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.
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.
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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Body
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
ASSEMBLY INSTRUCTIONS
NEW CONSTRUCTION
BEFORE INSTALLATION
Turn off power source. Review all safety precautions.
1. Attach the Duct Connector to the Fan Body .
2.
Remove the wiring box cover from the Fan Body
❶
. Remove the wiring knockout from the wiring box
cover with a flathead screwdriver (not included).
3.
Place the Fan Body next to a ceiling joist or wall
stud. The Fan Body should be level and
❶
❶
perpendicular to the joust or stud.
❶
1
❶
2
❶
3
❶
Joist or
wall stud
4.
Mount the Fan Body to the joist or stud using
❶
nails (not included) were indicated.
4
Joist or
wall stud
❶
Nail
Nail
5
ASSEMBLY INSTRUCTIONS
5.
Pull the wire through the hole and into the junction
box(not included), secure 120VAC house wiring
from the wall diagram on page4. 14AWG is the
smallest conductor that shall be used for
branch-circuit wiring.
Push the wires back through the hole. Reattach
the wiring box cover.
5
❶
6. Install a circular 3 in. duct (not included) and
secure it with duct tape or clamps
(neither included).
Finish ceiling work. The ceiling hole should be
aligned with the edge of the fan housing.
EXISTING CONSTRUCTION
BEFORE INSTALLATION
Turn off power source. Review all safety precautions.
1. Remove existing fan.
6
6
3 in. Duct
Duct tape
or clamp
1
Ceiling
2.
Measure the opening to ensure it is large enough
to accommodate the new Fan Body(7 1/2in. x 7
1/4in.).
Note: 7 1/4 inch side of opening should be flush
with the joist.
2
6
ASSEMBLY INSTRUCTIONS
3.
If this fan is not replacing an old fan, be sure to cut
a 7 1/2in. x 7 1/4in. opening for the Fan Body .
Make sure the 7 1/4 inch side of opening is flush
with the joist for installation from below.
4.
Attach the Duct Connector to the Fan body.
Remove the wiring box cover from the Fan Body
. Remove the wiring knockout from the wiring box
cover with a flathead screwdriver (not included).
Remove the three screws that hold the fan motor
assembly in place. Remove the fan motor assembly from the Fan Body . Unplug fan connector.
5.
Pull the wire through the hole and into the junction
❶
box(not included), secure 120VAC house wiring
from the wall diagram on page4. 14AWG is the
smallest conductor that shall be used for
branch-circuit wiring.
❶
❶
3
4
❶
5
❶
7
1/4
9.4"
7
in.
1/2
in.
9.4"
Push the wires back through the hole. Reattach
the wiring box cover.
6.
Install a circular 3 in. duct (not included) and
secure it with duct tape or clamps (neither included).
Mount the Fan Body to the joist or stud using
nails (not included) were indicated.
❶
7.
Plug the fan connector and fan assembly back into
the Fan Body . Reattach the fan assembly
❶
using the three screws removed in step 4.
6
3 inch duct
Joist or wall stud
❶
Tape
Nail
7
7
GRILLE INSTALLATION
1.
Pinch the mounting springs on the Grille , and
insert them into the narrow rectangular slots inside
the fan. Push the Grille up toward the ceiling.
Turn on electricity at the breaker box after finishing
installation.
HUMIDITY SENSING FAN OPERATION
Model: 70HS
1. Humidity Sensing Mode: Flip wall switch to “ON”
position. The LED indicator light in the fan will be
BLUE. The fan will automatically start when the
humidity level in the room is above 60%.
If humidity level is below 60%, the fan will stop
automatically.
1
1
2. Full Speed Mode: Cycle wall on/off switch. LED
indicator light in fan will be AMBER.
3. Fan Off: Move wall on/off switch to “OFF” position.
SINGLE SPEED FAN OPERTION
Model: 50F, 70F
Fan On: Flip wall switch to “ON” position.
1.
2. Fan Off: Move wall on/off switch to “OFF” position.
Blue LED Light
2
Amber LED Light
3
8
CARE AND MAINTENANCE
See safety information before proceeding. Routine maintenance should be done at least once a year.
• Never use solvents, thinner or harsh chemicals when cleaning the fan.
• Do not allow water to enter the motor.
