Description
CONTACT CUSTOMER SERVICE FOR PRICE AND LEAD TIME.
!!! INSURE THE APPLICATION TESTS FOR THE CORRECT VOLTAGE, CYCLE, AND PHASE BEFORE PURCHASING !!!
Three phase applications available as well
36LTU Upblast Roof Fan Low Silhouette TRITON Steel Propeller Belt Drive
LTU36
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.
LTU
Upblast Roof Fan
Low Silhouette
TRITON® Steel Propeller
Belt Drive
- LTU is a low silhouette unit that utilizes the COOK “TRITON® Series” steel propeller.
- LTU is a belt drive unit available in 8 sizes from 20 to 60 inches. Performance ranges from 3,400 to 73,000 CFM with static pressures from 0 to 1.125 inches.
Description: The fan shall be a low silhouette, belt driven, upblast propeller roof fan.
Certifications: Fan shall be manufactured at an ISO 9001 certified facility. Fan shall be listed by Underwriters Laboratories (UL 705) and UL listed for Canada (cUL 705). Fan shall bear the AMCA Certified Ratings Seal for Air Performance.
Construction: The fan shall be of bolted and welded construction utilizing corrosion resistant fasteners. The motor, bearings and drives shall be mounted on a tubular steel power assembly. The power assembly shall be welded to a minimum 14 gauge steel base. The base shall have an integral venturi and continuously welded curb cap corners. Fan housing shall be minimum 14 gauge steel, bolted to the fan base. Fan shall have butterfly discharge dampers of aluminum or steel construction with a high volume rain gutter to prevent rain infiltration. Dampers shall be protected by a continuously welded steel windband. Windband shall be minimum 18 gauge steel with minimum one inch flanges for maximum strength and rigidity. The fan shall include integral lifting lugs capable of safely supporting the total weight of the fan with motor. Unit shall bear an engraved aluminum nameplate and shipped in ISTA certified transit tested packaging.
Coating: All steel fan components shall be Lorenized™ with an electrostatically applied, baked polyester powder coating. Each component shall be subject to a five stage environmentally friendly wash system, followed by a minimum 2 mil thick baked powder finish. Paint must exceed 1,000 hour salt spray under ASTM B117 test method.
Propeller: Propeller shall be a high-efficiency fabricated design with blades securely fastened to a minimum 7 gauge steel hub. The hub shall be keyed and locked to the fan shaft utilizing two set screws. 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 cast pillowblock ball type 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.
LOREN COOK COMPANY certifies that the LTU shown herein is licensed to bear the AMCA Seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 211 and comply with the requirements of the AMCA Certified Ratings Program.
Type LTU is furnished standard with UL 705 and CUL 705 listing (Power Ventilator/ZACT) when furnished with factory supplied motor.
