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Last seen: Mar 25, 2026
@sheriff-fatman Thank you for the additional information. Your system seems to be very similar to mine and it produces very similar results. I have us...
@jamespa Thank you, I have validated the temperature sensors and found them to be accurate. I am interested in suggestion c) that there are specifi...
@f1p Thank you. I have specifically asked Mitsubishi about PWM control, they have told me that it isn’t available if you have a third party cylinder. ...
@jamespa Thank you for the reply. I recognise that the data that I am using is not very accurate but it is good enough to show that the efficiency of ...
@f1p Yes it’s a 25% change in Delta T and hence a 25% change in output
@f1p I only have 1 pump the max flow is about 25 l/min, here's a table including flow rate, OAT, COP etc
@f1p That's a large difference in performance to my system
@jamespa Please would you explain In that case no surprise COP is only 3.1 if my understanding of autoadapt is correct" My understanding of auto adapt...
@f1p 17 Radiators with a combined output of 10.2kW at a delta T of 25C, i.e. flow of 45C room temp of 20C. Water heating represents about 5% of my o...
Correctly attached 28 Feb this time
I'll try again that was for 5 Feb MEL Pump App - Heat Pump Detailed Report
@f1 p. If I have done this correctly it should give the data for 28 Feb which has no defrost cycles, an OAT of about 7C and very stable operation ...
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