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MartinRobinson
@martinrobinson
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Eminent Member
Joined: Feb 5, 2026
Last seen: Mar 25, 2026
Profile Activity
Topics: 1 / Replies: 15
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Reply
RE: How good is the app support for your heat pump?

Another Vaillant user here. For the sake of correctness, the Vaillant app does not allow you change the room influence mode (inactive/active/expanded)...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?

Isn't that the crux of the matter? Swapping a Combi for a cylinder may require a complete replumb of much of the hot water pipework - depending on whe...

4 weeks ago
Forum
Government Schemes, Regulations, Training, Planning & Organisations
Reply
RE: Midea R32 Monobloc MHC-V12W in 1989 Detached House: Noise from Pipes/Airing Cupboard, DHW Schedule Not Always Heating – Advice Needed?

This is certainly what my system does. At the end of the DHW cycle, the diverter valve switches back to the radiator circuit, whilst there are quite a...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My 1950s Semi-Detached Heat Geek “ZeroDisrupt” Air Source Heat Pump Retrofit with Vaillant Arotherm

There has been quite a bit of discussion (mostly on OEM forums I think) that the flow/return temp sensors used by Vaillant on the Arotherm units are n...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Need help maximising COP of 3.5kW Valiant Aerotherm heat pump

That is, I beleive, the biggest pile of Bullsxxt ever (or at least, not the whole story). I have an Arotherm+ and have no legionella cycle configur...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Honeywell Home control and Trianco ActiveAir 5 kW ASHP

I should add perhaps that will some jiggery-pokery with Python on a Rasberry Pi, and Open Energy Monitor, my EvoHome room temperatures, are all being...

2 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Honeywell Home control and Trianco ActiveAir 5 kW ASHP

@giganto I feel compelled to add my thoughts on this, if I may chip in? I too recently had an ASHP (Vaillant) installed, replacing a gas boiler. We ...

2 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Help needed to adjust weather compensation on Vaillant air source heat pump

I am in the fortunate position of having independent monitoring (using OEM) of the heat pump and all temperatures. One thing I noticed quite early o...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Help needed to adjust weather compensation on Vaillant air source heat pump

You need to remember that the WC setting controls the target flow temp, and not the actual flow temp. The two will only be the same after a period of ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Help needed to adjust weather compensation on Vaillant air source heat pump

If its only consuming 22W of electricity, then the compressor is not running at all, just the water pump. This is not 'idling', its basically off. &...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Help needed to adjust weather compensation on Vaillant air source heat pump

That would be 3.5kW of electrical power in. The power output into the house will at least double that - often more. A 7kW Arotherm+ will never consume...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My 1950s Semi-Detached Heat Geek “ZeroDisrupt” Air Source Heat Pump Retrofit with Vaillant Arotherm

I should add that our survey came up with a heat loss of 6.6kW - which is pessimistic. On our coldest day so far (6th Jan) it was looking like this:...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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