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®
Heat-A-Vent
Combination
MODEL: 9905
FOR BEST RESULTS
In a new construction site, install the housing (complete
with heater and ventilator) during rough-in construction of
the building. The grille should be installed when the finished
ceiling is in place.
Installation in an existing, finished building requires an
accessible area (attic or crawl space) above the planned
location. See "INSTALLATION IN EXISTING
CONSTRUCTION."
Do not install closer than 12 inches to a vertical surface.
Do not install over tub or shower enclosure.
UNIT DIMENSIONS
Refer 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 DUCTWORK
1. 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 a
separate 20 Amp circuit from a power source, through
the provided wall switch, to the housing's junction box.
See wiring diagram.
4. Use 4" round duct.
INSTALLATION IN
NEW CONSTRUCTION
PREPARATION
1. 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 end
of slot closest to outside edge of housing. Tighten brackets
in this position.
4. Refer to Figure 4. Remove junction box cover by
removing one screw.
5. Refer to Figure 4. Remove appropriate wiring knockout(s)
and install approved box connector(s).
®
INSTALLATION INSTRUCTIONS
READ & SAVE THESE INSTRUCTIONS!
ADJUSTMENT
SLOT
FIGURE 3
3
9
⁄
"
4
3
7
⁄
"
4
14"
FIGURE 1
HANGER BARS
FIGURE 2
VENT
JUNCTION
BOX
COVER
HEAT
KNOCKOUTS
FIGURE 4
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Summary of Contents for NuTone HEAT-A-VENT 9905
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Page 1: Unit Dimensions
® INSTALLATION INSTRUCTIONS READ & SAVE THESE INSTRUCTIONS! Heat-A-Vent ® ⁄ " Combination MODEL: 9905 ⁄ " FOR BEST RESULTS In a new construction site, install the housing (complete with heater and ventilator) during rough-in construction of the building. The grille should be installed when the finished ceiling is in place. - Page 2 MOUNTING THE HOUSING 1. Locate housing between joists. DUCT COLLAR 2. Refer to Figure 5. Using nails, secure hanger bars to joists. NOTE: The hanger bar brackets are adjustable. Allowing for the thickness of the finished ceiling, mount hanger bars so that edge of housing will be flush with the finished ceiling.
- Page 3 INSTALLATION IN EXISTING CONSTRUCTION In an existing, finished building, installation of the Heat- Vent Combination requires an accessible area (attic or crawl space) above the planned location. If the location that has been chosen for installation has a finished floor above it, be certain there is sufficient space available to install the housing and make the necessary duct connection.
- Page 4 WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. During this one year period, NuTone will, at its option, repair or replace, without charge, any product or part which is found to be defective under normal use and service. THIS WARRANTY DOES NOT EXTEND TO FLUORESCENT LAMP STARTERS OR TUBES, FILTERS, DUCT, ROOF CAPS, WALL CAPS AND OTHER ACCESSORIES FOR DUCTING.
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