Where does the vibration in air conditioning units come from?
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Recently, it was found that an air conditioning unit was vibrating heavily; the vibration decreased significantly once the door to the medium-efficiency filter chamber was opened. In front of the medium-efficiency filter are the heat recovery wheel and the primary efficiency filter. I am currently using compressed air to blow the heat recovery wheel; I suspect that impurities are causing blockages, which is leading to poor airflow. Has anyone encountered this problem?
1. Severe clogging of the filter screen. 2. Instability of the fan’s shock absorbers. 3. Vibrations transmitted from the supply and return water pipes, which cause vibrations in the unit