1
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 quali-
fied 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
manufacturer'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
Conditioning Engineers (ASHRAE), and the local code authori-
ties.
5. When cutting or drilling into wall or ceiling, do not damage elec-
trical 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.
CAUTION
1. For general ventilating use only.
Do not
use to exhaust haz-
ardous 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 informa-
tion and requirements.
INSTALLATION INSTRUCTIONS
READ & SAVE THESE INSTRUCTIONS!
Bulb Heaters & Bulb Heater/Fans
MODELS: 9417DNM, 9420WHC, 9425WHC
PLAN THE INSTALLATION
Choose the location for your heater. Refer to Warnings and Cau-
tions.
MODELS 9417DNM & 9425WHC 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 de-
signed for use with standard 4" round duct.
Note that two-bulb units 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 9417DNM & 9425WHC 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.
FIGURE 1
DAMPER/DUCT
CONNECTOR
POWER CABLE
HOUSING
CEILING
JOIST
CEILING MATERIAL
BULB(S)
GRILLE
MOUNTING
BRACKET
FIGURE 2