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HughF
@hughf
Member
Noble Member
Joined: May 2, 2022
Last seen: May 5, 2025
Topics: 6 / Replies: 482
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RE: MCS Certified installer problem

Any idea what design temperature they went for? That’ll help us determine if the rads are the correct size for the rooms and will help us choose what ...

2 years ago
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RE: Massive Electricity Cost

@mike-patrick Mike, those figures aren't from my install, they are from the DIY install done by Glyn Hudson, who is a software developer on the Open E...

2 years ago
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RE: Antifreeze protection

are you a tenant? If not, it’s your system, you can do with it what you please.

2 years ago
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RE: Massive Electricity Cost

There is a wealth of LG Therma V chitchat on buildhub

2 years ago
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RE: Warmflow ASHP costing a fortune to run and ignored by installer

@myanthony Get on the phone to warmflow, ask them how you can access the weather compensation menu as your unit doesn't match the manuals.

2 years ago
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RE: Massive Electricity Cost

@mike-patrick You've got a Grant Aerona 10, the chances are it will be installed indirectly with a LLH and all the associated inefficiencies that come...

2 years ago
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RE: Warmflow ASHP costing a fortune to run and ignored by installer

@myanthony Sorry, my mistake. The weather compensation is accessed from within the password protected engineer menu, page 22 - the password is '0022' ...

2 years ago
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RE: Antifreeze protection

A chinese copy of the Celeffi anti-freeze valve, £19, screwed into a 28mm press T. All the anti-freeze protection you need, without a drop of glycol.

2 years ago
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RE: Warmflow ASHP costing a fortune to run and ignored by installer

Short cycles would typically be defined as cycles that are less than 20 mins in operation (imho)... A defrost cycle once per hour in these temps seems...

2 years ago
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RE: Warmflow ASHP costing a fortune to run and ignored by installer

Do you have a settings icon, bottom right of the home screen? EDIT: The temperature graph is encouraging, it shows the defrost cycles aren't too bad...

2 years ago
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RE: Massive Electricity Cost

@oswiu I assume that 31,000kWh was the total CH+DHW demand for the year. At a SCOP of 3.5, that would be 8857kWh of Electricity to run the ASHP. A s...

2 years ago
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RE: Warmflow ASHP costing a fortune to run and ignored by installer

OK, so you've replaced a pellet boiler which was probably around 24-30kW, and would have been batch fired into a large thermal store or buffer tank. T...

2 years ago
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