186Fans .................................................................................................
186Replacing a supply module (D7T) cooling fan ...........................................
187Replacing a supply module (D8T) or inverter module (R8i) cooling fan ...........
188Replacing the circuit board compartment fan ..........................................
190Replacing the cooling fan in the auxiliary control cubicle ............................
190Replacing the cooling fan in the incoming cubicle .....................................
191Replacing the roof fan (IP54/UL type 12) ................................................
192Replacing the common motor terminal cubicle fan ...................................
192Fan attached to the cabinet door ......................................................
192Roof fan (with options +C128 and +H353) ...........................................
193Floor fan (with options +C128 and +H353) ...........................................
193
Replacing the brake chopper and resistor cubicle fans (options +D150 and
+D151) ...........................................................................................
194Supply and inverter modules ...................................................................
194Replacing a frame D7T supply module ...................................................
197Replacing a frame D8T supply module ...................................................
202Removing an inverter module ..............................................................
207Installing an inverter module ...............................................................
209Cleaning the heatsink ........................................................................
209Activating the reduced run of the supply unit ..........................................
209Starting reduced run operation ........................................................
210Resuming normal operation ............................................................
210Activating the reduced run function of the inverter unit .............................
212Returning the module ....................................................................
212Capacitors ......................................................................................
212Reforming the capacitors ................................................................
213Fuses ................................................................................................
213Checking and replacing the DC fuses of a D7T supply module ......................
214Checking and replacing the DC fuses of a D8T supply module .....................
216Control panel ......................................................................................
217Control units .......................................................................................
217BCU control unit types .......................................................................
217Replacing the memory unit (BCU) .........................................................
217Replacing the BCU control unit battery ..................................................
218UCU control unit types .......................................................................
218Replacing the memory unit (UCU-22…24) ...............................................
219Replacing the UCU control unit battery ..................................................
220Replacing the microSDHC memory card (UCU-22…24) ...............................
221Functional safety components ................................................................
12 Technical data
223Contents of this chapter ........................................................................
223Ratings ..............................................................................................
225Definitions ......................................................................................
225Derating .........................................................................................
225Surrounding air temperature derating ...............................................
225Altitude derating ..........................................................................
226Switching frequency derating ..........................................................
226Output frequency derating ..............................................................
227Frame sizes and power module types ........................................................
228Fuses ................................................................................................
228AC fuses .........................................................................................
Table of contents 11
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