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Derek M
@derek-m
Member
Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Topics: 7 / Replies: 4403
Reply
RE: 14kW Midea ASHP in an old leaky building

It is standard practice with instrumentation to quote accuracy at Full Scale Deflection (FSD), though when greater accuracy is required the range may ...

4 years ago
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RE: 14kW Midea ASHP in an old leaky building

Hi @cathoderay Accuracy Class 1 means that the measurement is +/- 1% of the full range reading under unity power factor conditions. A meter with ...

4 years ago
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RE: 14kW Midea ASHP in an old leaky building

Hi @cathoderay The reading on the electricity meter, I suspect, will be more accurate than that measured by the heat pump. If you Google the model n...

4 years ago
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RE: Return temperature consistently higher than flow temperature

Hi Scottfen, I think that there may be some confusion in parameters. I assume that the 13500 that you mention is kWh's, and I suspect is the annual ...

4 years ago
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RE: 14kW Midea ASHP in an old leaky building

Hi, The fact that the Power Consumption is measured in kWh would indicate that it is the quantity used over a period of time and not an instantaneou...

4 years ago
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RE: Independence from power cuts

Hi Mars, During the day and evening it is normally in the 200W to 300W per hour range, overnight it can be as low as 100W per hour.

4 years ago
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RE: Who's your electricity provider and what's your tariff?

It is not just the O&G companies, but the commodity traders, who can buy and sell the cargo of a LNG tanker numerous times whilst it is in transit...

4 years ago
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RE: 14kW Midea ASHP in an old leaky building

Hi Graham, I have just had a quick look on the MCS site and could not find Midea in the list, is it under some other name?

4 years ago
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RE: Independence from power cuts

Hi, I will try to make the explanation as simple as possible. During a power cut, your home and all the others in your area are still physically c...

4 years ago
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RE: Considering an ASHP: old 1860 stone property

Hi @sapper117 I am pleased to hear that your system is up and running. Do you know if your installer set your system to operate in weather compensat...

4 years ago
Reply
RE: 14kW Midea ASHP in an old leaky building

Hi @cathoderay It is my understanding that the published performance data provided by manufacturers, is actually obtain by testing carried out at in...

4 years ago
Reply
RE: 14kW Midea ASHP in an old leaky building

Since I don't have either a Midea or Mitsubishi heat pump I cannot comment in detail on their performance. All I can do is compare the published perfo...

4 years ago
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