UPS SETUPEaton 9155 UPS (8–15 kVA) User's Guide 164201553 Rev G (www.eaton.com/powerquality) 11Selecting an Installation OptionYou are now ready to install the Eaton 9155 UPS. Select one of the followinginstallation options according to your UPS configuration:UPS Configuration Installation ChapterUPS only Chapter 4, “UPS Only Installation” on page 13UPS with an optional input isolationtransformerChapter 5, “Input Isolation Transformer Installation” on page 17UPS with an optional UPS-mountedbypass switchChapter 6, “UPS-Mounted Bypass Switch Installation” onpage 25UPS with an optional wall-mountedbypass switchChapter 7, “Wall-Mounted Bypass Switch Installation” onpage 35Parallel UPS configuration Refer to the Eaton 9155 Parallel UPS (8–15 kVA) User's Guide.