Figure 2-4 Screws on the pallet
2.1.3 Inspection
Moving forward, check the system fittings and its components against the packing list to ensure that everything is in
place and the assembly is intact.
If any parts or components are missing or damaged, immediately report the issue to the carrier. If hidden damages
are observed, then contact the local offices of that carrier as well as Vertiv at the earliest.
2.2 Installation Preparation (Site Preparation)
The CR012 air conditioners is streamlined for maintaining a favorable environment for data centers, computer rooms,
and similar systems. Strict adherence to the installation procedures is mandatory to ascertain proper installation of
the air conditioner.
2.2.1 Equipment Room Requirement
The equipment room must be prepared to ensure smooth operation and obtain accurate results. The equipment room
must meet the standards for appropriate ventilation and heating. The design specifications for the air conditioners
must be ideal and should match the energy-efficient design standards.
Following are the requirements for maintaining a favorable room environment prior to installation:
1. The equipment room should be well insulated and have a sealed damp-proof layer.
2. The outdoor air entering in should be kept at a minimum. The outside air will add the loads of heating, cooling,
humidifying, and dehumidifying of the system. It is recommended that the inhalation of outside air be kept below
5% of the total indoor airflow.
3. All the doors and windows should be properly sealed to minimize the leakage. The seams should be as narrow
as possible.
Vertiv recommends that the site preparation is defined as per the requirements. However, if these requirements are
not met, rectifications must be made on the site so that it complies with the specified requirements and conditions.
However, if the recommended rectifications or modifications are not implemented, then Vertiv does not guarantee the
accuracy and precision of the temperature and humidity provided by the Liebert CR012 models. One important
aspect to be considered is that the indoor unit must not be used for the outdoor environment.
2.2.2 Installation Space requirements
Liebert CR012 air conditioners are advanced precision air cooling units and therefore, these air conditioners must be
installed, preferably in a row of cabinets with high heat density and in a hot aisle and cold aisle arrangement.
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