Last seen: Jan 12, 2025
@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...
@cathoderay I'd be interested to know if your controller is set to max power, intermediate, or quiet mode. It would be enlightening to understand how...
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@lucia It would be interesting to know the volume of yo...
By BobTSkutter , 16 minutes ago
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RE: Is My Midea Heat Pump Inherently Defective?
Sadly I think you are right, until someone develops a c...
By JamesPa , 1 hour ago
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RE: Is it crucial to get flow temperatures with heat pumps right?
... in theory! If they are all (close to ) perfectly ...
By JamesPa , 1 hour ago
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RE: How much radiator capacity do I need for an air source heat pump?
Follow-up: it occurs to me that the difference between ...
By Simonwhiteley , 2 hours ago
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RE: Mitsubishi Ecodan ASHP general set-up and efficiency
@gary Agreed, installer needs to look. I did up the op...
By ngillam , 2 hours ago
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RE: Can you work an ASHP too hard?
I agree - I think a heat pump is more of a marine diese...
By cathodeRay , 3 hours ago
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RE: Adding data centre electricity costs to domestic energy bills?
Meant to add this but have been buried under piles of w...
By Lucia , 4 hours ago
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RE: The Definitive Guide to Weather Compensation and Curves for Air Source Heat Pumps
@judith thanks…. Every day a school day. tomorrows le...
By SUNandAIR , 5 hours ago
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RE: The good, the bad and the not that great – my heat pump installation
at the bottom of our installers invoice it said we were...
By NetDonkey , 6 hours ago
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RE: Samsung E911 intermittent issue
Just a quick update. It looks like it may be the actua...
By NetDonkey , 9 hours ago
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RE: What to Expect During Your First Winter with a Heat Pump
I wish I had known about you before I had the pump fitt...
By Richard Smith , 11 hours ago
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RE: Mitsubishi Ecodan 8.5kW Monobloc (FTC5) Defrost Mode
@cold123456 appreciated this thread dates from a while ...
By AlsoCold123456 , 12 hours ago
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps
That is really interesting what you mentioned about con...
By benson , 12 hours ago
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RE: R290 install location and future of R32
@toodles thanks for that toodles. I was hoping you migh...
By SUNandAIR , 1 day ago
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RE: Totally bewildered with my ECO4 heat pump installation
Do you have a Sensocomfort? it looks like
By Judith , 1 day ago
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RE: Say hello and introduce yourself
Mars hello there. I plan to go air to water and then i...
By BobTSkutter , 1 day ago
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@transparent We had one chappie from SGN call at the do...
By Toodles , 1 day ago
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RE: Reusing existing radiators
@chandykris just give them a good wash out before fitti...
By bontwoody , 1 day ago
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RE: Ecodan ASHP - How to optimise my set up?
Yes, Jake T, I do that and even use the quietest mode i...
By Sliderule , 1 day ago
Latest Topics
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By ChandyKris 1 day ago
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Nibe heatpump comms error when freezing
By Toody 2 days ago
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Is this normal behaviour for my samsung ashp
By wawyed 3 days ago
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Can you work an ASHP too hard?
By Simonwhiteley 3 days ago
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By IRMartini 3 days ago
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R290 install location and future of R32
By AndrewJ 4 days ago
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hum/whine from Wilo circulation pump
By grumpidoc 5 days ago