Re: Electric UFH &

["Andy Whitfield" <andywhitfield2002@xxxxxxxxxxx>]

My email addresses are...
ups @ upsman co uk   or andywhitfield2002 @ yahoo co uk

--- In ukha_d@xxxxxxx, "Andy Whitfield"
<andywhitfield2002@...> wrote:
>
> I've got plenty of double conversion UPSs in stock.  Also line
> interactive UPSs (eg APC Smart UPSs).
> The vast bulk of my stock is *not* listed on upsman.co.uk.
> If anyone requires a UPS then please email me with your
requirements
> at
> ups@...   or  andywhitfield2002@...
> Thanks
> Andy
>
> --- In ukha_d@xxxxxxx, "Phil Harris" <phil@> wrote:
> > Maybe I'm missing the point here but if you have kit that is in
> some way
> > sensitive to incoming mains fluctuations then why not simply run
> it from a
> > double conversion UPS instead of trying to disconnect yourself
> from the
> > national grid? I would assume you're not talking of kit that is
> particularly
> > power hungry...
> >
> > Phil
> >
> > > -----Original Message-----
> > > From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx]
> > > On Behalf Of Chris Hunter
> > > Sent: 21 January 2007 10:07
> > > To: ukha_d@xxxxxxx
> > > Subject: Re: [ukha_d] Electric UFH &
> > >
> > >   across the power input to deal with some faults, which
> > > result in over-current, some HP instrumention used to use
> > > some sort of solid state device that was triggered to short
> > > blow the fuse ... they used to call it crow-barring ...
> > >
> > > Chris
> > >
> > > Kenneth Watt wrote:
> > >
> > > >I read it. I went away, dealt with some stuff. I came
back,
> read it
> > > >again. I had a ludicrous amount of wine and then read it
again.
> > > >
> > > >Nope, still makes absolutely no sense at all.
> > > >
> > > >K.
> > > >
> > > >>-----Original Message-----
> > > >>From: ukha_d@xxxxxxx
> > > [mailto:ukha_d@xxxxxxx] On Behalf
> > > >>Of Chris Hunter
> > > >>Sent: 20 January 2007 19:41
> > > >>To: ukha_d@xxxxxxx
> > > >>Subject: [ukha_d] Electric UFH &
> > > >>
> > > >>Dammit ... 'forgotten what this thread's called ...
sorry ...
> > > >>
> > > >>
> > > >>Thanks, interesting ... I guess I was thinking more
of
> something
> > > >>simple, like an electronic crow-bar, that
effectively
> > > shorts the mains
> > > >>& blows the fuse if ever the voltage becomes
excessive ...
> such
> > > >>approaches used to be used in good-quality
electronic
> > > equipment, maybe
> > > >>they still are ... maybe, too, today, a different
> > > technology would be
> > > >>the thing ...
> > > >>such as that used for resettable fuses in consumer
units, or
> RCD
> > > >>shut-off devices ... but something that can pass
100A
> everyday, for
> > > >>the heating system & other household equipment
... plus, of
> course,
> > > >>the UPS to look-after the essentials !
> > > >>
> > > >>Actually, thinking about it, with all this fancy HA
we're
> > > all chasing
> > > >>after, it ought to be possible to program it to tell
when
> things
> > > >>aren't what they ought to be, and do the necessary
... even
if
> i's
> > > >>just keeping an eye on mains voltage ...
> > > >>
> > > >>OK ... what we need, is for Idratek & C-Bus to
include a
> > > volts & amps
> > > >>measuring device in their ranges ...
> > > >>
> > > >>'wonder if the Electrisave could be useful in this,
now that
> Iain's
> > > >>broken the code ?
> > > >>
> > > >>'sorry, 'thinking out-loud !
> > > >>
> > > >>Chris
> > > >>
> > > >>-----
> > > >>
> > > >>Saturday, 20 Jan'07 - 17:53:06 -0000
> > > >>
> > > >>from: Graham Pye   Graham@
> > > >>
> > > >>To protect your electronic devices (eg: PC, TV, etc)
then
you
> just
> > > >>need a UPS, which also has the benefit of keeping
them
> > > going for a bit
> > > >>if you
> > > >>have a power-cut.   I got mine from Andy Whitfield
> > > (www.upsman.co.uk)
> > > >>who sells reconditioned UPSs on EBay, and is a very
helpful
> > > guy !   To
> > > >>regulate the voltage for the whole house, you can
get
> > > constant voltage
> > > >>transformers, but that would be an expensive
solution for
all
> the
> > > >>electrics.   I used to work on things like that in a
former
> > > life, but I
> > > >>never really understood how they worked - it was
something
> > > to do with
> > > >>the characteristics of the core changing under the
> > > influence of some
> > > >>control voltage, but it was a long time ago now !
> > > >>
> > > >>Graham
> > > >>
> > > >>-----
> > > >>
> > > >>Saturday, 20 Jan'07 - 10:52:59 +0000
> > > >>
> > > >> >peaking at over 300V ...
> > > >>
> > > >>Interesting ... 'wonder if there's a device that
could be
used
> to
> > > >>limit incoming voltages (with the winds we've been
having,
and
> the
> > > >>story from Madrid a few days ago - 'though I know
our
earth's
> are
> > > >>better here, thanks to the damp ... ) - 'could save
having
> > > to dig up
> > > >>the floor if the worst happens !
> > > >>
> > > >>Also makes me wonder about our thoughts of going for
wet UFH
> with
> > > >>thermal stores & electric boilers, retaining the
option of
> > > gas -- if
> > > >>electric cables would be easy & less expensive,
maybe we
could
> keep
> > > >>the option of gas through use of (for example) a
Whispergen
> (sp?).
> > > >>
> > > >>Chris
>