Vertiv™ | Liebert® EXM
™
50-250kVA, 480V, 60Hz User Manual | 82
8.2 Limited Life Components
The Liebert EXM UPS has a design life well in excess of 10 years. Well-maintained units can
continue to provide economic benefits for 20 years or more. Long-life components are used in
the UPS wherever practical and cost effective. However, due to the currently available
component material, manufacturing technology limitations and the general function and use of
the component, a few components in your Liebert UPS will have a shorter life cycle and require
replacement in less than 10 years.
The following components utilized in your UPS system have a limited life cycle and are
specifically exempt from warranty. To prevent a wear-out failure of one of these components
affecting your critical load operations, Vertiv recommends these components be periodically
inspected and replaced before the expected expiration of their life cycle. The expected life of
each component listed below is simply an estimate and is not a guarantee. Individual users may
have site-specific requirements, maintenance and other environmental conditions that affect the
length of the component’s useful life cycle. .
In most cases, replacement components must exactly match the original component
specifications. These replacement components are not readily available from third-party
component distributors. For assistance with your specific component specifications, replacement
component selection and sourcing, call 1-800-LIEBERT. For customers using Vertiv Services’
preventive maintenance services, periodic inspection of these components is part of this service,
as well as recommending component replacement intervals to customers to avoid unanticipated
interruptions in critical load operations.
8.3 Routine Maintenance
Become thoroughly familiar with the equipment, but at no time go beyond the specific proce-
dures in this manual while performing maintenance or correcting a malfunction. If you have any
Table 29 Component service life
Component Expected Life Replace in:
Air filters 5 years Check four times per year
Power Modules & Static Bypass
Assembly
20 years 18 years
Frame Fans 10 years 8 years
NOTE
Component Expected Life requires ambient temperature conditions <25° C. If temperature
conditions are higher, expected life will be shorter.
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