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Battery Cabinet Installation
56
Powerware
®
FERRUPS FE/QFE UPS (500 VA–18 kVA) Installation Guide : Rev A www.powerware.com
Installing and Connecting the Batteries
1. Use the battery installation diagram that came with your UPS
batteries and cabinet as you follow the steps below.
2. Place the battery cabinet or rack as close as possible to the
FERRUPS UPS. If the batteries will be further from the unit
than the standard cables allow, contact your service
representative or your local distributor for assistance.
The battery cabinet or rack should be well ventilated and away
from direct sunlight or other heat source. Ensure that the floor
is level and can support the weight of the batteries, the cabinet
or rack, and any other necessary equipment. Your Powerware
sales coordinator can tell you the size and weight of external
batteries.
The temperature should be below 77°F(25°C) for the best
battery performance. Batteries will be less efficient at
temperatures below 65°F(18°C). High temperatures will
reduce battery life. Typically, at about 95°F(35°C) battery life
will be half of what it would be at a normal temperature of 77°F
(25°C). At about 113°F(45°C), battery life will be one-fourth
of normal.
The batteries should be as close as possible to the UPS to
reduce DC wiring costs and improve battery performance.
NOTE If you are installing the batteries in a place where there may be seismic
activity, you should anchor the UPS and battery cabinets to the floor. Anchoring kits
are available from Powerware.
3. Wherever conductors may be exposed to physical damage, you
must protect the conductors in accordance with National
Electrical Code ANSI/NFPA 70-1993. This includes battery
cables between the UPS and the battery cabinet and cables
between battery cabinets (if you have more than one).
We suggest routing battery cables through flexible conduit. For
models with a removable DC plug at the UPS end of the cables,
we suggest routing the cables through the conduit to within
about 12
2
(30.5 cm) of the UPS because the connector or plug
does not connect to flexible conduit. Install flexible conduit for
battery cables according to local or national code.