Centrifugal Exhaust Fans
Model USGF - Ultimate Steel Grease Fan
• Charbroilers, Solid Fuel Cooking, Oriental Cooking and High Wind Applications
February
2008
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Leading-Edge Technical Support
When you need extensive product and IOM (Installation
and Operating Manual) information, our products are
supported by the industry’s best product literature,
electronic media and computer aided selection
program (CAPS). You’ll also find this information on our
website at www.greenheck.com
You can always count on personal service and
expertise from our national and international
representative organization. To locate your nearest
Greenheck representative, call 715-359-6171 or visit our
website at www.greenheck.com
World-Class Manufacturing
Greenheck’s skilled production workers use cost-effective
machines and unique dies designed and built by our
own engineers to add innovative features and greater
strength to our centrifugal exhaust fans. Our advanced
manufacturing processes and quality control procedures
always ensure the highest product quality. And just to
be sure you get the peace-of-mind you expect when you
specify Greenheck, our assembly inspectors test run and
monitor every fan before it leaves the factory. Results
of these tests are kept in permanent records for future
reference.
ꢁ
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Severe Weather
Applications
Forceful winds and wind-borne debris are the cause of most hurricane damage. Hurricane winds start
at 75 mph. At speeds of 140 mph wind can exert a 130 pound per square foot pressure or 900 pounds
of force on a fan and curb. Forceful winds are not the only problem; wind-borne debris can also cause
detrimental effects to objects and structures.
Miami-Dade County has the strictest test protocols in the country for wind-borne debris and wind
loading tests. Greenheck has gone one step further with the model USGF by third-party testing to the
Miami-Dade County Test Protocols.
These protocols were designed to protect against wind-born debris and severe wind loads.
• Structural Performance per Dade County Protocol TAS 202 (ASTM E-330).
• Large Missile Impact Testing per Dade County Protocol TAS 201.
Structural Performance Load: A static load that is 1.5 times the design load (195 pounds per square
foot pressure) is applied both positive and negative to simulate wind force loads in each direction.
Large Missile Impact Test: Is required when objects are located 30 feet or less from the ground. The
test unit is impacted three times with a piece of lumber (2 in. x 4 in. x 6 ft) weighing approximately nine
pounds and traveling at 34 mph. This simulates wind-borne debris striking the fan.
Miami-Dade County test protocols: Greenheck has gone the extra mile and worked with Miami-Dade
County to design a High Velocity Hurricane Zone standard for rooftop fans. The USGF has become the
first rooftop fan certified and approved by the Miami Dade Building Code Compliance office and Texas
Department of Insurance for use in hurricane zones. The certifications can be viewed on the Miami-Dade
County website under NOA #07-0503.06 or the Texas Department of Insurance Windstorm website.
When severe weather is a threat, don’t specify anything less than the Greenheck model USGF and the
SD curb.
ꢂ
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Standard
Construction Features
1
Fan Shaft - Is 1-inch minimum in diameter and is 10 Drive Assembly - Dual belts, pulleys, and keys are
precisely sized, ground, and polished so the first
critical speed is at least 25% over the maximum
operating speed, which results in longer fan life.
oversized 150% of driven horsepower. Machined
cast steel pulleys are adjustable for final system
balancing. Belts are static free and oil resistant.
11
12
Motor Cover - Is easily removed for access to the
steel motor compartment and drive assembly.
2
3
Bearings - Lubricatable cast pillow block and are
air handling quality extended life L10 > 100,000
hours (L50 average life > 500,000 hours)
Powder Coated - Unit is constructed of a minimum
of 16 gauge galvaneal steel. Entire unit is powder
coated with a chemical resistant Permatector
finish.
True Vibration Isolation - Lowers sound levels
and reduces vibration, which increases the fans
life since true vibration has no steel to steel
contact.
13
14
Motor - Carefully matched to the fan load and is
mounted out of air stream.
4
5
Clean Out Port - Allows the outside of the wheel
to be cleaned through a four-inch diameter
removable plug in the windband.
Windband - Unique spun from galvaneal steel
achieves superior strength & consistent material
thickness.
Non-Stick Coated Steel Wheel - Heavy
weight steel wheel with a dry lubricate
coating eliminates imbalance in heavy grease
applications. The steel wheel is a backward-
inclined, non-overloading centrifugal type.
15
16
Nema-3R Disconnect Switch Mounted & Wired -
Motor and switch are prewired to specified voltage.
