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Note: If an APC FM Series Precision Air Conditioning System connected to the EPO box,
pressing the check point will shut off functionality to the unit, but the unit will still be
powered.
B. After verifying the wiring, close the system box, making sure not to pin wires or disturb
connections, and secure with the screws, previously removed when opening the box.
C. As a nal test, apply power to all APC devices and auxiliary devices, and press the EPO
button. All connected devices should power OFF immediately. Repeat this nal test at every
EPO box in the system.
WARNING: Pressing the check point will shut down the connected device and any
load it is supporting.
990–1611C-001
Emergency Power Off System Installation and Operation
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