Specification Sheet

197
MODEL OVERVIEW
Model CWD direct drive fans are designed to exhaust air up to 3,360 CFM in high static pressure applications
to 1”. The spun aluminum exterior provides a pleasing appearance, weatherproof construction and resistance to
corrosion. The low silhouette design is less noticeable on the building exterior and the removable dome provides
easy access to the fan interior for service and cleaning. The non-overloading backward inclined centrifugal
wheel with its high static pressure capability, makes it suitable for either ducted or nonducted applications. It
should be used where a sidewall mounted location is preferred to roof mounting. Direct drive units use smaller
diameter wheels with lower rpm's, resulting in low sound levels and quiet operation. They have no belts or fan
bearings to maintain or adjust and consequently require very little maintenance.
CWDs are used to exhaust relatively clean air from a variety of industrial, commercial and institutional buildings
such as machinery and equipment rooms, storage areas, ofce buildings, restaurants, retail stores, schools and
similar buildings.
Industry best 5 year fan housing warranty, 1 year motor warranty
MODEL CWD
DIRECT DRIVE CENTRIFUGAL SIDEWALL EXHAUSTER
MODEL FEATURES
• Exhaust air up to 3,360 CFM in high static pressure applications up to 1” w.g.
• Attractive spun aluminum exterior
• Direct drive units have low sound levels and quiet operation
• Non-overloading backward inclined wheel for efciency at higher static pressures
• AMCA Air and Sound Licensed
• UL 705 Listed
Model CWD is available
in our Quickship program.
Sizes 7-14 are available for next
day or 10-day shipping from stock.
All specications are subject to change without notice unless approved in submittal by S&P USA.
Disconnect
Standard with ODP single
speed motors.
Duct Connection
At wheel inlet.
Centrifugal Wheel
Non-overloading,
backward inclined blades
for maximum efciency.
Spun Aluminum Shell
Maximum weather protection.
Motor
Open drip-proof standard
and speed controllable.
Spun Aluminum Dome
Provides compartment
for out-of-airstream motor
location.
Aluminum Birdscreen
(optional)
Protection from birds and
other objects
AMCA Seal
Assures rating of Sound
and Air performance
UL Label
For electrical reliability
Factory Run & Tested
Assures dependable
operation
CONSTRUCTION FEATURES AND OPTIONS
GC_CWD_0111 January 2011