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Replacing Heatsinks/
Heatpipes
Figure 83 - Thermal Sensor Replacement (Heatpipe Model)
There are three different styles of heatsinks and one type of heatpipe used in
PowerFlex 7000 air-cooled drives, depending on thermal requirements:
•
Aluminum type W heatsinks have a plurality of short internal fins along
the internal surfaces
•
Aluminum type M heatsinks have internal fins with flat surfaces.
•
Copper heatsinks have internal fins made from folded copper foil
•
Heatpipes have a stack of aluminum fins
Rockwell Automation Publication 7000-UM202H-EN-P - November 2023
Chapter 2
Power Component Definition and Maintenance
Thermal sensor
plugs into feedback
circuit board
Temperature feedback
air flow circuit board
91
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