NuTone 9905-RO2 Installation Instructions Manual

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installation instructions

NuTone 9905-RO2 Installation Instructions Manual Manual pdf 1 page image

INSTALLATION INSTRUCTIONSREAD & SAVE THESE INSTRUCTIONS!Heat-A-Vent®CombinationMODEL: 9905-RO2FOR BEST RESULTSIn a new construction site, install the housing (completewith heater and ventilator) during rough-in construction ofthe building. The grille should be installed when the finishedceiling is in place.Installation in an existing, finished building requiresan accessible area (attic or crawl space) above theplanned location. See “INSTALLATION IN EXISTINGCONSTRUCTION.”Do not install closer than 12 inches to a vertical surface.Do not install over tub or shower enclosure.• For installation in sloped ceilings up to 12/12 pitch.• Ductwork must point up.UNIT DIMENSIONSRefer to Figure 1 for housing’s dimensions.NOTE: If there will be a finished second floor above,the Model 9905 housing requires a minimum of 2” x 8”joist construction for mounting.WIRING AND DUCTWORK1. Run the required wiring during rough-in stage of construction.2. Total connected load: 1630 watts.3. Plan to run 120vAC, 60 Hz wiring (with ground) on aseparate 20 Amp circuit from a power source, throughthe provided wall switch, to the housing’s junction box.See wiring diagram.4. Use 4” round duct.INSTALLATION INNEW CONSTRUCTIONPREPARATION1. Loosen hanger bar brackets to allow bars to be inserted.2. Refer to Figure 2. Insert hanger bars into brackets.3. Refer to Figure 3. Slide hanger bar brackets down to endof slot closest to outside edge of housing. Tighten bracketsin this position.4. Refer to Figure 4. Remove junction box cover byremoving one screw.5. Refer to Figure 4. Remove appropriate wiring knockout(s)and install approved box connector(s).FIGURE 1FIGURE 2FIGURE 3 FIGURE 473⁄4”14”HANGER BARSADJUSTMENTSLOTJUNCTIONBOXCOVERVENTHEATKNOCKOUTS93⁄4”

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