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Powering down the UPS
1. Shut down all load devices.
2. Press the Standby button to take the UPS out of Operate
mode. Power to the load receptacles ceases.
3. Disconnect the UPS from utility power.
4. Wait at least 60 seconds for the UPS internal circuitry
to discharge.
Switching off the ERM
circuit breaker
WARNING: To prevent personal injury from
electric shock or damage to the equipment,
verify that the circuit breaker is in the
Off position.
Installing the ERM
Before installing the ERM, review and observe all warnings in
"Precautions (on page 1)."
WARNING: Uneven mechanical loading in
the rack may cause a hazardous condition.
CAUTION: Always plan the rack installation so that
the heaviest item is on the bottom of the rack. Install
the heaviest item first, and continue to populate the
rack from the bottom to the top.
1. Install the mounting rails ("Installing the mounting rails"
on page 2).
2. With one person on each side of the carton, lift the
chassis and lower it to the floor in front of the rack.
3. Install the mounting ears on the chassis using the
screws provided.
4. With one person on each side, lift the chassis to rail
level and slide the chassis on the mounting rails.
5. Attach the chassis to the rack using the supplied screws.
6. If using the rear mounting brackets, be sure that the
bracket tabs are fully inserted into the rear panel cutouts,
then tighten the brackets.
Attaching the ERM front bezel