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Derek M
@derek-m
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Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Profile Activity
Topics: 7 / Replies: 4403
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Reply
RE: Optimising LG Therma V R32 using AI

I also struggle with some of LG's descriptions in the manual which I believe may have been written by some form of sadist. My interpretation would b...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Swimming pool ASHP used for UFH?

I did look at swimming pool heat pumps some time ago, since like A2A heat pumps, they are much cheaper, probably because they don't qualify for the go...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Optimising LG Therma V R32 using AI

@andyj LG apparently call Weather Compensation (WC) 'Seasonal auto temp.', see page 123 of attached manual. Correctly adjusting the WC is not a 5 ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Swimming pool ASHP used for UFH?

Since a heat pump is merely a device for producing thermal energy, I don't see any problem on the face of it. Obviously it would only work effectively...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP & Buffer Tanks

I believe that a PWM capable water pump will default to maximum speed if the PWM signal is not present. You therefore probably have three choices, obt...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Optimising LG Therma V R32 using AI

If the Indoor Air Temperature (IAT) is holding steady at 18C, then the Weather Compensation (WC) curve is set too low. Try increasing the WC setting u...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

@kev-m Thanks Kev. I will hopefully have time tomorrow to run some tests.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

@kev-m A couple of further questions. When do you heat DHW? How much other electrical energy do you use that may be adding to the heating?

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

@kev-m Thanks Kev, I don't seem to be able to locate the PM'd messages. What are the WC settings and do you have anti-freeze, and if so, at what c...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mini power outages and the self healing grid

That is why I suggested an Uninterruptible Power Supply (UPS). Most critical system within an industrial system would normally have some form of UPS.

3 years ago
Forum
Electricity, Tariffs, Monitoring, Electrics & Providers
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RE: Do setbacks save energy without compromising comfort?

I remember you sending a post providing details about your system, but I don't seem to be able to find it. Would you mind posting the details again?

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mini power outages and the self healing grid

I suppose that it depends upon your maximum instantaneous load and how long a power cut or interruption may last. There are battery storage systems ...

3 years ago
Forum
Electricity, Tariffs, Monitoring, Electrics & Providers
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