Delta VFB080D4H1 User Manual

ITEM #809721

HUMIDITY SENSING

BATH FAN

MODEL VFB080D4H1

TABLE OF CONTENTS

Package Contents 2

General Safety Information 3

Preparation and Wiring Diagrams 4

Assembly Instructions - New Construction 5

Assembly Instructions - Existing Construction 6

Grille Installation 8

Humidity Sensing Fan Operation 8

Care and Maintenance 9

Troubleshooting 10

Dimensions 11

11

Warranty 12

READ AND SAVE THESE INSTRUCTIONS

Address: 4405 Cushing Parkway, Fremont, CA 94538

US Toll Free Number: 1-888-979-9889

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PACKAGE CONTENTS

PART DESCRIPTION QTY

1

2

Fan Body 1

Grille 1

1

3

4

5

6

HARDWARE CONTENTS

(Images are to scale)

Suspension Bracket I 1

Suspension Bracket II 1

Suspension Bracket III 1

Duct Connector 1

2

A

Long Wood Screw ( 4 x 25)

3

B

X 4

X 3

Short Machine Screw (M4 x 12)

4

5

6

Model: VFB080D4H1

2

GENERAL SAFETY INFORMATION

Turning angle too large Duct shrink

ydob eht raen woblEswoble ynam ooT

Body

Minimum 18 in.

READ AND SAVE THESE INSTRUCTIONS
GENERAL SAFETY INFORMATION

1. Make sure that the electric service supply voltage is AC
120V, 60Hz.

2. Follow all local electrical and safety codes, as well as
the National Electrical Code (NEC) and the Occupational
Safety and Health Act (OSH Act).

3. Always disconnect the power source before working on or
near the ventilating fan, motor or junction box.

4. Protect the power cord from sharp edges, oil, grease, hot
surfaces, chemicals or other objects.

5. Do not kink the power cord.

6.
shown in Fig.A.

7. Provide suction parts with proper ventilation.

8. This unit is UL Listed for use over a bathtub or shower
when installed in a GFCI protected branch circuit.

9. These ventilating fans are intended for residential usage
only.

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.

2. Before servicing or cleaning the unit, switch the power off
at the service panel and lock the service disconnecting
means to prevent the 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

6. Ducted ventilating fans must always be vented to the
outdoors.

7. 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 lnterrupter) –
protected branch circuit.

8. Do not use this unit with any other solid-state control
device. Solid-state controls may cause harmonic
distortion, which can cause a motor humming noise.

9. NEVER place a switch where it can be reached from a
tub or shower.

10. Not to be installed in a ceiling thermally insulated to a
value greater than R40. (This is required for installation
in Canada only).

Turning angle too large Duct shrink

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Body

Minimum 18 in.

Fig. A

CAUTION

1. For general ventilating use only. Do not use to exhaust

hazardous or explosive materials and vapors.

2. Not for use in cooking areas. (Fig.B)

3. This product must properly connect to the grounding

conductor of the supply circuit.

4. To reduce the risk of injury to persons, install the fan at

4.

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 local code authorities.

5. When cutting or drilling into the wall or ceiling, do not
damage electrical wiring and other hidden utilities.

Cooking area

Do not install above or

inside this area

4

5

5°

4

Cooking

Equipment

°

floor

Fig. B

3

Model: VFB080D4H1

PREPARATION

Tools Required for Assembly (not included): Hammer,
Flathead Screwdriver, Wire Nuts, Nails, Duct Tape,
Phillips Head Screwdriver, Utility Knife

Helpful Tools (not included): Electric Drill, Drill Bits

WARNING: Turn off electricity at breaker box
before beginning installation.

Carefully remove unit from carton.

Check area above installation location to be sure that
wiring can run to the planned location and that duct

proper ventilation.

Inspect duct work and wiring before proceeding with
installation.

Before installation, provide inspection and future
maintenance access at a location that will not
interfere with installation work.

You may need the help of a second person to install
this fan: one person on the attic side and one on the
room side.

Note: Installations may vary depending on how the
previous bath fan was installed. Supplies necessary
for the installation of your bath fan are not all included.
However, most are available at y our loc al home
improvement or hardware store.

DIMENSION REQUIREMENTS

Roof cap
(with built-in

or

damper)

Wall cap
(with built-in
damper)

Short piece of flexible
duct helps alignment
and absorbs
sound

Fan housing

Seal gap
around
housing

Caulk termination
to duct

Proper insulation around the fan to minimize building
heat loss and gain.
Locate unit above (GFCI-protected circuit required)
or within 5 feet of the shower head.
Locate unit away from heating or cooling sources
which can affect humidity levels.
Do not locate near window. Unit may respond to the
outdoor humidity level.
Unit must be installed in ceiling to properly sense
moisture.

proper sensing.
The fan will operate most efficiently when located
where the shortest possible duct run and minimum
number of elbows will be needed.
Use a roof cap or wall cap that has a built-in damper
to reduce backdrafts.

Ceiling

Opening (L)

Ceiling

Opening (W)

10.25 in. 10.25 in. 8.5 in.

WIRING DIAGRAM

JUNCTION BOX

BLACK

WHITE

GREEN

Model: VFB080D4H1

SWITCH BOX

OFF

ON

POWER SWITCH

Ceiling

Opening (H)

L

N

GRD

Housing

Dimension (L)

9.68 in. 9.68 in. 7.98 in.

ON/OFF SWITCH

(purchase separately)

POWER
SWITCH

4

SWITCH BOX

120 VAC

LINE IN

Housing

Dimension (W)

BLACK
WHITE

GROUND

(bare)

WIRING

PLATE

Housing

Dimension (H)