Motor Cooling Tube - Maximum motor life is
achieved through positive motor cooling with fresh
outside air being continuously drawn through the
large breather tube directly over the motor.
6
7
Drain Trough - All grease and water is collected
at one-point for easy disposal.
Curb Cap with Mounting Holes - Prepunched
mounting holes in the steel curb cap to ensure
correct attachment to the roof.
17 Name Plate - Exact model and serial identification
on a permanent stamped aluminum plate.
18
Heat Baffle - Extends motor life by reducing the
amount of heat that penetrates through the bottom
of the motor support pan.
8
9
Hinged Curb Cap with Cables - Allows entire fan
to tilt away for access to wheel and ductwork
for inspection and cleaning. Shipped for field
assembly.
19 Lifting Lugs - Located under motor compartment
for ease of lifting unit during installation.
Leakproof Construction - One-piece fully welded
windband to curb cap. Assures no grease will
leak onto roof through the fan’s seams.
1
11
10
2
12
14
13
4
15
16
3
19
18
8
17
5
9
6
7
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Options and Accessories
Self Draining Grease System:
Drain grease and rain water
back through the ductwork
into the specially designed
Greenheck hood. The hood
then channels grease and rain
water into the restaurant’s floor
grease trap.
Vented Curb Extension:
Mounts between roof
curb and roof mounted
fans to meet NFPA
requirements of 40 in.
minimum discharge
above the roof when
mounted on a minimum
8 in. high roof curb.
Coatings: Wide variety of coatings and colors are
available for decorative to acidic applications.
Severe Duty Curb: Model SD is specifically
designed for the optional hurricane use. It is
attached directly to the building structure with
extremely high structural design load requirements.
Maximum design load is 130 psf.
Permatector™ is our standard coating.
Typically used for applications that
PERMATECTOR®
require corrosion resistance in indoor
and outdoor environments.
Drain Connection:
Allows for single point
drainage of grease, water
or other residues.
Hi-Pro Polyester is resistant to salt
water, chemical fumes and moisture in
HI-PRO
POLYESTER
more corrosive atmospheres. Typically
used for applications that require
superior chemical resistance, excellent
abrasion and outdoor UV protection. This
coating exceeds protective qualities of
Grease Trap: Aluminum
trap designed to collect
grease residue to avoid
drainage onto roof
surface.
HI-PRO
POLYESTER
Air Dried Heresite and Air Dry Phenolic.
Baked Enamel Decorative Coatings
BAKED
are heat cured enamels applied either
ENAMEL
Grease Trap with
as wet paints or electrostatic powders.
Customers can choose from 16 standard
decorative colors or color match any
color.
Absorbent Material:
Same as above with an
absorbent material to
collect grease residue
and repel water for easy
periodic disposal.
Windband Extension: Tube that raises fans
discharge an additional 36 in. for special code
requirements.
Tie Down Points: Four
brackets located on the
windband for securing
the fan in heavy wind
applications.
Curb Seal: Rubber seal between fan and curb to
assure proper sealing when attached to a curb.
Roof Curbs: Wide variety of roof curbs are
available for mounting the fan to the roof, including:
vented, flanged, pitched.
Velocity Accelerator: Increases fan outlet/
discharge velocity. Up to 3,000 feet per minute.
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Kitchen Ventilation
Solutions
Typical Installation - Commercial Kitchen (Grease)
The USGF is specifically designed for heavy restaurant grease
and food service applications. These fans are UL and cUL Listed
for grease removal and have been tested under high temperature
(400° F) and abnormal flare-up (600° F) conditions.
NEMA 3R
Disconnect
factory wired
from motor to
disconnect
through the
breather tube
(Optional)
Minimum 40"
Discharge
Height
Due to high temperatures and grease-laden airstreams in
commercial kitchen ventilation, system designers must be aware
of governing codes and guidelines. The National Fire Protection
Association (NFPA) is the primary source upon where many
codes for commercial kitchens ventilation are based. Selected
information from NFPA is shown below. Local code authorities
should be consulted before proceeding with any kitchen
ventilation project.
Welded Duct
by others
min. of 18 in.
above roof
deck per
Vented Curb
Extension
Grease
Trap
External Wiring
NFPA
Liquid Tight
Flexible Conduit
by Others
8"min.
Roof Deck
Recommended
Roof Opening
Exhaust fans used in kitchen ventilation applications must have
external wiring. (Wiring must not be installed in airstream.)
