MGE UPS Systems Comet EX 11 RT 3:1 - Manual (Page 32)

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4.2 Hot-swapping the power module
◗ Stop the UPS with the OFF button 18 (press more than 3 seconds).
◗ Check if UPS is on bypass AC source:
led 15 is on (If led 15 is not on, do not turn the manual bypass and
call the after sales support department).
◗ Turn the manual bypass switch 7 to the BYPASS position.
◗ Switch the battery circuit breaker (s) 12 to the "0" position.
◗ Switch the Normal AC source circuit-breaker 9 to the "0" position and
wait 30 seconds.
◗ Remove the three fixing screws to free the junction Input/Output box.
◗ Disconnect the battery cables 28 and 29 from the power module.
The power module can be replaced.
The connected equipment is powered by the Bypass AC source.
18
15
7
Disconnecting the power module
9
29
28
4. Maintenance
This operation can be performed without interrupting the load.
Rack configuration
Tower configuration
12
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