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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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Reply
RE: Meaning of ΔT setting in an ASHP

I would expect the Sontex readings to be more accurate, assuming that the equipment was correctly installed. For a correctly operating system, the C...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting to Midea MSmartHome using a PC

@cathoderay I suspect that midea_ac_lan sends a query to the device using core/discover.py, which searches for devices. I can only assume that the d...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Meaning of ΔT setting in an ASHP

From what I gather, most systems operate with a DT of 5C, so I would say that at present your system is fine. Some systems don't have water pump speed...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Meaning of ΔT setting in an ASHP

Hi Newbie, I was beginning to think that you had disappeared in a puff of smoke. I suspect that your LWT is set too high, which may also be the ca...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: My Mitsubishi ASHP has used 1078kWh from 25 November to 31 December – Help please

I would suggest that you get your system topped up and any air removed, then see what happens.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My Mitsubishi ASHP has used 1078kWh from 25 November to 31 December – Help please

Did you remember to top up the pressure in your system? It looks rather low on the pressure gauge. Does the water pump and/or heat pump stop operati...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Connecting to Midea MSmartHome using a PC

@cathoderay I too have been going through the code and learning the syntax. The Header is formulated by the following code located within core/mes...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Poor location for ASHP, how much of an issue is it with respects to efficiency?

@rumballd The same volume of water, at the same temperature, contains approximately 3488 times more heat energy than air. The actual amount in air w...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting to Midea MSmartHome using a PC

@cathoderay No problem.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting to Midea MSmartHome using a PC

I'm afraid there may be a flaw in the method that you used, which is why I suggested switching to fixed LWT. Changing the lower ambient end of the cur...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Poor location for ASHP, how much of an issue is it with respects to efficiency?

What make and model is your heat pump? Is there anything above your heat pump? Is the area at the side of your home enclosed in anyway? What size ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Poor location for ASHP, how much of an issue is it with respects to efficiency?

I have been trying to apply the Laws of Thermodynamics to the results obtained by HG. Our present human knowledge indicates that 'zero' energy occur...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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