Eaton 9PXMEZ6Ki Installation Et Manuel D'utilisation page 24

5. Operations
5.3 UPS replacement with ModularEasy
5.3.1 Faulty UPS Removing:
1. Put the UPS in "internal Bypass mode" (refer to the UPS user manual)
2. Check that the UPS is on Bypass mode by checking the UPS display panel (refer to the UPS user manual)
3. Set the ModularEasy manual Bypass switch to "Bypass" position.
The "Bypass mode" red light of the ModularEasy goes on, indicating that the load is supplied directly by
AC source, or by optional Bypass AC source on 9PXMEZ11Ki only
4. Wait until the UPS turns off in around 30 seconds
5. Check that the UPS display is off. If the display is still lighted, check the UPS "Sleep mode" by refering to
the UPS user manual. Do not continue to the next step if display is still lighted
6. Set the UPS output switch of the ModularEasy to the "0" position (OFF) for 9PXMEZ6Ki or,
set the two UPS output switches of the ModularEasy to the "0" position (OFF) for 9PXMEZ11Ki
7. Disconnect all internal (*) and external batteries of the faulty UPS.
(*) only for UPS 9PX5000 and 9PX6000.
8. Check if all of the power supply is really disconnected by pressing the ON/OFF button
for 5 seconds.
The UPS must stay off.
9. Check that the UPS display is still off.
Important: Do not continue to the next step if display is lighted.
Now UPS can be disconnected, as described below:
5.3.2 9PXMEZ6Ki
• First disconnect the I/O cord Set
the two screws
• After opening the UPS I/O terminal blocks cover of the faulty UPS, check if hazardous voltage is no
longer present on UPS terminal blocks by using an electrical safety tester
• Disconnect the I/O cord Set
• Reconnect the I/O cord Set
Hazardous voltage and lost load risk: do not manipulate the ModularEasy manual Bypass switch unless
the I/O cord Set
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of the faulty UPS from the ModularEasy, after removing
1
and connect it to a new UPS
1
from the new UPS to the ModularEasy
1
is connected to UPS terminal blocks.
1
of the faulty UPS
614-09354-01_EN