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1.3
E
NVIRONMENTAL
1.3.1
UPS Room
The UPS module is intended for indoor installation and should be located in a cool, dry, clean-air environment
with adequate ventilation to keep the ambient temperature within the specified operating range (see
Environmental Parameters in Table 13).
The Liebert EXL UPS is cooled with the aid of internal fans. To permit air to enter and exit and prevent
overheating or malfunctioning, do not cover the ventilation openings.
The Liebert EXL UPS is equipped with air filters located behind the front doors. A schedule for inspection of the
air filters is required. The period between inspections will depend upon environmental conditions.
When bottom entry is used, the conduit plate must be installed.
NOTE
The UPS is suitable for mounting on concrete or other non-combustible surface only.
1.3.2
Storing the UPS and Batteries for Delayed Installation
If the Liebert EXL system will not be installed immediately, it must be stored indoors in a clean, dry and cool
location (see Environmental Parameters in Table 13). If the UPS includes batteries, either internally or in a
battery cabinet, the batteries' requirements will dictate the storage conditions. Batteries should be unpacked,
installed and charged as soon as possible after delivery.
NOTICE
Risk of failure to properly charge batteries. Can cause permanent damage to batteries and void the warranty.
Batteries will self-discharge during storage. Batteries must be recharged as recommended by the battery manufacturer.
A notice of "Charge Before Date" is affixed to each unit that has batteries inside. The "Charge Before Date" is calculated
based on the batteries being stored at 77°F (25°C). Storage at a higher temperature will increase the rate of self-discharge,
requiring earlier recharge. Consult the battery manufacturer on how to determine when the batteries need to be
recharged.
1.4
P
OSITIONING
The cabinet is structurally designed to handle lifting from the base.
Access to the power terminals, auxiliary terminal blocks and power switches is from the front.
The door can be opened to give access to the power connection bars, auxiliary terminal blocks and power
isolators. Front door can be opened to 90 degrees, and interior doors can be removed for more flexibility in
installations.
NOTE
The UPS must be placed on a non-combustible surface suitable to support the weight of the unit.
™
Vertiv
| Liebert® EXL™ 625-1100kVA Installation Manual
C
ONSIDERATIONS
| Rev. 3 | 02/17
5
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