NuTone QT150 User Manual
Architectural & Engineering Specifications
March 2004
QuieTTest Twin
Blower Ventilator
(For Ceiling Use)
MODEL: QT150
DESCRIPTION
• For bathrooms up to 150 sq. ft. (13.9M2), other rooms up
to 200 sq. ft. (18.56M2).
• Sturdy brown-enamel steel housing is lined with
sound-deadening foam for quiet operation.
• Motor plugs into prewired junction box.
• Vents horizontally or vertically with 31⁄4" x 10" duct.
Duct collar with damper included.
• Installs between 16" O.C. joists with slotted mounting
brackets. Slots on the sides of the housing provide
alternative mounting.
• Wiring knockouts located on the top and back
of the housing.
• Refer to NuTone's catalog for a complete line
of accessories to effectively adapt this Fan
to your construction requirements.
• Energy Star®Qualified.
DESIGN FEATURES
HVI Air Delivery: 160 CFM (75.5LS).
HVI Sound Level: 2.5 Sones
Dimensions: Housing: 141⁄4" L x 10" W x 9" D
(36.2CM X 25.4CM X 22.8CM).
Grille: 161⁄2" L x 123⁄32" W x 5⁄8" D
(41.9CM X 30.7CM X 1.6CM).
Material & Finish: Housing: Galvanize steel.
Grille: White Polymeric.
Motor: Thermally protected.
Blower Wheel: Aluminum, electronically balanced.
Duct Size: 31⁄4" x 10".
Electrical Rating: 120v, 60Hz, 0.6Amp
INSTALLATION
• Not for use in kitchens.
• Complete installation instructions are included
with each unit.
ARCHITECT'S SPECIFICATIONS
Twin-Blower Ventilator shall be Model QT150 as
manufactured by NuTone according to listed specifications.
Unit shall ventilate 160 CFM at a sound level of 2.5 Sones.
Housing shall measure 141⁄4" x 10" x 9" deep and connect
to 31⁄4" x 10" duct.
CERTIFIED TEST DATA
HVI-2100 CERTIFIED RATINGS comply with new testing
technologies and procedures prescribed by the Home
Ventilating Institute, for off-the-shelf products, as they are
available to consumers. Product performance is rated at 0.1
in. static pressure, based on tests conducted in AMCA's
state-of-the-art test laboratory. Sones are a measure of
humanly-perceived loudness, based on laboratory
measurements. This NuTone model is listed by Underwriters'
Laboratories Inc. and Certified by the Canadian Standards
Association (CSA).
The air delivery of a ventilating system may be
determined by:
1. Determine the equivalent duct length for each 90 degree
elbow by adding one foot of duct length for each inch of
duct diameter, i.e., a 4 inch diameter duct elbow equals
4 feet equivalent duct length and an 8 inch diameter duct
elbow equals 8 feet equivalent duct length.
2. Add the total straight length of duct and the equivalent
length for each elbow to obtain the total equivalent duct
length.
3. Locate the intersection of the fan performance curve
and the total equivalent duct length curves and draw a
vertical line down to the CFM scale and read the system
air performance.
(NOTE: 31⁄4" x 10" duct equals 6 inch diameter duct.)
AIR PERFORMANCE CURVE – Horizontal
(6 In. Duct to 10 Foot Lengths)
AIR PERFORMANCE CURVE – Vertical
(6 In. Duct to 10 Foot Lengths)
3 1/4" x 10"
Product specifications subject to change without notice.
NuTone, Inc., 4820 Red Bank Road, Cincinnati, Ohio 45227
Broan-NuTone Canada Inc., 1140 Tristar Drive, Mississauga, Ontario, Canada L5T 1H9
Printed in U.S.A.
STATIC PRESSURE
INCHES OF WATER
CFM
0.05
185 162 158 142 120 – – – –
0.1
160
LS
87.3 76.4 74.5 67.0 56.6 – – – –75.5
.125 0.15 0.2 0.25 0.3 0.35 0.4 0.45
STATIC PRESSURE
INCHES OF WATER
CFM
0.05
185 169 156 140 120 – – – –
0.1
162
LS
87.3 79.7 73.4 66.0 56.6 – – – –76.4
.125 0.15 0.2 0.25 0.3 0.35 0.4 0.45
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