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Pin 1 and Pin 2 shown in
closed status.
7.
Emergency Power Off (EPO)
Disable and Enable the EPO Function
Keep Pin 1 and Pin 2 closed (shorted) for UPS normal operation. To activate the EPO function, remove the wire
between Pin 1 and Pin 2.
8.
Maintenance
8.1
Cleaning
1.
Do not use scouring powder or plastic dissolving solutions to clean the UPS.
2.
Do not allow liquid to get inside the UPS.
3.
Make sure that the air vents on the UPS are not obstructed. Remove dust from the air vents with a vacuum
cleaner.
4.
Clean the outside of the UPS housing by wiping with a dry or slightly damp cloth.
8.2
UPS Storage
1.
For extended storage at ambient temperatures < 77°F (25°C), the batteries should be charged for five hours once
every four months. At higher storage temperatures it is advised that this period be reduced to two months.
2.
To charge the batteries, connect the UPS to an appropriate power source and allow the batteries to charge for
about five hours. After charging, note the date recharging was performed on the UPS packaging.
8.3
Battery Testing
1. The UPS does not require maintenance by the user; however, the battery should be checked periodically.