Final Assembly - NuTone 9412D Instrucciones De Instalación

INSTALL THE HEATER
Refer to FIGURE 3
1. Position unit between joists and extend mounting brackets.
2. Nail brackets firmly to joists. Bottom of brackets should be
positioned flush with joist bottom.
Refer to FIGURE 4
3. Brackets are factory-set for ½" thick ceiling material. For thicker
ceilings, loosen 4 vertical adjusting screws and lower housing
to appropriate thickness on gauges. Tighten vertical adjusting
screws firmly.
ATTACH DUCTWORK
(MODELS 9417DN & 9427P ONLY)
Refer to FIGURE 4
1. Snap the damper/duct connector onto housing. Make sure that
tabs on the connector lock in housing slots and that gravity
closes damper.
2. Attach 4" round duct to damper/duct connector and run ductwork
to the outside through a roof or wall cap. Check damper to
make sure it opens freely. Tape all joints to make them secure
and air tight.
WIRE THE HEATER
Refer to FIGURE 5
1. Remove wiring box from side of housing. Remove knockout(s)
and connect power cable(s) to wiring box using proper U.L.
approved connector.
Refer to FIGURE 6 (on page 3)
2. Wire unit as indicated in appropriate diagram. Push all wiring
into wiring box and replace wiring box onto housing.

FINAL ASSEMBLY

Refer to FIGURE 7
1. Protect motor, bulb sockets and wiring from construction dust,
drywall spray, paint, etc. by using the plaster shield. Cut it from
the carton and follow directions printed on it.
2. Finish all ceiling work as necessary.
3. Remove plaster shield and check if bottom of housing is flush
with finished ceiling. If not, loosen vertical adjusting screws,
reposition housing, and retighten screws.
Refer to FIGURE 8
4. Attach grille by hooking springs onto clips on side of housing.
5. Install BR40 or R40-size 250W infrared bulb(s). Center grille
around bulb(s).
USE AND CARE
MODELS 9417DN & 9427P OPERATION NOTE: These units are
designed with a thermostat which senses excess heat and may
start the blower automatically. This is normal and is no cause for
concern.
DISCONNECT ELECTRIC POWER SUPPLY AND LOCK OUT
SERVICE PANEL BEFORE CLEANING OR SERVICING THIS
UNIT.
To clean fan assembly: Remove bulb(s). Unhook springs and re-
move grille. Loosen motor assembly mounting screws and rotate
assembly to remove it from housing. Gently vacuum fan, motor and
interior of housing. Reverse steps to replace fan assembly.
To clean grille assembly: Remove bulb(s). Unhook springs and
remove grille. Clean grille with mild soapy water. Use a mild deter-
gent, such as dishwashing liquid. Dry with a soft cloth. DO NOT
USE ABRASIVE CLOTHS, STEEL WOOL PADS OR SCOURING
POWDERS.
Motor is permanently lubricated — Do not oil or disassemble motor.
DAMPER/DUCT
CONNECTOR
4" ROUND
DUCT
WIRING BOX
2
FIGURE 3
VERTICAL ADJUSTING
SCREWS
FIGURE 4
FIGURE 5
FIGURE 7
FIGURE 8