
Last seen: Jul 23, 2025
@johnmo yes I can believe that. It seems to be human nature to keep dong what we did before.
Hi Gary, haven’t seen full numbers on your error code but UD appears to be an overheat protection code. You could also do an Info request… like the...
@heatgeek I kind of get it… but aren’t you still in the same situation of having excess flow temp water at the bypass entering the buffer at circa 23 ...
This is very impressive. I would not have expected the cop to increase to the extent of your graph as the ambient readings had dropped between esp bet...
@phoenix15 I hope you have success with finding a Mitsubishi accredited engineer very soon. Esp. If you have a leak as well. it may be that over tim...
@patch I think @ashp-bobba gave you some great pointers about low temperature operation. While it is more efficient to operate at lower flow temperatu...
Not quite Right Morgan… the freeze stat function monitors system internal water temperature and activates the circulation pump to ensure the outside w...
That’s interesting, but obviously concerning also…. Do you know how to access the flow rate enquiry menu on your main controller? IE the screen enquir...
@phoenix15 just wondering did you eventually find the other filter. Many of the Mitsubishi installs don’t always use the Y strainer. Instead thy have ...
Logically, the lower frequency = more gentle, yes, but isn't the main wear/damaging issue here the stopping then restarting, and possibly the 'burst' ...
@rhh2348 it’s clear you are wanting to run your heat pump at a low flow rate ie 30c. But you are also aware of some of the limitations of operating at...
So James I’m sure you might realis that my first 2 points were giveaway comments - ones that you couldn’t really object to. So your agreement is some...
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Big Changes Coming to Our Heat Pump System
After years of living with an underperforming system an...
By Mars , 2 hours ago
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RE: Help me keep the faith with my air source heat pump installation
@jamespa That flow rate sounds rather high James! Regar...
By Toodles , 3 hours ago
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@jamespa thanks, I appreciate the offer. For n...
By DREI , 13 hours ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
@transparent what I don't understand about these "rogue...
By Scalextrix , 16 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
I have 3 women in the house, 2 little ones, so my heati...
By DREI , 18 hours ago
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@damon thanks. I will do as you suggest. Hopefully I wi...
By bontwoody , 19 hours ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
By JamesPa , 2 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 2 days ago
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RE: Midea ASHP – how to set weather compensation
Mostly, I think, but with some caveats. I set the TI...
By cathodeRay , 2 days ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 3 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 3 days ago
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 3 days ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 3 days ago
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RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 3 days ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
By ASHP-BOBBA , 4 days ago
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RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
By Lucia , 4 days ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 5 days ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 5 days ago
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RE: Anyone still weathering it out with Agile?
@toodles I guess it all comes down to import averages. ...
By Tim441 , 5 days ago