Vertiv | Liebert PEX4 | User Manual 47
Installation
2.7.4. Removing Pipe Fasteners
To prevent the long copper pipes from scratching the metal plate and being damaged, the pipes are cushioned
with foam or bound before delivery. Remove those materials before power-on commissioning.
2.7.5. Installation Inspection
Table 2-15 Installation Inspection Checklist
Items Results
Leave enough space around the unit for maintenance.
The equipment is installed vertically, and the installation fasteners have been xed.
The pipes between the indoor unit and outdoor unit have been connected, and the
ball valves of the indoor unit and outdoor unit have been opened completely.
Condensate pump is installed (if required).
The drain pipe has been connected.
The water supply pipe for the Infrared humidier has been connected.
All pipe joints tightened.
Fasteners for transportation have been removed.
Irrelevant things (such as transportation material, structure material, and tools) inside
or around the equipment have been cleared after the equipment is installed.
The airow distribution system has been installed in each room (e.g. raised oor/ grill,
duct, etc.).
The upow unit must have plenum or have air duct connection, and the fan and
heater shall not be accessible after installation.
Everything is checked and veried, follow the electrical installation.
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