NewAir NEC500SI00 Owner's Manual page 16

5. Run the cooler for 30 seconds. This will circulate the cleaning solution
through the pump and tubing to remove any leftover mineral deposits. Do
not operate longer than 30 seconds, or damage might occur to other parts
of the cooler
6. Rinse the tank and fill it with clean water. Run it for several minutes
without the cooling pad in place to ensure the cleaning solution has been
rinsed away.
7. Replace cooling pad and dust filer and operate unit as normal.
8. If the evaporative cooler will not be in use for an extended period of time,
place the unit back in its original carton and keep it stored in a clean, dry
place.
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