HP R12000 XR, User Manual

Page: 86 / 126

Maintenance 86
2.
Turn the switch clockwise to the left, Bypass position.
3.
Loosen the four screws.
4.
Disconnect the unit, and then remove the module from the power unit.
To replace the R12000DF power module, see "Installing the R12000DF power module (on page 50 )."
To replace the R18000DF power module, see "Installing the R18000DF power module (on page 56 )."
Replacing the 1U power unit
To remove the power unit:
1.
Power down the UPS and any battery packs. For more information, see "Powering down the UPS and
battery packs (on page
80 )."
2.
Remove the Input/Output Power Module. For more information, see "Replacing the power module (on
page
85 )."
3.
Disconnect all cables attached to the power unit connectors.