Tripp Lite BP480V40-NIB Owner's Manual

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4. Operation and Charging

4.1 Determine Charging Voltages

Your Tripp Lite UPS is already set up for proper ﬂoat and boost voltages from the factory.

4.2 Initial Charge

Proper amp-hour rating and charge current must be manually input into the UPS setup. Refer

to the Tripp Lite UPS Owner’s Manual for details.

4.3 Operational Check

1. Measure and record the total system ﬂoat voltage. Measure at the battery terminals.

2. Measure and record the system ﬂoat current using a clamp-on ammeter.

3. Measure and record the ﬂoat voltage of individual battery units.

4. Measure and record the temperature of several batteries. Measure battery temperature

with a digital thermometer by placing the surface thermocouple on the ﬂat surface of the

negative terminal—not the “L” connection surface. An infrared temperature monitor may

also be used.

5. Optional: Perform impedance and conductance tests on individual battery units. These

tests require special equipment, but the data can be useful in trending the system over

time or identifying suspect units during later periodic checks. It may be necessary to

disconnect the battery system from the charger/load during these checks.

5. Maintenance

The battery cabinet contains valve-regulated recombinant lead-acid (VRLA) batteries, which

are maintenance-free relative to the electrolyte. You cannot add water to these batteries

or sample the electrolyte-speciﬁc gravity. It is necessary, however, to periodically check the

charging voltage, temperature and connections of the individual battery units.

5.1 Maintenance Schedule

5.1.1 Quarterly Check

Quarterly maintenance by qualiﬁed service personnel is recommended.

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Tripp Lite BP480V40-NIB External UPS Battery Pack, 40 40Ah, No Batteries Included - Compatible S3MX-Series 3-Phase UPS System