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davidnolan22
@davidnolan22
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Joined: Jan 15, 2025
Last seen: Oct 16, 2025
Topics: 0 / Replies: 109
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?

the picture shows it stole a tiny bit of heat from the house to sort itself out.

7 months ago
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RE: Newbie: utterly confused with my Mitsubishi Zubadan air source heat pump running on 55C set flow temperature

There is a private website called mel cloud. This logs into your data via the internet and gives loads more data. It will give you the compressor outp...

7 months ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?

@abernyte Post a picture of your flow and return, you will see they swap over for a short period during the defrost. the video does say in take...

7 months ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?

@jamespa My mitshubishi does not turn off any pumps flows continue and takes some heat from the house. I’m fairly sure this is normal behaviour

7 months ago
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RE: What is the best strategy for operating a very oversized heat pump?

Yes, worse thing would be oversized heat pump but not oversized emitters.

7 months ago
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RE: Newbie: utterly confused with my Mitsubishi Zubadan air source heat pump running on 55C set flow temperature

@sandman1600 it’s showing 0 when it’s off. there is nothing wrong with a DT of 3, but it’s about energy. The energy to the house is carried in th...

7 months ago
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RE: Newbie: utterly confused with my Mitsubishi Zubadan air source heat pump running on 55C set flow temperature

@robs And its also go an external sensor that you can place away from the back of the machine that makes weather comp much better.

7 months ago
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RE: Newbie: utterly confused with my Mitsubishi Zubadan air source heat pump running on 55C set flow temperature

@sandman1600 Lots of graphs there. In the middle of the night its close to 0 degrees and it starts to run more stable, still the odd wobble bu...

7 months ago
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RE: Newbie: utterly confused with my Mitsubishi Zubadan air source heat pump running on 55C set flow temperature

@sandman1600 It’s tricky, if you run it in the 30s, it will cycle a lot. If you run it in the 40s, it will cost a bit more to run and you will have...

7 months ago
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RE: Newbie: utterly confused with my Mitsubishi Zubadan air source heat pump running on 55C set flow temperature

I think you’ve got a piped header , not a buffer. The called for temps are now low and you are cycling the machine. The fact that it’s cycling at te...

7 months ago
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RE: Newbie: utterly confused with my Mitsubishi Zubadan air source heat pump running on 55C set flow temperature

@sandman1600 Some good advice from James. On those charts there is good news and bad news. The good news it it only took 70Kw to heat your house...

7 months ago
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