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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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RE: ASHP decision: Should I or shouldn't I?

From the tests and observations I have performed, much depends on the climatic conditions, the thermal mass of your home, personal preferences along w...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: My horrific Samsung heat pump installation and experience

@iantelescope How are you obtaining and recording the data for the graphs? On the Power kW graph, what is the scaling of the horizontal axis? Is t...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP decision: Should I or shouldn't I?

Take a hypothetical home, with a calculated heat loss of 12 kW at an outside temperature of -3C, when maintaining an indoor temperature of 21C. So f...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: ASHP decision: Should I or shouldn't I?

@mike-h I find a better analogy to represent a home, is a smaller vessel containing equidistant pins holes (heat loss) located inside a larger vesse...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: My horrific Samsung heat pump installation and experience

@iantelescope Mounted in parallel with the PHE, the buffer tank is more like having a low value resistor in parallel with a higher value resistor (P...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: My horrific Samsung heat pump installation and experience

@iantelescope It may be beneficial to understand why a heat pump may cycle, and then look at ways in which the cycling may be stopped or at least re...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan Room Temperature Mode

If my memory serves me well, the Human Machine Interface (HMI) is often located on the main controller, which is usually placed in the airing cupboard...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan Room Temperature Mode

Where is your FTC controller located?

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

@iantelescope I have worked with French engineers, I was not impressed.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

@iantelescope I afraid that your analogy of a buffer tank being the same as a capacitor is flawed. For a buffer tank to be similar to a capacitor it...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

In the Kendra example, note the position of the circulation pump, which is after the buffer tank, and I suspect would only work with any degree of eff...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

Current Frequency could be in relation to the compressor speed, since it is controlled by a variable frequency drive. Evaporator Steps may relate to...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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