[no subject]

BTW some UPSs have the fan running continually so are much less
likely to suffer from a heat problem.
Regards
Andy the UPS man.

--- In ukha_d@xxxxxxx, "Martyn Wendon" <martynwendon@...>
wrote:
>
> What's the best position for UPSs in a cabinet?
>
> I'm getting conflicting opinions. Some say that putting UPSs at
the bottom
> is best as it's generally the coolest place in an enclosure.
Others say
> that putting them at the top is best as they are generally the
hottest
> pieces of equipment so why let all the heat they produce rise up
through
> other equipment making that hotter?
>
> My cabinet is in the garage and made of wood approximately 2000mm
* 900mm *
> 800mm internal dimensions.  It's got a 6" extractor fan pulling
air in at
> the bottom and a 6" extractor fan sucking air out at the top
which
is then
> ducted outside the garage.
>
> The cabinet will eventually contain 2 UPSs, 3 server PCs, sky box,
ntl cable
> box, cctv dvr, cctv web server and various other bits and bobs
(switches,
> routers, etc).
>
> Shelving will be 18mm mdf with holes drilled to promote airflow
from bottom
> to top.
>
>
> Any thoughts?
>
>
> Martyn