One HR92 gone crazy in dual-valve zone
We have two radiators in our kitchen. The battery one one was getting very low and today it announced "sensor fault" which I guess is related though the battery hadn't actually died. When I went to...
View ArticleEvohome control for Underfloor heating to replace 3 radiator zones
We are about to revamp part of our downs stairs living space and replace 3 radiator zones with under floor heating. Our system is open vented with a single circuit radiator currently running 11 zones...
View ArticleEvohome zone forgetting 'Windows open' parameter
I'm an old-timer with Evohome and have had this irritation for some time. When I disable the 'Windows Open' option in certain zones the controller forgets it and reenables it sometime later. This is...
View ArticleEvohome battery changing - forgetting settings, accidental override
I have several times changed batteries in my H592 units only to realise later that I turned the top in the process and have set some crazy override temperature like 24C. Is there a way on the unit...
View ArticleHELP - System running with no control?
We have had an Evohome installation for 3-4 years now, no big issues to speak of. We came home from a weekend away with the system set to 'away', my wife adjusted some of the rooms (2 x UFH zones &...
View ArticleOpenTherm Operation
I have recently purchased and installed Evohome system. I just wanted to check my understanding as I believe the system is not operating as it should. On the controller, if there is heat demand on the...
View ArticleBoiler Heat demand
Could someone clarity the operation of heating demand when using evohome on a combi boiler.. Will the evohome controller cycle the boiler defined "under cycle time" if there is no demand, or will a...
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Bindings Mixed up?
I have two Zones of UFH; Kitchen & Bathrooms. When I Turn on the kitchens, Zone 1 lights up on the HCC80R as expected, and the flow valves open for Zone 1. It shuts off no problems afterwards....
View ArticleHELP: Comms Fault on HR92
Hi all, Ive 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 HR91s for...
View ArticleThe future of EvoHome Products?
hought i'd kick off a new thread to gauge people's thoughts on the future of EvoHome. For complete transparency - I haven't had a great experience with my EvoHome system so having spent best part £900...
View ArticleBathroom Thermostat for evohome system
Hi All, I'm getting underfloor heating installed in some bathrooms along with installing an evohome system for heating control. I am wondering what Evohome thermostats people use in bathrooms? As far...
View ArticleEvohome faults
I had smart meters for gas and electricity installed yesterday. I noticed shortly after the installation a fault showed (mains low) followed two minutes later by (restore). What does this mean?
View ArticleDrayton wiser - what bits do I need ?
Hi all I'd like to setup my radiator CH system using Drayton Wiser, but not sure what I need. I have 5 radiators in bedrooms, and 3 towel radiators in bathrooms. It's all fed from a heat bank, so I...
View ArticleOpenTherm - experiments and questions
So... I have a WB Greenstar Classic 42 CDi ErP, which I've "persuaded" into giving me access to electronic data via a) https://en.robbshop.nl/ems-ot-opentherm-converter-nefit plugged into b)...
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VysaTherm3000 Electric Underfloor Heating & EvoHome - Question?
Hi All, I wonder if you could assist me. I am specifying a Honeywell evoHome installation, and one room has electric underfloor heating that needs to be controlled by the evoHome system After reviewing...
View ArticleCalling for heat
Hi Can someone remind me how to see which rad is calling for heat on the Evohome Controller Many thanks Mick
View ArticleWhy is Evohome calling for heat when all zones are below setpoint ?
I have evohome with eTRVs and a BRD91 controlling the boiler, plus another BRD91 opening a zone valve on some UFH (which is bound to the main unit). All "optimisations" are turned OFF. It mostly works,...
View ArticleEvohome calling for heat when off
I've had an evohome system installed for over a year. It has 6 HR92s. The problem I have is that the system calls for the boiler to be on after about 5-10 minutes after I've turned the heating off by...
View ArticleUpgrading old Honeywell CM system to Evohome - compatability question
I am planning to upgrade my Honeywell controlled heating system to Evohome and am trying to work out which of the components in my current setup will be compatible with the Evohome controller. The...
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