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palmlodge
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Posted: Thursday Jan 10th, 2008 02:18 pm |
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I've got a Heatmiser control system for the heating system - multi zone, touchpad, etc
This is a vote for a new UCM that can talk into Heatmiser - and Comfort can then totally control the heating system. Cytech have the protocol documentation.
For any Comfort users who have a normal central heating system (or an alternate heating control thats standalone) - Heatmiser do a direct replacement for about £40 (US$80) - this could then be connecte to Comfort.
Last edited on Wednesday Jan 16th, 2008 08:25 am by palmlodge
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Pgordon
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Posted: Wednesday Jan 16th, 2008 08:27 am |
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Aye, - I'd buy that for a dollar....
consider this a vote in favour!
Paul G.
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mikegriff
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Posted: Wednesday Jan 16th, 2008 09:10 am |
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I would vote for it
Mike
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ianh100
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Posted: Wednesday Jan 16th, 2008 09:54 am |
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| Assuming the UCM would work with Comfort 1 then I would go for that!
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fredbasset
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Posted: Wednesday Jan 16th, 2008 07:42 pm |
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Another vote here, I have Heatmiser in all zones and a Comfort system.
A good call for this I think.
Regards
Fred
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phlwht
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Posted: Wednesday Jan 16th, 2008 10:59 pm |
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I'd have one of those if they existed!
We likewise have a number of PRT-N stats, and the touchscreen - woud be great if comfort could control it all based on time, other temps (solar hot water, external and domestic hot water would be great) and occupation.
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palmlodge
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Posted: Thursday Jan 17th, 2008 06:34 am |
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Some good examples of control might be :
1. Allow Comfort to control times and temp. setpoints
2. If Away Mode, dont put the heating on
3. If vacation mode, dont put the hot water on, nor the heating
4. Put controls on the Comfort touchscreen ?
5. Any others ?
Heatmiser PRT-ENs just tell relays to go on or off - they dont switch the load directly themselves. They should pretty much work with any type of heating system.
They are about the same price as a standard off the shelf unit, and gives the advantage of 'networking' - you can easily swap out your existing sensor for the high load version (not the EN's) - and still have networking.
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JimNoble
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Posted: Friday Jan 18th, 2008 12:16 pm |
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This sounds very useful.
We're going to be extending the house this year, and intend to fit Comfort in the process.
We have Smartfit already so will fit the UCM to control that (if we end up keeping the smartfit controller), but we'll need additional zoned control for the new rooms. Smartfit doesn't support multiple zones, but the heatmiser range looks like it could fit the bill.
Jim
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garym999
Comfort Installers
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Posted: Monday Jan 21st, 2008 07:32 am |
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We have also looked at this briefly and the cost/performance of heatmiser is attractive.
As I understand it all zone control is local to the heatmister stat, that is temp readings, timers etc. but these are all blurted over a RS485 bus. And can be overridden remotely aka thier touch panel.
So Comfort should be able to report/adjust zone temps & provide timer control of different zones readily.
Another intresting product although closed is Honeywell's CMZone. If this could be hacked it offers retrofit options for those with radiators. I know Hometronic is the baby here but it starts to add the expense & duplicates Comfort in many ways.
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AJTaylor79
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Posted: Saturday Jul 12th, 2008 10:40 am |
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Hi Guys
Can anyone offer me advice on how to get my computer communicating with my heatmiser thermostate, I have bought a RS485 convertor but have no idea after that.
Any help would be appreciated.
Thanks
Andrew
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mwillett
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Posted: Tuesday Sep 2nd, 2008 01:05 pm |
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AJTaylor79 wrote:
Hi Guys
Can anyone offer me advice on how to get my computer communicating with my heatmiser thermostate, I have bought a RS485 convertor but have no idea after that.
Any help would be appreciated.
Thanks
Andrew
Hi Andrew,
I've just order a Heatmiser PRT-N, I have an RS485->RS232 convertor so aim to connect this to my computer. I have the protocols which don't look too difficult so I've written the basic code. Once the equipment arrives, I'll give it a go.
Are you (or anyone else) interested in helping out in getting the code working or improved ?
Mike
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palmlodge
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Posted: Tuesday Sep 2nd, 2008 03:55 pm |
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Mike
I have the same kit so yes ! :-)
If we cant go direct to Comfort, how about a homeseer plugin ?
Last edited on Tuesday Sep 2nd, 2008 03:55 pm by palmlodge
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AJTaylor79
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Posted: Tuesday Sep 2nd, 2008 07:28 pm |
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Hi Guys
Where did you get the Protocols from?
A homeseer plugin sounds fantastic by the way its exactly what I am looking for!!!!!!
Last edited on Tuesday Sep 2nd, 2008 07:30 pm by AJTaylor79
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mwillett
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Posted: Wednesday Sep 3rd, 2008 08:28 am |
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Got the protocols from technical support at Heatmiser.
I can send them to you if you wish.
They're not especially well documented - but hopefully not too difficult to reverse engineer from what I've got.
The Heatmiser run off 12v so my first issue will be connecting them up somehow.
Mike
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palmlodge
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Posted: Wednesday Sep 3rd, 2008 08:33 am |
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Here you go - protocols
Attachment: Heatmiser Protocol.zip (Downloaded 7 times)
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mwillett
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Posted: Saturday Sep 6th, 2008 03:24 pm |
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Hi,
Does anyone know much about the PRT-N wiring.
I know it runs off 12V, but what about the Amps/Watts ?
Whats an appropriate transformer to use ?
Mike
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garym999
Comfort Installers
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Posted: Saturday Sep 6th, 2008 03:36 pm |
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Not sure but it will only be mA. Mine is powered but Comfort. I only use the relay side of things at the moment.
I to would like full Comfort integration. There is an RS485 UCM but we would need a translator module to pass values in/out of counters etc.
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garym999
Comfort Installers
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Posted: Sunday Sep 7th, 2008 07:03 pm |
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Just to clarify. I have a very simple heating senario at the moment...
House is equipped with a combi boiler with all radiators having thier own thermostatic radiator valves. At the moment Comfort just simulates the time clock on the boiler. With the benifit that the heating gets switched off to save energy in away mode.
I have the heatmiser stat connected to comfort via its internal relay contacts such that it turns on the heating regardless if the temp gets below 12deg. This means the house is quick to warm up when we return and that it keeps the damp away.
Now the next part would be to not use the relay but pass the temp via the network to a comfort counter allowing a far more flexible programing options and senarios.
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