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—6—
1.6.1 HOW DOES THE DEHUMIDIFIER WORK?
Moist, humid air is drawn over a cold refrigerated
dehumidifying coil. Moisture in the air condenses on this
coil and drains into a bucket (or through the bucket into a
hose and drain).
Dry, clean air is drawn over the condenser where it is
actually heated several degrees and discharged out the
rear grill into the room. (See Figure 4)
■ It is normal for the surrounding air to become
slightly warmer as the dehumidifier operates.
This warming effect further reduces the relative humidity
of the surrounding air.
1.6.2 LOCATION FOR THE DEHUMIDIFIER
Allow at least 12 inches of space on all sides of the
unit for good air circulation. (See Figure 5)
■ The dehumidifier must be operated in an enclosed
area to be most effective.
■ Close all doors, windows and other outside
openings to the room.
Place the dehumidifier in a location that does not
restrict air flow into the front grille or out the rear grille.
The operation of dehumidifier in a basement will have
little or no effect in drying an adjacent enclosed
storage area, such as a closet, unless there is
adequate circulation of air in and out of the area.
Fan
Side View
Condenser
Evaporator
Motor
Compressor
Rear Grille
Bucket
Dry
Air Out
Humid
Air In
12"
12"
Figure 4
Figure 5
1.6 HOW TO OPERATE DEHUMIDIFIER
1.6.3 MICRO SWITCH
The micro switch assembly, which is located on the drain pan of inside unit, automatically shuts off the dehumidifier when the
bucket is full (note, the Auto Shut Off lights, to indicate bucket must be emptied). The bucket replaces in its place, the unit again
turns itself on.
1.6.4 AUTO DEFROST
When frost builds up on the cooling coils, the unit will automatically cycle off until the frost disappears. The fan continues to run.
NOTE: The unit will not operate satisfactorily if the room temperature is below 65˚F(18˚C). If the dehumidifier is
operated in low temperature conditions frost can form in the evaporator coil and the unit will cycle ON/OFF
repeatedly. In this case, please check your room temperature conditions and stop the unit.
NOTE:
The low temperature operation feature in the DH504EL, DH50EL and DH65EL models will continuously cycle up to
a temperature of 42°F(6°C).