Last seen: Dec 1, 2025
@tim441 same with me! Installer & commissioning engineer left Climate Compensation disabled and fixed 50degC flow temperature. It was costing a fo...
My personal take: 'playing to the gallery' The overwhelming membership of the EUA seem to be from the fossil fuel and direct electric heating industri...
I think MCS MIS3005 standard requires weather compensation to be enabled wherever it is an option on the system controls Tim. The design temperature i...
Plinth heaters will work with any heat source, boiler, ASHP, etc. Heat output is purely a function of water inlet temperature, room air temperature, w...
Octopus seem to get it. I moved to them for electricity and their Cosy tariff really works for us. Great customer service.This is a well detailed and ...
It's a pi$$ poor location for the ASHP, there will be an efficiency penalty. The Grant installation manual is a copy of Chofu's Japanese detail. The '...
Are you looking to provide an extra 3kW of water heating capacity on occasion Mars @editor? The Grant LLH can be used purely as a 11.5l volumiser. It ...
Hi @ericdo. Noise is a difficult subject. MCS 020 noise assessment guide is a rough estimate tool for installations to check, on paper, dB(A) theoreti...
55m2 is a very small heated area, a 5kW unit would provide 90W/m2, which is at the higher end of the 65-85W/m2 'typical installed heating load' for a ...
AFAIK, SMETS2 2nd generation smart meters are able to share data between suppliers. Each energy supply company will partner with a 3rd party smart met...
It was straight forward for me. External metre box, my then supplier OVO installed the smart meter. I was pleasantly surprised that, even though it wa...
Pop a tablet mate 😉
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RE: Electricity price predictions
My apologies. I should've written "The number and dep...
By Transparent , 12 minutes ago
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RE: Solar panels on side of house to heat water
I wouldn’t try a direct linked system of DC at all sinc...
By Judith , 23 minutes ago
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RE: Replacing my 18 month old Hitachi Yutaki ASHP
JamesPa Below is the plot of yesterdays run (30 Nov). ...
By trebor12345 , 28 minutes ago
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RE: Flow rate discrepancy between ASHP and manifold
@ashrolls Air circulating in the system will confuse fl...
By bornagain , 38 minutes ago
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RE: Help…my NIBE heat pump has faulted again!
If it happens only when it gets cold then it maybe that...
By JamesPa , 51 minutes ago
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RE: Grant Aerona3 - Home Assistant control via Modbus
Has anyone got past this screen to set up the integrati...
By AlanW1212 , 54 minutes ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
Hi all, Brief update on this now that I've had a bit ...
By benson , 1 hour ago
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RE: Heat Pump Training vs. Real-World Installation
@lucia have you discoveredfor how green each of our ene...
By Judith , 1 hour ago
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RE: Diagnostic Data Needed for Repeatedly Failing Tesla Powerwall 3 System
You seem to be on the right track... Installers are rec...
By Batpred , 10 hours ago
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RE: Should Our Water Circulation Pump Be Configured to Run All The Time?
there's a detect cycle setting (4200) on the old grant ...
By damonc , 12 hours ago
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RE: Commencing on an ASHP Installation Process
@sheriff-fatman It's also worth highlighting that th...
By Lucia , 13 hours ago
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RE: Hitachi Yutaki SCombi Heat Pump - Owners
. It does but, unless there has been a firmware updat...
By JamesPa , 15 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Yesterday it was chilly and the cosy6 had a Cop of 4.3 ...
By AgentGeorge , 17 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Same here! This month 187kw.
By Andris , 18 hours ago
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RE: Grant Aerona circulation/system pump staying on
@mikefl thanks, so to check is your parameter 4200 set ...
By damonc , 18 hours ago
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Are Water Companies Delivering Bricks?!
Please look away now if you don’t wish to lose several ...
By Toodles , 18 hours ago
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@jamespa Ah, they do indeed do firmware updates very oc...
By Toodles , 23 hours ago
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I’m trying to rule out a fault, could owners of above c...
By Unsure , 23 hours ago
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RE: Jokes and fun posts about heat pumps and renewables
And I thought I was the one with the taxi on speed dial...
By Majordennisbloodnok , 1 day ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
The problem I see with A2A (and I'm interested if there...
By Temperature_Gradient , 2 days ago


