Last seen: Apr 13, 2025
@trebor12345 @jamespa I do not know your timing sequences but I will try and venture an opinion here. I think that the unit is doing a two phase defr...
@agentgeorge I also have UFH with 4kW HP unit. I agree with your sentiments. UFH is the only way to go. Radiators just complicate things and it is w...
Theoretically there should be no penalty if there is no power surge on initiation. However, both Samsung and Daikin appear to have a designed-in perio...
@jamespa Talking about Mitsubishi, the @RobS post early on in this thread re 8kW R290 Mitsubishi is interesting as this unit is achieving constant 2k...
@old_scientist Apologies for the late reply. My 500,000 mile check-up was due with the quack. There are three DT’s to consider. Room-to-outside, emi...
I need to temper my previous statement. This Daikin is running a very high room temperature of 23C which means the flow temperature is too high for a ...
@jamespa These COP curves might explain something else that was puzzling me. Although the Daikin is running continuously at 1.6kW, its COP is not as g...
@jamespa @robs @trebor 12345 Attached is a more detailed power table. CAP and IPT are nominal integrated capacity and input power with defrost corre...
@trebor12345 Attached is the document which provides more info.
@jamespa Quick one for your information. Specs for Hitachi 3HP heat pump which one member of this forum has. Note min/max power. Ratio 2.1/11 = 19%.
@jamespa There is a lot here but I wish to deal with the fundamentals first. Firstly, you have ignored the statement by Graham Hendra that he has ...
@jamespa Firstly, I can confirm that the Daikin heat pump in the example was producing 8kW output during the cold spell in January. Regarding thi...
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ми не граємо в карти
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