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Derek M
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Derek M
@derek-m
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Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Profile Activity
Topics: 7 / Replies: 4405
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RE: Air Source Heat Pump Tariffs

I suppose that this is the World in which we live. I hope that most people with an iota of common sense would appreciate that we should all do our b...

11 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
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RE: Optimising DHW with Solar

@davidalgarve As Bontwoody has pointed out, the most efficient way to produce hot water is by means of your heat pump. This may also be the most cos...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Optimising DHW with Solar

Hi David. You could have a power diverter installed along with your PV system. The diverter monitors the current flow at your electricity supply,...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan ASHP - How to optimise my set up?

The process is slightly different at the heat pump end. The LWT is set by the controller, either a fixed value or one using WC. If the heat pump is ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Newbie’s Journey to Eco-Friendly Heating: Advice Needed

I installed a small A2A unit at our home some time ago. It serves two purposes, whenever sufficient solar PV generation is available it provides total...

11 months ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
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RE: Newbie’s Journey to Eco-Friendly Heating: Advice Needed

@chandykris I believe that your home heating system should be capable of supplying the needs of the whole home, independent of the actual number of ...

11 months ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
Reply
RE: Ecodan ASHP - How to optimise my set up?

@rhh2348 Yes, reducing the flow rate should cause the DT to increase. What actually happens in practice is that say the overall flow rate is 10 lpm,...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan - flow rates, sensors, settings

@rhh2348 A vortex flowmeter is actually measuring the velocity of the liquid passing through it, which coupled with the actual area through which th...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan - flow rates, sensors, settings

Achieving an accurate flow measurement is probably the more difficult of the four main parameters. As you state the Sika data shows the VVX20 standa...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan ASHP - How to optimise my set up?

I believe that the FTC controller can only vary the water pump speed if the actual water pump is capable of having its speed varied. An easy way to ch...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Two possible heat pump routes - how to evaluate them?

The only time that you may wish to have a TRV in the living area is in a room or rooms that suffer from high solar gain. While in an open system, the ...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Advice on ASHP choice needed

@majordennisbloodnok You do realise that by having more doors, it means that there are more doors that your wife can slam in your face. 😋

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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