Roomside AERN110SD - Intercom NuTone - Free user manual and instructions

USER MANUAL Roomside AERN110SD NuTone

English - See page 2

Technical line drawing of a ventilation duct system with fan and vent (no text or symbols)

© 2020 Broan

99046026D

Installer: Leave this manual with the homeowner.

READ AND SAVE THESE INSTRUCTIONS

WARNING

To reduce the risk of fire, electric shock, or injury to persons, observe the following:

• 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.
• 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.
• 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.
• 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.
• When cutting or drilling into wall or ceiling, do not damage electrical wiring and other hidden utilities.
• Ducted fans must always be vented to the outdoors.
• If this unit is to be installed over a tub or shower, it must be marked as appropriate for the application and be connected to a GFCI (Ground Fault Circuit Interrupter) - protected branch circuit.
  • This unit must be grounded.
• Some metal edges and/or corners may be sharp. Use of gloves during installation and removal is recommended.

CAUTION

• For general ventilating use only. Do not use to exhaust hazardous or explosive materials and vapors.
• For installation in flat ceilings only. DO NOT MOUNT THIS PRODUCT IN A WALL.
• To avoid motor bearing damage and noisy and/or unbalanced impellers, keep drywall spray, construction dust, etc. off power unit.
• DO NOT TOUCH THE HUMIDITY-SENSING CIRCUIT BOARD. Electrostatic discharge may damage the circuit board.
• 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).

SENSOR CLEANING

The humidity sensor is mounted in the control housing. The sensor will operate most reliably when cleaned occasionally as follows:

1. Disconnect power at service entrance.
2. Remove the grille. Use a dry dustcloth, clean toothbrush, or lightly vacuum to clean sensor and grille. DO NOT USE ABRASIVE CLOTH, STEEL WOOL PADS, OR SCOURING POWDERS.
3. DO NOT USE cleaning sprays, solvents, or water on or near the sensor!

OPERATION

The humidity control and fan can be operated separately. Use a 1- or 2-function wall control. Do not use a dimmer switch to operate the humidity control.

SENSOR OPERATION

This humidity-sensing fan uses a sophisticated humidity sensor that responds to: (a) rapid to moderate increases in humidity or (b) humidity above a set-point. The humidity sensor may occasionally turn the fan ON when environmental conditions change.

MANUAL ON WITH TIMED OFF

This humidity sensing fan has an additional operation feature. For odor or vapor control, the fan can be energized by cycling the power switch. Once the fan has been energized in this manner, it will remain on for the set timer period.

To manually energize the fan:

1. If fan power switch is already ON, proceed to Step 2; otherwise, turn power switch ON for more than 1 second.
2. Turn fan power switch OFF for less than 1 second.
3. Turn fan power switch back ON and fan will turn ON.

%HUMIDITYMINUTES

60 70 50 80 2030 15 40 10 50 60

Factory settings shown.

% HUMIDITY ADJUSTMENT

%HUMIDITY has been factory set at 80% for most shower applications. If fan is not responding to changing humidity conditions, adjust toward 50%. If fan is responding too often to changing humidity conditions, adjust toward 80%. If fan is still responding too often at 80%, contact Broan Technical Support.

To adjust the %HUMIDITY:

1. Turn power off at electrical service panel.
2. Use a small screwdriver to carefully rotate %HUMIDITY control to desired level.
3. Turn power on.
4. Repeat above steps if necessary.

MINUTES ADJUSTMENT (TIMER)

This humidity-sensing fan has a timer that controls how long the fan remains on after (a) rise in humidity and (b) humidity level are both below the user-adjustable %HUMIDITY setting, or after being energized by cycling power switch.

To adjust the timer:

1. Disconnect power at electrical service panel.
2. Use a small screwdriver to carefully rotate MINUTES control to increase or decrease time.
3. Turn power on.
4. Repeat above steps if necessary.

NuTone®

ALL INSTALLATIONS

Start here.

WARNING

- Disconnect the electrical power supply and lock out the service panel.

COOKING AREA Do not install above or inside this area. 45° 45° 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.

INSULATION (Place around and over fan housing.) FAN HOUSING POWER CABLE * Seal gaps around housing. 4-IN. ROUND DUCT * * Purchase separately. ROOF CAP • (with built-in damper) Keep duct runs short. OR 4-IN. ROUND ELBOWS * WALL CAP • (with built-in damper)

1. Remove blower and all packing material from fan housing.

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Diagram of a hand turning a mechanical component with arrows indicating motion (no text or symbols)

1. Remove wiring panel from fan housing (if already installed).

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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.

NEW CONSTRUCTION

For Retrofit Installation - Skip to Page 6.

3. Attach damper/duct connector to fan housing.

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

TABS

4. Mount housing to ceiling structure.

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

For proper location using 12 -inch ceiling material: Bend out housing tabs to fit against bottom of structure.

Secure housing through mounting ears with appropriate fasteners.

If mounting housing to I-joist, use wood blocking as shown.

HOUSING TABS

5. Connect 4-in. round duct.

Technical line drawing of a mechanical assembly or component with no visible text or symbols

6. Connect wiring.

Bend tab to expose desired access hole. Connect power cable to housing with appropriate UL approved connector. Connect wires per diagram on page 8. Re-install wiring panel and secure with screw from parts bag.

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NuTone®

7. Install blower.

Re-install blower. Secure blower with 2 screws from parts bag and plug blower into black receptacle. Plug in humidity-sensing control.

CAUTION

- Make sure that the wiring inside of the housing does not interfere with re-installation of the blower.

