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MAINTENANCE
Proper Care
Keeping your Liebert Nfinity UPS operating
properly is imperative to optimal performance and
life of the unit. It is recommended that a certified
technician perform preventive and corrective
maintenance. Liebert Global Services (LGS) is
dedicated to ensuring the highest level of
performance and unmatched support for your
Nfinity UPS. Contact an LGS representative for
services to guarantee maximum reliability and
system availability.
Scheduled Maintenance
It is recommended the following maintenance is
performed at least monthly:
•Cleanunit
• Clean / replace filters
• Verify proper airflow
It is recommended the following maintenance is
performed annually:
• Verify all power modules are operating
properly.
• Verify all battery modules are operating
properly.
• Verify redundancy (if applicable).
Replacing Fan Filters
(Transformer Models Only)
Nfinity’s intake fans contain filters that will need to
be replaced / cleaned periodically, depending on
the surrounding environment. Check by removing
the bottom bezel and noting the condition of the
two filters. If filters are dirty, replace them by
removing the plastic cover over the filter frame and
inserting a new filter in its place. Use caution when
replacing filters when fans are running.
The fan filters are washable and can be reused. To
wash filters, place them under a running faucet
(with the dirt side down) to remove dirt and dust.
Blot dry with a towel and allow air-drying before
reusing.
Fan Filters
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