User manual

Installation and User Manual
4.2 Hot Swapping the Power Module
This operation can be performed without interrupting the load.
Figure 4-1: Disconnecting the Power Module.
Maintenance 4 — 386-86000-00 B01
1. Stop the system with the OFF button (press
more than 3 seconds). System is now powered by
Bypass AC source.
Check if UPS is on Bypass AC source by verifying
that:
LED is ON (If LED is not ON, do not
turn the manual bypass and visit
www.mgeops.com or call [phone].
2. Turn the manual bypass switch to the
BYPASS position.
3. Switch the battery circuit breaker(s) to the
OFF position.
CAUTION: Do not switch the Normal AC
source circuit-breaker
to the OFF position.
Doing so will disconnect
power to the load.
4. Loosen three screws to remove the
Input/Output box.
5. Disconnect the battery cables and from
the Power Module.
The Power Module can be replaced.
The connected equipment is powered by the
Bypass AC source.
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Step 4 in Tower
configuration
42
40
Step 4 in Rack
configuration.