Contact: AIRSYS North America Phone: (855) 874-5380 Page 84 of 112
Email: ASNSupport@air-sys.com Web: http://airsysnorthamerica.com Rev 1.15
Replace Air Filter
A dirty air filter reduces the air volume and the system capacity. This problem can be avoided by regularly
cleaning or replacing filters. The frequency at which filters must be checked depends on the amount of
dust in the environment. If the filters are frequently very dirty, the frequency of checks and maintenance
should be increased.
Clean the Preliminary Air Filter
The preliminary air filter can become clogged with dust and leaves or other debris after a period of use
and should be cleaned with water or compressed air.
Inspect and Clean Condenser Coils
During times of peak usage, the condensing coils must be able to offer maximum thermal exchange.
Debris such as paper, dead leaves, and dust can be sucked in around the coils, reducing the thermal
exchange rate. Dirty condenser coils may trigger the high-pressure switch and cause the compressor to
lock out.
Remove any objects from the coil which may have accumulated and wash the system with water and
commercial coil cleaner. The coil should be inspected more frequently if the environment experiences
seasons of high dust or falling leaves.
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