WARNING
CAUTION
Model BP27
Fan Motor Assembly
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.
2. Before servicing or cleaning unit, switch power off at service panel. Lock or
tag service panel to prevent power from being switched on accidentally.
3. Installation work and electrical wiring (including switch location) must be
done by a qualified person(s) in accordance with all applicable codes and
standards.
4. Provide sufficient air for proper combustion and exhausting of gases through
the flue (chimney) of fuel burning equipment to prevent backdrafting. Follow
the combustion equipment standards such as those published by the National
Fire Protection Association (NFPA), the American Society for Heating, Refrig-
eration and Air Conditioning Engineers (ASHRAE), and local codes.
5. This product may have sharp edges. Be careful to avoid cuts and abrasions
during installation and cleaning.
6. When cutting or drilling into wall or ceiling, do not damage electrical wiring
and other hidden utilities.
7. Ducted fans must always be vented to the outdoors.
8. Not for use in kitchens.
9. Acceptable for use over a bathtub or shower when installed in a GFCI protected
branch circuit.
10. Do not use this fan with any solid-state speed control.
11. This unit must be grounded.
1. For general ventilating use only. Do not use to exhaust hazardous or explosive
materials and vapors.
2. Install fan at least five feet (1.52 m) above floor.
3. To avoid motor bearing damage and noisy, unbalanced impellers, keep drywall
spray, construction dust, etc. off motor and impeller.
4. Read specification label on product for information and requirements.
• For quiet and efficient operation, long life, and attractive appearance – lower or
remove grille and vacuum interior of fan with a dusting brush attachment.
• The motor is permanently lubricated and never needs oiling. If the motor bear-
ings make excessive or unusual noise, replace the motor with the exact service
motor. The impeller should also be replaced.
• To remove blower assembly - See step 3.
CLEANING & MAINTENANCE
INSTALLATION
NOTE: YOUR FAN (INCULDING GRILLE AND MOTOR PLATE) MAY LOOK
DIFFERENT THAN WHAT IS SHOWN.
1. Disconnect the electrical power supply
and lock out the service panel for the
existing fan.
2. Remove the grille from the existing
fan.
Pull grille down to expose two
springs. Squeeze each spring
together and pull down again
to release springs from
motor plate slots.
3. Remove fan motor / blower wheel
assembly from existing fan.
Unplug motor cord from receptacle
and remove screw located next to
receptacle. If necessary, insert a
straight-blade screwdriver between
motor plate and side of housing near
the screw location and gently pry
housing away from motor plate.
FOR USE ONLY WITH THESE BATH FAN MODELS
BROAN
662, 668
678-A, -B, -C, -D, -E, -F
688-A, -B, -C, -D, -E
NAUTILUS
N678-A, -B, -C, -D, -E
N688-A, -B, -C
NO OTHER USAGE HAS BEEN TESTED OR AUTHORIZED BY BROAN-NUTONE LLC.
Pivot assembly down and out.
4. Check existing housing.
Vacuum the interior of the existing fan
housing with a dusting brush attachment.
Examine the housing to make sure it
is securely fastened to the building
structure and free of any holes caused by
corrosion. The receptacle must be intact.
If any damage is found, do not continue installation of this product. Contact a
qualified person(s) for repair.
5. Replace old motor and
blower wheel.
Remove two nuts holding
old motor / blower wheel
to motor plate. Discard
old motor and blower
wheel. Push new blower
wheel onto new motor
shaft so that it is flush
with end of shaft. Attach
new motor / blower wheel
assembly to motor plate
with two nuts.
6. Install new assembly into
existing fan housing.
Insert two motor plate tabs
into slots in housing and
pivot assembly up until it
is touching the wiring box.
Secure in place with existing
screw. Plug in motor.
7. Install grille.
Squeeze one grille
spring together and
insert it into the
matching slot in
motor plate. Repeat
with the other grille
spring.
Push grille until it is tight
against ceiling or wall.
SCREW
SIDE OF
HOUSING
MOTOR
PLATE
MOTOR
NUTS
FLUSH
2 TABS
&
SLOTS
SCREW
GRILLE
GRILLE
SPRING
MOTOR
PLATE
SPRING
GRILLE
READ AND SAVE THESE INSTRUCTIONS
99044361C
BROAN-NUTONE ONE YEAR LIMITED WARRANTY
Broan-NuTone warrants to the original consumer purchaser of its products that such products will be free from
defects in materials or workmanship for a period of one year from the date of original purchase. THERE ARE NO
OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
During this one-year period, Broan-NuTone will, at its option, repair or replace, without charge, any product or part
which is found to be defective under normal use and service.
THIS WARRANTY DOES NOT EXTEND TO FLUORESCENT LAMP STARTERS, TUBES, HALOGEN AND INCANDES-
CENT BULBS, FUSES, FILTERS, DUCTS, ROOF CAPS, WALL CAPS AND OTHER ACCESSORIES FOR DUCTING. This
warranty does not cover (a) normal maintenance and service or (b) any products or parts which have been subject
to misuse, negligence, accident, improper maintenance or repair (other than by Broan-NuTone), faulty installation or
installation contrary to recommended installation instructions.
The duration of any implied warranty is limited to the one-year period as specified for the express warranty. Some
states do not allow limitation on how long an implied warranty lasts, so the above limitation may not apply to you.
BROAN-NUTONE’S OBLIGATION TO REPAIR OR REPLACE, AT BROAN-NUTONE’S OPTION, SHALL BE THE PUR-
CHASER’S SOLE AND EXCLUSIVE REMEDY UNDER THIS WARRANTY. BROAN-NUTONE SHALL NOT BE LIABLE
FOR INCIDENTAL, CONSEQUENTIAL OR SPECIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH PRODUCT
USE OR PERFORMANCE. Some states do not allow the exclusion or limitation of incidental or consequential dam-
ages, so the above limitation or exclusion may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state. This
warranty supersedes all prior warranties.
To qualify for warranty service, you must (a) notify Broan-NuTone at the address or telephone number below, (b) give
the model number and part identification and (c) describe the nature of any defect in the product or part. At the time
of requesting warranty service, you must present evidence of the original purchase date.
Broan-NuTone LLC, 926 W. State Street, Hartford, Wisconsin 53027 www.broan.com 800-558-1711
