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5. New installation prior to finishing the ceiling or wall:
MAKE SURE HOUSING WILLBE FLUSH WITH FIN-
ISHED CEILING OR WALL. Slotted tabs are provided
to locate housing flush with 1/2" ceiling or wall material.
Bend tabs outward 90
0
(Use a screw driver if desired)
and position housing so that tabs rest against bottom
edge of joists (or front of stud). Nail housing to joist
or stud using four nails to ensure a solid, quiet instal-
lation. Ceiling installations: Tabs on opposite side
of housing can be bent outward to rest on top of 1/2"
ceiling material and provide extra stability. (FIG. 4)
5. Replacement installation:
Position housing so that it is centered in existing
opening. MAKE SURE HOUSING IS FLUSH WITH-
FINISHED CEILING OR WALL. After making electrical
and ductwork connections (see steps 4, 5 and 6), nail
housing in place. Drive nails through the housing where
indicated by arrows. (FIG. 5)
5. New installation in an existing ceiling or wall:
From above ceiling or behind wall, position housing
against stud or joist. Trace outline of housing on ceil-
ing or wall material. (FIG. 6) Set housing aside and
cut opening. Place housing in opening such that its
BOTTOM EDGE IS FLUSH WITH FINISHED CEIL-
ING OR WALL. 1/2" ceiling or wall material: Bend tabs
outward 90
(use a screwdriver if desired) to rest on
0
top of ceiling or wall material and provide extra stability.
Nail in place using four nails to ensure a solid, quiet
installation. (FIG. 7)
6. Install 3" round duct onto damper/duct connector. If
rigid ductwork is used, its seam should be positioned
at top of damper/duct connector. Tape the joint and
extend ducting to a wall cap or roof cap. Make sure
the damper operates freely. Ceiling or wall can now
be finished.
NOTE: If damper detaches from duct connector, re-
insert it by squeezing duct connector top-to-bottom
while guiding posts on damper flap into holders in
duct connector. The horizontal rib should be on
the outside surface of damper flap and damper
flap should move freely inside of duct connector.
7. Replace the motor plate removed in Step 1. Insert two
motor plate tabs into slots in housing and then pivot
motor plate up until the third tab on plate snaps into
matching slot in housing. Make sure tabs hold motor
plate securely in place. Plug in motor. (FIG. 8)
8. Squeeze grille springs together and insert springs into
slots in motor plate. (FIG. 9) Push grille up against
ceiling or wall. (FIG. 10)
SERVICE PARTS
Grille Assembly (Includes Key Nos
1 & 2)
Grille Spring (2 Required)
Motor (Model 670)
Motor (Model 671, 671MX)
Motor (Model 688)
Motor (Model 689)
Motor Plate
Blower Wheel (Model 670, 671, 671MX)
Blower Wheel (Model 688 & 689)
Nut #6-32 (2 Required)
Damper/Duct Connector
(Models 670, 671, 671MX, 688, 689)
Damper/Duct Connector
(Model 1667HMTL))
Receptacle
Wiring Cover
Screw, #8-18
Always order replacement parts by "PART NUMBER" - not by "KEY NO."
Looking for dependable home heating & cooling? Rely on Broan for quality and long-lasting products.
FIG. 4
TABS
PESTAÑAS
FIG. 6
FIG. 8
FIG. 10
SERVICE
PARTS
4
3
1
KEY
PART NUMBER
NO.
NO.
NO. PIEZ
CÓDIGO
1
S97011668
1
2
S99140187
2
3
S99080254
3
S99080255
S97012041
S97012042
4
S98006791
4
5
S99020292
5
S99111002
6
S99260428
6
7
S97016377
7
8
S97015577
8
9
S99271654
9
10
S98006773
10
11
S99150478
11
FIG. 5
←
FIG. 7
FIG. 9
9
10
7
5
11
6
8
2
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