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Type: Posts; User: MajorDanby

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  1. Replies
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    396

    Edit: wrong thermostat - got my product codes...

    Edit: wrong thermostat - got my product codes mixed up
  2. Replies
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    533

    Yes, if you go into the installer menu and then...

    Yes, if you go into the installer menu and then system devices you will see an option for boiler control, which will be set to Ďnoneí. From this menu you can select boiler control as opentherm which...
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    Yeah, itís actually fairly simple. Leave the...

    Yeah, itís actually fairly simple.

    Leave the existing system configuration as is - I.e the room stat or HR92 calls for heat from the evohome controller which in turn activates the bdr91 and opens...
  4. Stratification occurs in a hot water cylinder by...

    Stratification occurs in a hot water cylinder by design. Stick it to 60 deg c and you will be fine
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    Have you tried changing the batteries in the hot...

    Have you tried changing the batteries in the hot water sensor? When mine ran low it generated a multitude of comms errors
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    536

    You wouldnít wire it in parallel, it would be in...

    You wouldnít wire it in parallel, it would be in series - ie the controller would only provide power to the BDR if it was set as on.

    The Rayburn would need an open loop so that the temp in the...
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    490

    OpenTherm controlled via evohome will fire the...

    OpenTherm controlled via evohome will fire the boiler at max if the hot water package is added, as it know the call for heat is for DHW rather than CH.

    You can do either 2port or 3 port valve it...
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    My understanding (and please wait for those more...

    My understanding (and please wait for those more qualified to comment) is that you will need to retain your zone valve. If you didnít have it then the HW would be heated every time the CH calls for...
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    For me it works pretty much perfectly. With the...

    For me it works pretty much perfectly. With the HR92s dependent on location in the room you just have to accept that a certain set point doesnít equal a certain temperature - adjust and move on.
    ...
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    For the ideal range, they have separate OT...

    For the ideal range, they have separate OT connections but need to leave the common wire in place on the stat connections
  11. Replies
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    837

    Mick, just make sure you leave the common wire in...

    Mick, just make sure you leave the common wire in place on the stat connections else it wonít work!
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    Iíve just connected the bridge to my Ideal Logic...

    Iíve just connected the bridge to my Ideal Logic Max 24s and it works great. Doesnít override the max temp set point on the boiler so delivers 70 degC on domestic hot water and around 50-55 when rads...
  13. Iím actually just in the process of getting UFH....

    Iím actually just in the process of getting UFH. 2 zones and so Iím going to get HCC80R.

    Iím no expert here, but I believe a single evohome controller can only independently control 2 BDRs (CH and...
  14. I canít necessarily comment on the...

    I canít necessarily comment on the accuracy/resolution on the Drayton Digistat as I have never owned one.

    I can talk about my experiences with Evohome though.

    I have 12 zones and the...
  15. Why are you installing the BDR in the hall? You...

    Why are you installing the BDR in the hall? You could directly install the bdr into the wiring centre which I would guess is located next to your hot water cylinder, and then have a clean wall in...
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    Evohome DHW overshoot c8degrees

    Hi all,

    Had evohome for a few years now, with DHW.

    I recently (3 days) ago had a new boiler installed and moved to OpenTherm from the previous on/off switched live. Boiler is an Ideal Logic Max...
  17. Geofencing EvoHome using Samsung SmartThings: GUIDE

    All,

    Since the demise of IFTTT support of Life360 I've been searching for a way to deactivate/activate economy mode when the first family member enters the house/last family member leaves the...
  18. Replies
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    My BDRs switch the zone valves rather than the...

    My BDRs switch the zone valves rather than the boiler for DHW and CH. The switched live (orange) from the valves then provide the boiler with the call for heat.

    I assume that the simple answer...
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    Evohome, S-Plan and OpenTherm

    Hi guys,

    Any advice on how to install OpenTherm on an existing EH/S-plan system?

    I appreciate that it is not necessary with EH to even have any zone valves, but Iíd like to retain them for if I...
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    Thanks guys, appreciate the advice. Kevin...

    Thanks guys, appreciate the advice. Kevin particularly like your suggestion. Feels much neater with the temp override cutting zone valve and therefore boiler call for heat.

    Interestingly spoke the...
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    695

    Thanks Bruce, we will be having two separate zone...

    Thanks Bruce, we will be having two separate zone for the UFH
  22. Replies
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    695

    Evohome underfloor heating

    Hi guys,

    Had EH installed for a couple of years now on with an S plan system.

    Just about to have an extension and will be installing UFH. Just wanted to check if there is anything I should be...
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    Iíd imagine itís because your power was cut for...

    Iíd imagine itís because your power was cut for the installation of the meters and the controller detected the BDR91ís lost power. I.e would have been unable to actuate the heating valves
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    HELP: Comms Fault on HR92

    Hi all,

    Iíve been running evohome for approximately 12 months and have just added an additional 5 zones to my system, so that is 11 in total - alongside the hot water package.

    I purchased the...
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    Securing Evohome DHW Thermostat

    Hi all,

    First post here, but i'd like to thank all of those who have taken the time to explain the intricacies of the evohome system in various posts, especially Richard with his very useful...
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