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[DOCX File]Section 23 34 00 - HVAC FANS
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Motor, Motor Base, and Drive: Refer to Section 23 05 11, COMMON WORK RESULTS FOR HVAC. //Wall Shutter: Fan manufacturer's standard, steel frame, aluminum blades, heavy duty stall type electric damper motor, spring closed.//
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[DOC File]SECTION 237400 - PACKAGED OUTDOOR HVAC EQUIPMENT
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Damper Operator: 24 V, spring return with motor and gear train sealed in oil. Mixed Air Controls: Maintain selected mixed air [temperature] [enthalpy], lock-out compressor below approximately 57 deg F (14 deg C) ambient, return dampers to minimum position above approximately [57 deg F (14 deg C)] [ ___ deg F ( ___ deg C)] [75 deg F (24 deg C ...
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[DOC File]SECTION 233416 - CENTRIFUGAL HVAC FANS
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Provide multiple belts where motor is larger than 10 hp, such that fan continues to operate with one broken belt. BELT GUARD. Where required: Fabricate to SMACNA HVAC Duct Construction Standards; of 12 gauge (2.8 mm), 3/4 inch (20 mm) diamond-mesh wire screen welded to steel angle frame or equivalent, prime coated.
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[DOCX File]Section 23 09 23 - DIRECT-DIGITAL CONTROL SYSTEM FOR …
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Electronic Damper Operators: Ensure VAV Box actuator to be mounted on the damper axle or be of the air valve design, and provide complete modulating control of the damper. Ensure the motor has a closure torque of 35-inch pounds minimum with full torque applied at close off to attain minimum leakage.
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[DOC File]Section 23 31 00 - HVAC DUCTS AND CASINGS
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7. Operation: Automatic open/close. No smoke damper that requires manual reset or link replacement after actuation is acceptable. See drawings for required control operation. D. Motor operator (actuator): Provide electric as required by the automatic control system, externally mounted on stand-offs to allow complete insulation coverage.
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[DOC File]PART 1 - browardschools
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Operator linkage arrangement to permit normally open or normally closed positions of the damper as required. OUTSIDE AIR MAKEUP CONTROL DAMPER MOTOR ACTUATOR. 24 Volt spring return to close, heavy duty, direct coupled electric actuator motor with minimum 75 Inch Lb. of torque, visual position indicator, mounted outside of duct.
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Hvac damper motor replacement