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RDF2 Installation Guide Page 2 Usage Tools Required For use with 1, 2, or 3-Hour-Rated Floor-Ceiling and Roof- - or - - or - Ceiling Designs. Flat Ceiling / Horizontal Mount Only. For use with the following ventilation fan models:...
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RDF2 Installation Guide Page 3 Concrete Slab or T-Bar Construction - UL / cUL Installation Install Fan/Damper Assembly Mount fan/damper assembly to the deck or ceiling structure HANGER above or adjacent to the assembly. WIRE (4) If the assembly is hung from the structure above, a minimum 12 steel wire gauge (3mm) hanger wire must be used.
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Page 4 RDF2 Installation Guide Finish Fan Installation SLOT (2) Follow instructions packed with fan to connect duct- GRILLE work and electrical wiring to fan. SPRING Finish ceiling around damper housing. Install Grille GRILLE REMOVE THE MASK BEFORE INSTALLING GRILLE OR OPERATING FAN.