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Last seen: Aug 13, 2025
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...
@morgan Havenwise uses the data that is fed to Melcloud so it could work for you. I haven't inquired but I would expect you to need to be using the m...
The hot water mode is the settings on FTC6, I think you are thinking of separate pump speeds for heating and DHW which is only on FTC 7, its in the vi...
@jingle86 Thats in the Ecodan ATW Databook Volume 6.0 /p> No idea what they mean that's why I suggested calling the technical help line they are...
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RE: Analysis of the economics of switching to an A2W ASHP compared to other heat sources
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