hajdu HB300C Manuel De Mise En Service, D'opération Et D'entretien page 63

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4. THE WORKING METHODE OF THE HEATPUMP
4.1. Operation principle
HB300(C(1)) heat pump water heater is seemingly similar to traditional electric
hot water tanks. During its normal operation cycle, HB300(C(1)) connected to
household pipeline and electrical power system does not use as much electric power
for direct heating of water as the traditional electric hot water tank does, but rather, it
uses energy in a more rational and efficient way, reaching the same result with an
energy use of less than 70% as compared to the traditional electric hot water tank.
Heat pump is named by the fact that it is able to transfer heat from a heat source
of lower temperature to a heat source of higher temperature, which means it turns
natural flow of heat, which is transferred from a heat source of higher temperature to a
heat source of lower temperature. The application of the heat pump brings the benefit
that it is able to transfer more energy (in form of heat) than the energy it takes for its
operation (in form
of electric power). This way, heat pump is able to extract energy from heat sources
existing in its environment without "expenditure", depending on the type and availability
of the heat sources.
HB300(C(1)) heat pump water heater extracts heat from stuffy internal air to be
refreshed, thus it adds to the efficiency increase of water heating. It is possible to select
among several different configurations to use environmental air, which provides
multilateral application of the appliance besides different operational conditions.
HB300(C(1)) heat pump water heater has been planned and manufactured
pursuant to specifications on the energy performance of buildings. The appliance
ensures more rational energy use and leads to savings in the operational costs. As
opposed to other alternative systems used to produce sanitary hot water, heat
extraction from free energy sources definitely reduces environmental effects of
emissions into the atmosphere.