NuTone 754RBNT Instructions Manual

Also see for 754RBNT: Selection guide Architectural & engineering specifications

Contents

NuTone 754RBNT Instructions Manual Manual pdf 2 page image

Page 2MODELS 754RBNT • 754SNNTTYPICAL INSTALLATIONS(continued)SUSPENDED CEILINGSHousing hung with wires - 3-point mount.3. Set housing aside and drive nails partially into joist at thetop of both keyhole marks.4. Hang housing from nails and pound nails tight. To ensurea noise-free mount, pound another nail through the tophole of each mounting tab.INSTALL THE HOUSING(continued)New ConstructionExisting Construction2. In attic, position mounting brackets against joist. Traceoutline of housing on ceiling material.1. Choose the location for your fan/light in the ceiling. Forbest possible performance, use the shortest possible ductrun and a minimum number of elbows.3. Set housing aside and cut ceiling opening slightly largerthan marked.INSTALL THE HOUSING1. Choose the location for your fan in the ceiling. For bestpossible performance, use the shortest possible duct runand a minimum number of elbows.2. Position mounting brackets against joist so that bottomedge of housing will be flush with finished ceiling.Additional positioning feature for 5/8”, 1”, &1-1/4” thick ceiling material:Holes in corners of housing are labeled with variousceiling material thicknesses. Position housing sobottom edge of joist is visible through a matchedset of holes. The housing is now in the properposition for that ceiling material thickness.Additional positioning feature for 1/2” thickceiling material:Bend two tabs, on side of housing, 90 0 outward. Lifthousing until tabs contact underside of joist.Mark the keyhole slot on both mounting brackets.New Construction5/811-1/4TABHOLESBOTTOM EDGE OF JOIST- PLEASE NOTE -THE FOLLOWING INSTALLATION ILLUSTRATIONS SHOW 2 X6 JOISTS. IF YOU HAVE A TRUSS OR “I”-JOIST INSTALLA-TION, MOUNT THE VENTILATOR TO THE ADDITIONAL FRAM-ING IN THE SAME MANNER. (Additional framing must be a2x6 (minimum height), at least 9-inches long.)