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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Cross references for @martingale Background discussi...
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