The unit is very easy to operate, simply switch it on and set the desired pool water temperature. The
system includes a micro-computer controller, allowing all operation parameters to be set. The
operation status can be displayed on the controller with LCD display.
2.1 System diagram
(Cooling) (Heating)
• Heat pumps utilize the suns free heat by collecting and absorbing energy from the outside air. This
energy is them compressed and transferred to the pool water. Your existing water pump circulates
the water through the heater, usually next to the pool equipment and the water warms up. The heat
pump timer could be set to operate during daylight hours, for example, usually 9 am to 5 pm.
• The unit contains a fan that draws in outside air and directs it over the surface of the EVAPORATOR
(energy collector). The liquid refrigerant within the EVAPORATOR coil absorbs the heat from the
outside air to becomes a gas.
• The warm gas in the coil passes through the COMPRESSOR concentrating and increasing the heat
to form a very hot gas which then passes to the CONDENSER (water heat exchanger). It is here that
the heat exchange occurs as the hot gas gives off heat to the cool swimming pool water circulating
through the coil.
• The pool water becomes warmer and the hot gas cooling as it flows through the CONDENSER coil
returning to its liquid form and after passing on through the CAPILLARY TUBE, the whole process
begins again.
• The state of the heat pump technology can efficiently collect heat from the outside air down to 7℃ to
10℃ range. For tropic and subtropical climates, this means that a pool can be maintained at 26℃ to
32℃.
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