Delta GBR80HL, GBR80MHL Installation And Operating Instructions Manual
INSTALLATION AND OPERATING INSTRUCTIONS
VENTILATION FAN / LIGHT
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 Nation
Electrical Code (NEC) and the Occupation Safety and Healthy 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. Do not install the unit where ducts are congured as 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.
8. Do not use this unit with any other solid-state control devices.
Solid-state control devices 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).
MODELS GBR80HL / GBR80MHL
Page 1.
Turning angle too large Duct shrink
Too many elbows Elbow near the body
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 unit, switch power o 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
ominent warning device, such as a tag, to the service panel.
pr
3. Installation work and electrical wiring must be done by qualied
person(s) in accordance with all applicable codes and standards,
including re-rated construction.
4. Sucient air is needed for proper combustion and exhausting of
gases through the ue (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 the local code authorities.
5. When cutting or drilling into wall or ceiling, do not
electrical wiring and other hidden utilities.
6. Ducted 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 Interrupter) – protected branch
circuit.
damage
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 least 8.2
feet (2.5m) above the oor.
Co okin g are a
Do not in sta ll a bo ve or
insi de thi s a rea
°
45
C oo kin g
Eq ui pm ent
Fig. B
45
°
Floo r
MODELS GBR80HL / GBR80MHL
Page 2.
SUPPLIED ACCESSORIES
Part name Appearance Quantity
Grille
1
Fan
1
Housing
1
Duct Connector
(4”)
GU24 base bulb lamp
(26W )
Grille bracket
Screw
ψ
4×25)
(
Screw
(M4x6)
Screw
(#8-32 x 1-1/4”)
1
1
1
4
1
1
1. INSTALLATIONS
Proper insulation around the fan to minimize building heat loss and
gain.
Roof cap
(with built-in
Short piece of exible
duct helps alignment
and absorbs
sound
Fan housing
damper)
The housing mounts with 4 screws (ψ4×25). Screw housing to joist
through lowest holes in each mounting ange, then through the
other holes.
Joist
Screw (ψ4 x 25)
USING SUSPENSION BRACKETS (SOLD SEPARATELY)
1-2.
Sliding suspension brackets available to allow for your specic
positioning of housing anywhere between joists and span up to
24”.
1-3. Insert suspension brackets into the channels on housing. Make
sure tabs face “up” shown.
Suspension Bracket
(Sold separately)
Tab Face
Channel
1-4. Extend suspension brackets to the width of the joists. Hold fan
in place with the suspension brackets tabs wrapping around the
bottom of joist.
1-5. Fasten suspension brackets to joists with nails or screws through
holes near nails.
1-6. Secure suspension brackets together with screws.
Screw
Joist Joist
Bottom of Joist
Seal gap
around housing
Caulk termination
to duct
MOUNT HOUSING WITH FLANGE:
1-1. To bend the housing tabs out to 90 degree and make housing
tabs contact the bottom of the joist.
Tabs
Joist
Wall cap
(with built-in
damper)
2. DUCT CONNECTION
2-1. Insert the duct into the duct connector and tape all ductworks
connection to make them secure and air tight.
2-2. Install the duct with a gradient 1°~2° to the outside.
Duct connector
Ceiling
Grille
Tape
Inside
Duct
Outside
Gradient
1°~2°
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