9
General diagram of the refrigerating circuit
The heat pump is reversible allowing the swimming-pool’s heating or
cooling:
Swimming-pool water’s heating mode:
The cold and liquid refrigerant fluid absorbs the heat contained in the air through the evaporator (gilled
radiator), in which it is vaporizing; it is then put up in pressure and in temperature by the compressor
which sends it in the condenser (exchanger) where it loses its heat (in giving it to the water of
swimming pool) and comes back in liquid state; it loses its pressure and still cools in the expansion
valve before turning back to the evaporator for a new cycle.
Evaporator
(gilled
Hot air
radiator)
Electronic
expansion
valve
Cold air
Pressure and gas
intake
4 way valve
Hot water
Compressor
Condenser
(exchanger)
Cold water
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