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Derek M

@derek-m

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Illustrious Member

Joined: Mar 4, 2021
Last seen: Sep 19, 2024

Topics: 7 / Replies: 4405

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RE: Daikin Altherma 3M in Buckinghamshire

Hi Bridget, I suspect that a flow rate of 30L/min is on the high side. What size is your heat pump? What I gather from the manuals is that the min...

4 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Daikin Altherma 3M in Buckinghamshire

I would suggest that you get your installer back to resolve the problem.

4 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Daikin Altherma 3M in Buckinghamshire

Hi Bridget, The valve in the photo is the bypass pressure relief valve. What you describe as the snoring noise, I believe, is this valve opening and...

4 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Daikin Altherma 3M in Buckinghamshire

Hi Bridget, It is difficult to tell from the photo's, but I believe the black object in the lower section of the first photo is the 3-way diverter v...

4 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Daikin Altherma 3M in Buckinghamshire

An installation with a buffer tank would normally have a secondary water pump. Can you provide photo's of your system?

4 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Daikin Altherma 3M in Buckinghamshire

Hi Bridget, After bleeding the air from the towel rail, did you top up the water in your system? The required system pressure is normally around 2...

4 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Electricity price predictions

I think in the longer term relative energy costs will reduce as more renewable generation becomes available, but whilst the fuel source may be free, t...

4 years ago

Forum

Electricity, Tariffs, Monitoring & Providers

RE: Electricity price predictions

I try to look at the issues from all angles. It would certainly be more cost effective for National Grid (NG) and the local DNO's, if they can convi...

4 years ago

Forum

Electricity, Tariffs, Monitoring & Providers

RE: Daikin Altherma 3M in Buckinghamshire

It is possible that you have air in the system. there should be an air release valve within your system. It may also pay to bleed any radiators and to...

4 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Whilst Regs allow on-off simple thermostats (Nest, Hive, Heatmiser, Honeywell, etc) Installers should never be responsible for failing heat pumps!

Hi Ian, Welcome to the forum. I would advise against having any form of thermostat (On - Off device) with an ASHP. For most efficient operation I ...

4 years ago

Forum

Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls

RE: Vaillant AroTherm 7kW Air Source Heat Pump

@heat-pump-newbie Hi Newbie, I don't seem to be able to access the private message that you sent yesterday evening, and for some reason I am not ...

4 years ago

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