BROAN ZB80ML1 - Home Fan

ZB80ML1 - Home Fan BROAN - Free user manual and instructions

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Product Type Whole House Fan
Brand Broan
Model ZB80ML1
Airflow (CFM) 1400 CFM
Power Supply 120 V, 60 Hz
Motor Type Permanently Split Capacitor (PSC)
Number of Speeds 3-speed manual control
Sound Level (Low/High) 2.0 sones / 6.0 sones
Mounting Type Ceiling mount (joist-mount)
Dimensions (W x L x H) 24 in. x 24 in x 14 in. (61 cm x 61 cm x 35.6 cm)
Weight 25 lbs (11.3 kg)
Duct Size 8 in. round duct
Attic Opening Required 14 in. x 14 in. (35.6 cm x 35.6 cm)
Insulation R-Value R-19
Control Type Single wall switch (not included)
Filter Washable foam filter
Warranty 3-year limited
UL Listed Yes
Energy Star Certified No
Installation Requirements Professional installation recommended
Cleaning Instructions Vacuum grille and wash foam filter monthly
Replacement Parts Filter (part # XF80), Motor (part # 99080400)

Frequently Asked Questions - ZB80ML1 BROAN

How do I install the Broan ZB80ML1 whole house fan?
Installation requires a ceiling opening of 14x14 inches and an 8-inch duct. The fan mounts between joists. It is recommended to hire a professional electrician for wiring and ensure proper attic ventilation.
What size room is the ZB80ML1 suitable for?
This fan is designed for homes up to 2,000 square feet. It can effectively ventilate multiple rooms when windows are partially open.
How loud is the ZB80ML1 during operation?
On low speed it operates at 2.0 sones (quiet), and on high speed at 6.0 sones (moderate). It is quieter than many comparable fans.
Does the ZB80ML1 require a filter?
Yes, it includes a washable foam filter that should be cleaned monthly to maintain airflow and air quality.
What warranty does Broan offer?
Broan provides a 3-year limited warranty covering defects in materials and workmanship. Proof of purchase is required.
Can I control the fan with a standard wall switch?
Yes, it is designed to be used with a standard single-pole wall switch (not included). For variable speed, a separate speed control may be added.
Is the ZB80ML1 Energy Star rated?
No, this model is not Energy Star certified, but it is still an efficient choice for whole-house ventilation.
How do I clean the ZB80ML1?
Turn off power. Remove the grille and vacuum dust. The foam filter can be washed with mild soap and water, then dried completely before reinstalling.
What replacement parts are available?
Common replacements include the foam filter (part XF80) and the motor (part 99080400). They can be ordered from Broan or authorized dealers.
Can I use the fan in winter?
It is not recommended for winter use as it exhausts warm indoor air. Use only when outdoor temperatures are comfortable for cooling.

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ZB80ML1 ■ ZB110ML1

X2 | Multi-Speed Ventilation

Fan with Dimmable Light

and Motion Sensor

INSTALLATION GUIDE

BROAN ZB80ML1 - ZB80ML1 ■ ZB110ML1 - 1

natural_image Technical line drawing of a mechanical assembly with internal components and mounting brackets (no text or symbols)

Easy installation in both new construction and retrofit

Table of Contents

Warnings and Cautions 2

Typical Installation 2

New Construction Installation 3

Retrofit Installation 7

Operation 12

Cleaning and Maintenance 13

Troubleshooting 13

Service Parts 14

Warranty 14

WARNING

BROAN ZB80ML1 - WARNING - 1

BROAN ZB80ML1 - WARNING - 2

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.
  7. Use only ON/OFF switch, mechanical timer or relay-switched control.
  8. Acceptable for use over a tub or shower when connected to a GFCI (Ground Fault Circuit Interrupter) - protected branch circuit.
  9. This unit must be grounded.

CAUTION

BROAN ZB80ML1 - CAUTION - 1

  1. For general ventilating use only. Do not use to exhaust hazardous or explosive materials and vapors.
  2. This product is designed for installation in flat ceilings. Sensor will not function reliably if product is not installed in flat ceiling. 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 information and requirements.

