Specification Sheet

358
MODELS ARE & ARS
DOME AXIAL POWER ROOF VENTILATORS
CONSTRUCTION/SPECIFICATION CHECKLIST
Housing
• Heavy-gauge all aluminum housing.
• Exclusive U-Spring suspension compensates for both radial and lateral movement and provides 44% better
vibration isolation than rubber isolators.
• External wiring chase for easy connection.
• High point of discharge with low silhouette design.
• Quick access to motor compartment for easy maintenance.
Propellers
• Attaches directly to fan shaft for maximum efciency.
• Precision pitched. Heavy-gauge aluminum blades with steel hub. Blades are designed for specic exhaust or
supply requirements.
Motors
• Standard motors are single speed, speed controllable and drip-proof.
• All motors are rated for continuous duty.
• Disconnect is standard on ODP motors (except two speed and explosion proof).
• Motors are shipped assembled with factory test run assurance.
Certications
• UL-705 listing available as an option with standard motors.
• AMCA Air & Sound Licensed.
OPTIONS/ACCESSORIES
Solid State Speed Control: S&P’s solid state control is matched to allow smooth RPM variation and
adjustment of airow for system balancing. CFM is reduced in direct proportion to motor speed reduction.
Speed controllers available for 115/1 or 230/1 operation. Fan performance can be controlled from the
ventilated area.
Roof Curb: Prefabricated heavy-gauge galvanized steel, welded construction, 12" high (other
heights are also available) with 1-1/2" wood nailer. Assures perfect t of fan to roof opening. Options
include burglar bars, single or double pitch construction and hinged curbs for easy duct access.
Motor Operated Damper: Motor operated aluminum damper for positive closure against backdraft.
Automatic Damper: Automatic aluminum damper for ease in installation and effective backdraft
protection.
Curb Hinge Arrangement: The curb hinge arrangement provides easy access to the fan, backdraft
damper, and duct for servicing and cleaning.
Insect Screen: Helps prevent insects, snow, airborne mist or water droplets from entering.
Special Coatings: For protective and decorative purposes. Available coatings include: Synthetic Resin, Epoxy,
and Heresite (air-dried phenolic). Contact your representative or the factory for more information on available
coatings and colors.