Hot Swapping The Power Module - MGE UPS Systems EX 11RT Installation And User Manual

EX 5/7/11 RT System
4.3

Hot Swapping the Power Module

This operation can be performed without interrupting the load.
Figure 4-1: Disconnecting the power module.
OFF
19
Tower configuration
12
Rack configuration
4 — 4
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1. Stop the UPS with the OFF button
more than 3 seconds).
Check if UPS is on bypass AC source:
17
LED is on (If LED
turn the manual bypass and call the after sales
support department).
2. Turn the manual bypass switch
BYPASS position.
3. Switch the battery circuit breaker(s)
OFF position.
CAUTION:
4. Loosen three screws to remove the
Input/Output box.
5. Disconnect the battery cables
from the power module.
The power module can be replaced.
The connected equipment is powered by the
Bypass AC source.
Maintenance
19
17
is not on, do not
7
14
Do not switch the Normal AC
source circuit-breaker
the OFF position. Doing so
will disconnect power to the
load.
40
and
(press
to the
to the
8
to
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86-86000-00 A01