Re: What's the REAL story with LD11's and heat?

["psghome2002" <psghome@xxxxxxx>]

Is that the Hager JK54U enclosure? Can you remember how much you
paid for it and where you got it from?

Thanks,

Paul.

--- In ukha_d@y..., "Simon Coates" <ecolume@g...> wrote:
> I'm installing a similar setup to you, but using Hager 54 way
boards.  I've
> found them to be the best/most cost effective way to install lots
of AD10s
> and LD11s.  I'm using 1/2 blanks between the LD11s and adding
ventillation
> holes to minimise heat build-up.
>
> Simon
>
> ----- Original Message -----
> From: psghome2002 <psghome@h...>
> To: <ukha_d@y...>
> Sent: 15 February 2002 20:54
> Subject: [ukha_d] Re: What's the REAL story with LD11's and heat?
>
>
> > Thanks Keith, that sounds sensible - now to find a big and cheap
> > enough consumer unit as I need a stack of them.
> >
> > Paul.
> >
> > --- In ukha_d@y..., "Keith Doxey" <ukha@d...>
wrote:
> > > If they get too hot there is the risk of triac failure.
> > >
> > > If they get VERY hot there is a risk of fire.
> > >
> > > You can get 1/2 width blanks for consumer units, either fit
1/2
> > blank
> > > between each module or fit 2 side by side with a full blank
> > between them and
> > > the next pair.
> > >
> > > The greater the load, the greater the heat, also most heat
is
> > generated at
> > > 50% brightness as the mains is being turned on at peak
voltage.
> > >
> > > Fitting fans is IMHO not a good idea. WHEN the fans fail the
> > dimmers would
> > > start to overheat and the first thing you would know would
be
> > dimmer
> > > failure. You could of course add monitoring to the consumer
unit
> > and fan but
> > > that would cost much more than a slightly larger consumer
unit
to
> > accomodate
> > > the modules with adequate ventilation.
> > >
> > > Keith
> > >
> > > -----Original Message-----
> > > From: psghome2002 [mailto:psghome@xxxxxxx...]
> > > Sent: 15 February 2002 10:51
> > > To: ukha_d@y...
> > > Subject: [ukha_d] Re: What's the REAL story with LD11's and
heat?
> > >
> > >
> > > Do you know if they have a thermal cut-off (or will they
blow
the
> > > fuse if they get too hot?). Sounds like it won't be a
problem
> > > though :)
> > >
> > > --- In ukha_d@y..., "Kenneth Watt"
<kennwatt@b...> wrote:
> > > > I think IIRC, the most I have in the one box is about
ten,
mixed
> > > AD and
> > > > LD's, though more LD11's than AD10's. There is heat
there,
but
> > not
> > > much.
> > > > If you were putting a *lot* of modules in the one place
you
could
> > > always
> > > > fit a small fan to the case, even a PC case fan or two
would
do,
> > > link
> > > > these to an appliance module and put a Dallas stat in
there
and
> > > > ventilate as required, just a thought mind you if it
was
really a
> > > > problem.
> > > >
> > > > HTH
> > > >
> > > > K.
> > > >
> >
> >
> >
> > For more information: http://www.automatedhome.co.uk
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> >
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> >
> >
> >


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