Broan 336 Installation Guide
MODEL 336
EXTERIOR MOUNTED BLOWER
FOR USE WITH RANGEMASTER 60000 OR RM60000 SERIES OR 64000 SERIES RANGE HOODS
READ AND SAVE THESE 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 phone 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. 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 authorities.
PLAN THE INSTALLATION
ALL INSTALLATIONS
1. Locate the blower so the length of the duct run and number
of elbows needed are kept to a minimum.
WARNING
5. When cutting or drilling into wall, or ceiling, do not damage
electrical wiring or other hidden utilities.
6. Ducted fans must always be vented to the outdoors.
7. To reduce risk of fire, use only metal ductwork.
8. This unit must be grounded.
CAUTION
1. For general ventilating use only. Do not use to exhaust
hazardous or explosive material and vapors.
2. To avoid motor bearing damage and noisy and/or unbalanced impellers, keep drywall spray, construction dust, etc.
off power unit.
3. Please read specification label on product for further information and requirements.
4. Electrical circuit, including speed control, (if used), must be
rated 6 AMPS minimum.
SPECIFICATIONS
MODEL VOLTS AMPS CFM DUCT SIZE
336 120 4.3 1500 10" DIA.
2. Where possible, blower should be centered between wall
studs or roof rafters.
3. Avoid pipes, wires, or other ductwork that may be running
through the wall.
NOTE: Horizontal discharge requires relocation of the duct
opening cover plate. See hood manual for instructions.
MODEL 336
EXTERIOR BLOWER
10" ROUND
DUCT
SOFFIT
WALL HOOD
CANOPY
(island canopy
available)
COVER PLATE
DUCT
OPENING
24" or 27"
18"
ROUGH-IN
PLATE
TYPICAL ROOF MOUNTED INSTALLATION
(Vertical discharge)
INSTALLER: Leave This Manual With The Homeowner
HOMEOWNER: Use And Care Information On Page 4
10" ROUND ELBOW
10" ROUND DUCT
SOFFIT
WALL HOOD
CANOPY
(island canopy
available)
COVER PLATE
DUCT
OPENING
24" or 27"
18"
MODEL
336
EXTERIOR
BLOWER
ROUGH-IN
PLATE
TYPICAL WALL MOUNTED INSTALLATION
(Vertical discharge - elbow to horizontal)
10" ROUND DUCT
SOFFIT
WALL HOOD
CANOPY
(island canopy
available)
18"
24" or 27"
DUCT
OPENING
COVER
PLATE
MODEL
MODEL 335
336
EXTERIOR
EXTERIOR
BLOWER
BLOWER
ROUGH-IN
PLATE
TYPICAL WALL MOUNTED INSTALLATION
(Horizontal discharge)
11" dia.
hole
20½"
Ø
9
11
/
16"
Ø
18"
12
11
/
16"
1¼" dia. hole
Roof Rafter
Roof Rafter
REMOVE SHINGLES
Guide hole
(centered
between rafters)
11" dia.
hole
22"
Guide hole
(centered between studs)
25"
29½"29½"
14
11
/
16
"
11
13
/
16"14
5
/
8"
17"
Wall Stud
Wall Stud
11" dia.
hole
20"
1¼" dia. hole1¼" dia. hole
3
"
ØØ
ØØ
REMOVE
SIDING
REMOVE
SIDING
Guide hole
(centered between studs)
PREPARE THE INSTALLATION
LOCATION
PREPARE THE INSTALLATION
LOCATION
ROOF INSTALLATIONS
1. Locate the blower on the rear slope of the roof. Place it
in a location to minimize duct run. The location should
be free of obstacles (T.V. leads, electrical lines, etc.). If
the blower top is level with the roof peak, it will not be
seen from the street. Keep this approximate location in
mind as you work from within the attic.
2. Mark and drill a guide hole centered between roof
rafters.
Ø
18"
12
Ø
11
/
16"
1¼" dia. hole
REMOVE SHINGLES
1"
20½"
Guide hole
(centered
between rafters)
Roof Rafter
5
12
/
8"
11" dia.
hole
Roof Rafter
WALL INSTALLATIONS
1. Choose a position on the outside wall. Make sure that no
wall studs, pipes or wires run through the opening area.
2. From inside, mark and drill a guide hole centered
between wall studs.
3. From the outside, use the guide hole as a starting point
to lay out the installation:
A. Use a T-square to measure 125/8" to the left of the
B. Starting from the top-left corner, mark the rectangu-
C. Mark an 11" diameter hole centered on the guide
D. Mark and cut a 1¼" diameter hole through the roof
4. For flat roof installations, build a curb that will mount the
blower at a minimum pitch of 2/12. Discharge end of the
blower should be pointed away from prevailing winds.
21"
guide hole, then up 1211/16" to locate the top-left
corner of the layout.
lar cutout (21" W x 20½" H) and remove only the
shingles in this area.
hole. Cut this hole through the roof board(s).
board(s) where shown.
29-1/2"
2"
7"
25"
2"
3. From the outside, use the guide hole as a starting point
to lay out the installation:
A. Use a T-square to measure 145/8" to the left of the
guide hole, then up 1411/16" to locate the top-left
corner of the layout.
B. Starting from the top-left corner, mark the rectangu-
lar cutout (25" W x 29½" H) and remove only the
siding in this area.
C. Mark an 11" diameter hole centered on the guide
hole. Cut this hole through the wall.
D. Mark and cut a 1¼" diameter hole through the wall
where shown.
2
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