Models TAUD & TAUB-CA with Cast Aluminum Propeller
Direct & Belt Drive • Clean Air or Fume Exhaust • Spark Resistant Constructions
September
2002
Features
®
Tube Axial Roof Upblast Fans
Greenheck’s tube axial upblast roof exhausters, both direct drive and belt driven, are designed to efficiently
remove and disperse contaminated air. The upblast configuration is ideal for exhausting contaminants away
from a building to prevent roof damage and re-entrainment of exhaust air.
Greenheck’s versatile tube axial design can be used in most commercial and industrial applications. Typical
applications include:
• General exhaust
• Industrial space ventilation
• Fume hood exhaust
• Paint booth exhaust
TAUD Features:
• Direct drive construction
• Propeller diameters from 18 to 48 inch (457 - 1912 mm)
• Belt drive with motor and drives out of airstream
• Propeller diameters from 18 to 60 inch (457 - 1524 mm)
• Volume Range: 2,800 to 74,000 cfm
• Static Pressure: Up to 1.25 inches wg (310 Pa)
• Temperatures: Up to 180ºF
(82ºC)
(4,760 - 125,700 m3/hr)
Cast Aluminum Propellers
The TAUD and TAUB-CA use heavy duty, cast aluminum airfoil propellers that are designed to
meet a large range capacity and pressure requirements.
All TAUD and TAUB-CA propellers are dynamically balanced to assure vibration free
operation. All propellers are tightly secured to the fan or motor shaft with taper lock
bushings.
Leading Edge Support
All Greenheck products are supported by the industry’s best product literature,
electronic media, and Computer Aided Product Selection program (CAPS). You’ll also
find extensive product and Installation and Operation and Maintenance Manuals (IOM)
information on the Internet.
And, of course, you can always count on the personal service and expertise of
our national and international representative organization. To locate your nearest
Greenheck representative call 715-359-6171 or visit our web site at www.greenheck.com
Quick Delivery and Quick Build Programs
Greenheck’s Quick Delivery (QD) and Quick Build (QB) Programs ensure rapid response time
with your needs dictating manufacturing time. Use CAPS or visit www.greenheck.com/quick
to determine what programs are available for these products.
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Value Added Features
AMCA Licensed Air Data & UL / cUL Listing
All sizes and configurations of the TAUD and TAUB-CA have AMCA licensed air data.
In addition, UL and cUL 705 listing is available for both TAUD and TAUB-CA models.
Motors may be either 50 or 60 Hz.
®
Gree nheck Fan Corp orat ion cer tifi es that t he mode ls
TAUD and TAUB- CA tube a xial f ans shown here in are
licen sed to be ar the AMCA sea l. The ra tings s hown ar e
based on tests and pro cedures per for med in ac cord ance
with AM CA Publi catio n 211 and comp ly with t he
requi reme nts of th e AMCA Ce rtified Rat ings Pr ogra m.
TAUD and TAUB-CA are listed
for Electrical UL/cUL 705
File no. 40001
Quality Design
Construction includes heavy gauge material used in the housing, windband, and curb cap. Rolled edges on the
windband and damper blades are used for additional strength. Curb cap includes reinforcing gussets, integral
venturi, and prepunched mounting holes.
Electrostatic Powder Paint
Powder coatings offer a uniform, durable, and high quality finish.
Powder coating is a one-coat process applied over a phosphatized
surface that generally meets or exceeds the corrosion resistance of a
comparable wet paint.
Greenheck offers a number of in-house coatings applied via
“electrostatic powder”. The standard coating, Permatector™, is
excellent for indoor or outdoor applications and is resistant to many
common chemicals. Consult Greenheck’s Product Application Guide
FA/110-04R, Performance Coatings for Ventilation Products for a
complete listing of coatings and a relative resistance chart.
Maintenance / Serviceable
The TAUB incorporates the following value added features that allow for quick and easy field service.
• Bearing lubrication is performed through extended grease fittings located on the
outside of the fan housing.
• An adjustable motor base is provided for tightening the fan belts.
• Propellers are easily removed with the use of taper lock bushings.
For best access to the propeller and internal fan components for field service, see
the “Easy Access Construction” option in the Accessories section.
Complete Assembly and Testing
The TAUD and TAUB-CA are completely assembled and tested before
shipment. Our inspectors check that the fan operates with minimal
vibration and is electrically safe for field operation.
