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Last seen: May 13, 2026
@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: A2A vs A2W: Which Heat Pump Would You Pick?
Good questions @temperature_gradient. My understanding ...
By springswood , 29 seconds ago
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RE: Estimating true heat loss from twelve months of consumption data
Hi @ian33a you could do your own heat loss calculation ...
By Judith , 8 hours ago
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RE: Anyone concerned about GivEnergy?
@sunnyskies I agree with Downfield trying to ask the GE...
By Judith , 9 hours ago
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RE: Setback savings - fact or fiction?
@jamespa — this version may be marginally better: &nb...
By cathodeRay , 11 hours ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
All going according to plan, mid July we get that 7kW a...
By Batpred , 11 hours ago
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Current metrics - DHW target set to 47c
By TaffontheTaff , 16 hours ago
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RE: My Grant R290 9kW Heat Pump Installation
@petch I'm very sorry that I have not picked up your po...
By GrahamF , 18 hours ago
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RE: Samsung gen 7 HP 12kw - auto control issue and water law
Suggest you have a trial with Havenwise app. I have th...
By Broadsman , 20 hours ago
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RE: New Solar, Batteries, Air Source and Under Floor Heating advice please
You’re right: UFH works best with high-conductivity fin...
By bafab , 23 hours ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
That was my understanding also.
By JamesPa , 23 hours ago
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RE: Grant Aeona 3 R32 cycling with weather compensation.
That would be abnormal but I cant see from your charts ...
By JamesPa , 23 hours ago
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RE: Vaillant Sensocomfort Time
Oh I remember this from when I set mine up 2 years ago,...
By JamesPa , 1 day ago
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Heat geek have already stated that the pro is in fact c...
By JamesPa , 1 day ago
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RE: The Myth of the MCS Performance Guarantee
@editor I know. As if MCS wasn't bad enough, it's now e...
By Deltona , 1 day ago
