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Sunbather’s Downunder in situ

modulation of the compressor output. The compressor modulates from low to full capacity, with the electrical demand and output varying accordingly. The benefit of this in air conditioning is obvious. The output of the compressor lowers as the heating/cooling demand

lowers as zones are switched off. The high efficiencies of inverter technology are made when the compressor is operating below full capacity. The unit operates at high efficiency as the compressor is effectively de-rated. The compressor input and heating output reduces but the COP is increased as the evaporator and heat exchanger effectively become over-sized. At first glance, the increased COPs achieved with partload operation of the inverter compressor are attractive, but the key aspect is to understand that the high efficiency is made as a trade-off to capacity. When a pool heat pump receives a call to run, this means that the pool temperature has fallen. The expectation is that

IA g R vin TO o 19 C M 0 VI fice ly 2 f u O J

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Profile for The Intermedia Group

SPLASH June-July 2019  

SPLASH! is the leading trade publication for the Australasian “wet industry”, incorporating the swimming pool, spa and aquatics industries....

SPLASH June-July 2019  

SPLASH! is the leading trade publication for the Australasian “wet industry”, incorporating the swimming pool, spa and aquatics industries....