MODEL NUMBER CODE —
TAUD – 24 – 609 – A 20
Tube Axial Upblast
D - Direct Drive
Fan Size
18, 20, 24, 30, 36, 42, 48
Number of Blades
3,4,6
Blade Pitch
The model number system is designed to completely identify the fan.
Housings are continuously welded to prevent air
leakage. The fan tube, curb cap, windband and motor
cover are constructed of heavy gauge steel with
Permatector™ coating.
Butterfly Dampers
Butterfly style dampers feature rolled edges for
strength and weather protection. Damper stops
maintain proper blade position when fan is operating.
Gaskets line the edge of fan discharge for quiet
damper closure. For sizes 18-30 aluminum material
is standard and steel is standard for sizes 36-60.
Aluminum blades optional on larger sizes.
Bearings (Belt Drive)
Bearings are air handling quality, grease lubricated,
pillow block type. Bearings are selected with a basic
rating fatigue life (L10) in excess of 40,000 hours at
each fan’s maximum operating speed.
Extended Lube Lines (Belt Drive)
Extended lube lines with grease fittings allow bearing
lubrication from the fan exterior.
Accessories
Belt & Bearing Tube (Belt Drive)
Belts, bearings, and drives are protected from the
airstream by a heavy gauge steel belt tube and
bearing cover.
Adjustable Motor Bases (Belt Drive)
Rigid structural steel motor bases are welded to
the fan housing and include heavy duty adjustment
screws for belt tensioning.
Drives (Belt Drive)
Greenheck offers either constant or adjustable speed
drives for fan speed adjustments. Belts are static free
and oil resistant.
Motors
NEMA base-mounted motors are standard. Motors
are available in open drip proof, totally enclosed, or
explosion proof.
Motor Covers (Belt Drive)
Weatherproof motor cover shields the motor and
drive components from dust, dirt, and moisture. Motor
covers meet OSHA standards.
Outlet Screen
Outlet screens constructed of steel mesh shield
dampers and fan discharge from debris.
Fusible Link Damper Lifter
Automatically open butterfly dampers when the air
temperature below the damper blades exceeds 165ºF
(74ºC). Damper blades held open to provide smoke
and heat relief with no electric power required.
Magnetic Latches
Magnetic damper latches minimize damper flutter (due
to pressure changes within the building) when the fan
is not in operation.
Inspection Door
Bolted or hinged inspection door provides access
through the fan tube for cleaning or inspection of the
propeller, bearings, and drives.
Inlet Guard
Inlet guards provide protection for personnel and
equipment in ducted or non-ducted installations. Inlet
guards meet OSHA standards.
Extended Wiring (Direct Drive)
Motor wiring is extended to the exterior of the fan
casing for easy installation of the unit in the field.
Tie Down Points
A set of 4 tie down points are used to secure the fan to
the roof deck when wind loading is a concern.
Shaft Seal
Shaft seals with aluminum rub rings are available to
prohibit leakage of air into the bearing compartment of
the fan.
Special Coatings
Special coatings are available for protective purposes.
Coatings are applied before assembly so that each
manufactured component is coated inside and out.
Painting the exterior a specified color for appearance
is also an option. Consult Greenheck’s Product
Application Guide FA/110-04R, Performance Coatings
for Ventilation Products for a complete listing of
coatings and a relative resistance chart.
Roof Curbs
A complete line of prefabricated roof curbs is available
for mounting Model TAUD and TAUD fans. See the
Greenheck Roof Curbs, Extensions & Equipment
Supports catalog.
Disconnect Switches
Toggle and heavy duty disconnect switches are
available for positive electrical shut-off and safety in
servicing fans. The following switches are available
to meet individual electrical requirements and can be
factory mounted or shipped loose for field mounting.
• NEMA-3R — Rainproof (outdoor)
• NEMA-4 — Watertight (outdoor)
• NEMA-7 & 9 — Class 1 and 2 hazardous locations.
Greenheck will not factory mount NEMA-7 & 9 disconnect switches.
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Accessories
®
Outlet Screen
Aluminum
Damper Blades
Fusible Link
Damper Lifter
Tie Down Points
Inspection Doo
Inlet Guard
5
TAUD-18
Direct Drive
®
25.00
(635)
Specifications
Max frpm = 1725
Outlet Velocity (fpm) = cfm / 3.41 ft
2
Tip Speed = frpm x 4.71
44.00
(1118)
Max Motor Frame Size = 145T
Fan Tube Gauge = 12 ga.
