4.INSTALL THE UNIT (CONT’D)
4.3HOW TO HANG THE UNIT (CONT’D)
•Turn the switch knob to OFF position in order to unlock the door. Unlatch the door and open it. Using a screwdriver, remove the 2 retaining screws of the front plate and carefully remove the front plate from the unit.
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•Insert the 4 hooks in the square holes and fix them to the unit using 4 screws #8 - 32 x 3/4”.
NOTE: If an optional wall controll has to be installed, go to Section 5.0 on pages 29 to 31. If not, continue the installation.
•Reinstall the front plate and close the door.
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•Hang the unit to the floor joist, using 4 #8 x 1 1/2” screws, 4 chains and 4 spings. See following illustration.
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4.4PLANNING OF THE DUCTWORK
•Keep it simple. Plan for a minimum of bends and joints.
•Keep the length of outside insulated duct to a minimum (not for HEPA 1000).
•Do not ventilate crawl spaces or cold rooms. Do not attempt to recover the exhaust air from a dryer or a range hood. This would cause clogging of the filters and recovery module (if applicable).
•If the house has two floors or more, be sure to plan for at least one exhaust register on the highest
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