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JamesPa
JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Feb 24, 2026
Topics: 21 / Replies: 4303
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RE: Hoped for improvements not being realised on my Mitsubishi heat pump

@f1p OK noted Without further information about the system I cant really comment with any certainty, all I can do is cite generic statements ...

3 weeks ago
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RE: Hoped for improvements not being realised on my Mitsubishi heat pump

I have some suspicions (16kW for 340 sq m is not 'energy efficient!') but before I make any concrete suggestions can you please clear some matters up ...

4 weeks ago
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RE: Advice on potential HW Cylinder size

They wont have that volume, neither will most others, and the installers interpretation of what Midea say is unconventional to say the least (ie I hav...

4 weeks ago
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RE: Hoped for improvements not being realised

When you say converting the buffer tank, I presume to a volumiser? Did you remove the secondary pump? What happens if run in pure weather compensa...

4 weeks ago
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RE: Advice on potential HW Cylinder size

Firstly its not the coil volume that is normally the issue it's the area, the typical 'requirement' being 3sq m. In principle system volume of the dh...

4 weeks ago
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW

@ian21stcent I assume you have checked filters which is a common reason for a range of failure symptoms?

4 weeks ago
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RE: If the heatpump can only heat DHW to 50 then what?

From the website I think it's a heat store not a conventional dhw tank. Not a good idea with an ashp and could very likely explain what is happening....

4 weeks ago
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