Last seen: Sep 19, 2024
@guthrie The red and white vessels will be expansion tanks, one for the heat pump water circuit and the other fro the Domestic Hot Water (DHW). To...
@cathoderay Have a look at page 143 of the attached manual.
Welcome to the forum. I cannot see an error 01 in the manual for an Ecodan, which may or may not be relevant. When you say the heat pump is running...
@cathoderay It is quite simple really. Like decimal, binary can be represented in rows and columns. Decimal. Binary. Tens. Un...
A further factor to consider is how the setback is achieved. If it is by using the WC offset, it may just be reducing the LWT by the offset, and raisi...
@cathoderay I fully agree that the heat loss will reduce as the IAT reduces at a constant OAT. If the LWT is now returned to the value it was prio...
@cathoderay Many thanks Ray.
@cathoderay If you can provide all the variables covering the past week at 1 minute intervals that should be more than adequate.
What you suggest is fine whilst the weather is reasonably mild, although inclement. My concern would be when the temperatures get colder, the IAT woul...
I suspect the recovery is taking longer today because the IAT was lower, and because you are limiting the permitted LWT increase to 3C, this in turn i...
@sunandair I suppose the starting point would be to try to ascertain if your desired control philosophy is actually achievable. If you expect (as ...
@josephiah When the clocks changed, did you manually change the time on the controller or did it occur automatically? Try changing the time back to ...
Latest Posts
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RE: Testing new controls/monitoring for Midea Clone ASHP
I doubt it, many 'improvements' are quite the opposite....
By cathodeRay , 12 minutes ago
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RE: Heat Pump Damage on install - useable or dealbreaker?
A few years ago all external condensing units and monob...
By AllyFish , 14 minutes ago
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RE: Electricity price predictions
@julianc Expressed as a flow diagram, I suspect one wou...
By Toodles , 52 minutes ago
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RE: Big Changes Coming to Our Heat Pump System
@jamespa The dormitories at my boarding school (in Exet...
By Toodles , 55 minutes ago
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RE: Who’s Caved and Switched the Heating On Already?
In the last week, the external temperature in south Man...
By GrahamF , 16 hours ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 17 hours ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 17 hours ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
I hear you on the locality issue @transparent, and I ag...
By Scalextrix , 19 hours ago
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Selling 5 year old ASHP & Gas Combi Boiler - £590
Selling a 5-year-old Daikin Altherma Hybrid Air Source ...
By Paul G , 20 hours ago
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RE: Midea ASHP – how to set weather compensation
@pash44pump Referring to the problem of rooms with diff...
By Tasos , 21 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Er true, it should have read l/hr!
By JamesPa , 22 hours ago
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@damon thanks. I will do as you suggest. Hopefully I wi...
By bontwoody , 2 days 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 , 3 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 , 3 days ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 4 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 , 4 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 , 4 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 , 4 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 , 4 days ago
