jasonvaughan said:was the vibrating when it was on low fan speed or when it ramped up???
just wondering if it could be debris inside the heat x if its doing in on high rate!!
Jason said:4 you should be reading about -4mbar on manometer, if not it can be adjusted using the lower of the 2 adjuster screws also through side of enclosure
5 after 1 min the fan will ramp up, you should then be getting 17.5mbar on your manometer
Sorry - This is with gv shut, right? so you mean minus 17.5 mbar?
Good info, thanks.
This PCB with the red switch is this on the fan
Or is it on the NEW enclosed PCB ?
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