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william1066
@william1066
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Joined: Jan 5, 2023
Last seen: Feb 13, 2024
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Topics: 0 / Replies: 206
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RE: The death of the ASHP?

Depends on the CoP, for me, based on my tariff[s] I need to get above 3.4 right now to be cheaper than oil. Hence the need to get the installs done p...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: The death of the ASHP?

Ultimately this will come down to the efficiency you can get out of the heat pump. Assuming a SCOP for a heat pump installed properly being round 3.7...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: The death of the ASHP?

If someone has an oil boiler that does not need electricity and is thus exempt from the standing charge let me know 😀. I excluded it as this is a tax...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: The death of the ASHP?

This should give you an idea. I think if you get a CoP of 3.9 or higher you are cheaper than oil, though depends on your price of electricity. ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 12kW Samsung ASHP with Hive thermostat – help needed please

@lfranklin Crumbs, 12 is a bit cold for inside, esp if working from home. I found the following on this site but I can't find the information where ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 12kW Samsung ASHP with Hive thermostat – help needed please

Where is your wired remote control unit located. If this is in an unheated space, this could be contributing to the problem. I see it was showing 12...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 12kW Samsung ASHP with Hive thermostat – help needed please

Your charts are only measuring electricity, how do you know how much of that is going to your heat pump? The timing of the spikes suggest a DHW rech...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 12kW Samsung ASHP with Hive thermostat – help needed please

That is your flow temperature, and seems quite high. The legionella heating cycle should only be once per week (or as you set it, mine is set to onc...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan. How to run this efficiently with zero understanding.

This is "point in time", but only when the outside temperature is -2.2 degC. This is the design temperature for your house. MCS Standard MIS 3005, r...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: A Beginner's Guide to ASHP Monitoring

Awesome piece of work, especially from [what I think was] a standing start. Impressive CoP.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Rate the quality of your heat pump design and installation

@derekdeleon I have the 16kW Samsung Gen6. As I was going to reuse my vented indirect solar thermal store, so I put in a heat exchanger for the hot...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung ASHP scheduling help

I see the same with "Indoor Temperature" and "Target Indoor Temperature" when you are on external thermostat.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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