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mjr
@mjr
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Prominent Member
Joined: Feb 23, 2022
Last seen: Mar 18, 2024
Profile Activity
Topics: 2 / Replies: 299
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Reply
RE: Massive Electricity Cost

Look in the controller manuals for your heating system? There isn't a neat consistent method and it's often not as obvious as changing the target room...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 14kW Midea ASHP in an old leaky building

I think you may be right there. It wasn't something we really considered and took the designer's assurance that we could just light the wood burner if...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Massive Electricity Cost

That's almost certainly the domestic hot water (what comes out of the taps) temperature, but some pictures would probably help someone identify it for...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Massive Electricity Cost

Spring. Hopefully. Warmer temperatures.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Massive Electricity Cost

Almost. I suggest that either setting the weather-compensation curve so that mild temperatures give a higher-than-minimum higher-than-needed flow ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Massive Electricity Cost

The caveat to that is each pump has a minimum output, below which it will cycle inefficiently, so in a way it's not constantly on even if the power is...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Damage (by installers?) on back of brand new heat pump

Our ecodan came on a pallet, with polystyrene corners and the lot wrapped in clear plastic.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung 12kw efficient running. The little tweaks.

I'd take that bet: I reckon more stay asleep but have woken to a cold house at some point! Although, that also happened in an old home when an unfav...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: -5c this weekend – what's your heat pump strategy?

Well, I guess I'll be getting to see whether the ecodan's databook claim of still producing 55°c water at -10°c ambient is anything like true. It appe...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

Cheat? As well as switching modes, my home automation system (demoticz) can override the flow temperature on my ecodan. I could program that to apply ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to best configure my Mitsubishi heat pump to work effectively?

I'm currently using weather compensation with a home automation system preventing overheating (acting as a smart thermostat) and making slight adjustm...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to best configure my Mitsubishi heat pump to work effectively?

Not according to the paper schematic I have, but the circulation pump is wired into the ecodan control unit. Actually, it's not clear to me whether th...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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