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
3
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.
2
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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
1
2
“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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