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cathodeRay
cathodeRay
@cathoderay
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Illustrious Member
Joined: Feb 28, 2022
Last seen: Sep 15, 2025
Profile Activity
Topics: 17 / Replies: 2137
AllTopicsReplies
Reply
RE: Rate the quality of your heat pump design and installation

I am pretty sure this is the company I had to fire to get my heat pump installed by another installer. They were the LA grant peoples' 'preferred inst...

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

@filipe - it does sound like an odd design/system. 12kW heat loss, 22 rads, that's give or take 500W on average output for each rad which even at ASHP...

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

We continue to live in interesting times. Some energy in results in kWh from the last 2 hour periods: PS I see forum clock is still on GMT. Th...

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

@derek-m - here are the results: 60 x 10A, 240V: all simple spreadsheet calcs give correct answer, 2.4 kWH, python integration methods (np.trapz, sc...

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

Ah, got it, will do and report back.

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

Difficult to make that happen, I don't have direct control over the current. I do however have the external heat pump dedicated kWh meter which reads ...

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

Jumping in rather over my depth, I did find two ways* of calculating the integral, one via a spreadsheet formula and the other by using an online calc...

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

I have been trying different ways of calculating energy in to compare the results. I have taken an hour when the heat pump was running in a fairly ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Say hello and introduce yourself

Another major problem for me is that HA can and in my experience does corrupt its database. You can, with a lot of hard work, recover the data, but th...

2 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

That's the clue, I think most if not all HA aficionados have a background in software/computing, and so already think like HA does, and so take natura...

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

@cashback - very interesting. If you haven't come across them, two other threads have info on all this: Home Alone with Home Assistant (previously A...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A Beginner's Guide to Heat Pump Monitoring Reloaded (v2)

More high jinks with Highcharts JS. I have now got zooming working. Here is the minute data for energy out parameters (LWT, RWT and flow rate, plus am...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Page 118 / 180
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