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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: 3
1
⁄
4
" x 10" duct equals 6 inch diameter duct.)
AIR PERFORMANCE CURVE – Vertical
(6 In. Duct to 10 Foot Lengths)
AIR PERFORMANCE CURVE – Horizontal
(6 In. Duct to 10 Foot Lengths)
STATIC PRESSURE
INCHES OF WATER
CFM
0.05
135 128 119 105 90 73 60 – –
0.1
126
LS
63.7 60.4 56.1 49.5 42.5 32.4 28.3 – –59.4
.125 0.15 0.2 0.25 0.3 0.35 0.4 0.45
STATIC PRESSURE
INCHES OF WATER
CFM
0.05
140 130 118 106 90 76 57 – –
0.1
127
LS
66 61.3 55.6 50 42.5 35.8 26.9 – –59.9
.125 0.15 0.2 0.25 0.3 0.35 0.4 0.45
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.