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

["psghome2002" <psghome@xxxxxxx>]

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.
> >