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Last seen: Sep 19, 2024
Because fractions of one degree can become important, I would suggest that you start by numbering each of your temperature sensors, fastening all the ...
@crimson The direction of water flow through the larger radiator would appear to be in reverse, which could be part of the problem. My understanding...
I assume that this water pump is after the LLH and supplying the various heat emitters via the 3 zone valves. My understanding is that a LLH is like...
@crimson How many water pumps and zone valves are in your system? A schematic diagram would be useful.
Hi Toodles, Sorry if I appear to be jumping in. I started writing a reply to the original post, but before I could complete, my Son called and we ha...
Do you still have the buffer tank? If the heat pump controller is indicating a small DT but the heat emitters are not emitting sufficient thermal en...
According to the manufacturer's websites, the Stelrad is rated at 1784 Watts and the Eskimo at 1540 Watts, I assume at DT50. What is the calculated ...
How many zones do you have and are they in operation at the same time? The heat pump DT reduces when the thermal energy output becomes greater than ...
Have you checked that the valves on both ends of the radiators are correctly adjusted? Any TRV's should be fully open and the lockshield valves should...
I would suggest that you get an Electrician to check the wiring for bad connections and to measure the actual current with a clamp meter.
@clairelp Don't forget that if you switch off the power to the heat pump the frost protection is no longer operable. Please ensure that the system c...
It is difficult to tell from the photo's, but PCB's for outdoor use should be coated with a waterproof lacquer.
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Degrees of Separation
Latest Posts
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 13 minutes ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
Sooooo, what did we do in the end? We approached three ...
By Penval , 44 minutes ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 6 hours ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 8 hours ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 8 hours ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 9 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 1 day ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 1 day ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 2 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 2 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 3 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 3 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 3 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 4 days ago
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