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Derek M
@derek-m
Member
Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
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...

1 year ago
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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...

1 year ago
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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,...

1 year ago
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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 ...

1 year ago
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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...

1 year ago
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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 ...

1 year ago
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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,...

1 year ago
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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...

1 year ago
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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...

1 year ago
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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...

1 year ago
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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 ...

1 year ago
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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. 😋

1 year ago
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