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BATTERY SYSTEM TEST
1. Make sure A.C. input circuit breaker is OFF.
2. Make sure battery circuit breakers are OFF.
3. Use a meter and note the D.C. voltage at the battery circuit breaker. The voltage
must be the correct polarity positive lead of the meter to the positive terminal of
the circuit breaker.
4. The D.C. voltage should read between 220 to 240 VDC for an 18-battery unit and
118 to 130 for a 10-battery unit. If the D.C voltage reads below 210 volts D.C., or
115 volts DC, this means the battery cables are not connected correctly.
5. If the battery polarity and voltage level are correct, continue to “Starting the
UPS”.