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Landmark 365 User Guide V1.1.pdf P a g e | 39 Version 1.1, March 10, 2016
Generator Prep Automatic Transfer Switch and Surge Protector
The Landmark 365 ships with Generator Prep components including an automatic transfer switch that
also has a built-in surge protector. The automatic transfer switch is separate from the one used in the
residential refrigerator circuit. This transfer switch handles all incoming shore power. Its output goes to
the circuit breaker panel. When an on-board generator is installed, the generator output is also
connected to the automatic transfer switch.
When the generator is running, the transfer switch will use generator power, even if shore power is also
available. When the generator is not running, the transfer switch will use shore power.
The transfer switch ensures that only one power source is powering the circuit breaker panel at any
given time. It also ensures that generator power doesn’t feed back into the campground power system.
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