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Page 5 of 12
HOW EVAPORATIVE AIR COOLERS WORK
The air cooler cools the air by means of evaporation. When water evaporates into the air, the result
is a mixture of air and water molecules. This chemical change requires heat which is taken from
the water molecules, resulting in a spot cooling effect.
• The recommended relative humidity for optimum operation is 60% or lower. A drier climate
makes for more noticeable cooling.
• The evaporative air cooler should not be used in enclosed or sealed spaces. It must be kept
level and there must always be water in the water tank. Doors and windows should be open to
allow free air flow. The evaporative air cooler works best when placed near an open window/air
current.
• When the product is used for the first time the Honeycomb cooling media will have an odour,
this should dissipate within a week of use.
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