• Do not immerse metal parts in water.
• Do not immerse resin parts in water over 140º Fahrenheit.
Turn off power source. Review all safety precautions.
1. To remove grille ❷, squeeze springs and pull down.
1
2
2. Wash and clean the grille ❷ in a sink and dry with a
cloth.
3. Remove dust and dirt from the fan body ❶ with a vacuum
cleaner.
4. Dampen cloth with dust detergent and wipe the fan body
. Then wipe dry with a clean cloth.
❶
2
2
3
1
Vacuum
cleaner
4
5. Replace grille ❷ back onto fan body
6. Turn on power source to operate fan again.
1
5
❶ .
1
2
9
TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
The fan is not turning on 1. Power off
2. Faulty switch
3. Faulty wire connection
The fan seems louder
than it should
The fan is not clearing
the room
1. CFM too great
2. Damper not working
properly or damaged
3. Bend in duct too close
to fan discharge
4. Fan discharge
duct
5. Fan body not securely
attached
1.
airfow within room
1. Make sure power supply is on.
2. Test or replace switch.
3. Check wire in switch box.
1. Be sure the CFM rating on the fan matches the
size of your room.
2. Check damper to ensure it is opening and closing
properly. If the damper has become damaged,
please call Customer Service.
3. Be sure you do not have any sharp bends in duct
closer than 18 in. to the fan discharge.
4. Use recommended size ducting to reduce fan
noise.
5. Be sure the fan is securely attached to your ceiling
joists.
1. Be sure a door or window is slightly ajar or opened
2.
The fan keeps running
even though the house
humidity level is lower
than 60% RH
1. Our sensor tolerance
is +/-10% RH
2. Outdoor humidity is
back drafting to the
fan
2. Be sure the CFM rating on the fan matches the
requirements for your room size.
1. Continue to let the fan run since it is good to keep
venting the house and the electric bill is minimal
(approximately less than $10 per year).
2. Turn the fan off when not in use.
10
DIMENSIONS
9 3/8
3
10 3/4
UNIT: INCH
PRODUCT SPECIFICATIONS
Model No.
70HS /
VFB070B3H1
70F /
VFB070B3A1
50F /
VFB050B3A1
Voltage
(V)
120 60 70 13.2 0.29 3.65 Humidity Sensing
120 60 70 13.2 0.29 3.65 Single Speed
120 60 50 6.4 0.18 3.65
Note: Design and specifica ons subject to chang
Frequency
(Hz)
Air Flow @0.1"SP
(CFM)
Power @ 0.1"SP
(W)
13/16
Max Current
(Amps)
4
Weight
(lb.)
Note
Single Speed
11
WARRANTY
DELTA ELECTRONICS THREE YEAR LIMITED WARRANTY
Delta Electronics Inc. (“Delta Electronics”) warrants to the original consumer purchaser in the USA and Canada that
the Breez ventilation fan products will be free from defects in material or workmanship. This warranty is limited to
three (3) years from the original date of purchase.
Limitations and Exclusions
1. During the warranty period, a replacement for any defective product will be supplied free of charge for installation
by the consumer. The warranty provided herein does not cover charges for labor or other costs incurred in the
troubleshooting, repair, removal, and installation service.
2. All returns of defective parts or products must include the product model number, and must be made through an
authorized Delta Electronics distributor. Authorized returns must be shipped prepaid. Repaired or replacement
products will be shipped by Delta Electronics F.O.B. shipping point.
3. Delta Electronics shall not be liable for any indirect, incidental, consequential, punitive, or special damages
arising out of or in connection with products use or performance, regardless of the form of action whether in
contract, tort (including negligence), strict product liability or otherwise.
4.
5. The warranty does not cover if user does not comply with manufacturer’s installation manual.
6. To qualify for warranty service, you must notify Delta Electronics at the address or telephone number below.
7. Delta Electronics shall have no liability to the original owner-user with respect to any defect caused by abuse,
misuse, neglect, improper transportation or storage, improper testing, improper installation, improper operation,
accident of products or parts thereof, or unusual deterioration or degradation of products or parts thereof due to
Address: 46101 Fremont Boulevard, Fremont, CA 94538
US Toll Free Number: 1-888-979-9889
www.deltabreez.com
12
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