RE: [OT] Mirror Heaters

["Dean Barrett" <dean@xxxxxxxxx>]

Yep - RCBO will work fine.




Dean.


_____

From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf Of
Rob Mouser
Sent: 27 June 2005 16:51
To: ukha_d@xxxxxxx
Subject: RE: [ukha_d] [OT] Mirror Heaters


Thanks Dean

> a. Yes, definitely use the relay - not sure what would happen if you
tried
> to 'dim' then heater pad :)

It will get less misty? Oooh no sorry more misty ;-)

> b & c - 1 x 2.5mm radial backed by a 16amp MCB on the RCD side of
the
> consumer unit.

Dash! Further complications. The C-bus consumer units are fed via a 32amp
feed from the main split load consumer unit on the non-rcd side. But, the
C-bus consumer units aren't split load. Can I just use a 16amp RCBO?

Or was my sparkies original design floored?

Many thanks,

Rob
> -----Original Message-----
> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf Of
> Dean Barrett
> Sent: 27 June 2005 10:19
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] [OT] Mirror Heaters
>
> Hi Rob
>
>
> a. Yes, definately use the relay - not sure what would happen if you
tried
> to 'dim' then heater pad :)
>
> b & c - 1 x 2.5mm radial backed by a 16amp MCB on the RCD side of
the
> consumer unit.
>
> Any other queries, let me know.
>
>
>
> Dean.
>
>
>   _____
>
> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf Of
> Rob Mouser
> Sent: 26 June 2005 09:27
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] [OT] Mirror Heaters
>
>
> Thanks Dean
>
> That's great! Whilst I've got your (or anyone else's) attention :-
> ).........
> I'm about to run the 240v feeds to the bathroom for:
> a) Mirror Heaters
> b) Towel Rail
> c) Underfloor heating
>
> For 'a' I was going to run a separate feed from a c-bus relay which
will
> switch on with the lights. I didn't want to spur off the lighting for
that
> room as its on a 1amp dimmer and already has 4 x 50w halogens. Is my
route
> the best one? The two mirror heater pads have a combined output of
nearly
> 200w.
>
> How am I best to deal with 'b' and 'c'? 'c' needs to be on a 30Ma RCD.
The
> towel rail element (fits inside a central heating fed rail) is 400w.
Shall
> I
> run two 2.5 runs from the consumer unit one into the RCD and one into
a
> MCB
> or can I connect both in series to the RCD (Less cable to run :-)). I
have
> no nearby and easily accessible ring so I cant spur 'b'.
>
> And if anyone starts quoting part P regs or whatever the hell it is
and
> the
> fact that I need to have it done by a qualified sparky etc etc then
I'm
> not
> listening! ;-) Actually the local building inspector is coming back
soon
> to
> look at our velux window and he's said he can pass it :-)
>
> Thanks in advance
>
> Rob
>
> -----Original Message-----
> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf Of
> Dean Barrett
> Sent: 25 June 2005 22:55
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] [OT] Mirror Heaters
>
> Rob
>
> We do shed loads of heated mirrors, a mix of clipped, driiled, and
many
> that
> are inset into fully tiled walls with very little to no gap - some
> developers silicon between tiles and mirrors, others grout upto them.
>
> As long as mirror backing is ok with pads and its the right adhesive
> you'll
> be fine.
>
>
>
> Dean
>
>   _____
>
> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf Of
> Rob Mouser
> Sent: 25 June 2005 21:46
> To: ukha_d@xxxxxxx
> Subject: [ukha_d] [OT] Mirror Heaters
>
>
> Anyone here using mirror heating panels?
>
>
>
> I want to fit some behind a 1300 x 1000mm mirror but the instructions
> suggest corner mirror clips to allow for expansion. This is not
something
> I
> want to do as I would prefer to use mirror adhesive for a flush fit
within
> a
> pre-made tile gap.
>
>
>
> Is my mirror just going to crack in this scenario?
>
>
>
> P.S. Heaters are connected to a c-bus relay for automation, just to
keep
> it
> on-topic :-)
>
>
>
> Rob
>
>
>
> [Non-text portions of this message have been removed]
>
>
>
>
>
>
>
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