Chapter 7. Ups Maintenance; Equipment Care; Storing The Equipment; Replacing Battery Packs - Lenovo RT8.0kVA Installation And User Manual

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Chapter 7. UPS maintenance

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For the best preventive maintenance, keep the area around the equipment clean and dust free. If the

atmosphere is dusty, clean the outside of the equipment with a vacuum cleaner. For full battery life, keep the

equipment at an ambient temperature of 25°C (77°F).

Note: If the UPS requires any type of transportation, verify that the UPS is disconnected from its power

source and is turned off. The battery pack is rated for a 3-5 year service life. The length of service life varies,

depending on the frequency of usage and ambient temperature. Battery packs used beyond expected

service life will often have severely reduced runtimes. Replace battery packs at least every 4 years to

keep units running at peak efficiency.

If you store the equipment for a long period, recharge the battery packs every 6 months by connecting the

UPS to utility power. The EBM will charge to 90% capacity in less than 3 hours. However, the battery packs

should be allowed to charge for 48 hours after long-term storage.

Check the battery recharge date on the shipping carton label. If the date has passed and the battery packs

were never recharged, do not use them. Contact your service representative.

When the battery replacement screen is displayed (see illustration), replace the battery packs. Contact your

service representative to order new battery packs.

Replace all battery packs in the UPS and any EBMs connected to the UPS at the same time. The replacement

battery packs must have no more than 12 month variation between their dates of manufacture and should

not have reached or exceeded their shelf life. Dispose of battery packs in accordance with local regulations.

Battery packs can be replaced without turning off the UPS or disconnecting the load. If you prefer to power

down to change the battery packs, see Shutting down the UPS.

Note: DO NOT DISCONNECT a battery pack while the UPS is in Battery mode. Be aware that the UPS can

switch to Battery mode at any time and without warning.

Consider all warnings, cautions, and notes before replacingbattery packs.

Important:

• Servicing should be performed by qualified service personnel knowledgeable of batteries and required

precautions. Keep unauthorized personnel away from batteries.

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