NOT FOR USE IN A COOKING AREA
Do not install above or inside this area
Floor 45° 45° Cooking Equipment

Typical Installation

• Installation is the same for:

BROAN ZB80ML1 - Typical Installation - 1
Joists

BROAN ZB80ML1 - Typical Installation - 2
I-Joists

BROAN ZB80ML1 - Typical Installation - 3
Trusses

BROAN ZB80ML1 - Typical Installation - 4

  • Fits in 2" x 8" ceiling construction.
  • Infinitely adjust the fan position between joists from 14" to 24" on center.

INSULATION* (Place around and over Fan Housing.) FAN HOUSING POWER CABLE* Seal gaps around Housing. ROUND DUCT* *Purchase separately. Seal duct joints with tape. OR ROUND ELBOWS* ROOF CAP* (with built-in damper) Keep duct runs short. WALL CAP* (with built-in damper)

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, straighest 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.

6-inch round rigid metal duct is recommended for best performance.

New Construction Installation

Tools needed

• Power screwdriver with a Phillips bit
- Phillips screwdriver
- Flathead screwdriver
- Pliers
- Wire insulation stripper
- Wire cutter

Materials needed

  • 6" round metal ducting recommended for best performance.
    Use of other ducting is acceptable but may impact performance.
  • Roof cap or wall cap (built-in damper recommended)
  • Tape to seal duct connections
    • Electrical wiring and supplies per local code requirements

1 Remove Packaging

BROAN ZB80ML1 - Remove Packaging - 1
Parts Bag holds Knockout Plate and six (6) screws

Remove Instruction Sheet

Punch out Mask from packaging. See Step 6.
BROAN ZB80ML1 - Remove Packaging - 3

natural_image Pure mechanical assembly diagram showing two connected components with arrows indicating direction (no text or symbols)

2 Install Mounting Frame

I nting e ② ①

Diagram showing a drill press setup with numbered components and directional arrows indicating motion or movement.

New Construction Installation

3 Snap-in and Secure Housing
nd sing 1 2 snap! 3 Screws from Parts Bag 4 Position Housing between joists and crimp channel on both sides of Mounting Frame to lock Housing in place. Do not crimp Housing.

4 Attach Duct Connector and Ducting
Top and bottom flanges go outside Housing Insert tab into slot inside Housing 1

Screw from Parts Bag

6" Ducting Tape 3 4" Ducting Tape Tape 6" to 4" Reducer (for Model ZB80ML only)

New Construction Installation

5 Connect Wires and Install Knockout Plate • Run 120VAC electrical wiring to the installation location

  • Run 120VAC electrical wiring to the installation location.
  • Use proper UL-approved connectors to secure wiring to the Knockout Plate provided in Parts Bag.
  • Connect wires as shown in wiring diagram.

1 Attach cable clamps to Knockout Plate. Knockout Plate mounts to outside of Housing and may be oriented as desired. 2 Connect wires Fan Light

③ ④ Screw from Parts Bag

LIGHT WITH ON/OFF SWITCH
BROAN ZB80ML1 - Connect Wires and Install Knockout Plate • Run 120VAC electrical wiring to the installation location - 3

flowchart
graph TD
    A["LIGHT SWITCH"] --> B["FAN MANUAL ON"]
    A --> C["FAN MASTER & SENSOR/CONTROL"]
    D["LINE IN"] --> E["BLK"]
    E --> F["WHT"]
    F --> G["GRD"]
    G --> H["14/3"]
    H --> I["BRN"]
    I --> J["SENSOR CONTROL"]
    J --> K["BLK"]
    K --> L["FAN"]
    L --> M["WR"]
    M --> N["UNIT SWITCH BOX"]
    O["14/2"] --> P["BLK BLU"]
    O --> Q["WHT"]
    R["14/3"] --> S["RED"]
    T["14/2"] --> U["BRN"]
    V["14/3"] --> W["WHT"]

