EX 5/7/11 RT System
4.3Hot Swapping the Power Module
This operation can be performed without interrupting the load.
Figure 4-1: Disconnecting the power module.
17
XXX FAULT 1CXXXXXXX
OFFON
19
Tower configuration
42
40
7
BY
PASS
8
12
Rack configuration
1.Stop the UPS with the OFF button 19 (press more than 3 seconds).
Check if UPS is on bypass AC source:
LED 17 is on (If LED 17 is not on, do not turn the manual bypass and call the after sales support department).
2.Turn the manual bypass switch 7 to the BYPASS position.
3.Switch the battery circuit breaker(s) 14 to the OFF position.
CAUTION: Do not switch the Normal AC source
4.Loosen three screws to remove the Input/Output box.
5.Disconnect the battery cables 40 and 42 from the power module.
The power module can be replaced.
The connected equipment is powered by the Bypass AC source.
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