Install Instructions
DUCT COLLARS
STANDARD BASEMENT AND ATTIC INSTALLATIONS (FULLY DUCTED)
• Use the screws in the parts bag to attach the duct collars to the inlet and outlet of the dehumidifier� The outlet collar has a backflow damper�
• The outlet duct collar may be attached to the top or end of the unit� Move the outlet cover to the location not being used� See FIGURE 2�
• Make sure there are no bends in the ductwork coming off the outlet for a minimum of 4"� This will ensure that the ductwork will not interfere with
the backflow damper function�
CLOSET INSTALLATIONS
Use the screws provided in the parts bag to attach the duct collars if
desired or required based on recommendations below:
• Where inlet space is restricted, the inlet duct collar is optional�
• When the dehumidifier is installed below the HVAC equipment
and requires a vertical discharge, move the top access panel to the
end of the unit� The outlet duct collar with backflow damper is not
required� See FIGURE 3�
• When the dehumidifier requires a ducted vertical discharge, remove
the top access panel and remount on the outlet of the unit� Install
the outlet duct collar with backflow damper on top of the unit� See
FIGURE 3�
CRAWL SPACE, SEALED ATTICS OR BASEMENT INSTALLATIONS
If dehumidifying the space in which the dehumidifier is installed, the
duct collars do not need to be installed� Leave the outlet cover on top
of the unit� See FIGURE 4�
OUTLET COVER
OUTLET DUCT
COLLAR W/BACK
DRAFT DAMPER
MOVE OUTLET
COVER AND
INSTALL OUTLET
DUCT COLLAR TO
TOP DISCHARGE
LOCATION
INLET
DUCT
COLLAR
INLET
DUCT
COLLAR
END DISCHARGE
TOP DISCHARGE
OUTLET COVER
UNDUCTED
INLET
UNDUCTED OUTLET
OUTLET
COVER
UNDUCTED
INLET
OUTLET DUCT
COLLAR W/BACK
DRAFT DAMPER
OUTLET
COVER
90-1909
90-191190-1910
FIGURE 2 – FULLY DUCTED INSTALLATIONS
FIGURE 4 – NON-DUCTED INSTALLATIONSFIGURE 3 – CLOSET INSTALLATIONS
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