RE: Node '0' Cooling & ventilation

["Neil Ball" <neilball@xxxxxxx>]

Condensation should not be an issue, but static may be. If the air entering
is very cool and then is warmed significantly it will become very dry
leading to static discharge problems. In this case I don't think it should
be a major problem but if any equipment is worked on in their it would pay
to follow the usual static control measures carefully.




> -----Original Message-----
> From: Paul Gale [mailto:groups@xxxxxxx]
> Sent: Wednesday, September 03, 2003 09:42
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] Node '0' Cooling & ventilation
>
>
> You'll only get a problem if the temperature of the kit
> inside Node0 is significantly colder than the temp of the air
> entering. This is very unlikely to be the case as the kit
> temp will be quite a lot higher (the whole reason for ventilating).
>
> Paul.
>
>
>
> -----Original Message-----
> From: Johan Olde [mailto:johan.olde@xxxxxxx]
> Sent: 03 September 2003 08:11
> To: 'ukha_d@xxxxxxx'
> Subject: RE: [ukha_d] Node '0' Cooling & ventilation
>
>
>
> Sorry for being a little behind on the subject, but
> isn't there a risk of getting problems with the humidity if
> you take air from the outside?
>
> /Johan
>
> -----Original Message-----
> From: Keith Doxey [mailto:ukha@xxxxxxx]
> Sent: den 16 augusti 2003 17:49
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] Node '0' Cooling & ventilation
>
>
> Trying to suck hot air from the top of the cupboard will not
> work if there isnt a way for cool air to enter at the bottom
> of the cupboard.
>
> You need an additional fan to suck air into the bottom of the
> cupboard. Ideally both fans need to be ducted to the outside
> of the house.
>
> You are trying to push hot air into a loft which probably has
> very little airflow and in all probability contains air
> hotter than that you are trying to push up there.
>
> Keith
>
> www.diyha.co.uk
> www.kat5.tv
>
>
> > -----Original Message-----
> > From: jon00_uk [mailto:jon00@xxxxxxx]
> > Sent: 16 August 2003 16:40
> > To: ukha_d@xxxxxxx
> > Subject: [ukha_d] Node '0' Cooling & ventilation
> >
> >
> > I have Node '0' in a small cupboard (about the size of a deep 39U
> > rack). During the hot weather, this area reached nearly 48C
> which is
> > NOT good for my HA equipment & server. The internal
> temperature of the
> > PC reached 73C! Although I have a fan in the ceiling of
> this cupboard
> > (to the loft space) this obviously did virtually nothing.
> >
> > Any ideas for cooling/Ventilation? How do you keep your Nodes
cool?
> >
> > Thanks,
> >
> > Jon
> >
> >
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