Ex 5/7/11 rt system – MGE UPS Systems EX 7RT User Manual
Page 56

4.3
Hot Swapping the Power Module
This operation can be performed without interrupting the load.
Figure 4-1: Disconnecting the power module.
EX 5/7/11 RT System
Maintenance
4 — 4
86-86000-00 A01
1.
Stop the UPS with the OFF button
(press
more than 3 seconds).
Check if UPS is on bypass AC source:
LED
is on (If LED
is not on, do not
turn the manual bypass and call the after sales
support department).
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.
42
40
8
14
7
17
17
19
OFF
ON
17
XXX FAULT
1CXXXXXXX
19
Card
Set
ting
s
66074
UPS
data
Res
et
100
10
1 2
ON
ETHE
RNE
T
RS2
32
IP=
MAC=00
E0D
8FF
855E
B
Y
P
A
S
S
φ
RS2
32 D
ownlo
ad
7
8
12
Tower configuration
Rack configuration
42
40