Delta VFB050B3A1, VFB070B3A1, VFB070B3H1 Instructions Manual
VENTILATION FAN
MODEL 50F / 70F / 70HS
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
READ AND SAVE THESE INSTRUCTIONS
Address: 46101 Fremont Boulevard, Fremont, CA 94538
US Toll Free Number: 1-888-979-9889
Humidity Sensing Fan Operation
Single Speed Fan Operation
Care and Maintenance 9
Troubleshooting 10
Dimensions 11
11
Warranty 12
MFG Model
VFB050B3A1 / VFB070B3A1/ VFB070B3H1
8
8
PACKAGE CONTENTS
2
GENERAL SAFETY INFORMATION
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Body
Minimum 18 in.
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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.
10. This product is designed for ceiling installation only. Do
not mount this product in a wall.
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 R50. (This is required for installation
in Canada only).
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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
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.
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
Cooking area
Do not install above or
inside this area
4
5
5°
4
Cooking
Equipment
°
floor
Fig. B
3
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 acc ess 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.
Howev er, most are available at your local home
improvement or hardware store.
Roof cap
(with built-in
Short piece of flexible
duct helps alignment
and absorbs
sound
Fan housing
Seal gap
around
housing
Caulk termination
to duct
damper)
or
Wall cap
Wall cap
(with built-in
(with built-in
damper)
damper)
Proper insulation around the fan to minimize building
heat loss and gain. 3” circular duct is recommended
for installation. The ducting from this fan to the
outside of 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 air flow.
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.
DIMENSION REQUIREMENTS
Housing
Dimension (L)
7 1/2 in. 7 1/4 in. 4 in.
Housing
Dimension (W)
WIRING DIAGRAM
JUNCTION BOX
BLACK
WHITE
GREEN
Housing
Dimension (H)
SWITCH BOX
OFF
ON
POWER SWITCH
GRD
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.
External timer can be used please contact Delta Breez
customer service and consult with a licensed electrician for compatibility.
BLACK WHITE GROUND
ON/OFF SWITCH
(purchase separately)
L
N
POWER
SWITCH
SWITCH BOX
120 VAC
LINE IN
(bare)
WIRING
PLATE
4
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