Acme Engineering UBG Installation Manual

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Industry Leadership
Founded in 1938, Acme Engineering and Manufacturing Corporation is known worldwide as a leader in the manufacture of fans, blowers, and ventilation equipment. Acme’s growth over the past half century is a tribute to superior quality, customer loyalty, and dedicated employees and sales representatives.
Today, from its headquarters in Muskogee, Oklahoma, Acme serves customers worldwide with high quality air movement and control products.
Manufacturing
With approximately 350,000 square feet of manufacturing space, Acme produces one of the broadest lines of air moving equipment in the industry. State-of-the-art manufacturing equipment and a well trained, experienced workforce is the key to Acme’s timely delivery of quality air moving products.
Research and Testing
The Acme Research and Development Center operates both air and sound laboratories. The Center houses four wind tunnels with a data acquisition system, a reverberant sound room with the latest sound analyzer equipment, and a structural laboratory for stress and vibration analysis. Solid modeling, and finite element analysis support product research and development. The Center also houses a fully equipped prototype facility enabling Acme to develop and introduce new products to the market in the shortest time possible.
Sales & Service
A factory trained, knowledgeable sales organization addresses the needs of many diverse and distinct markets. Customers around the world are serviced by a complete system of sales representatives, equipment distributors and local dealers supported by nationwide distribution centers and backed by a staff of sales and marketing professionals.
Quality
A highly trained production staff sets the standard for dependable, quality air moving products. By using the latest computer techniques for research and design, and rigorous quality control standards Acme can offer
one of the best warranty programs in the industry. Our exclusive 2/5 year limited warranty provides our customers with confidence…Year After Year.
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UBG CONSTRUCTION FEATURES
REMOVABLE WINDBAND
Constructed of heavy gauge galvanized steel. Removable panels for easy access to fan and dampers. (Size 72 windband shipped knocked down; requires field assembly.)
Model UBG low silhouette belt drive exhausters are ideally suited for moving large volumes of air. Capacities range from 3,770 to 83,370 CFM and up to ¾ inch static pressure. The UBG is a high velocity exhauster design to discharge air up and away from the building. Typical applications includes all types of commercial and industrial facilities such as warehouses, foundries, mills and manufacturing plants.
BUTTERFLY DAMPERS
Constructed of aluminum for ease of opening at low velocities. Dampers provide weather protection and prevents backdrafts when fan is not in operation.
LIFTING EYES
For ease in lifting onto the roof deck.
BASE
Constructed of heavy gauge galvanized steel for weather resistance.
HEAVY DUTY ALUMINUM PROPELLER
Heavily reinforced, highly efficient, cambered airfoil blades, welded to hub and precision balanced on corrosion resistant coated fan shaft.
MOTORS
Heavy-duty type with prelubricated ball bearings requiring minimum maintenance.
DRIVE ASSEMBLY
Designed for 150% of driven horsepower. Sheaves are machined cast iron. Belts are static free and heat and oil resistant. Shafts have corrosion resistant coating. Variable speed drives are standard for 5 HP and smaller. Fixed speed drives are standard for 7 ½ and 10 HP. Pulleys have split taper bushing.
BEARINGS
Permanently lubricated bearings are used in duplex split pillow block housing. Bearings are resiliently mounted in neoprene rings, providing extra protection and vibration isolation. The bearing assembly is rated at an L-50 life of 200,000 hours and features Acme’s 5 year limited warranty.
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UBGMX CONSTRUCTION FEATURES
Motor Out of Airstream
The UBGMX offers all of the standard construction features of the UBG in addition to the motor out of the airstream for ease of servicing and inspection. Removable motor cover allows quick and easy access to the motor, belt and drives without removing the fan.
High Temperature Options
UBGMX exhausters are available with special features for emergency high temperature exhaust and smoke removal applications. The table below lists the specific options and the high temperature features.
UF Option
500° F for 4 hours
1000° F for 15 minutes
Construction Features
Hi-Temperature Bearings ·· Copper Lubrication Lines ·· Dual Heat Resistant Belts ·· Heat Slinger ·· Steel Propeller ·· Motor Outside Airstream ·· Ventilated Belt and Bearing Enclosure ·· Fusible Link Damper Lifters ··
Fusible Link Damper Lifters Capable of Lifting 10 lbs./sq. ft., meets UL793.
UL Listed “Power Ventilator for Smoke Control Systems”
Note: Exhausters with UF and SE options are constructed to operate in temperature and time limits stated. Some parts of the fan may be destroyed when exposed to unusually high temperatures for prolonged periods.
OptionUFOption
SE
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SE Option
500° F for 4 hours
1000° F for 15 minutes
Meets UL793 requirements
UBGMX exhausters with UF and SE options are designed and constructed to remove high temperature exhaust and smoke.
These specially equipped ventilators meet IRI (Industrial Risk Insurers) requirements for exhausting 500° F air for 4 hours and SBCCI’s “Standard Fire Prevention Code” requirements for exhausting 1000° F air for 15 minutes. The Butterfly
Damper on the SE option meets the requirements of UL 793 for automatically opening under snow or dust load in an emergency situation.
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