Models
WCM28
N28W
Read Carefully All Of This Manual
Before Installing The Unit
Lea Con Cuidado Todo Este Manual Antes
De Instalar La Unidad
Safety Rules
1. Read instructions carefully.
2. Unit must be in the OFF POSITION and UNPLUGGED from
power receptacle when installing or performing any mainte-
nance.
3. Your cooler will run on 120 volt AC., 60 Hz (cycle) current
only.
4. Motor and pump are grounded and have an automatic thermal
overload switch which will shut motor off when it overheats. The
motor will restart automatically when it cools down.
WARNING: To reduce the risk of fi re or electric shock, do not
use this fan with any “solid-state fan speed control device.”
Read And Save These Instructions
Evaporative Cooling
With this unit being a fresh air system, you are not trapped with
recirculating air that can become stale, laden with smoke and odors,
as happens with refrigerated air conditioning systems. Instead,
you are completely replacing the air every 2 to 4 minutes by either
opening doors or windows or a combination of both to exhaust the
air continually.
How much should you open your windows? To obtain the maximum
cooling capacity of your cooler, you should open your windows until
the air inside the house is nearly balanced with the air outside. As
you open your windows you decrease the pressure buildup inside the
home, and the cooler is able to output increasingly more air until the
capacity of the cooler is reached.
One method to determine when the air is reasonably balanced is to
place a piece of tissue paper up against the screen of the window
furthest from the cooler and adjust the opening of the windows in the
house until the tissue paper stays lightly on the screen. If the tissue
plasters itself to the screen, open the windows more. If it falls, close
the windows more.
Vea el español en el interior.
110499 3-09
Operation
To eliminate delivery of hot air when starting cooler, turn on pump
only for the fi rst few minutes, then turn on the blower motor.
These coolers may be used without water for ventilation purposes.
When outside air is cool (for example, at night) or when humidity is
high the water pump can be turned off.
Serial #
Número De Serie
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Window Evaporative Cooler
Manual
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