Riello UPS MPX 100 CBC, User Manual, Page: 80 / 92

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BM
REPLACEMENT
The following operations must only be performed by skilled and specifically trained service personnel.
Refer to the Insertion/Extraction procedure
Operation to be performed in order to replace a BM during “Online Mode” status without interrupting power to the load:

Verify that the load is correctly supported by all of the PMs.

Verify that the BM is not supplying the load.

Open the associated switch lock.

Extract the BM (Please note that the BM weighs 23 kg and 2-person handling is required).

Insert a new BM and close its switch lock.

Verify that all the measurements of the new BM are correct on the “System Status” page.

Verify that the operational status of the new BM is “Ready” on the “System Status” page.
R
EPLACING
MU, MCU, CP
AND
PSU
The following operations must only be performed by skilled and specifically trained service personnel.
Refer to the Insertion/Extraction procedure
This operation can be performed without interrupting power to the load:

The replacement of these units will not affect the load.

Simply extract the unit and insert the new one.

Verify the status of the replaced unit.
NOTE: If the MCU or CP is removed the system will continue to operate correctly. During this time the user will only lose the
system monitoring functions.
WARNING: The MU, MCU and CP must be configured accordingly to the system (refer to the “MPW-MPX Advanced
Configuration Manual” for correct setting).
BU
REPLACEMENT
The following operations must only be performed by skilled and specifically trained service personnel.
Refer to the Insertion/Extraction procedure
This operation must only be performed when the SYSTEM IS NOT OPERATING ON BATTERY MODE:

Verify that the MPX is not working in battery mode.

Remove the safety screws and bracket.

Extract the BU (Please note that the BU weighs 32kg and 2-person handling is required).

Reinsert the new BU.

Verify that the SYSTEM is reporting the correct measurements and setup.

Fasten the bracket and all the required screws.