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Maintenance and service
Installer reference guide
56
RXF20~ARXF20~42E5V1B
R32 split series
4P519439-21V – 2022.10
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Heat exchanger
The heat exchanger of the outdoor unit can get blocked up due to dust, dirt,
leaves, etc. It is recommended to clean the heat exchanger yearly. A blocked
heat exchanger can lead to too low pressure or too high pressure leading to
worse performance.