LIGHT WITH DIMMER SWITCH
BROAN ZB80ML1 - Connect Wires and Install Knockout Plate • Run 120VAC electrical wiring to the installation location - 4

flowchart
graph TD
    A["MANUAL ON"] --> B["SENSOR/CONTROL"]
    B --> C["MASTER"]
    C --> D["LINE IN"]
    D --> E["GRID"]
    E --> F["SWITCH BOX"]
    F --> G["UNIT"]
    G --> H["BRN"]
    H --> I["SENSOR CONTROL"]
    I --> J["BLK"]
    J --> K["FAN"]
    K --> L["RED BLK"]
    L --> M["ORG"]
    M --> N["BLU"]
    N --> O["WHT"]
    O --> P["14/2"]
    P --> Q["14/4"]
    Q --> R["BRND BLK"]
    R --> S["WHT"]
    S --> T["GRID"]
    T --> U["SWITCH BOX"]
    U --> V["UNIT"]

• See OPERATION section on page 12 for details.
- MASTER switch turns fan system on and shuts it off for fan cleaning and maintenance purposes.
- SENSOR/CONTROL switch turns motion control automatic operation on/off.
- MANUAL-ON switch directly increases fan operation to certified airflow rate.
- MASTER and SENSOR/CONTROL switches can be combined (see page 10).
- Motion sensor can be wired to control light (see page 10).
- MASTER switch along with or separate from SENSOR/CONTROL switch may be located where they are not easily accessed for everyday usage; they may need to be labeled and located where they can't be turned on without being seen from fan to comply with local and national codes.

New Construction Installation

BROAN ZB80ML1 - New Construction Installation - 1

Insert Mask and finish Ceiling

• Install ceiling material.
- Cut out around Housing.

CAUTION

BROAN ZB80ML1 - CAUTION - 1

BROAN ZB80ML1 - CAUTION - 2

IN ORDER TO PREVENT

MOTOR/CONTROL DAMAGE:

If the blower was unplugged, power must be disconnected (see page 2, WARNING item 2) before inserting motor plugs into control assembly.

d Power must WARNING plugs into Use this mask to prevent construction dust, down well onto REMOVER MASK BEFORE INSTALLING SINGLE. Look out the mask plate for installing a position in the system. For example, it is not required. Remove the mask plate to install a single GREEN LE GURVELE ARANT & INSTALLER LA O white plate, which is made for confirmation, or is installed on screen, so that the mask plate is closed. RETOPE LA CUMBENA AUTES DE INTEGRAT LA REILLE Mask prote duringcons Remove installing

Mask protects unit duringconstruction. Removebefore installingGrille.

BROAN ZB80ML1 - MOTOR/CONTROL DAMAGE: - 2

Install Grille

Plug in Sensor 1 2 Plug in Light 3

BROAN ZB80ML1 - Install Grille - 2

natural_image Illustration of a hand pressing down on a device with a slide and fan (no text or symbols)

Retrofit Installation

Tools needed

• Power screwdriver with a Phillips bit
- Phillips screwdriver
- Flathead screwdriver
- Pliers
- Wire insulation stripper
- Wire cutter

  • Ruler
  • Pencil
  • Drywall saw
  • Claw hammer or pry bar
  • Utility knife

Materials needed

  • Tape to seal duct connections
  • Existing rigid duct will require the addition of a short length of flexible duct
    • Electrical wiring and supplies per local code requirements

1 Remove Packaging

BROAN ZB80ML1 - Remove Packaging - 1
Parts Bag holds Knockout Plate and six (6) screws

Remove Instruction Sheet

Punch out Mask from packaging. See Step 12.
BROAN ZB80ML1 - Remove Packaging - 3

natural_image Abstract geometric diagram with interlocking 3D shapes and arrows, no text or symbols present

2 Switch Off Power

WARNING

BROAN ZB80ML1 - WARNING - 1

Before removing existing fan, 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 Enlarge Ceiling Opening and Remove Existing Fan

12" (30.5 cm) 11" (27.9 cm) parallel with joists ①

BROAN ZB80ML1 - Enlarge Ceiling Opening and Remove Existing Fan - 2

natural_image Diagram showing a coiled tube or pipe with a downward arrow and circled number 2, no text or symbols present.

Existing ductwork and wiring left in place

BROAN ZB80ML1 - Enlarge Ceiling Opening and Remove Existing Fan - 3

natural_image Technical illustration of a mechanical assembly inside a transparent box (no text or symbols visible)

4 Examine Wiring Examine the existing wiring

Examine the existing wiring to make sure it is not damaged. If any damage is found, DO NOT CONTINUE INSTALLATION of this product. Contact a qualified person(s) for repair.

