Vertiv Liebert EXM, User Manual

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Vertiv™ | Liebert® EXM™ UPS 20-100kVA, 50/60Hz User Manual | 62
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 procedures in this manual
while performing maintenance or correcting a malfunction. If you have any doubt as to what must be done, call
Vertiv
™
Services at 800-543-2378 for further instructions. The UPS is designed for unattended operation, but
does require some common sense maintenance.
• Keep good records—Troubleshooting is easier if you maintain historical service records.
• Keep the UPS free of dust and any moisture.
• Keep the UPS cool:
• Battery systems must be kept in the range of 72-77°F (22-25°C) in order to meet design specifications for capacity
and longevity.
• The UPS will reliably meet all performance specifications at temperatures up to 104°F (40°C), and can be slightly
derated for operation at even higher temperatures. However, performance and longevity will be optimized when the
UPS is operated at the same temperature as the batteries.
• Keep connections tight.
• Tighten all connections at installation and at least annually thereafter. (See 8.3.3 - Torque Requirements ).
Table 26 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.