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screws which should be prepared locally.
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Detail drawing of fresh air intake
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structors and interior decorators should be consulted for details.
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foundation for securing the ends of the ceiling board.
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reinforcing members.
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Ferroconcrete structures
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Grille
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Steel reinforcing rod
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Suspend the main unit as shown in the diagram.
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2. Lift the unit to the proper height of the suspension bolts to insert the mounting
plate between washers and then fasten it securely.
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Damage could result by failing to adhere to this range.
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condensation may form and drip due to air leakage etc.
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with water.
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securely to fasten the main unit.
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entering the main unit when the grilles are left unattached for a while or when the
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Check using the Installation gauge
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Ceiling opening dimensions
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