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: Humming sound on new install.
Roof trusses and dry lined ceilings are a massive sound...
By AllyFish , 48 minutes ago
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RE: Midea ASHP – how to set weather compensation
@jamespa is right, typically they are far from linear, ...
By cathodeRay , 2 hours ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Vat free applies to supply and install only no DIY. &...
By JamesPa , 3 hours ago
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Funny story Graham, when I started looking to ...
By DREI , 10 hours ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 14 hours ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 16 hours ago
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 17 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Yes Octopus only have the £9 a month service plan for t...
By NJT , 18 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
@allyfish Dogs have owners - Cats keep staff. You are o...
By Toodles , 19 hours ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 19 hours ago
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RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 1 day ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
By ASHP-BOBBA , 2 days ago
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RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
By Lucia , 2 days ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 3 days 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 , 3 days 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 , 3 days 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 , 3 days ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 3 days ago
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 3 days ago