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IMPORTANT SAFEGUARDS
READ BEFORE USING YOUR HUMIDIFIER
1) This appliance has a polarized plug (one blade is wider than the other). To reduce the
risk of electric shock, this plug is intended to fit into a polarized 120-volt AC, 15 amp
outlet, and only one way. If the plug does not fit fully in the outlet, reverse the plug. If it
still does not fit, contact a qualified electrician. Do not attempt to defeat this safety
feature. If an extension cord must be used, it should also accept the wide blade plug
and meet this electrical rating.
2) Do not place the cord under rugs, near loose drapes, in traffic areas, nor near heat
sources or combustible materials.
3) Do not use the humidifier if the cord is damaged.
4) Always unplug the power cord before filling, cleaning, servicing, or when the unit is not
in use.
5) Care must be used when filling. Remove top grille and fill through the left opening
between wick and sidewall of cabinet. Any water spilled on chassis must be dried
before energizing humidifier.
6) This humidifier is ETL listed with Essick Air brand evaporative wicks in place. To
maintain your ETL rating, see your service center for all repairs.
7) It is very important that cleaning solutions such as bleach, anti-bacteria treatment or
descaler, which could be used to clean the cabinet, are not sprayed or applied to the
chassis assembly. These solutions can cause serious electrical malfunction of the
humidifier.
INTRODUCTION
Your Essick Air evaporative humidifier adds invisible moisture to your home by moving
dry inlet air through a saturated wick. As air moves through the wick, the water evaporates
into the air, leaving behind any white dust, minerals, or dissolved and suspended solids.
Because the water is evaporated, there is no messy mist or spray and no white dust, just
clean and invisible moist air.
As the evaporative wick traps accumulated minerals from the water, its ability to absorb
and evaporate water decreases. We recommend changing the wick at the beginning of
every season. In hard water areas, more frequent replacement may be necessary to
maintain your humidifier’s efficiency.
Use only Essick Air brand replacement wicks and chemicals.
To order parts, wicks and chemicals call 1-800-547-3888. The 500 Series humidifiers use
Essick Air wick #1040 and air filter #1050. Only the Essick Air evaporative wick guarantees
the certified output of your humidifier. Use of wicks other than Essick Air brand will void your
warranty as well as the certification of output and may reduce the efficiency and output of
your humidifier.
CAUTION: Do NOT position the unit directly in front of a hot air duct or radiator.