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@xxxxxxxSubject: 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 t
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 to 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 to 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, to 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 to
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
t 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 t replace this thermostat with an AD10 ? I
think
the
thermostat switches 220V live though. Does that sound
right?
Cheers,
Justin
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