NuTone 9905-RO2 Installation Instructions Manual

Heat-A-Vent
MODEL: 9905-RO2

IMPORTANT INSTRUCTIONS

READ ALL INSTRUCTIONS BEFORE INSTALLING OR USING THIS
HEATER.
To reduce the risk of fire, electric shock, or injury to persons, observe the
following:
1. Use this unit only in the manner intended by the manufacturer. If you
have questions, contact the manufacturer at the address or
telephone number listed in the warranty.
2. Before servicing or cleaning unit, switch power off at service panel
and lock the service disconnecting means to prevent power from
being switched on accidentally. When the service disconnecting
means cannot be locked, securely fasten a prominent warning
device, such as a tag, to the service panel.
3. Installation work and electrical wiring must be done by a qualified
person(s) in accordance with all applicable codes and standards,
including fire-rated construction codes and standards.
4. When cutting or drilling into wall or ceiling, do not damage electrical
wiring and other hidden utilities.
5. This heater is hot when in use. To avoid burns, do not let bare skin
touch hot surfaces. Keep combustible materials, such as furniture,
pillows, bedding, papers, clothes, etc. and curtains at least 3 feet
(0.9 m) from the front of the heater.
6. Extreme caution is necessary when any heater is used by or near
children or invalids and whenever the heater is left operating and
unattended.
7. Do not operate any heater after it malfunctions. Disconnect power at
service panel and have heater inspected by a reputable electrician
before reusing.
8. Do not use outdoors.
9. To disconnect heater, turn controls to off, and turn off power to heater
circuit at main disconnect panel (or operate internal disconnect
switch, if provided).
10. Do not insert or allow foreign objects to enter any ventilation or
exhaust opening, as this may cause an electric shock or fire, or
damage the heater.
11. To prevent a possible fire, do not block air intakes or exhaust in any
manner.
12. A heater has hot and arcing or sparking parts inside. Do not use it in
areas where gasoline, paint, or flammable vapors or liquids are used
or stored.
13. Use this heater only as described in this manual. Any other use not
recommended by the manufacturer may cause fire, electric shock, or
injury to persons.
14. Install heater at least 12 inches from floor or any adjacent wall.
15. To avoid electrical shock: Do not install unit in a tub or shower
enclosure or any location where it may come in contact with water.
Never place a switch where it can be reached from a tub or shower.
16. This product is designed for installation in ceilings up to a 12/12 pitch.
Duct connector must point up. DO NOT MOUNT THIS PRODUCT IN
A WALL.
17. Do not connect heater to dimmer switch or speed control.
18. Ducted fans must always be vented to the outdoors.
19. Provide a separate 20 AMP circuit. Use 12 GA. power cable of type
which meets code.
20. This product must be grounded.
SAVE THESE INSTRUCTIONS
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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.
• For installation in sloped ceilings up to 12/12 pitch.
• Ductwork must point up.

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.
1

INSTALLATION INSTRUCTIONS

9 ⁄ "
3
4
14"
7 ⁄ "
3
4
FIGURE 1
30042494B