Re: Replacing fans in equipment?

[Jim Noble <yahoo-groups@xxxxxxxxxxxxxxxxxx>]

Paul Gale wrote:
> Good point Peter. Not sure how long there were previously in service
but worth checking to see if new fans would run any quieter.
>
> They seem to run pretty fast even in cold ambient conditions (exhaust
air temp is cool), so I think I could risk a slightly lower cfm?...
>

Depends whether they speed up when under load...? (My MGE ones spin the
fan a lot faster when running off battery power)

If they're DC fans, you might be able to use one of those thermal
controllers so that they speed up when the temperature rises.

Jim

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