249Cleaning the heatsink, IP 66 (UL Type 4X) ...........................................................
250Fans .............................................................................................................................
251
Replacing the main cooling fan, IP21, IP55 and IP66 (UL Type 1,
UL Type 12 and UL Type 4X) frames R1…R4 ................................................
251R1…R3 .....................................................................................................
252R4 .............................................................................................................
253
Replacing the main cooling fan, IP21 and IP55 (UL Type 1 and UL Type 12)
frames R5…R8 ...................................................................................................
254
Replacing the main cooling fans, IP21 and IP55 (UL Type 1 and
UL Type 12) frame R9 ........................................................................................
255
Replacing the auxiliary cooling fan, IP21 and IP55 (UL Type 1 and
UL Type 12) frames R6…R9 .............................................................................
256Replacing the auxiliary cooling fan, IP55 (UL Type 12) frames R1…R2 ....
257
Replacing the auxiliary cooling fan, IP55 and IP66 (UL Type 12 and
UL Type 4X) frame R3 .......................................................................................
259
Replacing the auxiliary cooling fan, IP55 (UL Type 12) frame R4; IP21 and
IP55 (UL Type 1 and UL Type 12) frame R5 ...................................................
260
Replacing the second auxiliary cooling fan, IP55 (UL Type 12) frames
R8…R9 .................................................................................................................
261Capacitors ..................................................................................................................
261Reforming the capacitors ................................................................................
261Control panel .............................................................................................................
262LEDs ............................................................................................................................
262Drive LEDs ...........................................................................................................
263Control panel LEDs ...........................................................................................
264Functional safety components ..............................................................................
12 Technical data
265Contents of this chapter .........................................................................................
266Electrical ratings .......................................................................................................
266IEC ........................................................................................................................
270Definitions ..............................................................................................
270UL (NEC) ..............................................................................................................
274Definitions ..............................................................................................
275UL listed multiple ratings ....................................................................
275Conversion tables for IEC and North American type codes .....................
276Sizing ...................................................................................................................
277Deratings ............................................................................................................
279Surrounding air temperature derating, IP21 (UL Type 1) ..............
280Surrounding air temperature derating, IP55 (UL Type 12) ...........
282Altitude derating ...................................................................................
283Switching frequency derating by derating factor ..........................
286
Switching frequency derating with actual output current
values .......................................................................................................
290Output frequency derating .................................................................
12 Table of contents
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