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Fw: Replacing and automating the Central Heating switch (PIC
fixed)
- Subject: Fw: Replacing and automating the Central Heating
switch (PIC fixed)
- From: Gareth Cook <g@xxxxxxxxxx>
- Date: Fri, 3 Feb 2006 08:40:02 +0000
A solid state temp sensor for Comfort or CBUS would be nice - I'd
switch
to that. But I dont have any pc's controlling anything and I'm not going
to start now :-) One of the reasons why 2005 has been a stable HA year at
Palm Lodge.
Good that someone else has done this - I'll have to wait until I install
the new CBUS 12-way next week before I can do this
G.
Gareth Cook
Tools and Process Architect
IBM SWG Sales - Lotus Park, Staines, TW18 3AG
Office: +44 (0)1784 445166 - Mobile: +44 (0)7980 445166
AIM Chat : TheBoyG - MSN Chat : chat@xxxxxxx
email: g@xxxxxxx
----- Forwarded by Gareth Cook/UK/IBM on 03/02/2006 08:33 -----
Discussion
Main Topic
ukha_d@xxxxxxx
Yesterday 19:03
.
Subject:
.
RE: [ukha_d] Replacing and automating the Central Heating switch (PIC
fixed)
.
Category:
Gareth,
This is exactly what I have done in my existing cottage. An MK 4 switch
2 way wall plate allows me to switch between electromechanical and
computer controlled very easily.
Com. to Original boiler connection
L1 to old system
L2 to computer control
I have used it once, can't remember why though...
FYI I use Midon Temp05 with Dallas one wire sensors and Relay05
controlled with very simple VB script in Homeseer. Temperature
adjustment (if required) via Pronto and X-10 ir receiver, audio feedback
of actual temperature and new setting. E-mail notification if the wife
turns the setting up... Also set back if outside temperature reaches a
certain point by 9am in the morning...
Nigel
-----Original Message-----
From: Gareth Cook [mailto:g@xxxxxxx]
Sent: 02 February 2006 09:19
To: ukha_d@xxxxxxx
Subject: Fw: [ukha_d] Replacing and automating the Central Heating
switch (PIC fixed)
Or
I could install a 2-way light switch between the feed to the old timer
and
cbus, and the feed to the boiler. So when switched one way, CBUS
controls
feed. When the boiler man arrives, flick the switch and the old timer
module now controls the feed.
Sounds plausable...
G.
Gareth Cook
Tools and Process Architect
IBM SWG Sales - Lotus Park, Staines, TW18 3AG
Office: +44 (0)1784 445166 - Mobile: +44 (0)7980 445166
AIM Chat : TheBoyG - MSN Chat : chat@xxxxxxx
email: g@xxxxxxx
----- Forwarded by Gareth Cook/UK/IBM on 02/02/2006 08:58 -----
Discussion
Main Topic
ukha_d@xxxxxxx
Today 00:28
.
Subject:
.
RE: [ukha_d] Replacing and automating the Central Heating switch (PIC
fixed)
.
Category:
That works!
What I have done is put a relay from the Timer output to the boiler
Then I run the timer to always be on
The relay the says when it is off via in my case HomeVision
The advantage of this is I then have a test mode where the relay is
always on
So if any one comes to fix the boiler
Put it into test mode and as far as they are concerned it is a normal
control system they are used to
I have a 12v 2 mains relay in the boiler
That way nothing control wise leaves the enclosure
Far better that running mains from the boiler to the C-bus relay and
back again
If that isn't clear give me a bell or mail
Mike
http://tinyurl.com/bqo3r
G.
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