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BobTSkutter
@bobtskutter
Member
Estimable Member
539 kWhs
Joined: Jan 11, 2025
Last seen: Feb 27, 2025
Profile Activity
Topics: 1 / Replies: 85
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Reply
RE: Is My Midea Heat Pump Inherently Defective?

The flow restriction to your living room radiator is likely to be the pipes and valves. Swapping the radiator for a fan coil might not give you addit...

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 4 port buffer tank connections

You need to adjust the surface emmissivity setting of your thermal camera. Try this, assuming you have a metal kettle with a polished exterior surfa...

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

Here's a quick spreadsheet I put together that shows how compressor discharge temperature varies according to pressure ratio. The data is based on P...

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

Just a thought, do you have underfloor heating? The comment "started cycling as the return temp increased" makes me think you're seeing a benefit of...

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

Hummm....this depends on the type of compressor. For a typical positive displacement compressor (think medical syringe moving backwards and forwards...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

@transparent that's a great diagram to share, it shows the design trade off that go into system specification. Suppose we required 4kW of power to ...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

This thread is great! What do people mean by efficiency? It's a word that's often quoted in relation to heating systems, but do people really under...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is My Midea Heat Pump Inherently Defective?

@jamespa please can you share the details of the fan coil you used. Thanks Bob

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is My Midea Heat Pump Inherently Defective?

@cathoderay you're very welcome. If your living room radiator got warm when you had the system balanced with the lock shield valves pinched in then ...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is My Midea Heat Pump Inherently Defective?

I was wondering how you were getting on. Are the pipes to living room radiator in a concrete floor? Do they have insulation? You're probably loosin...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Thread subscription.

An old thread, but please can the default subscription setting be set to "none". My email inbox is rapidly filling up with spam from this forum. I h...

1 month ago
Forum
Introductions, Forum Rules & Updates
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RE: 4 port buffer tank connections

Just dug this up with google A properly designed buffer vessel shouldn't be impossible to achieve. Bob

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
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