Ahh, but some of the timers are mounted on/in the boiler itself
and
could be using DCV and not the ACV from mains like my Vokera did although
the
timer was 240AC in that one, others are not. Just a bit of advice nearly
learned
the hard way J
K.
-----Original
Message-----
From: steve
[mailto:steve@xxxxxxx]
Sent: 06 July 2001 22:33
To: ukha_d@xxxxxxx
Subject: Re: [ukha_d] Automate
my
central heating - How?
You can of course use a relay contact in place of the
thermostat/timer
and avoid even having to try to figure out the internal wiring of the
boiler.
On mine personally the heating
side
of the combi is controlled by a triac which has t be sufficient rating to
carry the pump current. A relay would have been
simpler.
----- Original
Message
-----
Sent: Friday,
July 06, 2001 7:22 PM
Subject: RE:
[ukha_d] Automate my central heating - How?
Justin,
Scary stuff, I wanted t do this in my last
house
that had a combi,
here's the hurdles:
1. You need to find out what wiring fires the
boiler on from both the
boiler stat and the room stat.
2. If it's off the internal timer, or a
separate
timer, you need to
isolate which wires switch the boiler stat, t
bring the boiler on.
3. You need to find the *INTERNAL* switching
voltage of the boiler, some
operate on 24V, some on 12V and most on
240AC.
Then you can start to figure out how or what
you
want t do.
K.
-----Original Message-----
From: Justin [mailto:justin@xxxxxxx]
Sent: 06 July 2001 14:45
To: ukha_d@xxxxxxx
Subject: [ukha_d] Automate my central heating
-
How?
I am clueless when it comes to electrics so I
thought I would ask before
I
blow somthing up!
I would like t be able t control my gas
combi
boiler using X10 but am
not
to sure how to go about it.
The central heating works on a built in timer
at
the moment (not while
it's
this hot though!) but there is a thermostat in
the
garage (where the
boiler
is).
Would it be possible to replace this
thermostat
with an AD10 ? I think
the
thermostat switches 220V live though. Does
that
sound right?
Cheers,
Justin
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