Honeywell Evo system design help.

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26 Aug 2015
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Hi,

New to the forum and Ive found it while looking for information or assistance with regard to my home central heating/hot water issues.

In short, we have had a rather large extension put on our house, which while we were at it, we had the whole heating system renewed as part of the existing house was an atiquated one pipe system. We are now looking for a suitable control for this system. It was discussed with the plumber and electrician at the start of the project that some form of wireless station would be useful if we need to turn on/off heating or hot water when we are in different parts of the home - either playing with the kids in the playroom or entertaining in the kitchen etc..

However, now we come to the final part of wiring the system up, the electrician and plumber are in disagreement as to whether we can actually have the control we want, and I think they may be into territory where they havent got that much experience if Im honest, good though they have been throughout the project. So ive started doing some digging myself and think that the Honeywell evo may be able to assist.


The system:

We have an unvented heating system, hot water cylinder and hot water loop.
There are two boilers, acting together (one fires up to assist the other if it cant cope - advised to change which is the primary every now and then to spread the load)
We have two underfloor heating zones controlled by thermostats in each and fed by a single manifold.
All radiators have TRV's
We have two wall mounted stats, one upstairs, one downstairs. How useful these would be in dictating temperature for the whole each of those is debateable given the size of the house now.

We have 24 individual areas (though Im sure some of these could be combined), 29 radiators and the 2 underfloor heating areas.

Boilers, tank etc all in the garage.


Though of course if there is an experienced Honeywell installer local to me that wants to come and look at this job first hand, feel free to let me know.

Can the EvoHome cope with this and do you have any advice? My electrician seems to think that the underfloor heating being two zones from a single manifold is throwing a spanner in the works, though I dont think he has worked much with nest/hive/evohome systems as he was just reading about them yesterday when I spoke to him.

Thanks in advance, Ive created a couple of PDF's to show the layout as I appreciate its a bit vague without some sort of visual.
 

Attachments

  • Downstairs Layout.pdf
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  • Upstairs Layout.pdf
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