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ASHP-BOBBA
@ashp-bobba
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Joined: Dec 6, 2024
Last seen: Sep 9, 2025
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Topics: 1 / Replies: 216
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RE: Efficiency Concerns on newly installed Mitsubishi Ecodan 8.5kW

So if I understand it correct while in DHW mode, the main ASHP pump (1) has to go through the DHW circuit in the cylinder and then pull through the no...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Efficiency Concerns on newly installed Mitsubishi Ecodan 8.5kW

To add red circuit is DHW and blue is heating

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Efficiency Concerns on newly installed Mitsubishi Ecodan 8.5kW

@cbrenewable Lets get to the modes and setting a bit later, sorry to ask but I need to make sure I understand the circuit that has been made. can you ...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Career change – entering the world of heating and heat pumps

Try to find a very good company that can teach you the basics in general heating and plumbing, try to then get on a couple of courses that specialise ...

5 months ago
Forum
Introductions, Forum Rules & Updates
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RE: The Great British Heat Pump Quiz

@editor I thought it was great, I was more focused on what questions the other experts were issuing and wondering what questions I would have offered ...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Efficiency Concerns on newly installed Mitsubishi Ecodan 8.5kW

@cbrenewable Can you look on the side of the pump body, should be an arrow showing direction? please have a look at both pumps if you can, TBH even if...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The Great British Heat Pump Quiz

I thought I would take your test and support you with £5 🙂 Please to say I scrapped past the 80% lol cert attached for fun.

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Efficiency Concerns on newly installed Mitsubishi Ecodan 8.5kW

I am initially thinking it looks like you have one pump pushing through the other if the flow and return are as I placed the arrows?

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Efficiency Concerns on newly installed Mitsubishi Ecodan 8.5kW

@cbrenewable So just to make sure, from the picture it look like the arrow I have drawn?

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Efficiency Concerns on newly installed Mitsubishi Ecodan 8.5kW

@cbrenewable is the return pipe to the external unit the pipe with the filter showing in the picture?

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Efficiency Concerns on newly installed Mitsubishi Ecodan 8.5kW

Hi CB, everything you are describing here is a lack of heat transfer, it will not matter if you have 24,21 or even 12/Lpm flow rate at the optical sen...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is this normal? Click of the DHW returning to space heating

@grantmethestrength Oh sorry to hear that, there should not really be leaks and clunking valves from a new installation, I assume its new as you have ...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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