Vertiv | Liebert PEX+ Chilled Water | User Manual 21
Installation
The following points should be considered before checking out the overall layout diagram of an entire system
as an example of single system.
• : Factory piping
• : Field piping (by technical personnel)
• Components (marked with *) are not supplied by Vertiv Co. but are recommended for proper circuit
operation and maintenance.
• After the installation, exhaust the PAC unit before filling water to ensure the eiciency of the coil.
• In winter, the PAC unit does not operate for a long term; empty the water in PAC unit to protect the heat
exchanger from frost cracking.
2.3. Mechanical Installation
2.3.1. Indoor Unit Size and Weight (Product Dimension)
The dimensions and operational weight of the indoor units are depicted in Figure 2-9 & Figure 2-10 and
Table 2-2 respectively.
Figure 2-9 Upflow Indoor Unit