MODEL LPD LOW PROFILE DIRECT DRIVE CENTRIFUGAL
ROOF/SIDEWALL EXHAUSTER
 
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Features
• Ultra Low Profile
• AMCA Air & Sound Licensed
• cULus Listed-Standard 705 (optional)
• UPS Shipping Carton
• 5 Year Housing Warranty
• Up To 140°F Airstream Temperature
• Roof or Sidewall Mount
Construction
• Aluminum Construction
• Stainless Steel Exterior Fasteners
• Backward Curved Centrifugal Wheel
• Aluminum Birdscreen
• Conduit Wiring Chase
• Service Disconnect Switch
• Precision Balanced to ISO Standard 1940
Motor
• Unique External Rotor Design
• Permanently Lubricated Bearings
• 3 Year Motor Warranty
• Internal Thermal Protection
• 100% Speed Controllable
• 115V, 230V and 60/50 Motor Options
• Totally Enclosed and Continuous Duty
MODEL RED DIRECT DRIVE CENTRIFUGAL ROOF EXHAUSTER
Application
Model RED direct drive units are roof mounted centrifugal exhausters rated from 46 to over 3000 CFM, with static pressure capabilities to 1 inch. They are used to exhaust air from all types of commercial and institutional buildings such as hospitals and health care facilities, schools, recreational buildings, machinery and equipment rooms, offices, retail stores and similar applications.
The nonoverloading backward inclined wheel with its higher static pressure capability makes this unit suitable for either ducted or nonducted applications. Its roof mounting permits location near the area to be ventilated, allowing short duct runs and more efficient operation.
The spun aluminum exterior provides an attractive appearance and is compatible with belt driven Model DB and companion
gravity units to make up a complete ventilation system. 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. |
Construction/Specification Checklist
Housing
• Curb cap has integral deep spun inlet for efficient performance and prepunched mounting holes for ease of installation.
• Fan plate isolates motor compartment from contaminated exhaust air.
• Spun aluminum hood and skirt for weather protection and attractive appearance.
• Heavy-gauge motor support for rigidity and strength.
• Neoprene isolators for reduction of vibration and sound.
• Quick access to motor compartment for ease of maintenance.
• Conduit passage for easy electrical connection from below roof.
• Birdscreen and disconnect are included on standard models; (excluding explosion proof and 2-speed motors).
Wheel
• Backward inclined for efficiency at higher static pressure.
• Nonoverloading for safe operation in ducted systems.
• Tapered blades for efficiency and quiet operation.
• Wheels constructed of noncorrosive aluminum.
• Statically and dynamically balanced for smooth operation.
Speed Controllable Motors
• Brands are nationally recognized and locally serviced.
• Standard motors are single speed, speed controllable and drip-proof.
• All motors are rated for continuous duty.
• Disconnect is standard with single speed drip proof motors.
• Motors ship mounted as standard.
AMCA Seal
• Assures rating of Air and Sound performance.
UL Label
• UL 705 Listing assures electrical reliability.
• UL 705 must be specified when required.
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Options/Accessories
Solid State Speed Control: Breidert's solid state control is matched to the motor and blower wheel to allow continuous reduction in performance allowing adjustments of airflow for system balancing. CFM is reduced in direct proportion to motor speed reduction. Speed control is available for 115 or 230 volt single phase. Exhauster performance can be controlled from the ventilated area.
Roof Curb: Prefabricated heavy-gauge galvanized steel welded construction, 12" high with 1-1/2" wood nailer. Assures perfect fit of exhauster to roof curb. Options include burglar bars, single and double pitch construction, and additional curb heights.
Sound Curb: Option of thermal acoustical lining or a complete maximum sound attenuating baffle system. Provision for mounting damper is available. Contact factory for information regarding effect on exhauster air performance and sound level.
Motor Operated Aluminum Damper: Motor operated for positive closure against back draft.
Automatic Damper: Automatic aluminum damper for ease in installation and effective backdraft protection.
Companion Gravity Units: Models RCX-II comes in a wide range of sizes and air capacities to provide relief or intake air to the system. Curbs and dampers are available to fit all sizes. Spun aluminum hoods provide a pleasing appearance, complementing the Model RED exhauster.
Curb Hinge Arrangement: The curb hinge arrangement provides easy access to the exhaust fan, backdraft damper, and duct for servicing and cleaning.
Special Coatings: Powered roof exhausters often require special coatings for protective and decorative purposes. Available
coatings include: Epoxy, Eisenheiss, and Heresite (air-dried phenolic). Contact your Breidert representative or the factory for more information on available coatings and colors.
Quickship Program
All RED Models and many optional accessories are available on the Breidert Quickship Program. This program provides rapid delivery of standard products so that tight project deadlines can be met and downtime on replacement work can be held to a minimum.
All specifications are subject to change without notice unless approved
in submittal by Breidert.
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