Description

CONTACT CUSTOMER SERVICE FOR PRICE AND LEAD TIME. (234)855-8883

!!! INSURE THE APPLICATION TESTS FOR THE CORRECT VOLTAGE, CYCLE, AND PHASE BEFORE PURCHASING !!!

Three phase applications available as well

Loren Cook Model#: AQB30 Roof Exhaust Fan Cast Aluminum Propeller Belt Drive

30AQB

REPLACEMENT MOTOR SINGLE PHASE 115 VOLT: Please email or call for pricing

REPLACEMENT MOTOR THREE PHASE: Please email or call for pricing

REPLACEMENT BEARINGS: Please email of call for pricing

REPLACEMENT SHAFT: Please call or email for pricing

REPLACEMENT BLADE: Please email or call for pricing

REPLACEMENT TOPCAP/LID: Please email or call for pricing

CONTACT CUSTOMER SERVICE FOR PRICE AND LEAD TIME. (234)855-8883

AQB

Roof Exhaust Fan
Cast Aluminum Propeller
Belt Drive

• AQB is spun aluminum units that utilize the Loren Cook “A Series” cast aluminum propeller.
• AQB is a belt drive unit available in 5 sizes from 24 to 48 inches. Performance ranges from 1,165 to 16,700 CFM with static pressures from 0 to 0.50 inches.

Description: Fan shall be a roof mounted, belt driven, downblast, cast aluminum propeller exhaust ventilator with spun aluminum top cap.

Certifications: Fan shall be manufactured at an ISO 9001 certified facility. Fan shall be listed by Underwriters Laboratories (UL 705) and listed for Canada (cUL 705).

Construction: The fan shall be of bolted and welded construction utilizing corrosion resistant fasteners. The spun aluminum structural components shall be constructed of minimum 16 gauge marine alloy aluminum, bolted to a rigid aluminum support structure. The aluminum base shall have continuously welded curb cap corners for maximum leak protection. The motor, bearings and drives shall be mounted on a minimum 14 gauge steel power assembly, isolated from the unit structure with rubber vibration isolators. Unit shall bear an engraved aluminum nameplate. Nameplate shall indicate design CFM, static pressure, and maximum fan RPM. Unit shall be shipped in ISTA certified transit tested packaging.

Propeller: Propeller shall be cast aluminum airfoil design with cast aluminum hub. The blade pitch shall be factory set and locked using set screws and roll pin. The hub shall be keyed and locked to the shaft utilizing two set screws or a taper lock bushing. Propeller shall be balanced in accordance with AMCA Standard 204-05, Balance Quality and Vibration Levels for Fans. Motor: Motor shall be Nema design B with class B insulation rated for continuous duty and furnished at the specified voltage, phase and enclosure.

Bearings: Bearings shall be designed and individually tested specifically for use in air handling applications. Construction shall be heavy duty regreasable ball type in a cast iron housing selected for a minimum L50 life in excess of 200,000 hours at maximum cataloged operating speed.

Belts and Drives: Belts shall be oil and heat resistant, static conducting. Drives shall be precision machined cast iron type, keyed and securely attached to the wheel and motor shafts. Drives shall be sized for 150% of the installed motor horsepower. The variable pitch motor drive must be factory set to the specified fan RPM.