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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: 4403
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RE: Observation about radiators and weather compensation

@cathoderay Yes, you are probably correct to add fuel burnt. The idea of using a fixed LWT of 50C was as a temporary measure, to possibly make it ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Observation about radiators and weather compensation

Hi Mars, I have had a further thought as to what may have been occurring in your system when running on weather compensation during milder condition...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Observation about radiators and weather compensation

@cathoderay For kW and kWh, kW is the rate at which energy is being used, whilst kWh is the quantity of energy used. Think mph is kW, whilst miles...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP and Tado

Hi Gavin, Obviously you need to set the slope of the weather compensation to the requirements of your particular home. I would suggest that you star...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Observation about radiators and weather compensation

@cathoderay Measuring the temperature of pipework isn't the most useful way of finding out where the heat energy is being distributed, since pipewor...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Balancing rads

Hi Mars, Looking down at the top of the valve, clockwise is closing and anticlockwise is opening.

4 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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RE: ASHP and Tado

Hi Gavin, Is yours a newly installed system and do you know if it has been configured for weather compensation control or with the addition of auto ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Observation about radiators and weather compensation

@cathoderay As you state, in theory it should all work correctly, but lets try to apply some 'real World' aspects. The manufacturer's performance ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: High air source heat pump running costs – Vaillant AroTherm Plus

@alexelk Hi Alex, Welcome to the forum and I am sorry to hear about your high costs. For the forum members to be able to help could you please p...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Observation about radiators and weather compensation

@cathoderay Here are a few things to check and confirm. Is the pump in the secondary circuit running continuously or switching on and off with the...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Observation about radiators and weather compensation

@cathoderay Are you ready for the maths? The Specific Heat Capacity of water is approximately 4200 Joules (J), which means that it takes approxima...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Observation about radiators and weather compensation

@cathoderay I would suggest that you have a close look around your system for any form of pressure relief valve, since as far as I am aware one shou...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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