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Note: When replacing batteries, always replace both batteries A+B or C+D (see illustration
above) as they are interconnected in pairs.
For four batteries in a row it is recommended to replace all four at the same time to ensure
optimal run-time (Example 1). The batteries can also be replaced in twos, but always A+B
(Example 2) or C+D (Example 3).
For two batteries in a row, always replace both batteries at the same time (Example 4).
Four batteries in a row
Column A Column B Column C Column D
Example 1 –
Recommended
New New New New
Example 2
– Minimum
requirement
New New
Old Old
Example 3
– Minimum
requirement
Old Old
New New
Two batteries in a row
Column A Column B
Example 4
— Minimum
requirement
New New
Note: Allow batteries a 24-hour recharging period after system start-up/battery replacement
for battery monitoring data to become fully reliable.
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Symmetra™ PX48, 96, and 160 kW 400 V 100 kW 208 V Operation
990–3015E-001