Re: Re: Getting Ready for CBUS

["Neil Fuller" <neil@xxxxxxx>]

Frank

Are you aware that you can get ultra fast breakers (a bit of a speciality
item so they may take a bit of finding!). These will trip faster than your
average fuse.

You can get different 'speed' fuses from ultra fast to 'Transformer' rated
fuses (marked 'T' on the endcap)

However, for the fastest circuit interruption a semiconductor fuse will
probably give the best protection.

Hope I'm not teaching granny about eggs! ;-)

Regards

Neil
----- Original Message -----
From: "Frank Mc Alinden" <fmcalind@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Monday, November 10, 2003 6:30 PM
Subject: Re: [ukha_d] Re: Getting Ready for CBUS


> Hi Dean
>
>             Havent blown any bulbs as yet but i have lost a channel on
one
of my dimmers..This channel has 3 ..50 w ..low voltage halogen on it
......Personally i dont think the mcb,s will react quick enough therefore
if
i put protection on my circuits i will use hrc fuses....
>
> Frank
>   ----- Original Message -----
>   From: Dean Barrett
>   To: ukha_d@xxxxxxx
>   Sent: Monday, November 10, 2003 10:50 PM
>   Subject: RE: [ukha_d] Re: Getting Ready for CBUS
>
>
>   Frank
>
>   Havent experienced a bulb blow situation. Have you had problems ?
>
>   Not all lamps make MCB's blow - I dont think LV's trip the MCB, and
if
your
>   normal Tungsten filament lamp has an inline fuse it wont trip MCB
either.
>
>
>
>   Dean.
>
>
>     -----Original Message-----
>     From: armagh_elect [mailto:fmcalind@xxxxxxx]
>     Sent: 10 November 2003 11:36
>     To: ukha_d@xxxxxxx
>     Subject: [ukha_d] Re: Getting Ready for CBUS
>
>
>     Hi Paul
>
>       Need to be careful if you are using earth leakage circuit
>     breakers.. Do Clipsal recommend putting 1A Circuit brakers on each
>     channel ??? Mind you i have lost one of my channels so might be a
>     good idea to protect them although i prefer to use hrc fuses...
>
>     Dean...do the 1A circuit breakers trip ok when a bulb pops ??
>
>     Thanks
>     Frank
>
>
>
>
>
>     --- In ukha_d@xxxxxxx, "Paul Robinson"
<ukcueman@y...> wrote:
>     > Don't forget that you don't want lights close to each other
on the
>     same dimmer. Ideally,
>     > if a dimmer blows, you would like to lose various lights
>     throughout the house rather than
>     > lots of lights in one area. For example, if you have 4 CBus
>     channels in your lounge, you'd
>     > want them on different dimmers.
>     >
>     > Consequently, some of my dimmers will control circuits that
are
>     both upstairs and
>     > downstairs and are therefore on the same CU circuit. But
then, I'm
>     having all my CBus fed
>     > from a single CU MCB, with a secondary board to distribute
power
>     to the individual
>     > dimmers. So each dimmer will have its own MCB from the
secondary
>     board.
>     >
>     > All my lights are wired back to node0 - where the secondary
board
>     is.
>     >
>     > Disclaimer: I am not an electrician
>     >
>     > ----- Original Message -----
>     > From: "Frost Neil" <Neil.Frost@s...>
>     > To: <ukha_d@xxxxxxx>
>     > Sent: Monday, November 10, 2003 11:12 AM
>     > Subject: RE: [ukha_d] Re: Getting Ready for CBUS
>     >
>     >
>     > > Thanks Frank,
>     > >
>     > > I've got the upstairs and downstairs on two separate
circuit
>     breakers anyway
>     > > in the main consumer unit(CU) where the mains comes in
off the
>     street, but
>     > > in preparation for future installation, I was thinking
of
>     splitting that
>     > > even further, that way, I assume, it would be easier to
install
>     the cbus
>     > > bits.. (Into additional CUs located in Node0, the main
CU is in
>     the
>     > > kitchen).
>     > >
>     > > Neil
>     > >
>     > > -----Original Message-----
>     > > From: armagh_elect [mailto:fmcalind@xxxxxxx...]
>     > > Sent: 10 November 2003 11:06
>     > > To: ukha_d@xxxxxxx
>     > > Subject: [ukha_d] Re: Getting Ready for CBUS
>     > >
>     > >
>     > > Hi Neil
>     > >
>     > >
>     > > > feeds for each set of lights via individual 6a mcbs
(each set
>     of
>     > > lights
>     > > > having its own mcb).?
>     > >
>     > > You could do it this way....I would have thought a
circuitBreaker
>     > > for upstairs and one for downstairs....I have mine on a
10A
>     circuit
>     > > breaker....Dean will be able to clarify this one.......
>     > >
>     > > > How wide does the consumer unit need to be for the
8way CBUS
>     unit
>     > > (I guess
>     > > > in mcbs..)?
>     > >
>     > > 12 modules........
>     > >
>     > >
>     > > > switches, the CBUS "dimmable" unit says
it is for Low voltage
>     and
>     > > > incandescent lights.... Do I use that for the mains
halogen?
>     > >
>     > > Yes....
>     > >
>     > > > Oh and does anyone know the best place to buy low
cost consumer
>     > > units?
>     > >
>     > > Paul Gale or Brian ?? can point you in the right
direction......
>     > >
>     > > HTH
>     > >
>     > > Frank
>     > >
>     > > --- In ukha_d@xxxxxxx, Frost Neil
<Neil.Frost@s...>
>     wrote:
>     > > > Hi all.
>     > > >
>     > > > I've been drooling over Franks CBUS installation
thinking "I
>     Want,
>     > > I Want".
>     > > > But as always funds become an issue.... So
>     > > >
>     > > > I'm in the process of rewiring the lights in the
house and had
>     a
>     > > > thought..... I can't afford the CBUS stuff yet...
but I should
>     be
>     > > able to
>     > > > cable for it.
>     > > >
>     > > > The mains feed for the upstairs lights goes through
my Node 0
>     so,
>     > > is it
>     > > > feasible to put a consumer unit in the middle of it
all and,
>     > > instead of
>     > > > running the mains feed from junction box to
junction box, run
>     > > separate mains
>     > > > feeds for each set of lights via individual 6a mcbs
(each set
>     of
>     > > lights
>     > > > having its own mcb).?
>     > > >
>     > > > That way when I come to put in the CBUS (or as an
interim put
>     some
>     > > X10
>     > > > modules in) all the mains wiring is in place and I
can just
>     swap
>     > > the mcbs
>     > > > for the CBUS module.
>     > > >
>     > > > That brings me onto another couple of
questions.....
>     > > >
>     > > > How wide does the consumer unit need to be for the
8way CBUS
>     unit
>     > > (I guess
>     > > > in mcbs..)?
>     > > > I have Mains halogen lights in the rooms that are
dimmable
>     using
>     > > IR light
>     > > > switches, the CBUS "dimmable" unit says
it is for Low voltage
>     and
>     > > > incandescent lights.... Do I use that for the mains
halogen?
>     > > >
>     > > > Oh and does anyone know the best place to buy low
cost consumer
>     > > units?
>     > > >
>     > > > TIA
>     > > >
>     > > > Neil
>
>
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