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Last seen: Apr 26, 2025
Just to close this. Finally had the installer back last week to fit an immersion thermostat with a higher rating. As expected, no more rapid s...
Rather than disconnecting the Evohome boiler relay, I've added a switch across the relay contacts. This way, I can either have it on continuously, or...
The reason why the pumps were stopping is because the heating was switching off. The Evohome controller starts "modulating" the BDR91 boiler relay a...
I'm struggling to understand the "logic" used by the FTC6 to run the compressor and pumps. Graphs from today, 8 degrees OAT, WC curve target is 40 d...
After a week of using AA mode, I've switched back to pure Weather Compensation mode. I had a couple of instances when the house started to get too c...
I left it in AA mode overnight, with the wireless remote set to a target temperature of 19.5, and with the Evohome TRVs limiting the temperature in mo...
Count me reassured . I'll switch back to WC mode, and remove the wireless remote if necessary. I'm reasonably confident that once I've rep...
I'm pretty sure that I am overthinking it. It's just that so many people say " low and slow, cycling is bad", etc. If by that, they actually mean "l...
There is a setting for "room temp control interval", but I'm not sure if this just applies in AA mode for reading the wireless sensor, or whether it a...
Just to clarify, the hallway is heated by a 600x1100 T21 radiator. It does leak a fair amount of heat up the stairs, and into the integral garage (o...
I don't think AA mode is going to work for me. The outside temperature dropped sharply overnight, from 8 degrees to 3 degrees in less than an ho...
Looks like I got it wrong. With it set to "Main RC", it seems to be using the temperature sensor in the wired controller, but the wired controller i...
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RE: Heat pump Surge protection
@transparent Many thanks for the advice and I will cert...
By DavidAlgarve , 33 seconds ago
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Here's an excellent explanation. If you have non b...
By bobflux , 2 hours ago
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RE: Aerotherm 12+12kw cascade huge power utilisation
@editor This is really crazy. I can sort of understan...
By JamesPa , 6 hours ago
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Or just add any further discussion to the other thread....
By cathodeRay , 7 hours ago
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RE: NIBE Heat Pump Warranty: What's an Adequate Engineer Attendance Time?
@hughmark, great to hear. Fingers crossed that it’s sor...
By Mars , 18 hours ago
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RE: Daikin high temperature heat pump
I’ll check in with Daikin to see if they can help answe...
By Mars , 18 hours ago
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RE: Samsung Gen 7 16kW Integrated unit Modbus monitoring
@johnnyb HI,I have an integrated unit with all componen...
By antonical , 20 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@papahuhu Ironical isn’t it? The last few days, the ‘Ag...
By Toodles , 22 hours ago
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RE: Setback savings - fact or fiction?
I answered that days back, I even provided a summary of...
By RobS , 22 hours ago
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RE: If a heat pump can only heat DHW to 50C then what? Issue with 18KW Heliotherm heat pump
I must say that this install is sounding more and more ...
By Mars , 1 day ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Thanks, that’s a fair point and I agree th...
By Eliuccio , 2 days ago
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RE: The law of unintended consequences....
Oh Thank you Major, I was just beginning to wonder wher...
By Toodles , 3 days ago
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RE: Forum updates, announcements & issues
I know that the notifications are being delivered now w...
By Mars , 3 days ago
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RE: Advice needed after a successful "leftfield" experiment.....
@pauli I have sent a direct message with the financial ...
By ChandyKris , 3 days ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
Does it disappear when the heat pump is off? What abou...
By JamesPa , 3 days ago
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RE: Fitting heat pump plumbing and pipes in advance?
Great tips, thanks. The PEX/Al/PEX option sounds much m...
By Jonatan , 3 days ago
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RE: Struggling to get CoP above 3 with 6 kw Ecodan ASHP
Those control valves on the UFH manifold could be an is...
By Travellingwave , 3 days ago
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RE: Daikin Altherma 3 LT compressor longevity question
Up to a point yes. However every heat pump (and every ...
By JamesPa , 4 days ago
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RE: New Build ASHP Defects - Looking for Advice, Support & Shared Experiences
Is that a single pair only? If so it may be part if th...
By JamesPa , 4 days ago
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@batpred, you’re quite right; it does work well. I don’...
By Majordennisbloodnok , 4 days ago
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RE: Ecodan Cylinder Possible Weeping Around Thermostat Port
Update: Mitsubishi sent an engineer around. It was li...
By Gruff2001 , 4 days ago
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RE: A Smarter Smart Controller from Homely?
@benson Agreed. I believe the COP gains with homely, i...
By Papahuhu , 4 days ago
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How to Find All Your Posts and Topics on the Forum – A Quick Guide
If you’ve ever posted something on the forum and then s...
By Mars , 4 days ago