Retrofit Installation

5 Remove Blower Assembly
Remove Emitter Assembly ① ② Both sides

Set aside Blower Assembly ③

6 Remove Wiring Panel
1 Set aside screw 2

Set aside Wiring Panel ③

7 Insert Mounting Frame
ing ① Remove screws from Mounting Frame and set aside ② Bend up four tabs

Retrofit Installation

8 Secure Mounting Frame
Screws set aside in Step 7 using

9 Snap-in Housing

Pull existing wiring into Housing as it is inserted into Mounting Frame

10 Attach Ducting and Duct Connector
Pull existing ductwork into Housing 1 2 4 Screw from Parts Bag 3 Insert tab into slot inside Housing

6" Ducting Tape 4" Ducting Tape Tape 6" to 4" Reducer (for Model ZB80ML only)

Retrofit Installation

11 Install Knockout Plate, Connect Wires and Reinstall Wiring Panel

  • Use proper UL-approved connectors to secure wiring to the Knockout Plate provided in Parts Bag.
  • Connect wires as shown in wiring diagram.

1 Attach cable clamps to Knockout Plate. Knockout Plate mounts to inside of Housing and may be oriented as desired. 2 Screw from Parts Bag 3 Connect wires Light Fan

Screw set aside in Step 6 ⑤ ④

BROAN ZB80ML1 - Install Knockout Plate, Connect Wires and Reinstall Wiring Panel - 3

natural_image Technical line drawing of a mechanical assembly with a numbered component (6), no visible text or symbols

BROAN ZB80ML1 - Install Knockout Plate, Connect Wires and Reinstall Wiring Panel - 4

flowchart
graph TD
    A["Light SWITCH"] --> B["FAN MANUAL ON"]
    B --> C["FAN MASTER & SENSOR/CONTROL"]
    C --> D["14/2"]
    D --> E["BLK BLU"]
    E --> F["LIGHT"]
    F --> G["WHT"]
    H["LINE IN"] --> I["GRD"]
    I --> J["14/3"]
    J --> K["BRN"]
    K --> L["SENSOR CONTROL"]
    L --> M["BLK"]
    M --> N["FAN"]
    N --> O["WHT"]
    P["UNIT SWITCH BOX"] --> Q["RED"]
    Q --> R["BRN"]
    R --> S["SENSOR CONTROL"]
    S --> T["BLK"]
    T --> U["FAN"]
    U --> V["WHT"]

• See OPERATION section on page 12 for details.
- MASTER switch turns fan system on along with motion control and shuts them off for cleaning and maintenance purposes.
- MASTER switch may be located where it is not easily accessed for everyday usage; it may need to be labeled and located where it can't be turned on without being seen from fan to comply with local and national codes.

BROAN ZB80ML1 - Install Knockout Plate, Connect Wires and Reinstall Wiring Panel - 5

