Automatic Transfer Switch with Power Distribution 83
Appendix A: Custom Installations
If Source 2 is a Second Utility Mains
Connection
Differences in your system from information presented in this manual
This manual assumes that Source 2 is an APC InfraStruXure Generator. If you have a secondary
utility mains connected to the ATS, some of the information in this manual will not apply to your
system.
Obviously, your system does not have a generator, and any reference to “generator” in this manual
actually refers to your second utility mains connection. Disregard the following sections, as they do
not apply to your system:
• “Generator start sequence” on page 7
• “Generator cool-down” on page 7
• “Fuel monitoring/runtime calculation” on page 9
• “Communication converter,” (item 4) page 13
• “Resetting automatic operation on the generator” on page 20
• “Generator” pages 37–38
• “Fuel Alarm Limits” on page 44
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