industry standards and norms
2. When connecting the drain pipe, ensure that the water pipe is installed reliably and does not leak water.
No. Description No. Description
1 From the upper section water pan 2 Clamp
3 Flange 4 Gasket
Figure 2-21 Connection of the Drain Pipe of Condensate Water
2.3.9. Installation Inspection
Table 2-5 Installation Inspection Checklist
Check Items Results
Leave enough space around the unit for maintenance
The equipment is installed vertically, and the installation fasteners have been fixed
The ball valves of the unit have been fully opened
All pipe joints are tightened
Fasteners for transportation have been removed
Irrelevant things (such as transportation material, structure material, and tools) inside or around the
equipment has been cleared after the equipment is installed
The airflow distribution system has been installed in each room (e.g. raised floor/grill, duct, etc.)
The upflow unit must have a plenum or air duct connection, and after installation the fan and heater shall
not be accessible
Everything is checked and verified, follow the electrical installation.
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