flowchart
graph TD
    A["MANUAL ON"] --> B["SENSOR/CONTROL"]
    B --> C["MASTER"]
    C --> D["LINE IN"]
    D --> E["GRD"]
    E --> F["SWITCH BOX"]
    F --> G["14/4"]
    G --> H["UNIT"]
    H --> I["BRN"]
    I --> J["SENSOR CONTROL"]
    J --> K["BLK"]
    K --> L["FAN"]
    L --> M["RED BLK"]
    M --> N["BLU"]
    N --> O["ORG"]
    O --> P["WHT"]
    P --> Q["BRN"]
    Q --> R["LIGHT"]
    R --> S["WHT"]
    S --> T["MANUAL ON"]
    U["MANUAL ON"] --> V["MANUAL ON"]
    W["MANUAL ON"] --> X["MANUAL ON"]
    Y["MANUAL ON"] --> Z["MANUAL ON"]
    AA["MANUAL ON"] --> AB["MANUAL ON"]
    AC["MANUAL ON"] --> AD["MANUAL ON"]
    AE["MANUAL ON"] --> AF["MANUAL ON"]
    AG["MANUAL ON"] --> AH["MANUAL ON"]
    AI["MANUAL ON"] --> AJ["MANUAL ON"]
    AK["MANUAL ON"] --> AL["MANUAL ON"]
    AM["MANUAL ON"] --> AN["MANUAL ON"]
    AO["MANUAL ON"] --> AP["MANUAL ON"]
    AQ["MANUAL ON"] --> AR["MANUAL ON"]
    AS["MANUAL ON"] --> AT["MANUAL ON"]
    AU["MANUAL ON"] --> AV["MANUAL ON"]
    AW["MANUAL ON"] --> AX["MANUAL ON"]
    AY["MANUAL ON"] --> AZ["MANUAL ON"]
    BA["MANUAL ON"] --> BB["MANUAL ON"]
    BC["MANUAL ON"] --> BD["MANUAL ON"]
    BE["MANUAL ON"] --> BF["MANUAL ON"]
    BG["MANUAL ON"] --> BH["MANUAL ON"]
    BI["MANUAL ON"] --> BJ["MANUAL ON"]
    BK["MANUAL ON"] --> BL["MANUAL ON"]
    BM["MANUAL ON"] --> BN["MANUAL ON"]
    BO["MANUAL ON"] --> BP["MANUAL ON"]
    BQ["MANUAL ON"] --> BR["MANUAL ON"]
    BS["MANUAL ON"] --> BT["MANUAL ON"]
    BU["MANUAL ON"] --> BV["MANUAL ON"]
    BW["MANUAL ON"] --> BX["MANUAL ON"]
    BY["MANUAL ON"] --> BZ["MANUAL ON"]
    CA["MANUAL ON"] --> CB["MANUAL ON"]
    CC["MANUAL ON"] --> CD["MANUAL ON"]
    DD["MANUAL ON"] --> DE["MANUAL ON"]
    EF["MANUAL ON"] --> GF["MANUAL ON"]
    GH["MANUAL ON"] --> ID["MANUAL ON"]
    IJ["MANUAL ON"] --> AJ["MANUAL ON"]
    AKI["MANUAL ON"] --> AL["MANUAL ON"]
    AMI["MANUAL ON"] --> AN["MANUAL ON"]
    AOI["MANUAL ON"] --> AP["MANUAL ON"]
    AQI["MANUAL ON"] --> AR["MANUAL ON"]
    ASI["MANUAL ON"] --> AT["MANUAL ON"]
    AUI["MANUAL ON"] --> AV["MANUAL ON"]
    AWI["MANUAL ON"] --> AX["MANUAL ON"]
    AYI["MANUAL ON"] --> AZ["MANUAL ON"]
    BAIX["MANUAL ON"] --> BA["XWHT"]
    BBX["XWHT"] --> BC["XWHT"]
    BDX["XWHT"] --> BD["YWHT"]
    BEY["XWHT"] --> BY["YWHT"]

Retrofit Installation

12 Reinsert and Secure Blower Assembly

CAUTION

BROAN ZB80ML1 - CAUTION - 1

BROAN ZB80ML1 - CAUTION - 2

IN ORDER TO PREVENT MOTOR/CONTROL DAMAGE:

Power must be disconnected (see page 2, WARNING item 2) before inserting motor plugs into control assembly.

BROAN ZB80ML1 - CAUTION - 3

natural_image Technical diagram of a mechanical assembly with internal components and a black arrow indicating direction (no text or symbols)

Technical diagram of an air conditioner unit with labeled components and wiring connections

Screws from Parts Bag

If ceiling repairs are needed, place Mask in Housing after Blower Assembly is secured. See New Construction Installation Step 6. Remove Mask before installing Grille.

13 Install Grille

Plug in Sensor 1 2 Plug in Light 3

BROAN ZB80ML1 - Install Grille - 2

natural_image Illustration of a hand pressing down on a striped panel with arrows indicating motion (no text or symbols)

WARNING More 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.

Operation

It is normal for this ventilation fan to take approximately 5 seconds to start running after it is turned on.

Modes

(For reference, wiring diagrams are on pages 5 and 10.)

Continuous ventilation:

  1. Turn master wall switch on.
  2. Fan operates at user-adjustable airflow rate.

Motion sensing:

  1. If master wall switch is not already on, turn it on.
  2. Turn sensor/control wall switch on. Some installations may not have a separate sensor/control wall switch; where it is combined with master wall switch.
  3. Fan operates at certified airflow rate and sensor detects motion.
  4. When no more motion is detected, fan enters time delay mode. (See below.)

