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Last seen: Aug 3, 2026
We have a Grant Aerona 290 15.5kW heat pump with their new Smart Controller. The controller, econet24 app and web site are all pretty good. The m...
@kenbone thanks for this input. It sounds like a better approach. Please could you tell me the model of heat pump you are using and point me to the ...
@jamespa unlike some systems, the Grant Aerona does have the ability to install a firmware upgrade. The Grant support engineer told me that they are ...
@grantmethestrength In winter, one would hope that the heat pump compressor is running continuously, so then the water pump must be running all the ...
This church project has more in common with a commercial building than a home. Maybe an obvious point, but it is important to consider how quickly...
@jamespa I tried both settings. Pump blockade definitely controls the whether its internal water pump stops when the compressor stops. The energy...
@iaack I could still use weather compensation to control the flow temperature, even with Pump Blockade = Yes, but the room thermostat in the Grant Aer...
@dgclimatecontrol just to clarify, the water pump is inside the heat pump. It is controlled by the Grant Smart Controller that also contains a thermo...
Yes that is a very fair point. I was thinking of the situation where you really need a 10kW heat pump, but install a 12kW or 16kW. Other items could...
@jamespa thanks for sharing your analysis. We have a commercial scale gas meter installed. We used to have two boilers, but then moved to a single 4...
@ashp-bobba wow that is such a professional approach. I am really impressed!
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