Last seen: Sep 19, 2024
@john-connett What is the problem with the old controller?
@john-connett Hi John. It would appear that there are several possible solutions. You could go down the digital route using something like a digit...
@iantelescope Do you have Glycol in the primary circuit?
@john-connett The software part is simple, but how do you output actual resistance? I assume that both the old and new controllers are passing a s...
@john-connett It may be possible to build a simple electronic circuit that could emulate a NTC 20k thermister from a PT 1000 Resistance Temperature ...
@iantelescope For most efficient heat transfer, the primary inlet should be at the top so that the water is cooling as in flows down to the exit at ...
@iantelescope A photo would be useful.
Probably the easiest solution would be to see if you can find a NTC 20k sensor that is housed in a probe with the same physical dimensions as the PT 1...
As you state, it is not so much orientation as flow direction. If the PHE is mounted vertically, the flow from the heat pump should enter at the top...
Our hot water cylinder is at present at a temperature of 69.3C, heated solely from solar PV generation via our Immersun power diverter. Obviously th...
The fact that the app is greyed out could be because the controller is not receiving data from the missing item. The Outside Air Temperature (OAT) sen...
Is the missing device a thermostat or a temperature sensor?
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