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Model PAD-5
1
Battery Size Calculations
4 Battery Maintenance
38
Siemens Industry, Inc.
Smart Infrastructure
Perform the following tests at the recommended interval. Replace the battery set
every four years or if any of the test criteria are not met.
Initiation / Reacceptance
1. Charger Test—With the batteries fully charged and connected to the charger,
measure the voltage across the battery set. It must read 27.3V +/- 0.3V.
2. Discharge Test—With full system alarm load, the voltage on a fully charged
battery must not fall below 20.4V after 30 minutes.
3. Load Voltage Test—With full system alarm load, the voltage on a fully charged
battery must not fall below 24.6V after one minute.
Testing Interval
1. Semiannually—Perform the Load Voltage
Test.
2. Annually—Perform the Charger Test and
Discharge Test.
A6V101030358_en--_c
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