Last seen: Sep 25, 2025
@jamespa Extending the cable is not something I would like to attempt especially as Mitsi have agreed to send an engineer. Perhaps he will do it. It...
@boycey If I remember correctly, when the engineer fitted the replacement thermostat, the cable wasn't very long. Yes, my thermostat is in the same ...
@jamespa The mitsubishi outdoor thermostat is attached to the protection frame at the back of the heat pump and connects via a short red cable. There ...
@jamespa Many thanks for comment. I can't recollect any location instructions from Mitsubishi stating that the unit should be in the shade, only phy...
@boycey Heat pump is located at the back of the house and yes I agree, yesterday the sun was out and the rooms at the back of the house had some solar...
@jamespa Sorry not exactly sure about when it went into shade but my feeling is at the same time as the temp drop. Clutching at straws: - I did h...
James: Just noticed the timing of the drop: from 21 c at 16:05 to 10c at 16:45.
@jamespa Unfortunately it's now in the shade. The outside temperature is now down to reading a more realistic 11c so I'll have to wait for another s...
Just to follow up on the Outside temperature issue. Last year I reported that the Ecodan outside temperature was over reading on sunny days. An engi...
@bobtskutter Hi Bob. Just a short update to say that the Red expansion tank guage is stable on 1.2 reinforcing my thought that it was air in system. I...
@bobtskutter Hi Bob. Daft mistake with the valve. The red expansion tank is not attached to the hot water cylinder. I can't find the PSV you menti...
@bobtskutter Thanks. Pressure remains steady at 1.2 with the system idling after House Heating. No idea what's trigering the drop in pressure. I h...
Latest Posts
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RE: Help me keep the faith with my air source heat pump installation
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@majordennisbloodnok And of course, ‘No deliveries betw...
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RE: Do I just go with the lowest quote for my heat pump?
@jancold 😆 Toodles.
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RE: Moving FIT array onto a Tesla Powerwall 3 possible?
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RE: Large heat pump options for church building
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RE: Which thermostat should I get (or do I need one?)
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RE: Heat Pump Installers: Competence, Illusion and the Hard Truth Homeowners Must Face
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I suspect this is one for @pirate-rich
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Yuck, yuck and more! Others have pointed out lots alr...
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RE: DNO export limit problems.
So you're planning to add a PW3 to the existing setup (...
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
Signed
By Judith , 2 days ago
