18 Back-up function In the event of a compressor malfunction another compressor or outdoor unit will take over in order to maintain 8 hour interim capacity, allowing time for maintenance or repair while comfort remains guaranteed. Multi outdoor unit system Duty Cycling extends operation life The cyclical start-up sequence of multiple outdoor units systems equalises compressor duty and extends operating life. Top reliability + Most extensive testing before new units leave the factory + Designed to perform Auto-cleaning filters Auto cleaning filters enhance reliability thanks to clean air filters all the time. Additionally clean filters reduce running costs and improve indoor air quality. Refrigerant-cooled PCB J Reliable cooling because it is not influenced by ambient air temperature J Smaller switchbox for smoother air flow through the heat exchanger increasing heat exchange efficiency with 5%
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