Comet 40-150kVA

4.3Replacement Parts

There are no user serviceable parts inside the Comet UPS.

Three levels of replacement parts are available for the Comet. The three levels are designated A, B, and C. The level that you should keep on hand for your installation will vary depending on the type of maintenance planned on site, and the configuration of your UPS system.

Having the replacement parts on hand will prevent any unacceptable delays (because of time involved obtaining spares) during critical periods, such as system startup. Any items used during start-up will be replaced by MGE at no charge. Contact MGE Customer Care Center at 1-800-438-7373 for specific recommendations.

A description of each level is provided below:

Level Description

A This level of replacement parts consists of consumable items, specifically power and control fuses. It is recommended to have these items on hand during installation of the UPS systems, including initial startup.

B This level of replacement parts is recommended when the user can tolerate short-duration UPS down-time to obtain replacement parts in the event of a major UPS failure. This level of replacement parts consists of consumable items, specifically power and control fuses, fans, and the most critical circuit board assemblies.

C This level of replacement parts is recommended when the user can tolerate only a minimum of down-time in the event of a major UPS failure. This level of replacement parts consists of consumable items, specifically power and control fuses, fans, and a significant set of circuit board assemblies.

4 —2

Maintenance

86-160310-00 E00

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MGE UPS Systems 40-150kVA user manual Replacement Parts, Level Description