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Axpert fan direction

Adri
in Inverters

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I have an Axpert 1kV/24V.  

The cooling fans are mounted below the heatsinks and blow downwards.  I find this unusual as I would have expected the fans to blow "fresh" air UP into the  heatsinks.

Why would Axpert/Voltronics have done this?

  • Quote
    18 hours ago, Adri said:

    Why would Axpert/Voltronics have done this?

    This question has been asked many times - and no one has a good answer... (see fan section of this thread for more details)

    Changing the direction of the fans results in a significant improvement in temperature. I've just had this done on my Axperts and I changed from temps in the high 40's with external fans stuck to the chassis to temps in the mid 30's without any external fans

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