Delta Electronics VFB25ADL, VFB25ACL Installation And Operating Instructions Manual
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INSTALLATION AND OPERATING INSTRUCTIONS
VFB25 LIGHT SERIES
FAN / LIGHT / NIGHT LIGHT
READ AND SAVE THESE INSTRUCTIONS
General Safety Information
1. Do not install this ventilating fan where air temperature
may exceed 40°C (104°F).
2. Make sure that the electric service supply voltage is AC
120V, 60Hz.
3. Follow all local electrical and safety codes, as well as the
Nation Electrical Code (NEC) and the Occupation Safety
and Healthy Act (OSHA).
4. Always disconnect the power source before working on or
near the ventilating fan, motor or junction box.
5. Protect the power cord from sharp edges, oil, grease, hot
surfaces, chemicals or other objects.
6. Do not kink the power cord.
7. Do not install the unit where ducts are configured as shown
in Fig. A.
8. Provide suction parts with proper ventilation.
9. This unit is UL listed for use over a bathtub or shower
when installed in a GFCI protected branch circuit.
10. 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 any questions, contact the
manufacturer.
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
qualified person(s) in accordance with all applicable codes
and standards, including fire-rated construction.
4. Sufficient air is needed for proper combustion and
exhausting of gases through the flue (chimney) of fuel
burning equipment to prevent back drafting. 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 wall or ceiling, do not damage
electrical wiring and other hidden utilities.
6. Ducted ventilating fan 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 Interrupter) – protected
branch circuit.
8. These models are UL listed for tub and shower enclosures.
9. Do not use this unit with any other solid-state control
device. Solid-state controls may cause harmonic distortion,
which can cause motor humming noise.
10. 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.
11. NEVER place a switch where it can be reached from a tub
or shower.
12. Not to be installed in a ceiling thermally insulated to a
value greater than R40. (This is required for installation in
Canada only)
CAUTION
1. To reduce the risk of electric shock, please disconnect the
electrical supply circuit to the fan before installing
2. For general ventilating use only. Do not use to exhaust
hazardous or explosive materials and vapors.
3. Not for use in cooking area. (Fig. B)
This product must be properly grounded
4.
MODEL VFB25ADL / VFB25ACL
Turning angle too large Duct shrink
Too many elbows Elbow near the body
Body
Fig. A
light kit.
Cooking area
Fig. B
1.
Page
base bulb
12.0
SUPPLIED ACCESSORIES
Part name
Appearance Quantity
installation work.
MODEL VFB25ADL / VFB25ACL
2.
Grille
Long Screw
(M4×25)
Screw
(M4×6)
Screw
(M4×12)
Screw
(M4×30 Black)
Nut
(M4×4.4)
Suspension
bracketⅠ
(6.10 inch)
Suspension
bracketⅡ
(11.81 inch)
Suspension
bracketⅢ
(13.98 inch)
Grille
bracket
(9.68 inch)
GU24
lamp (26W)
E12 base bulb
lamp (4W)
INSTALLATIONS
A. Install with wood frame
1
6
Main Body
1
Long Screw(M4××××25)
3
B. Install with joist
2
1. Choose the installation type according to the fig as below:
1
1
1
1
1
Spacing A on center joists Insert Suspension bracket Suspension bracket No.
12.0 inch Refer to Fig A-01, A-02
16.0 inch Refer to Fig B-01, B-02
19.2 inch Refer to Fig B-01, B-02
24.0 inch Refer to Fig B-01, B-02
I,II
I,II,III
I,II,III
I,II,III
1-1 TypeⅠ－12 inches between joists
1
1
Joist Joist
A-01
Model No. VFB25ADL VFB25ACL
Install Dim. (in.)
10.2 ╳ 10.2 10.2 ╳ 10.2
1. Body installation
1-1. Construct the wood frame(not provided) with 30mm square
bar and attach it to the ceiling joist.
1-2. Attach the duct connector to the wood frame with taping
screw.
Duct connector
Wood frame
Taping screw
1-3. Insert the body into the wood frame and connect it to the
duct connector. Secure the body on wood frame with taping
screws.
1-4. Follow step 2 to 5 of installation to complete the
Wood frame
Screw M4××××12
Bracket I
Joist
Tab
Bracket II
Joist
Long Screw(M4××××25)
1-1.1 Insert the suspension bracketⅠ into the bracket cover of
adaptor side and select one of suspension bracketⅡ of the
back of the fan body.
1-1.2 Insert the fan between joists. Make sure the fan body is
level and perpendicular with the joist.
1-1.3. Ensure the distance between ceiling and fan body for the
thickness of grille.
1-1.4 Secure the suspension bracket to joists by using screw(M4
×12-2pcs each).
1-1.5. Secure the suspension bracket to fan body by using screw.
A-02
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