NuTone 9412D Installation Instructions Manual Download Page 1

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INSTALLATION INSTRUCTIONS

READ & SAVE THESE INSTRUCTIONS!

Bulb Heaters & Bulb Heater/Fans

MODELS: 9412D 

(Not Type IC)

, 9417DN 

(Type IC)

, 9422P 

(Type IC)

, 9427P 

(Type IC)

IMPORTANT INSTRUCTIONS

READ ALL INSTRUCTIONS BEFORE INSTALL-

ING 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 electri-

cal 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 fur-

niture, 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 electri-

cian 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 dis-

connect 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. This product must be grounded.
15. Do not install heater in a tub or shower enclosure.
16. This product is designed for installation in flat ceilings only. DO

NOT MOUNT THIS PRODUCT IN A WALL.

17. Install heater in flat ceiling only - at least 6 inches from any wall.
18. Do not connect heater to dimmer switch or speed control.

SAVE THESE INSTRUCTIONS

PLANNING

Choose the location for your heater. Refer to IMPORTANT IN-

STRUCTIONS. 
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.

FIGURE 1

DAMPER/DUCT

CONNECTOR

POWER CABLE

HOUSING

CEILING

JOIST

CEILING MATERIAL

BULB(S)

GRILLE

MOUNTING

BRACKET

Summary of Contents for 9412D

Page 1: ...connect heater turn controls to off and turn off power to heater circuit at main disconnect panel or operate internal dis connect switch if provided 10 Do not insert or allow foreign objects to enter...

Page 2: ...PREPARATION 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 FIGURE...

Page 3: ...rmly to joists Bottom of brackets should be po sitioned flush with joist bottom Refer to FIGURE 4 3 Brackets are factory set for thick ceiling material For thicker ceilings loosen 4 vertical adjusting...

Page 4: ...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 Remov...

Page 5: ...talled according to installation steps beginning with the PLANNING section on page 1 MODELS 9417DN 9427P OPERATION NOTE These units are designed with a thermostat which senses excess heat and may star...

Page 6: ...e heater is permanently lubricated and never needs oiling or disassembly CLEANING Clean heater once a month as follows 1 Turn off power at service panel 2 Make sure bulbs are cool 3 Use a soft brush a...

Page 7: ...RED GROUND HEAT DUAL CONTROL GROUND WHITE to WHITE GRAY 120 VAC LINE IN GROUND BLACK BLACK WHITE to WHITE BLACK to BLACK RED GROUND SWITCH OR TIMER WHITE to WHITE GRAY 120 VAC LINE IN GROUND BLACK BLA...

Page 8: ...wer Wheel 12 97009762 Fan Blade 13 97009475 97009476 97009477 97009478 Housing Includes Ref Nos 9 23 14 97009595 97009595 Damper Duct Connector 15 25067 00 20050 09 20050 09 20050 09 Wiring Box Cover...

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