I thought I'd mention a tip I've done to filter out fine dust from being
pulled into the KPA1500 power supply. My unit runs 24/7 and I was
surprised how rapidly the fan grid on top of the power supply gathered a
circular collection of dust, even though the floor is tiled.
I picked up a package of washable foam filter material at the home
store. It is normally used as a replacement air conditioner filter.
Here are a few shots. Looks like it's time to wash it again...
https://i.postimg.cc/h4kzMjxf/KPA1500-filter1.jpg
https://i.postimg.cc/4xMrHrjk/KPA1500-filter2.jpg
Warren Merkel, KD4Z
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