Last seen: Mar 10, 2025
Great sounds like you have it functioning correctly.
AA uses your weather compensation curve as a starting point some info here.
If its a std mitusbishi preplumbed cylinder then it doesn't usually have a buffer they do have what Mitsubishi call a Low Loss Header but it has minim...
I have never checked but I assumed all my secondary pumps are running during a defrost as there is only 10M of 28mm pipe in the primary not sure what ...
@morgan just go to the login to the website hcas has provided, that just gets the data across to them they won't take control until you request it.
@clockworks I have never tried to use a wireless controller before so will be interested to find out how it goes. I would hope the dip switch change...
@harriup I believe these offsets only work in autoadapt mode and not in weather compensation mode which is why I were suggesting @clockworks gets his ...
@wvtienen1 Yes its controlled by a signal to the pump, if I change the value on the heatpump controller I can hear the pump speed up or slow down and ...
@wvtienen1 There is a flow meter that measures the flow rate and can be accessed on the heatpump controller, the pump speed/power can be set from th...
@clockworks The only way to detect defrosts from the data is as you say to see the flow temp drop below the return. You should be getting defrosts wh...
The short answer as always is it depends, different models do it differently. Mitsubishi is constant flow rate so as the heat pump modulates down you...
@clockworks or get your installer back to fix it, the cycling you are getting isn't acceptable, the MCS guideline talks about volumisers to ensure the...
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Heat Pump Sizing & Installation Costs
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