Manual-on (optional manual-on wall switch must be installed):

  1. Turn master and manual-on wall switches on (sensor/control wall switch can be on or off).
  2. Fan operates at certified airflow rate.
  3. When manual-on wall switch is turned off, fan enters timed-off mode. (See below.)

Time Delay:

Fan operates at certified airflow rate until user-adjustable TIME delay has passed, then fan reverts to user-adjustable airflow rate.

To Set the User-Adjustable Airflow Rate\*

Using a small, flat-blade screwdriver, carefully rotate the CFM adjustment until the arrow points to the desired airflow rate.

To Set the User-Adjustable Time Delay\*

Using a small, flat-blade screwdriver, carefully rotate TIME adjustment until the arrow points to the desired minutes of time delay.

To Set the User-Adjustable Motion Light Timed-Off\*\*

  1. This adjustment should only be made if, during installation, light was wired to motion sensor along with the fan.
  2. Using a small, flat-blade screwdrive, carefully rotate the TIME** adjustment until the arrow points to the desired minutes light should remain on after no more motion is detected.
  3. Adjust fan Time Delay* for desire time (minutes) fan operates at certified airflow rate after Timed-off** turns off the light. The total certified airflow rate fan on-time is the combination of the Time Delay* and Timed-Off** time settings.

* The user-adjustable controls are located in one corner of the Fan Housing, behind the Grille.

** Motion Light Timed-Off adjustment is located in a different corner of Fan Housing, behind the Grille, than the Airflow Rate* and Time Delay* adjustments.

50 60 40 70 30 80 CFM TIME 15 5 30 45 60

ZB80ML1 User-adjustable controls

70 50 90 30 110 CFM 15 5 30 45 60 TIME

ZB110ML1 User-adjustable controls

LEAVE TIME SET AT 5 UNLESS LIGHT IS MOTION CONTROLLED. FAN TIME IS MOTION TIME SETTING PLUS CFM TIME SETTING. SEE INSTRUCTION MANUAL FOR DETAILS.

Light Timed-Off control

To Turn Fan OFF

Turn the master switch OFF.

Cleaning and Maintenance

CAUTION

IN ORDER TO PREVENT MOTOR/CONTROL DAMAGE:

DO NOT remove motor plug to stop spinning motor.

Power must be disconnected (see WARNING on previous page) before motor plug is removed or inserted into control assembly.

To Clean

For quiet and efficient operation, long life and attractive appearance, remove Grille and vacuum interior of unit with a dusting brush attachment.

Do not use cleaning sprays, solvents or water on, or near, the sensor.

Motor is permanently lubricated and never needs oiling. If motor is making excessive or unusual noises, replace Control Assembly and Motor.

Troubleshooting

Before continuing, turn off power as previously noted in WARNING on previous page and CAUTION section on this page.

Symptom: Fan does not run.

  • Check for an open fuse or circuit breaker in building's service panel.
  • Check two (2) plug-in connections for Motor and its Control are seated firmly in place.
  • Check two (2) plug-in connections for Sensor and its Control are seated firmly in place.
  • Check that Blower Wheel spins freely.

Symptom: Motion mode does not operate fan at certified air flow rate.

- Check two (2) plug-in connections for Sensor and its Control are seated firmly in place.

Symptom: Fan runs erratically.

- Check that Blower Wheel is firmly attached to Motor shaft and both spin freely.

Symptom: Fan seems noisy.

  • Check that back draft damper in fan's Duct Connector pivots freely. Screws used to attach duct to Duct Connector may prevent damper from opening.
  • Check that back draft damper in wall or roof cap pivots freely. Dampers are sometimes mistakenly painted shut or obstructed by bird or insect debris.

Symptom: Fan does not properly ventilate room.

  • For spot ventilation, turn both master switch and sensor/control wall switch ON, so sensor/control operates fan at certified airflow rate.
  • For spot ventilation followed by continuous ventilation, increase the "TIME" setting of user-adjustable time delay.
  • For continuous ventilation, increase "CFM" setting of user-adjustable airflow rate.

