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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: 4403
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

Why didn't you replace the old GSHP with a new GSHP, since they are more efficient? I would suggest that you read through the manual, particularly t...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan. How to run this efficiently with zero understanding.

@davew The 4:00am graph does show 2 cycles prior to hot water production. The heat demand at 4:00am will probably be slightly greater, since the ext...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan. How to run this efficiently with zero understanding.

As a test, try setting your system in fixed LWT mode with a setting of 29C or 30C to see if you still experience cycling. As I am sure that you are ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung ASHP with Hive thermostat – help needed please

Call me an old cynic, but I am rapidly becoming suspicious of companies with 'green' or 'greener' in their name, since I suspect they have merely jump...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung ASHP with Hive thermostat – help needed please

To my knowledge, expansion vessels don't normally get reported to the noise abatement society, can you describe the noise? If it is a gurgling or tink...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan Controller Placement?

If your thermostats are of the on - off variety, they do not send a temperature measurement to the Ecodan controller. The Ecodan controller does con...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung ASHP with Hive thermostat – help needed please

Now that I am back with the 'living', so that there is no confusion, could you clarify what is meant by 201 & 202 and to which manual you refer. I...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung ASHP with Hive thermostat – help needed please

I'm afraid that I have to go mow the grass (she who must be obeyed has spoken), so I will formulate a reply shortly.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung ASHP with Hive thermostat – help needed please

I would suggest that you consider adjusting your weather compensation settings and then set your hive to 1C or 2C above the desired temperature. Doing...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Does our solar generation sound about right?

We have had output from our solar PV system every day since it was installed over 10 years ago. I think that the lowest daily production was 30Wh and ...

3 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Mitsubishi Ecodan - Hot Water Settings

I would suggest looking at all the settings, particularly the ones in installer mode. If you are not certain if any settings are correctly optimised t...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Does our solar generation sound about right?

What size is your solar PV system?

3 years ago
Forum
Solar Photovoltaic (PV)
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