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Last seen: Sep 19, 2024
@craig1980 Hi Craig, Have a look at page 34 onwards which details some test you could carryout on the outdoor unit, should you feel confident. The...
Hi Craig, I'm afraid that I have run out of suggestions. There appears to be something fundamentally wrong with your heat pump, and/or how the sys...
Ignoring any losses, it takes approximately 1.167kWh of energy to raise the temperature of 1000l by 1C. If a heat pump has a flow rate of 25l/min, a...
That is to be expected during the testing. What changes have you made to the Field Setting Values?
@craig1980 Thanks Craig, now lower the LWT setting to 30C and see what happens to how the system operates.
@marzipan71 Hi Steve, Sounds like a good plan. As you may have noticed from many of the forum posts, it is not just in Italy where designers and...
Now measure the top and bottom temperatures on two or three relevant radiators, and the flow rate and temperature readings from the information screen...
@craig1980 How is the system operating now? Is it still running 8 mins on and 20 secs off? What is happening with the room and radiator temps? W...
Yes, that would appear to be the correct method. Try running with a LWT of 35C and see how the system responds, and if it stops the 20 second off peri...
@craig1980 As you say, nothing appears to be changing dramatically. Though I fail to understand how your home is maintaining an indoor temperature o...
@cheshirecat Ask your installer for a detailed list of the equipment that is still to be installed, so that we can check on its availability. Try ...
@craig1980 Thanks, Now try monitoring the 'Master Indoor Zone Information', particularly as the 20 second off period ends and the heat pump restar...
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