Y87RF with BDR91 and no Evohome controller
Having finally given up on Evohome due to constant overshoot with no apparent solution I thought I would try using a Y87RF bound directly to the BDR91 connected to my combi boiler. I was amazed to see...
View ArticleEvohome CS92 hot water transceiver connection
I would like to understand the schema of the connections for the CS92 hot water transceiver. I have an existing Evohome system already wired which controls my heating system and so I have a BDR91 that...
View ArticleHoneywell BDR91 / Honeywell Home evohome to...
Hi folks, Looking for a little advice on moving on from our current set up, which is a Honeywell Home evohome > BDR91 > honeywell zone valve (V4043H, I believe). One small oddity - the house was...
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Does what it says on the tin
I work from home, now the weather has turned I'm nice and toasty in my home office and not burning loads of gas heating the rest of the house... 20211102_121742.jpg 20211102_123025.jpg Attached Images...
View ArticleCompetent installer wanted in West Yorkshire
I am urgently in need of a new boiler install in Huddersfield. My plan was to go with twin Opentherm boilers around 30KW each System is a very large listed home with currently a Potterton Eurocondense...
View ArticleHoneywell APP/API seems to be 'lagging' ...since the clocks went back?
I hope I can explain this well enough... First off, what I think are the pertinent aspects of my setup: Country: UK Thermostat: Honeywell T6 Honeywell Home App: v6.9.0 - 509000965 API Version: 2...
View ArticleHow do you close the hole of the CS92 immersion sensor?
For my hot cylinder, I use the immersion sensor provided with the Honeywell Hot Water heating kit. What it's not clear to me is, once the sensor is down, whether I should close the hole somehow to...
View ArticleEvo Home Multi-Room Zones and BDR Demand
We have a fairly large open-plan section of the house (6 radiators - 4 HR91, 2 HR92), and have also effectively run out of zones. Consequently, this section is configured as a single zone. It's been...
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Proper wiring for the heating of the hot water
This is the diagram of the wiring of my boiler when the circuit is closed and it is heating the water in the hot water cylinder. In my boiler, I have three contacts Tc, TB1, and TB2 as shown in the...
View ArticleEvohome Opentherm and DBR91 issue
Hello, I am a new user, have been reading this forum for a while but only now decided to register as I have a small issue with my new Evohome installation. I have an S plan heating system, couple of...
View ArticleEvohome hot water problems
We have Honeywell evohome and I need a bit of help re the hot water. Its been getting seriously overheated, up to 80deg in our Megaflo. I have it set to 65 with 10 differential. It seems to have...
View ArticleMassive overshoot of temperature HR92
Hi guys...I'm losing patience now with my Honeywell system and want to ask if there is a genuine fault or if the system is behaving normally. The issue relates to one bedroom that currently has the...
View ArticleIssue with HR91 / radiator valve
I finally got around to installing a HR91 onto the radiator in my dressing room, the only one that didn't have an evohome valve on it. When I installed the system a couple of years back, I changed all...
View ArticleBoiler can't modulate down low enough
Hi, just an observation, I've noticed that when I'm sat in my home office with just the office radiator on (evohome shuts down the rest of the house during the day) my boiler can't seem to modulate...
View ArticleHoneywell Evohome and UFH Controller HCE80/HCC80
Hi, I have an issue on the following setup: Air source heat pump (without buffer tank)Honeywell Evohome controller ATC928G3000Honeywell BDR91T relay (paired to Evohome controller)Honeywell UFH...
View ArticleIdeal Vogue Gen2 Combi Opentherm issue?
Hello All, I am looking for some advice regarding my boiler and thermostat controller. The boiler is Ideal Vogue Gen2 Combi, installed 4 years ago. Recently I upgraded heating controls to Evohome with...
View ArticleElectric heating and hot water automation?
Good evening all. Having tried searching the forums for similar threads I have an inkling I am going to be disapointed with the present state of the art for automating electric heating. However here's...
View ArticleEvohome hot water settings to prevent legionella
I've been quite surprised that I haven't find any mentions about goods settings for the evohome hot water kit that would prevent the legionella in our hot water cylinders. It's important to save money...
View ArticleIdeal Vogue Max, R8810A and Pump Speed
Hi, The other night I set up my R8810 and my Evohome thermostat with a load of HR92's. New to Evohome, goal is to eventually integrate with Home Assistant. All seems to work well, except my motivation...
View ArticleInstall GSHP before RHI payments stop? Evohome GSHP control
Just had 1,200m2 of farmland returned to me. My daughter is tennis mad and would like a tennis court constructed. I figure it makes sense to prepare for the future and install a Ground Source Heat Pump...
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