Technical line drawing showing hands using a tool to adjust or install a component on a device (no text or symbols present)

8. Install housing mask.

Place mask into housing

opening to

prevent drywall spray and

construction dust from damaging blower.

Remove mask from housing. Squeeze grille springs and insert into slots in housing.

Technical line drawing of a mechanical component with no visible text or symbols

Push grille up against ceiling.

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RETROFIT

3. Remove old fan.

Enlarge ceiling opening (if necessary) to 9¾-inches (parallel to joist) by 10½-inches (perpendicular to joist). Leave ductwork and wiring in place.

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Diagram showing a coiled spring or coil inside a rectangular frame, with a black arrow pointing to a section and a circled number 2 (no text or symbols)

Technical line drawing of a mechanical assembly inside a transparent box (no text or symbols)

4. Fold mounting ears flat against housing.

using.

5. Connect wiring.

Bend tab to expose desired access hole. Connect power cable to housing with appropriate UL approved connector. Connect wires per diagram on page 8. Re-install wiring panel and secure with screw from parts bag.

6. Mount housing to ceiling structure.

Mount housing to ceiling structure with standard drywall or wood screws in 3 locations shown. The humidity control panel assembly must be removed to access one of the locations.

Hand holding a handheld device with arrows indicating action or operation (no text or symbols present)

CAUTION

- DO NOT TOUCH THE HUMIDITY-SENSING CIRCUIT BOARD. Electrostatic discharge may damage the circuit board.

7. Connect 4-in. round duct.

① Pull existing ducting through housing discharge opening.
② Attach and tape ducting to duct connector.
③ Push connector/ducting back through opening.
④ Engage tabs and secure with screw from parts bag.

Diagram illustrating hand manipulation of a device with numbered steps and directional arrows

4 TABS

Install blower. Finish ceiling, then install grille.

See Steps 7, 8 & 9 on Page 6.

(Step 8 is only necessary in RETROFIT installations if ceiling requires repair.)

NuTone®

WIRING DIAGRAMS

WIRING OPTION #1

• When switch is ON, fan will operate automatically, based on room humidity conditions.
• Turn fan ON immediately for the set timer period (to control odors), by cycling switch.

graph TD
    A["ON / OFF SWITCH (PURCHASE SEPARATELY)"] --> B["ON / OFF SWITCH"]
    B --> C["BLK"]
    C --> D["WHT"]
    D --> E["GRD"]
    E --> F["SWITCH BOX"]
    F --> G["UNIT"]
    G --> H["BRN"]
    H --> I["HUMIDITY CONTROL"]
    I --> J["BLK"]
    J --> K["FAN"]
    K --> L["WHT"]
    L --> M["WHT"]
    M --> N["BRN"]
    N --> O["HUMIDITY CONTROL"]
    O --> P["WHT"]
    P --> Q["GRD"]
    Q --> R["SWITCH BOX"]
    R --> S["UNIT"]
    S --> T["BRN"]
    T --> U["HUMIDITY CONTROL"]
    U --> V["WHT"]
    V --> W["WHT"]

WIRING OPTION #2

• When first switch (1) is ON, fan will operate automatically based on room humidity conditions.
• Turn fan ON immediately (to control odors) by using second switch (2).

graph TD
    A["2-FUNCTION CONTROL (PURCHASE SEPARATELY)"] --> B["(1) HUMIDITY CONTROL (AUTO/OFF)"]
    A --> C["(2) FAN (ON/OFF)"]
    B --> D["COM"]
    C --> E["BRN"]
    D --> F["BLK"]
    E --> G["WHT"]
    F --> H["SWITCH BOX"]
    G --> I["UNIT"]
    H --> I
    J["120 VAC LINE IN"] --> K["BLK"]
    K --> L["WHT"]
    L --> M["GRD"]
    M --> N["BRN"]
    N --> O["WHT"]
    O --> P["UNIT"]
    Q["RED"] --> R["GREY"]
    S["BRN"] --> T["HUMIDITY CONTROL"]
    U["BRN"] --> V["WHT"]
    W["BRN"] --> X["WHT"]
    Y["BRN"] --> Z["WHT"]
    AA["BRN"] --> AB["WHT"]
    AC["BRN"] --> AD["WHT"]

NuTone®

Technical illustration showing two mechanical assembly steps: top shows hand turning a component, bottom shows hand pressing a circular component with arrows indicating motion (no text or symbols)

Illustration of hands installing or adjusting a mechanical component with a tool (no text or symbols visible)

Technical line drawing of a mechanical assembly or mounting bracket (no text or symbols)

Line drawing of a hand gripping a small object with an arrow indicating rotation (no text or symbols)

Line drawing of hands assembling a small electronic device (no text or symbols present)

NuTone

Technical line drawing showing hands using a screwdriver to adjust the interior of a device (no text or symbols present)

Technical line drawing of a mechanical component with internal parts and a hand holding a tool (no text or symbols)

Hand holding a transparent container with a grid pattern, no text or symbols visible

CONVERSIÓN

Technical line drawing of a mechanical assembly with no visible text or symbols

Diagram showing a coiled spring inside a rectangular frame with a downward arrow and number 2, no text or symbols present.

Technical line drawing of a mechanical assembly inside a transparent box (no text or symbols)

Hand inserting a component into a 3D box, showing internal structure and arrows indicating rotation (no text or symbols)

Line drawing of a hand holding a handheld device with arrows indicating action or operation (no text or symbols present)

PRECAUCIÓN

Diagram illustrating a device being processed with labeled parts, showing hand positioning and motion arrows.

LENGÜETAS 4