Installation must include a means for inspecting, cleaning and servicing the exhaust fan.
(e.g. Hinged Curb Cap)
No dampers are to be installed in the system.
Our Hoods and Filters.
Greenheck’s
1
Performance
Enhancing Lip
(PEL) helps direct
air to the filter and
improves capture and
performance
6
5
4
3
Full length, fully welded
integral grease trough
2
3
7
An integral 3-inch
airspace that meets
NFPA 96 clearance
requirements against
limited combustibles
2
1
Grease Grabber™
dual filtration system
works with the
Grease-X-Tractor™
filter to remove 80%
of the grease from
the kitchen exhaust.
Available in stainless
steel.
The high velocity
cartridge filters
offers dry cartridge
performance at
a lower cost.
Available in
aluminum or
stainless steel.
Constructed of 304 /
430 18 ga. stainless
steel.
4
5
Standing seam
construction for added
strength
Redesigned flat light
panels allows for lights
to be installed vertically
and simplified field
installation
6
7
Baffle type filters
are the traditional
choice for
inexpensive grease
removal. Available
in aluminum,
The Grease-X-
Tractor™ high
efficiency filter has
twice the grease
extraction capability
of a baffle filter.
Available in aluminum
or stainless steel.
Fully welded joints - no
caulk
stainless steel, or
non-stick coated.
ꢅ
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Typical Installation and
Anchoring
Typical Mounting - Fan to Curb
USGF
Size
Fasteners
Per Side
Total
Fasteners
140 - 160
180 - 200
5
5
20
20
Fasteners on each side of the
fan are to be installed with one
fastener 4 in. (102 mm) from each
edge and one fastener centered.
The remaining fasteners are to be
equally spaced.
Fastener 4 in. (102 mm)
1/4 in. (6 mm) fastener minimum
from curb edge
5/16 in. (8 mm) recommended
See table for fastener quantities
H-GPF or SD curb
Concrete Deck Anchoring
Outs4de of Roof Curb
1 4ni (25 mm) less than Fan Curb Cap
Use 3/8 4ni (10 mm) expans4on anchor
or equal 4nto concretei
Fasteners one on each corner as
deta4ledi
Each s4de at center of un4ti Max4mum
fastener spac4ng of 8 4ni (203 mm),
add add4t4onal fasteners to sat4sfyi
Corner Detail
1 4ni (25 mm) Insulat4on
H-GPF Curb He4ght
8 to 18 4ni (203 to 457 mm)
(Opt4onal 24 4ni (610 mm) SD Curb)
11 4ni (32 mm)
Roof Open4ng
2-1/2 4ni (64 mm)
Embedment Recommended
m4n4mum 1-5/8 4ni (41 mm)
M4n4mum Concrete
Strength of 2000 PSI
11 4ni
(32 mm)
M4n4mum 1-3/4 4ni (44 mm)
edge d4stance
Center fasteners
on flange
5 4ni (127 mm) Mount4ng Flange
Outs4de Flange
USGF
Size
Fan Curb Cap
Roof Opening
Fasteners Per Side
Outside Flange
141 - 161
180 - 200
22 x 22 (559 x 559)
30 x 30 (762 x 762)
181 x 181 (470 x 470)
201 x 201 (521 x 521)
5
7
31 x 31 (787 x 787)
39 x 39 (991 x 991)
All dimensions in inches (millimeters).
ꢆ
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Typical Anchoring
Metal Building/Steel Deck Anchoring
Outs4de of Roof Curb
1 4ni (25 mm) less than
Fan Curb Cap
Use #12-14 self-dr4ll4ng screws or equali
Fasteners one on each corner as deta4ledi
Corner Detail
Each s4de at center of un4ti Max4mum
fastener spac4ng of 8 4ni (203 mm), add
add4t4onal fasteners to sat4sfyi
1 4ni (25 mm) Insulat4on
H-GPF Curb He4ght
8 to 18 4ni (203 to 457 mm)
(Opt4onal 24 4ni (610 mm) SD Curb)
11 4ni (32 mm)
Roof Open4ng
Corrugated Roof Deck
11 4ni
(32 mm)
M4n4mum 12 ga Steel
Roof Truss
5 4ni (127 mm) Mount4ng Flange
Center fasteners
on flange
Outs4de Flange
USGF
Size
Fan Curb Cap
Roof Opening
Fasteners Per Side
Outside Flange
141 - 161
180 - 200
22 x 22 (559 x 559)
30 x 30 (762 x 762)
181 x 181 (470 x 470)
201 x 201 (521 x 521)
5
7
31 x 31 (787 x 787)
39 x 39 (991 x 991)
All dimensions in inches (millimeters).
