Last seen: Sep 19, 2024
@tufty I suspect the main item that would likely be damaged would the the condenser, which is a Plate Heat Exchanger (PHE). Whilst I don't think tha...
No. But not having a wood burner may have something to do with the decision. For some reason 'she who must be obeyed' frowns upon me trying to build a...
I have no idea how long it will take or the likely cost. I have an A2A heat pump which doesn't require anti-freeze.
@bontwoody There are quite a number of aspects to consider when it comes to the sizing of a heat pump. As James has correctly pointed out, the sta...
@tufty I suppose that this is one of the grey areas, where one would hope that the engineer would at least explain the meaning of the -4, before he ...
Where did you get the data for the Ecodan? According to the manufacturers data at an OAT of -7C, the 11.2kW Ecodan has a capacity of 10.6kW at a LWT o...
@jamespa Hi James, I have now completed some further improvements to the modelling tool. It is now possible to adjust the desired IAT setpoint a...
@crustydoodle The installer is responsible to provide you with a proven functioning system, failure to do so would be a breach of contract. I would ...
From the noise point of view I seem to think that the water pump is being supported by the pipework. The pump should be mounted on a suitable bracket ...
@redzer_irl You could try running the heat pump in fixed LWT mode starting with a low LWT setting and gradually increasing the setting until the des...
@crustydoodle Just to clarify if my understanding is correct. You started the heating system by raising the setting on one or more thermostats. Th...
Yes, the sensors are the thermistors. When I refer to 'good thermal contact', I mean is the thermister either fitted in a suitable pocket or clamped...
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RE: Who’s Caved and Switched the Heating On Already?
I have automated this decision. I have a heat pump with...
By jamespetts , 10 minutes ago
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RE: COP is not the only measure of efficiency
Can I clarify - is the LSV the manual balancing valve? ...
By jamespetts , 18 minutes ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Another result and another very happy service customer:...
By ASHP-BOBBA , 1 hour ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 2 hours ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 2 hours ago
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RE: Buffers, hot water and cooling
I agree it seems like a lot of work particularly as its...
By JamesPa , 3 hours ago
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RE: Anyone still weathering it out with Agile?
@toodles I guess it all comes down to import averages. ...
By Tim441 , 6 hours ago
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RE: Renewables & Heat Pumps in the News
@mike-patrick Well, if Europe is stalling partly due to...
By Toodles , 6 hours ago
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RE: 300 Liter Tank - Do I have to heat it all?
The size of DHW tank affects the anti-legionella cycle....
By Transparent , 8 hours ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 10 hours ago
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 11 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
My system installed in July 2024 has produced 6.4mWh in...
By jamespetts , 11 hours ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@judith thanks for your suggestions. Starting from col...
By GrahamF , 1 day ago
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RE: Inventor (Midea) Heat Pump short cycling advice
I switched to "fan coil mode" to be able to set water t...
By immunity , 1 day ago
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RE: DESNZ doing a survey which asks the right questions!
Without a survey their only source of data is probably ...
By JamesPa , 2 days ago
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RE: Can you help with our research: solar panels, EV chargers, home batteries, heat pumps?
Just done your survey!
By Judith , 2 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
@cleardene-ashp just thinking about your issues here. Y...
By Judith , 2 days ago
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RE: Midea ASHP – how to set weather compensation
@cathoderay OK let's wait and see, it sounds an interes...
By Tasos , 2 days ago
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RE: What is the Heat Geek Guarantee?
@judith, I’m with you on Heat Geek, but there really do...
By Mars , 2 days ago