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Revised 6/11/18 Copyright © 2018 Trade-Wind Manufacturing, LLC Proverbs 22:29 Page 3
PART 1 Planning the Installation
For best and quietest performance, the In-Line Blower should be installed in the attic, near or
slightly beyond the mid-point of the duct system. In installations requiring the blower be in a chase or
wood-type hood over the range (e.g., no attic above the kitchen), the duct silencer will not be as effective
in absorbing motor noise. In addition, there will likely be motor sound transmitted through the walls of the
chase, bypassing the duct silencer. Given the high performance of Trade-Wind® In-Line Blowers, it
is highly recommended that the blower NOT be attached directly to the liner or in a chase
immediately above the liner unless a Trade-Wind® brand duct silencer is installed between the
blower and liner and neoprene lined FC Clamps* are used.
Trade-Wind® brand Professional Series ventilation systems can be installed in an infinite variety of
configurations. The In-Line Blower and Duct Silencer can be installed at any angle.
Connecting the Blower / Ventilator
After properly aligning and supporting the blower, connect it to the duct. Fasten in place by using sheet
metal screws and tape or preferably FC Clamps*. Fast Clamps (FC Clamps) are the recommended
connectors for connecting the blower to the duct system. FC Clamps are easy to connect and work
extremely well as a vibration absorber and noise suppressor. They are made of steel and are lined with
a 0.3” neoprene pad. If FC Clamps are used to connect the blower to the duct, it is not as necessary to
use them on the Duct Silencer for vibration suppression. FC Clamps are available from Trade-Wind®
(Universal Metal Industries, Inc.) through your Trade-Wind® supplier.
CAUTION: DO NOT hang PSD model blowers / ventilators from the FC Clamp’s hanging
tabs. Instead, use the integral brackets bolted to the blower housing.
Hanger-type vibration isolators and suspension hardware (e.g., threaded rod, slotted angle iron,
hurricane strap) are not supplied with blower. If the blower is suspended with these items, they will
absorb much of the motor’s minor vibration.
For more information about vibration absorbers, visit the following internet sites:
www.grainger.com (e.g., for WW Grainger Item 4C879)
www.vibration-absorbers.com
*FC Clamps are available from Trade-Wind
®
(Trade-Wind Manufacturing, LLC) through your Trade-Wind
®
supplier.
Ask for model numbers FC6 (6”), FC8 (8”) or FC10 (10”), 2 per box.
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