BDR91 help

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lostkat
Posts: 1
Joined: Thu Jun 01, 2017 2:27 pm

BDR91 help

Post by lostkat »

Hi, I'm hoping that you can help me.

We had Evohome installed on Monday and I thought everything was running correctly. However, I'm working from home today and noticed that the boiler has fired up, the pump is running and the green light is on the BDR91 as well as a slowly flashing red light. I've just put it into "away" mode and everything has shut down again, but as soon as I switch it to normal, the boiler fires up. None of the zones are showing as requiring any heat though, so I'm stumped.

We have 11 zones controlled by 13 TRVs. All of them are off. We also have the hot water kit installed.
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Richard
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Joined: Fri Jun 10, 2016 4:08 pm
Location: Mid Wales
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Re: BDR91 help

Post by Richard »

Hi,

Either the BDR91 or evohome Controller is not fitted/bound as per the manufacturers instructions or the HR92's are not calibrated correctly (black hand wheel fully anticlockwise before fitting the head on to the valve base plate) and this includes the valve base plate being 'over-tightened' on to the radiator valve body.

I hope that helps.

Thanks,

Richard
Home: 2012 Built Oak & Timber Frame Home (EPC Score 95 - A Rated)
Renewable Tech: GSHP, Solar Thermal, Solar PV & 20kWh Battery Storage
Smart Home Platform: Home Assistant, Shelly & Salus Smart Home
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