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3. Installation and Wiring
Multiple Battery Pack Connections
CAUTION!
Ensure correct polarity of the battery string series connection. DO NOT mix batteries with different capacity
or different brands, or new or old batteries.
WARNING!
Ensure correct polarity of string end connections to the battery circuit breaker, and from the battery circuit
breaker to the UPS terminals (i.e., (+) to (+) / (-) to (-) / (N) TO (N)). Disconnect one or more battery cell
links in each tier. Do not reconnect these links and do not close the battery circuit breaker unless all
connections are properly checked and approved.

3.15.1 Installation and Setup

Note: Before installation, inspect the unit. Any damage to packing should be noted at the time of receipt with the delivery carrier. Ensure
nothing inside the package is damaged. Retain the original packing material in a safe place for future use.
Remove the rail kit, battery enclosure and battery modules from the packaging.
Note: The battery modules are very heavy. Be cautious when unpacking and lifting the unit to avoid injury.
Note: Refer to section 4.3.6.2, Step 4 for information on configuring the battery Ah capacity, the number of batteries and the
number of battery cabinets.
Figure 3-19: 10kVA, 15 kVA and 20kVA Battery Connection
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