Introduction
Ground and Air Source Heat pump systems harness this power and convert
it to provide heating and hot water for either domestic or commercial
installations.
Air Source units
Air source systems are frequently used when there is insufficient outside
room to put in ground loops or drill a site. Air source systems are becoming
increasingly popular for blocks of flats and in urban areas. The system
consists of an outdoor unit, an indoor hydro-box, a sanitary hot water tank
and a controller.
The outdoor unit extracts free low temperature heat from the surrounding air and increases its temperature. Upgraded heat is then transmitted via the refrigerant circuit to the indoor hydro-box.
The indoor hydro-box transfers the heat in the refrigerant to the water circulated in the central heating system and sanitary hot water tank. In the combined heating and cooling version of the indoor hydro-box cooling is achieved by reducing the water temperature to 4 °C and circulating it through coil fan units.
The Sanitary hot water tank is a stainless steel tank constructed to maintain the highest levels of energy efficiency, is available to meet sanitary hot water needs. The combination or an electric booster heater in the upper part of the tank and a heat pump heat exchanger in the lower part ensures the lowest possible energy consumption with rapid water heating. In addition, a built in function raises the water temperature to 70 °C or higher at least once a week to remove any possibility of legionella growth.
