Vertiv | Liebert® DM | User Manual 44
Mechanical Installation
2.9. Installation Inspection
Following are the particulars in the checklist (refer Table 2-14) that need to be verified and confirmed to ensure that the
mechanical installation is implemented successfully.
Table 2-14 Installation Inspection Checklist
Particulars Results
Leave enough space around the unit for maintenance.
The equipment is installed vertically, and the installation fasteners have been fixed.
The pipes between the indoor and outdoor units have been connected, and the ball
valves of the indoor and outdoor units have been opened completely.
Condensate pump is installed (if required).
The drain pipe has been connected.
The water supply pipe for the Infrared humidifier 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 unit have been cleared after the unit is installed.
The airflow distribution system has been installed in each room (e.g. raised floor/ grill,
duct, etc.).
The upflow unit must have plenum or have air duct connection, and the fan and heater
shall not be accessible after installation (if applicable).
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