Vertiv™ | Liebert® SRC-G | User Manual
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Mechanical Installation
2.6. Indoor Unit Installation Procedure
2.6.1. Equipment Room Requirements
The equipment room must be prepared before installation to ensure a smooth operating flow and to achieve the
expected results. The data center must meets the standards to be properly ventilated and heated. The design
specifications for the air conditioners must be ideal and should correspond to energy-eicient design standards.
Following are the requirements to maintain a favorable room environment prior to the installation.
• The equipment room should have suitable and eective heat insulation. The equipment room should have
a sealed and damp-proof layer. Polyethylene film should be used for the damp proof layer of the ceiling and
walls. Alternatively, a moisture-proof paint can be used to simulate the same eect as that of Polyethylene. It is
important to ensure that the coating on the concrete wall and floor are damp-proof.
• Outdoor air significantly increases the load of cooling and dehumidification. Therefore, all the doors and
windows must be closed. Gaps and seams must be very narrow to prevent the outdoor air from entering the
equipment room. It is an industry best practice to keep the infiltration of the outdoor air below 5% of the total
indoor airflow. Apply appropriate thermal insulation and antifreeze measures for outdoor water pipes to avoid
poor drainage and insuicient water supply caused by freezing.
• As indoor units are wall mounted, ensure that the mounting wall strength should be rigid enough to support
static and dynamic forces induce during ideal and working condition of indoor unit respectively.
• Vertiv recommends that the site preparation is defined as per the requirements. However, if these
requirements are not met, Vertiv recommends that rectifications to be made on the site in order to comply
with the specified requirements and conditions.
• However, if the rectifications or modifications are not implemented, then Vertiv does not guarantee the
accuracy and precision of the temperature and humidity provided by the unit.
2.6.2. Installation Space Requirements
Adequate installation space for the indoor unit must be provided. The indoor unit of the air-cooled product must
be installed on the wall of equipment room or computer room and the outdoor unit must be installed at outside of
data center, open to external ambient. Figure 2-8 indicates the installation location of the indoor unit.
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