Windband Gauge = 20 ga.
21.25
(540)
Curb Cap = 12 ga.
Approx. Weight (LM) = 145 lbs. (66 kg.)
Recommended Roof Opening = 201/2 x 201/2 in. (521 x 521 mm)
26.00
(660)
2.50 (
64)
Dimensions are shown in inches (millimeters).
TAUD Performance Data
Model
Number
18-4381/411400.282854268824912402
18-6311/411400.272914278016312556
18-6381/311400.363121297528232739
18-4131/417250.272795271226252574
18-3161/417250.28291328122708265223431978
18-6151/317250.3629532891283027992605
18-4181/317250.3832013118303529912731
18-3241/217250.43342833033180311928182457
18-4231/217250.543590349834063357309027852369
18-3301/217250.59374136323502343330972734
18-6223/417250.613661359135213486328330522763
18-3383/417250.7839713834370836503337
18-4353/417250.89420741033998394536463340
18-628117250.814163408139993958372534803196
18-634117251.084584449043954348410838423536
MotorHPFan
RPM
Max
BHP
0.0000.0500.1000.1250.2500.3750.500
CFMCFMCFMCFMCFMCFMCFM
CFM / Static Pressure in Inches WG
Minimum CFM required to
open butterfly dampers:
Aluminum Dampers: 2752
Steel Dampers: 3526
Performance shown is for installation type A: free inlet, free outlet. Performance ratings do not include the effects of appurtenances in the airstream.
6
TAUD-20
Direct Drive
®
27.25
(692)
46.13
(1172)
Specifications
Max frpm = 1725
Outlet Velocity (fpm) = cfm / 4.05 ft
Tip Speed = frpm x 5.23
Max Motor Frame Size = 145T
Fan Tube Gauge = 12 ga.
2
Minimum CFM required to
open butterfly dampers:
Aluminum Dampers: 3169
Steel Dampers: 4087
Windband Gauge = 20 ga.
22.38
(568)
Curb Cap = 12 ga.
Approx. Weight (LM) = 160 lbs. (73 kg.)
Recommended Roof Opening = 201/2 x 201/2 in. (521 x 521 mm)
30.00
(762)
2.50
(64)
Dimensions are shown in inches (millimeters).
TAUD Performance Data
Model
Number
20-3311/411400.283513327030422921
20-6211/411400.283423328331403067
20-4281/411400.303626343632373126
20-4331/311400.373837362734283319
20-6261/311400.3838703686351134262961
20-6371/211400.594448427340873989
20-3111/417250.263318318330532990
20-4101/317250.303375326831623110
20-3141/317250.3737753653353334733105
20-6131/217250.583928385737883754352632922992
20-4171/217250.594353424241314076378134533070
20-3213/417250.624573445043214248387434743033
20-619117250.894864477946934650441941683860
20-329117250.895197503948824804441040003552
20-4243/417251.865102499248834828448241643798
20-335117251.11547553375196510746604215
20-623117251.125438533952405191492646564376
20-430117251.135568544743275267492645734187
MotorHPFan
RPM
Max
BHP
0.0000.0500.1000.1250.2500.3750.500
CFMCFMCFMCFMCFMCFMCFM
CFM / Static Pressure in Inches WG
Performance shown is for installation type A: free inlet, free outlet. Performance ratings do not include the effects of appurtenances in the airstream.
7
TAUD-24
Direct Drive
®
31.13
(791)
48.50
(1232)
Specifications
Max frpm = 1725
Outlet Velocity (fpm) = cfm / 5.28 ft
Tip Speed = frpm x 6.28
Max Motor Frame Size = 184T
Fan Tube Gauge = 12 ga.
2
Minimum CFM required to
open butterfly dampers:
Aluminum Dampers: 3947
Steel Dampers: 5220
Windband Gauge = 20 ga.
22.13
(562)
Curb Cap = 12 ga.
Approx. Weight (LM) = 225 lbs. (102 kg.)
Recommended Roof Opening = 261/2 x 261/2 in. (673 x 673 mm)
Performance shown is for installation type A: free inlet, free outlet. Performance ratings do not include the effects of appurtenances in the airstream.
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