NuTone 9412D Installation Instructions Manual

Bulb Heaters & Bulb Heater/Fans
MODELS: 9412D

IMPORTANT SAFETY INSTRUCTIONS

WARNING – 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 service panel 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 stan-
dards, including fire-rated construction codes and standards.
4. Sufficient air is needed for proper combustion and exhausting
of gases through the flue (chimney) of fuel burning equipment
to prevent backdrafting. Follow the heating equipment manufac-
turer's guideline and safety standards such as those published
by the National Fire Protection Association (NFPA), and the
American Society for Heating, Refrigeration and Air Condition-
ing Engineers (ASHRAE), and the local code authorities.
5. When cutting or drilling into wall or ceiling, do not damage
electrical wiring and other hidden utilities.
6. Do not install this unit over a tub or shower.
7. Never place a switch where it can be reached from a tub or
shower.
8. Do not operate unit with dimmer switch or speed control.
9. Model 9412D Only: Install housing no closer than 6" from side
wall. For supply connections, use wire suitable for 75°C mini-
mum. Do not install insulation within 3 inches of top or sides of
housing.
CAUTION
1. For general ventilating use only. Do not use to exhaust hazard-
ous or explosive materials and vapors.
2. This product is designed for installation in flat ceilings only. DO
NOT MOUNT THIS PRODUCT IN A WALL.
3. To avoid motor bearing damage and noisy and/or unbalanced
impellers, keep drywall spray, construction dust, etc. off power
unit.
4. Please read specification label on product for further information
and requirements.
, 9417DN
(Not Type IC)

INSTALLATION INSTRUCTIONS

READ & SAVE THESE INSTRUCTIONS!
, 9422P
(Type IC)
PLAN THE INSTALLATION
Choose the location for your heater. Refer to Warnings and Cautions.
MODELS 9417DN & 9427P ONLY – The unit will operate most
efficiently when located where the shortest possible duct run and
minimum number of elbows will be needed. Units are designed for
use with standard 4" round duct.
Note that two-bulb units (9422P & 9427P) can be fitted with one
infrared bulb (for heat) and one reflector bulb (for light). Dual or multi-
controls can be used for separate control of bulbs and/or exhaust
fan. Purchase controls separately.
Refer to FIGURE 1
Follow these basic steps when installing this unit:
1. Nail unit to joists.
2. Attach ductwork (Models 9417DN or 9427P only).
3. Connect power cable.
4. Fasten grille to housing.
PREPARE THE HEATER
1. Remove the unit from carton. Save carton for use as plaster
shield in rough-in installations.
Refer to FIGURE 2
2. Slide adjustable mounting brackets into bracket channels on
housing.
DAMPER/DUCT
CONNECTOR
CEILING
JOIST
CEILING MATERIAL
, 9427P
(Type IC)
POWER CABLE
HOUSING
GRILLE
BULB(S)
(Type IC)
MOUNTING
BRACKET
FIGURE 1
FIGURE 2