Instruction Manual for BROAN models including: PEN811 Ventilation Fan with Selectable, PEN811, Ventilation Fan with Selectable, Fan with Selectable, with Selectable, Selectable

Installation Guide

PEN811 Flex Series™ ventilation Fan with selectable CFM

PEN811 FLEX SeriesTM Fan

3 lug 2024 — IMPORTANT- The ducting from this fan to the outside of the building has a strong effect on the air flow, noise and energy use of the fan. Use.


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Installation Guide PEN811 En
For Warranty Statement, Service Parts, Technical Support, or to

Register your product, please visit our website or call:

PEN811 FLEX Series Fan TM

In the United States - Broan-NuTone.com 800-558-1711.

READ AND SAVE THESE INSTRUCTIONS In Canada - Broan-NuTone.ca 800-567-3855.

WARNING

CAUTION

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. 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.
5. When cutting or drilling into wall or ceiling, do not damage electrical wiring and other hidden utilities.
6. Ducted fans must always be vented to the outdoors.

1. For general ventilating use only. Do not use to exhaust hazardous or explosive materials and vapors.
2. This product can be installed in a wall if mounted 8-ft. or more above the floor.
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 information and requirements.
CLEANING & MAINTENANCE
For quiet and efficient operation, long life, and attractive appearance - lower or remove grille and vacuum interior of unit with the dusting brush attachment. The motor is permanently lubricated and never needs oiling. If the motor bearings are making excessive or unusual noises, replace the blower assembly (includes motor and impeller).
OPERATION
Use an on/off switch to operate the fan. Refer to Broan's catalog for a complete line of accessories/controls to effectively adapt these fans to your requirements.

7. Acceptable for use over a tub or shower when connected to a GFCI (Ground Fault Circuit Interrupter) - protected branch circuit (ceiling installation only).
8. This unit must be grounded.

Scan QR for additional information or assistance on your Broan-NuTone Exhaust Fan.

COOKING AREA Do not install above or
inside this area.

45o

45o

INSULATION (Place around and over fan housing.)
FAN HOUSING
POWER CABLE *

ROOF CAP* (with built-in damper)
Keep duct runs short.

NOT FOR USE IN A COOKING AREA.

Cooking Equipment

Floor

IMPORTANT - The ducting from this fan to the outside of the building has a strong effect on the air flow, noise and energy use of the fan. Use the shortest, straightest duct routing possible for best performance, and avoid installing the fan with smaller ducts than recommended. Insulation around the ducts can reduce energy loss and inhibit mold growth. Fans installed with existing ducts may not achieve their rated airflow.

Seal gaps around housing.

OR

4-IN. ROUND

DUCT*

Seal duct joints

with tape.

* Purchase separately.

4-IN. ROUND ELBOWS*

WALL CAP* (with built-in
damper)

OPTION - To mount housing anywhere between ceiling framing: Use optional Hanger Bar Kit (sold separately from local distributors or website). Follow mounting instructions included with kit.

1

ALL INSTALLATIONS

11

Remove all packing material, unplug and remove blower from fan housing.

21

Remove wiring panel from fan housing (if

31 Select CFM based on

already installed).

your room size and desired

air flow. 80 or 110 CFM

80 110

41

Some models only: A pair of flanges

may be attached to

housing if desired

or required.

Snap both flange pieces under rolled-over edge of housing (all four sides).

For Retrofit Installation Skip to Page 3.

NEW INSTALLATION

51

Attach damper/duct connector to fan housing.

Push connector through opening from inside of housing.
Engage tabs and secure with screw from TABS parts bag.

71

Connect 4-in. round duct.

61 Mount housing to ceiling structure.

I-JOIST

Make sure bottom of housing will be flush with finished ceiling.

WOOD BLOCKING

For proper location using 1/2" ceiling material: Bend out housing tabs (on outside of housing) to fit against bottom of joist.

Secure housing through mounting ears with appropriate fasteners. If mounting housing to I-joist, use wood blocking as shown.

HOUSING TABS

A 4 to 6-inch duct expander is provided with select models.
2

81 Connect wiring.
Connect power cable to wiring plate (from parts bag) using UL approved connector. Connect house wiring to fan wiring. Refer to wiring diagram for connection details. Use screw (from parts bag) to secure wiring plate to fan housing. Re-install wiring panel and secure with screw from parts bag.

91

Finish ceiling. Then continue with Step 10.

RETROFIT INSTALLATION

51

Remove old fan and prepare

ceiling.

Enlarge ceiling opening (if

necessary) to 9¾" parallel to

joist) by 10½" (perpendicular

to joist). (Some models have

a cut-out template on side of

1

carton or on grille packaging materials.)

9¾-in.

Existing fan housings are typically attached to the structure: · with screws, nails, or staples, which must be removed. · with hangers or rails which are fastened to joists and must be removed along
with housing. A pry bar may be needed to remove the old housing. Leave ductwork and wiring in place.

10½-in.

JOIST 2

61

Fold mounting ears flat against housing.

71 Connect wiring.
Connect power cable to wiring plate (from parts bag) using UL approved connector. Connect house wiring to fan wiring. Refer to wiring diagram for connection details. Use screw (from parts bag) to secure wiring plate to fan housing. Re-install wiring panel and secure with screw from parts bag.

81

Mount fan to ceiling structure.

Mount housing to ceiling structure with appropriate fasteners in locations shown.

3

91

Connect 4-in. round duct.
Pull existing ducting through

3

housing discharge opening
and tape ducting to duct connector. Push connector/

1 2

ducting back through opening.

4

Engage tabs and secure with

screw from parts bag.

110

Install blower.
Re-install blower removed

in Step 1. Secure blower

with 2 screws from parts

bag. Plug blower into black

receptacle.

ALL INSTALLATIONS
FlexTM Series Fan ONLY

TABS
Continue with Step 10.

111 Install grille.
Squeeze grille springs and insert into slots in blower. Push grille up against ceiling.

Depending upon model - your grille may look different.

If grille spring becomes
dislodged from grille - snap it back into place as shown.

ON / OFF SWITCH (purchase separately) SWITCH BOX

WIRING DIAGRAM

BLACK/BLUE
WHITE GROUND (bare)

RECEPTACLE

WIRING PLATE

120 VAC LINE IN

4

1115473A



References

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