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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: 4405
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Reply
RE: Numerous issues – 11kW Daikin Altherma 3

@newhouse87 I would suggest that you check through all the settings within the controller, to see what, if anything, is being switched on.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP uses 12500units annually

If you know who installed the heat pump, then they should be able to provide the heat loss calculations.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung gen 6 short cycling

Switching on WC may show some improvement in efficiency, but the settings need to be matched to the heat loss of your home. What are the WC settings a...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

Looking at the scaling of the graph, it is obvious that the purple line produced from Midea data is using integers. The displayed value goes up and do...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

@cathoderay My meaning was to apply the 240v and 10A in the different calculation methods to see if there are any differing results. The problem wit...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: MVHR + Overfloor heating vs. just underfloor heating

@cashback Oh interesting! I'd heard of MVHR with cooling, but not MVHR with heating. At the moment I'm seeing MVHR as an option if a new slab is not...

2 years ago
Forum
Energy Storage
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

The problem facing CR and probably other heat pump owners, is how to you know when the heat pump is operating at optimal performance. The problem is...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

@cathoderay I suppose one way to check the overall accuracy of the various calculation methods, would be to use specified data over different time p...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung gen 6 short cycling

@iantelescope Are you operating your heat pump in Weather Compensation (WC) mode, and if so, what are the settings?

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: MVHR + Overfloor heating vs. just underfloor heating

To maximise overall efficiency with a heat pump, it is necessary to operate with the lowest possible LWT. To be able to utilise a low LWT, it is nec...

2 years ago
Forum
Energy Storage
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

@cashback There doesn't appear to be a great deal of data shown in your example, is your heat pump switched off, or the data collection not working?

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP uses 12500units annually

@beagles Are you operating your heat pump on a fixed LWT or Weather Compensation (WC)?

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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