Last seen: Sep 19, 2024
I take it that you are looking at the red line and not the blue line.
For optimum performance a heat pump should be operated at a low LWT that is consistent with reliable operation. The thermal energy output of a heat ...
If you operate the system as suggested you should not require a volumiser and definitely not a buffer tank. Let me try to explain how a heat pump sy...
If you wish for your system to operate in a more reliable and efficient manner I suggest that you try the following. Turn all the room thermostats t...
I would suggest that you do not get too concerned about controlling the speed of your water pumps. The primary reason to vary the speed of a water p...
What's that saying "measure twice, cut once". I wonder if the 'surveyor' received a promotion to 'manager'?
It is easy to compare the estimated output of different radiators using the calculator I provided. To estimate the thermal energy output of the type...
The standard output capacity of a radiator is specified at DT50, so if the IAT is 21C, the average water temperature would need to be 71C for the radi...
@mellow Is it possible to set this timer to be 'off until 10:00' and then 'on until 14:00'?
@heacol Thank you Brendon, though I would much prefer the information in table format which provides a great deal more detail.
Unlike a number of heat pump manufacturers, Daikin appear reluctant to publish heat pump data tables, or at least I have not yet found any. The prim...
I'm from the old school, I much prefer hanging, drawing and quartering. 😋
Latest Posts
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RE: Electricity price predictions
@julianc Expressed as a flow diagram, I suspect one wou...
By Toodles , 1 minute 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 , 4 minutes ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
@cathoderay yes there is the modbus register list at th...
By benson , 14 minutes ago
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RE: Heat Pump Damage on install - useable or dealbreaker?
@benson I imagine that this may well be a Daikin unit a...
By Toodles , 25 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 , 15 hours ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 16 hours ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 16 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
