4.INSTALL THE UNIT (CONT’D)
4.5INSTALLING 8’’ DUCTS AND REGISTERS
4.5.1STAND ALONE SYSTEM (AS ILLUSTRATED IN SECTIONS 2.1.1 AND 2.3.1)
Stale air exhaust ductwork
!WARNING
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Never install a stale air exhaust register in a closed room where a combustion device operates, such as a gas furnace, a gas water heater or a fireplace.
•Install the stale air exhaust register in the main area where the contaminants are produced: kitchen, living room, etc. Position the register as far from the stairway as possible and in such a way that the air circulates in all the
NOTE: If an additional register is installed, connect it to a 8” flexible duct.
•If the register is installed in the kitchen, it must be located at least 4 feet (1.2 m) from the range.
•Install the register 6 to 12 inches (152 to 305 mm) from the ceiling on an interior wall OR install it in the ceiling.
Fresh / Filtered air distribution ductwork
•Install the fresh / filtered air distribution register in a large, open area in the lowest level to ensure the greatest possible air circulation. Keep in mind that the filtered air register must be located as far as possible from the stale air register. If desired, you can install another register (sold separately).
NOTE: If an additional register is installed, connect it to a 8” flexible duct.
•Install the register in the ceiling OR 6 to 12 inches (152 to 305 mm) from the ceiling on an interior wall. The duct lenght should be at least 15’ (4.6 m). (The filtered air will then flow through the room and mix with room air, ensuring a continuous recirculating airflow.)
How to connect the 8’’ flexible duct to the registers and unit ports.
•Once the register location is determined, cut out a
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