Wood Deck Anchoring
Outs4de of Roof Curb
1 4ni (25 mm) less than
Fan Curb Cap
Use #12 Wood Screws or equal 4nto
m4n4mum Noi 1/Noi 2 Southern P4ne wood
supporti
Fasteners one on each corner as deta4ledi
Each s4de at center of un4ti Max4mum
fastener spac4ng of 6 4ni (152 mm), add
add4t4onal fasteners to sat4sfyi
Corner Detail
1 4ni (25 mm) Insulat4on
H-GPF Curb He4ght
8 to 18 4ni (203 to 457 mm)
(Opt4onal 24 4ni (610 mm) SD Curb)
11 4ni (32 mm)
Roof Open4ng
11 4ni
2 4ni (51 mm) M4n4mum Embedment
(32 mm)
Wood Deck4ng
5 4ni (127 mm) Mount4ng Flange
Center fasteners
on flange
Wood Support Member
Nom4nal 2 x 4, 6, 8
Outs4de Flange
USGF
Size
Fan Curb Cap
Roof Opening
Fasteners Per Side
Outside Flange
140 - 160
180 - 200
22 x 22 (559 x 559)
30 x 30 (762 x 762)
181 x 181 (470 x 470)
201 x 201 (521 x 521)
7
7
31 x 31 (787 x 787)
39 x 39 (991 x 991)
All dimensions in inches (millimeters).
Model Number Code
The Model number system is designed to completely identify the fan. The correct code letters must be
specified to designate the correct configuration. The remainder of the model number is determined by the
size and performance selected from the following pages.
USGF - 140 HP - 5
Configuration
Motor HP
Ultimate Steel Grease Fan
4 = 1⁄4 10 = 1
3 = 1⁄3 15 = 11⁄2
5 = 1⁄2 20 = 2
30 = 3
50 = 5
75 = 71⁄2
Fan Size
1ꢂ0 through ꢀ00
7 = 3⁄4
Pressure Level
HP - High Pressure Wheel
XP - Extended High Pressure Wheel
ꢇ
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USGF-140 - Belt Drive
287⁄8
(733)
293⁄4
*
(756)
193⁄8
(492)
13⁄4
26
(660)
(44)
Roof Opening = 181 x 181 (470 x 470)
Windband Thickness = 0.051 (1.3)
Motor Cover Thickness = 0.040 (1.0)
Curb Cap Thickness = 0.064 (1.6)
^Approximate Unit Weight = 125 lb. (57 kg)
All dimensions in inches (millimeters).
*May be greater depending on motor.
^Weight shown is largest cataloged Open Drip Proof motor.
CFM / Static Pressure in inches wg
Model
Number
Motor
hp
Fan
rpm
0
0.125
851
0.25
0.375
0.5
0.75
1
1.25
1.5
1.75
CFM
590 BHP
Sones
1069
0i04
5i0
USGF-140-4
1/4
MAXIMUM BHP AT A GIVEN RPM = (RPM/1726)3
MAXIMUM RPM = 1725
0i04
4i5
TIP SPEED (ft/min.) = RPM x 3.829
CFM
715 BHP
Sones
1295
0i06
6i0
1130
0i07
6i0
885
0i07
5i1
MAXIMUM MOTOR FRAME SIZE = 145T
AVERAGE DISCHARGE VELOCITY (FPM) = CFM/1.72
CFM
1521
0i10
7i1
1387
0i11
7i3
1217
0i11
6i8
969
0i11
6i2
840 BHP
Sones
CFM
1748
0i15
8i6
1635
0i16
8i7
1499
0i17
8i5
1333
0i17
8i1
1103
0i17
7i7
965 BHP
Sones
CFM
2001
0i23
10i9
2192
0i30
12i2
2337
0i36
13i2
2518
0i45
14i9
2708
0i56
17i2
2889
0i69
20
1906
0i24
10i8
2106
0i31
12i2
2258
0i38
13i3
2445
0i47
14i7
2640
0i58
16i5
2826
0i70
19i0
3066
0i88
23
1793
0i25
10i6
2006
0i32
11i7
2166
0i39
12i7
2362
0i48
14i2
2565
0i6
