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Last seen: Jun 1, 2026
I have been both a black sheep and a white sheep, as part of my attempts to determine whether setbacks save energy/money. At the moment I am a sort of...
OK, got it. I've also checked the R290 manual @tasos kindly made available, and I too can't see anywhere in the FOR SERVICEMAN menu to set the WC end ...
Is this (setting the LWT, where the lower limit is 35 degrees) on the home/main page? If so, this has sort of come up before and I think it may be imp...
@tasos — thanks for confirming you have a R290 unit. I'm pretty sure most if not all R32 units would be cycling in the condition on your chart. Also, ...
@jamespa — thanks, that is what I vaguely remembered, much clearer now.
@mk4 — all very interesting, especially the water pump stuff and the absence of cycling. I may be wrong, but I think 'almost everybody else's' mea...
That is a very abnormal period, almost all defrosts (LWT below RWT) and two steady state runs (both afternoons, second one also has a DHW reheat). It ...
Monty Python may have asked 'what have the Romans ever done for us?' but I agree, the Roman achievements are impressive but I suggest they got there e...
@bash — another thing to be aware of is that inadvertently over-doing the lock shield tightening can reach the point where the system becomes constric...
Latest Posts
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
I tend to have a problem with absolutes, @deltona. Ye...
By Majordennisbloodnok , 3 hours ago
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RE: Home automation and the cloud; is there a better way?
I totally agree, @wully, with your point about cloud/lo...
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RE: Rural burning – I've had enough
@transparent, environmental protection emailed earlier ...
By Mars , 5 hours ago
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Good point, I only know about heatpumpmonitor, which fo...
By Batpred , 5 hours ago
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RE: Cooling with with air to water heat pumps
@etchedpixels A few warmish days or a bit of snow an...
By Papahuhu , 7 hours ago
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Good points @etchedpixels And it occurred to me that...
By springswood , 8 hours ago
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Take a look at this link of what I did to encapsulate a...
By ASHP-BOBBA , 8 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Thanks and noted. I dont see Vaillant doing a general ...
By JamesPa , 9 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
Greetings my fellow heatwave sufferers! Over here, we n...
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RE: Outdoor Battery Solutions?
We are on the same tariff, on 3.5p/kwh. So until early ...
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RE: Solar Yield vs Temperature.
@old_scientist Fair enough, that may be similar to t...
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RE: Lower electric tariffs for heat pump users
I suspect that would not be a difficult decision, if I ...
By Batpred , 1 day ago
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RE: Vehicle-to-Home with a Heat Pump: Is the Technology Ready and Which EV Should I Buy?
Absolutely. We are going through another period when ou...
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I am frequently annoyed to see that my Growatt inverter...
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