Abstract
The paper presents selected issues relating to the
energy analysis of the air heat pump for hot water. Experimental
studies on a test stand made it possible to verify the operational
parameters of the heat pump under actual conditions of use.
The study shows that heating the water in the storage tank
with the capacity of 130 dm3 from 25°C to 40°C took approximately
60 minutes and the water heating for another 5°C took
30 minutes longer. The heat pump process in the field of higher
water temperature in the tank is less effective, thus heating the
water in the tank above 50°C is less favorable economically.
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