Page 26 - 51033212EN/AC
bypass
4. Maintenance
4.2 Replacement of the electronic module
1. Turn the manual bypass switch , located behind the UPS
(see section 1.2), from the NORMAL to the intermediate
position.
2. Check that LED is ON before continuing to the BYPASS
position.
If LED is not ON, do not switch to the BYPASS
position and call the after-sales support
department.
3. Turn the manual bypass switch from the intermediate
position to the BYPASS position.
The connected equipment is supplied by the AC-
power source, via the manual bypass.
4. Shut down the UPS by pressing button (return to the OFF
position).
5. Switch the battery circuit breaker(s) to the OFF position.
6. Remove the two fixing screws to free the connection
module (see next page).
7. Remove the connection cable(s) from the battery module(s).
The UPS can be replaced. The connected equipment is
supplied by the AC-power source.
Before turning the switch,
see the manual
Before turning the switch,
see the manual
7
18
18
7
21
2
30
8
NORMAL
BY-PASS
NORMAL
BY-PASS
Disconnecting the connection module
7
18
21