Specification Sheet

256
CONSTRUCTION/SPECIFICATION CHECKLIST
Blower/Housing
• Aluminum, non-overloading, backward inclined centrifugal wheel statically and dynamically
balanced. SQD 60 has composite wheel.
• Deep spun venturi inlet.
• Heavy-gauge galvanized steel housing.
• Integral inlet and outlet duct collars.
• Universal mounting - horizontal, vertical, or any angle.
• Easy access to interior of unit with removable side panels with closed cell neoprene gasketing
• Motor and wheel removable from unit without disconnecting duct.
Speed Controllable Motors (SQD)
• Brands are nationally recognized and locally serviced.
• Standard motors are single speed, speed controllable and totally enclosed.
• All motors are rated for continuous duty.
• Disconnect is standard with totally enclosed motors.
• Motors ship mounted as standard.
Electronically Commutated Motors (eSQD)
• Brands are nationally recognized and locally serviced.
• Motor mounted potentiometer for easy speed adjustment.
• Easy speed control by DC 0-10 V variation.
• Motor has 80% usable turndown vs. 30% on a PSC motor.
• Internal motor circuitry converts 115V single phase AC power to DC voltage for increased efciencies.
• All motors are rated for continuous duty.
• Motor is 115V and 60 Hz.
• Disconnect is standard.
• Motors ship mounted as standard.
Certications
• AMCA - the AMCA Seal on all units assures certied rating of air and sound performance.
• cULus - most models are available as listed by Underwriters Laboratories under Standard 705
when specied.
MODEL SQD & eSQD
DIRECT DRIVE SQUARE INLINE CENTRIFUGAL DUCT FAN