Greenheck Fan Ventilation Hood UL 762 User Manual

Optional Construction for  
UL 762 Restaurant Exhaust  
Inline grease exhaust fans are excellent alternative for kitchen applications when roof or wall mounted ventilators  
are not practical. The TCB with UL 76ꢀ grease option is designed to withstand the demands of high temperature  
kitchen grease exhaust and high-pressure duct washes.  
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6
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Leak Resistant Construction Features  
Continuously welded housing and integral duct flanges  
provide air and water tight design.  
1
Bearing cover gasketed and includes a labyrinth shaft seal  
to prevent moisture leakage during normal operation and  
while cleaning with high pressure solvents.  
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5
Continuously welded belt tube keeps the belts and  
bearings clean.  
3
Two threaded drain connections are located 90° from the  
motor location to allow for removal of grease and moisture.  
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Mounting and Serviceability Features  
Universal mounting brackets allow for rotation of the motor to  
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the 3 or 9 o’clock position at the jobsite.  
Duct flanges and access door bolt locations are no more  
than 4 inches (100 mm) on center per NFPA 96.  
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4
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“Easy Access Door” provides access for duct cleaning and allows removal of the wheel,  
shaft and bearings for maintenance. Gasket is rated for 400° F (ꢀ00° C) and prevents  
leakage during operation.  
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System Design Guidelines  
• Inline grease exhaust fans should be installed near the end of the duct run to reduce sound at the hood.  
• Inline fan must be securely bolted to the exhaust duct per NFPA-96 guidelines. Greenheck’s companion flanges  
are recommended for ease of installation.  
• Grease exhaust fans and ductwork must maintain 18 inches (46 cm) minimum clearance to combustible  
material. If the ductwork and fan are insulated, the inspection door must be accessible for maintenance.  
• A minimum of 10 ft. (3.0 m) of clearance must be kept from the fan outlet to adjacent buildings, property lines,  
or the closest point of any air intake or operable window at or below the plane of the exhaust termination.  
• Greenheck recommends that all inline grease applications be reviewed by your local code official to ensure  
compliance with NFPA, IMC, and other local codes.  
UL 76ꢀ is concerned with fans  
Roof  
Ambient temperature  
not to exceed 120ºF  
designed for removal of smoke and  
grease laden vapors with airstream  
temperatures up to 300°F.  
Listed Power  
• Meets all UL 705 Requirements  
• Bolted Access Door  
• Drain Connection  
• Meets requirements of NFPA 96  
Ventilation Control and Fire  
Protection of Commercial  
Cooking Operations  
Ventilation for  
Restaurant  
Exhaust  
Appliances  
13G3  
Maximum  
Operating  
Temperature  
300°F.  
Duct to heat source  
Airflow  
Minimum duct  
at discharge  
To building  
exterior  
Cooling air for  
drives and  
bearings  
A Tough Package to Beat  
Wall and/or ceiling should enclose  
fan when used for emergency heat  
and smoke exhaust. Enclosure shall  
be per NFPA 96 or local building codes.  
The TCB inline grease fan is tough to beat when  
packaged with our full line of kitchen hoods and grease  
extraction options. Take advantage of Greenheck’s  
expertise in providing a total solution in kitchen  
ventilation equipment.  
 

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