Specification Sheet

93
CONSTRUCTION/SPECIFICATION CHECKLIST
Housing
• Curb cap has integral deep spun inlet for efcient 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 included on standard models.
Wheel
• Backward inclined for efciency at higher static pressure.
• Non-overloading for safe operation in ducted systems.
• Tapered blades for efciency and quiet operation.
• Wheels constructed of noncorrosive aluminum.
• Statically and dynamically balanced for smooth operation.
Electronically Commutated Motors
• Brands are nationally recognized and locally serviced.
• Easy speed control by DC 0-10 V variation or EC style speed controller.
• Motor has motor mounted potentiometer with digital readout for easy speed adjustment.
• Can be controlled by a PC or building management system.
• Motor has 80% usable turndown vs. 30% on a PSC motor.
• Internal motor circuitry converts 115/230 V single phase AC power to DC voltage for increased efciencies.
• All motors are rated for continuous duty.
• Motor is 115/230V and 50/60 Hz.
• Disconnect is standard.
• Motors ship mounted as standard.
AMCA Seal
• Assures rating of Air and Sound performance.
UL Label
• UL 705 Listing assures electrical reliability.
MODEL eRED
DOWNBLAST CENTRIFUGAL ROOF EXHAUSTER WITH ELECTRONICALLY COMMUTATED MOTOR