7. Maintenance
Service position (bypass position)
This operation must be carried out by qualified electrical personnel only.
The equipments should be powered via the Normal AC source, and not protected by the UPS.
-
34008486EN/AC
Page 40
I
3
4
5
6
3
1 - Press and hold the (0) (OFF) button (1)
for 3 seconds/
2
The load is powered via the Bypass AC
source (bypass mode).
LED (2) is ON, LEds (3), (4) are green
O
1
2 - Unlock the Manual Bypass switch (5)
NORMAL
2
and set to the test position.
3 - Turn off the Normal AC source circuit
BYPASS
switch (6).
All LEDs on the front display are off.
NORMAL
4
4 - Set the Manual Bypass switch (5) to
bypass position.
BYPASS
5 - Pull red padlock in the center of the
NORMAL
5
manual bypass switch (5) to lock into
bypass position.
BYPASS
6 - Remove all the battery sub-modules,
see section 7.2, page 39.
The MX Frame is now ready for service.