Last seen: Feb 23, 2025
@bobtskutter In order to calculate the energy required to defrost the evaporator you are going to need some additional info including evaporator mass,...
@cathoderay To answer your question regarding this The inverter pcb contains a VFD (variable frequency drive) circuit that drives the 3 phase compre...
Waste heat recovery could be an option? Are we talking about a single shower cubicle ike this:- "5 showers in a row" and this springs to mind!
Are you saying then + or - 10% or + or - 5% I note that the tolerance for ashp ratings (EN14511) are: Tested cooling and heating capacity ≥ 0,88...
How close to the true heat loss figure do we need? Is it actual heat loss + or - 20%, ....?or more likely heat loss - 0 to +40% Or heat los...
Possibly RAL7035? Try matching using the attached colour chart
@jamespa a) yes, most probably b) yes, it's a trait we humans have c) a sweeping statement and that's the bit I find very hard to agree with.
@jamespa Exactly! The book is about the political response....the science is not in dispute.
@judith Its a political subject. You have to ask yourself just how many Labour supporters would give a glowing review on a Tory manifesto? And how man...
I have always thought the volumiser should be plumbed in series with the secondary heat exchanger and not in parallel with it (as shown in @iantelesco...
@cathoderay I would suggest you investigate the power requirements of your circulating pumps and subtract that figure from your daily energy in calcs ...
@jamespa Would you kindly but briefly explain the term "degree minutes per day" and how they relate to heat pump running costs. Also why no mention in...
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Latest Posts
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@gary I'll try and help, but at the moment I'm not rea...
By BobTSkutter , 1 hour ago
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RE: Additional Battery v Wind Turbine v Ripple
The biggest problem for the Coops is that Ripple funded...
By Abernyte , 1 hour ago
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RE: The EPC Dilemma: How Current Ratings Fail Heat Pumps
I've commented earlier in this thread, finding the same...
By Mike Patrick , 2 hours ago
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RE: To relocate or add extra PV panels..advice required
It looks normal up to 10:30!
By Judith , 2 hours ago
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RE: Ecodan Auto Adapt Questions
@boycey Think I'll wait to see what Misti come up with....
By Richard24738 , 3 hours ago
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RE: SolarPV tables / online calculator
This guy did a good analysis in summary go down a...
By Judith , 3 hours ago
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RE: Is it worth siting panels on an East facing roof?
@carpenterstation oops - yes I do! 7MWh
By downfield , 5 hours ago
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RE: ASHP Ecodan L9 error - No Heating but Hot Water
@dnagre delayed reply! It worked again for a bit but ha...
By Phoenix15 , 6 hours ago
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RE: Vaillant Arotherm Plus - new build no heating, no radiator
@john1756 did you ever get to the bottom of this?
By Mars , 8 hours ago
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RE: Aira Heat Pump: Stylish Scandinavian Heating
We tested the away mode for the first time as we were a...
By ChandyKris , 10 hours ago
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RE: Plug and play solar. Thoughts?
Looks really expensive to me. For £1200 you can get a 3...
By DerekDeLeon , 11 hours ago
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RE: Confused about Samsung Gen6 Hot Water Controller
Found a copy on this really good website 🤣 ...
By DerekDeLeon , 11 hours ago
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RE: Smart TRV experiences (ideally integrating with Midea heat pump)
@madbilly - I think you may risk over-complicating this...
By cathodeRay , 12 hours ago
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RE: Nibe F2040 ASHP PCB failure
@editor that is awesome! Your help is much appreciated.
By Delta , 21 hours ago
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RE: Are MCS are finally improving (some of) their guidelines?
Encouragement of installers to take account of the emit...
By JohnR , 22 hours ago
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In our case the pipe run for the heat pump is short and...
By madbilly , 22 hours ago
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@toodles no, unfortunately we don’t have access to the ...
By Simon and Zoe , 1 day ago
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@sandman1600 What I mean is, your UFH power is 79wm2...
By davidnolan22 , 1 day ago
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RE: Vaillant AroTherm Plus 7kW
Thank you James for such a complete write up. We also h...
By Judith , 1 day ago
Latest Topics
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To relocate or add extra PV panels..advice required
By WesleyP1874 9 hours ago
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Is it worth siting panels on an East facing roof?
By Carpenterstation 10 hours ago
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Plug and play solar. Thoughts?
By Lucia 1 day ago
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By JamesPa 1 day ago
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Vaillant water pressure gauge vs Analogue gauge
By jeegnesh 1 day ago
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Database of heat pump performance data?
By madbilly 2 days ago
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By madbilly 2 days ago
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Confused about Samsung Gen6 Hot Water Controller
By ntruby 3 days ago
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help with new bathroom and towel radiator
By AdamK 3 days ago