Service Parts
Exploded view diagram of a mechanical assembly with numbered components for identification

Order replacement parts by Part No., not by Key No.

Technical diagram of a device with numbered components and exploded view, likely for assembly or manufacturing documentation.

Key No. Part No. Description

1 97018349 Mounting Frame
2 97018721 Knockout Plate & Screws 3 97018382 Housing
4 97020895 Wiring Panel/Harness Assembly
5 97019369 Motion Control Assembly
6 1102582 Control Assembly & Motor (ZB80ML1)
1102583 Control Assembly & Motor (ZB110ML1)
7 97018331 Duct Connector - 6"
8 99111513 6" to 4" Reducer (ZB80ML1 only)
9 99020301 Blower Wheel
10 97019371 Scroll Assembly (ZB80ML1)
97018768 Scroll Assembly (ZB110ML1)
11 97020829 Grille Assembly (includes 12, 13)
12 99140208 Grille Spring (2 req'd)
13 99111711 Lens (2 req'd)
14 99271625 LED Driver

Warranty

Broan Ventilation Fan/Lights Limited Warranty

WARRANTY PERIOD: Broan warrants to the original consumer purchaser of its Broan Ventilation Fan/Light (the "Fan") that your Fan (excluding lamps/bulbs) will be materially free from defects in materials or workmanship for a period of three (3) years from the date of original purchase. The warranty on the lamps/bulbs provided with the Fan is one (1) year and does not cover lamp/bulb breakage. This warranty does not cover accessories, such as speed controls, that may be purchased separately and installed with the Fan. The limited warranty period for replacement parts, and for Fans repaired or replaced under this limited warranty, shall continue for the remainder of the original warranty period.

NO OTHER WARRANTIES: THE FOREGOING WARRANTIES ARE EXCLUSIVE AND IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED. BROAN DISCLAIMS AND EXCLUDES ALL OTHER EXPRESS WARRANTIES, AND DISCLAIMS AND EXCLUDES ALL WARRANTIES IMPLIED BY LAW, INCLUDING WITHOUT LIMITATION THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. TO THE EXTENT THAT APPLICABLE LAW PROHIBITS THE EXCLUSION OF IMPLIED WARRANTIES, THE DURATION OF ANY APPLICABLE IMPLIED WARRANTY IS LIMITED TO THE PERIOD SPECIFIED FOR THE EXPRESS WARRANTY. Some states do not allow limitations on how long as implied warranty lasts, so the above limitation may not apply to you. Any oral or written description of the Fan is for the sole purpose of identifying it and shall not be construed as an express warranty.

REMEDY: During the applicable limited warranty period, Broan will, at its option, provide replacement parts for, or repair or replace, without charge, any Fan or part thereof, to the extent Broan finds it to be covered by and in breach of this limited warranty. Broan will ship the repaired or replaced Fan or replacement parts to you at no charge. You are responsible for all costs for removal, reinstallation and shipping, insurance or other freight charges incurred in the shipment of the Fan or part to Broan. This warranty does not cover (a) normal maintenance and service, (b) normal wear and tear, (c) any Fans or parts which have been subject to misuse, abuse, abnormal usage, negligence, accident, improper or insufficient maintenance, storage or repair (other than repair by Broan), (d) damage caused by faulty installation, or installation or use contrary to recommendations or instructions, (e) any Fan that has been moved from its original point of installation, (f) damage caused by environmental or natural elements, (g) damage in transit, (h) natural wear of finish, (i) Fans in commercial or nonresidential use, or (j) damage caused by fire, flood or other act of God. This warranty covers only Fans sold in the United States or through U.S. distributors authorized by Broan.

EXCLUSION OF DAMAGES: BROAN'S OBLIGATION TO PROVIDE REPLACEMENT PARTS, OR REPAIR OR REPLACE, AT BROAN'S OPTION, SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY UNDER THIS LIMITED WARRANTY AND BROAN'S SOLE AND EXCLUSIVE OBLIGATION. BROAN SHALL NOT BE LIABLE FOR INCIDENTAL,

INDIRECT, CONSEQUENTIAL OR SPECIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH THE FAN, ITS USE OR PERFORMANCE. Incidental damages include but are not limited to such damages as loss of time and loss of use. Consequential damages include but are not limited to the cost of repairing or replacing other property which was damaged if the Fan does not work properly.

