Ariston 100 L Panduan Teknis - Halaman 10
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THERMODYNAMIC CYCLE
The heat pump water heater does not
directly heat water using electrical energy,
but makes a more rational use of the latter
to obtain the same result in a more efficient
manner, namely by consuming approx. 2/3
less water.
The efficiency of a heat pump cycle is
measured by the Coefficient of Performance
(COP), i.e. the ratio between the energy
supplied to the appliance (in this case, the
heat transferred to the water to be heated)
and the electrical energy used (by the
compressor and the appliance's auxiliary
devices). The COP varies according to the
type of heat pump and to its relative
conditions of operation.
For example, a COP value equal to 3
indicates that for every 1 kWh of electrical
energy used, the heat pump supplies 3 kWh
of heat to the medium to be heated, of
which 2 kWh are extracted from the free
source.
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