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MarkC
@markc
Member
Estimable Member
Joined: Oct 19, 2021
Last seen: Dec 1, 2022
Profile Activity
Topics: 2 / Replies: 95
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Reply
RE: Fine tuning your ASHP performance

I recently had the first annual service on my ASHP system and the engineer asked why I had the system set up using the compensation curve. Having chat...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fine tuning your ASHP performance

It does make a difference yes. Although it did cost around £10k to install (part of a wider refurbishment) when you factor in everything. So at the en...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fine tuning your ASHP performance

This is the compensation curve settings I have settled on for the moment. This is giving me a constant 22ºC downstairs (using UFH) and 19/20ºC upstair...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do I have the worst heat pump?

@rann1888 Hi, I too have a 14kW Ecodan installed and just for comparison, yesterday which was approx 5º ambient outside, the pump used 30kWh for hea...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Kev-M's ASHP Performance

I have similar although slightly reduced usage (593kWh) and I've been running 21º - 22º room temp 24/7. So you can assume to be running a similar COP....

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 2 bedroom bungalow with a Daikin ASHP

If any of your neighbours have the same design/model of bungalow/property you are in a great position to test alternative setups to see which performs...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 2 bedroom bungalow with a Daikin ASHP

From my own personal experience (although I am no expert) I found that with the two options: 1. Lowering the room temps at night and raising them in...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 14kW Ecodan system installed in a 370sqm new build

If you're happy to keep the indoor temp set at a constant value throughout the day/night, weather compensation alone seems to be more than up to the j...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fine tuning your ASHP performance

For reference here are a couple of charts which show how the ASHP was operating using the two different methods. Blue is outside temp, red is flow t...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fine tuning your ASHP performance

I’ve managed to gather data for a couple of six day periods where the average outside temp was 11ºC. I was running the ASHP differently in each peri...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14Kw Mitsubishi Ecodan ASHP

@rv3 As many have pointed out before, the fabric and insulation of the property does make a difference here. This might not be very accurate or sc...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Kev-M's ASHP Performance

It's situations like this that make this subject quite grey (i.e. not black and white). A good COP is not the be all and end all. Depending on how t...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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