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davidnolan22
@davidnolan22
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Joined: Jan 15, 2025
Last seen: Jan 7, 2026
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Topics: 0 / Replies: 136
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RE: Newbie: utterly confused with my Mitsubishi Zubadan air source heat pump running on 55C set flow temperature

@sandman1600 do you have a second manifold, or is that it?

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?

@abernyte no, it doesn’t turn the pumps off on mine.

10 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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RE: Newbie: utterly confused with my Mitsubishi Zubadan air source heat pump running on 55C set flow temperature

Typo: Mel pump web site is the one I meant./p>

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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.

10 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
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...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

10 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
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

10 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
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.

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Newbie: utterly confused with my Mitsubishi Zubadan air source heat pump running on 55C set flow temperature

@sandman1600 it’s a bit of propane, I really would lose sleep over it

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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.

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
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