Some states do not allow the exclusion or limitation of incidental or consequential damages, 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 and is not transferable from the original consumer purchaser.

BROAN SHALL NOT BE LIABLE TO YOU, OR TO ANYONE CLAIMING UNDER YOU. FOR ANY OTHER OBLIGATIONS OR LIABILITIES, INCLUDING, BUT NOT LIMITED TO, OBLIGATIONS OR LIABILITIES ARISING OUT OF BREACH OF CONTRACT OR WARRANTY.

NEGLIGENCE OR OTHER TORT OR ANY THEORY OF STRICT LIABILITY, WITH RESPECT TO THE FAN OR BROAN'S ACTS OR OMISSIONS OR OTHERWISE.

This warranty covers only replacement or repair of defective Fans or parts thereof at Broan's main facility and does not include the cost of field service travel and living expenses.

Any assistance Broan provides to or procures for you outside the terms, limitations or exclusions of this limited warranty will not constitute a waiver of such terms, limitations or exclusions, nor will such assistance extend or revive the warranty.

Broan will not reimburse you for any expenses incurred by you in repairing or replacing any defective Fan, except for those incurred with Broan's prior written permission.

HOW TO OBTAIN WARRANTY SERVICE: To qualify for warranty service, you must (a) notify Broan at the address or telephone number stated below within seven (7) days of discovering the covered defect, (b) give the model number and part identification and (c) describe the nature of any defect in the Fan or part. At the time of requesting warranty service, you must present evidence of the original purchase date.

Broan, 926 West State Street, Hartford, WI 53027

(1-800-637-1453)

www.broan.com

If you must send the Fan or part to Broan, as instructed by Broan, you must properly pack the Fan or part—Broan is not responsible for damage in transit.

LEA Y CONSERVE ESTAS INSTRUCCIONES

natural_image Technical line drawing of a mechanical assembly with internal components and mounting brackets (no text or symbols)
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natural_image Illustration of a hand pressing down on a striped electronic device with a numbered label (4), no text or symbols present.
natural_image Abstract geometric diagram with interlocking 3D shapes and arrows, no text or symbols present

2 Apague la unidad

ADVERTENCIA

natural_image Technical illustration of a mechanical assembly inside a transparent box (no text or symbols)
natural_image Technical line drawing of a mechanical assembly with a numbered component (6), no visible text or symbols

LUZ CON INTERRUPTOR DE ENCENDIDO / APAGADO
BROAN ZB80ML1 - ADVERTENCIA - 1

flowchart
graph TD
    A["INTERRUPTOR DE LUZ"] -->|14/2| B["UNIDADCAJA DE INTERRUPTO"]
    C["LINEA DE ENTRADA"] -->|NEG| D["BLC"]
    D --> E["TRA"]
    E --> F["14/3"]
    F --> G["TRA"]
    G --> H["BLC"]
    H --> I["RET"]
    I --> J["ROJ"]
    J --> K["NAR"]
    K --> L["SENSOR CONTROL"]
    L --> M["MRN"]
    M --> N["NEG"]
    N --> O["ROT"]
    O --> P["RET"]
    P --> Q["VENT."]
    Q --> R["BLC"]
    R --> S["LUZ"]
    S --> T["BLC"]
    U["VENT. ENCENDIDO MANUAL"] --> V["14/2"]
    W["VENT. PRINCIPAL Y SENSOR/CONTROL"] --> X["14/2"]
    Y["VENT. PRINCIPAL Y SENSOR/CONTROL"] --> Z["14/2"]
    AA["VENT. PRINCIPAL Y SENSOR/CONTROL"] --> AB["14/2"]
    AC["VENT. PRINCIPAL Y SENSOR/CONTROL"] --> AD["14/2"]
natural_image Technical line drawing of a mechanical device with internal components and a black arrow indicating direction (no text or symbols)

Technical diagram of an air conditioner unit with labeled components and wiring connections

natural_image Illustration of a hand pressing down on a striped electronic device with a circular component, no text or symbols present.
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Product information

Brand : BROAN

Model : ZB80ML1

Category : Home Fan