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


  • To: <ukha_d@xxxxxxx>
  • Subject: RE: Re: What's the REAL story with LD11's and heat?
  • From: "Kenneth Watt" <kennwatt@xxxxxxx>
  • Date: Sun, 17 Feb 2002 18:13:25 -0000
  • Delivered-to: mailing list ukha_d@xxxxxxx
  • Mailing-list: list ukha_d@xxxxxxx; contact ukha_d-owner@xxxxxxx
  • Reply-to: ukha_d@xxxxxxx

Never really gave that much thought Keith not did I expect those units
to produce enough heat to be a fire risk! My cure was to leave a fair
bit of space in the unit and drill vents in the side, as well as the
gaps between the modules to run the wiring the top terminals, thought
that would suffice.

K.

> -----Original Message-----
> From: Keith Doxey [mailto:ukha@xxxxxxx]
> Sent: 15 February 2002 11:11
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] Re: What's the REAL story with LD11's and heat?
>
> 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.
>





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