
140
Disconnecting the DC/DC converter from the drive system with the DC switch-
disconnector ...................................................................................
140Connecting the DC/DC converter .............................................................
140Fans .................................................................................................
141Frame R7i – internal module fan replacement .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..
142Frame R8i fan replacement .................................................................
143R7i converter module ............................................................................
143Removing the module ........................................................................
145Installing the module .........................................................................
146R8i converter module ............................................................................
146Replacing an R8i converter module .......................................................
146Assembling the service platform .......................................................
147Removing the module ....................................................................
150Reinstalling the module ..................................................................
151Capacitors .........................................................................................
151Reforming the capacitors ...................................................................
151Control panel ......................................................................................
151Control unit ........................................................................................
151BCU control unit types .......................................................................
151UCU control unit types .......................................................................
151Replacing the memory unit (BCU) .........................................................
152Replacing the memory unit (UCU-22…24) ...............................................
153Replacing the BCU control unit battery ..................................................
154Replacing the real-time clock battery (UCU-22…24) .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..
155Replacing the microSDHC memory card (UCU-22…24) ...............................
155LEDs and other status indicators .............................................................
156Control panel and panel platform/holder LEDs .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..
156Converter module LEDs ......................................................................
11 Ordering information
157Contents of this chapter ........................................................................
157Kit code key ........................................................................................
159Frame R7i and multiples .........................................................................
159DC/DC converter modules ..................................................................
160BDCL filters .....................................................................................
162Control panel ...................................................................................
163Control electronics ...........................................................................
163Control unit (UCU) .........................................................................
163Fiber optic cables ..........................................................................
164Control circuit plug connectors ........................................................
164Options ......................................................................................
165Mechanical installation accessories .......................................................
165Module installation parts ................................................................
167Swing-out frame (for Rittal VX25 enclosures) .......................................
168Shrouds ......................................................................................
168Heat exchanger mechanics kit ..........................................................
169Bottom cable entry ........................................................................
170Marine kit ....................................................................................
170Pressure relief vent kit ....................................................................
171Electrical installation accessories .........................................................
171
Busbars and quick connectors for connecting DC/DC converter module and
filter ..........................................................................................
Table of contents 9