1667
0i26
10i3
1896
0i33
11i6
2065
0i40
12i6
2271
0i50
13i2
2483
0i61
15i6
2683
0i74
19i5
2936
0i92
24
1515
0i26
10i0
1773
0i34
11i2
1957
0i41
12i3
2174
0i51
12i9
2396
0i62
13i9
2602
0i75
16i1
2865
0i94
24
998
0i23
9i6
1105 BHP
Sones
CFM
1443
0i34
10i9
1691
0i42
12i0
1949
0i52
12i1
2202
0i64
12i5
2430
0i77
13i3
2711
0i97
15i1
USGF-140-3
USGF-140-5
1/3
1/2
1210 BHP
Sones
CFM
1221
0i37
11i3
1643
0i51
11i0
1967
0i65
12i2
2225
0i79
12i3
2539
0i99
13i4
1290 BHP
Sones
CFM
1390 BHP
Sones
CFM
1617
0i61
10i8
1968
0i78
12i6
2339
1i00
14i3
USGF-140-7
USGF-140-10
3/4
1495 BHP
Sones
16i3
2757
0i72
18i5
3005
0i90
22
CFM
1568
0i72
11i6
2085
0i98
13i8
1595 BHP
Sones
CFM
3125
0i87
26
1704
0i91
13i8
1
1725 BHP
Sones
Performance cert4f4ed 4s for 4nstallat4on type A: Free 4nlet, Free outleti Power rat4ng (BHP) does not 4nclude transm4ss4on lossesi Performance rat4ngs do not 4nclude the effects
of appurtenances (accessor4es)i The sound rat4ngs shown are loudness values 4n fan sones at 5 ft (1i5 m) 4n a hem4spher4cal free f4eld calculated per AMCA Standard 301i
Values shown are for 4nstallat4on type A: Free 4nlet hem4spher4cal sone levelsi The AMCA Cert4f4ed Rat4ngs Seal appl4es to sone rat4ngs onlyi
10
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USGF-140HP - Belt Drive
287⁄8
(733)
293⁄4
*
(756)
193⁄8
(492)
13⁄4
26
(660)
(44)
Roof Opening = 181 x 181 (470 x 470)
Windband Thickness = 0.051 (1.3)
Motor Cover Thickness = 0.040 (1.0)
Curb Cap Thickness = 0.064 (1.6)
^Approximate Unit Weight = 125 lb. (57 kg)
All dimensions in inches (millimeters).
*May be greater depending on motor.
^Weight shown is largest cataloged Open Drip Proof motor.
CFM / Static Pressure in inches wg
Model
Number
Motor
hp
Fan
rpm
0.5
331
0.75
1
1.25
1.5
1.75
2
2.25
2.5
2.75
CFM
895 BHP
Sones
USGF-140HP-4
1/4
MAXIMUM BHP AT A GIVEN RPM = (RPM/2285)3
MAXIMUM RPM = 2110
TIP SPEED (ft/min.) = RPM x 3.829
MAXIMUM MOTOR FRAME SIZE = 145T
AVERAGE DISCHARGE VELOCITY (FPM) = CFM/1.72
0i06
6i1
CFM
1037 BHP
Sones
566
0i10
6i7
CFM
733
563
0i14
9i2
1179 BHP
Sones
0i13
8i9
CFM
878
756
591
0i19
13i6
798
1321 BHP
Sones
0i18
12i1
1016
0i24
14i2
1146
0i31
15i2
1256
0i38
16i1
1363
0i46
17i0
1463
0i54
18i1
1528
0i60
18i9
1592
0i67
19i8
0i19
11i6
920
CFM
642
0i26
15i5
846
1465 BHP
Sones
0i26
13i5
1063
0i33
14i4
1178
0i40
15i4
1292
0i48
16i6
1399
0i57
17i7
1468
0i63
18i5
1536
0i70
19i3
0i26
13i2
965
CFM
704
0i34
15i2
USGF-140HP-3
USGF-140HP-5
1/3
1/2
1605 BHP
Sones
0i34
14i2
1098
0i42
15i0
1219
0i50
16i2
1330
0i59
17i4
1402
0i66
18i2
1473
0i72
19i1
0i34
14i0
999
CFM
879
0i43
14i7
1042
0i52
15i9
1176
0i62
17i1
1261
0i69
18i0
1341
0i77
18i9
747
0i42
15i7
924
1725 BHP
Sones
0i43
14i9
1137
0i52
16i0
1260
0i61
17i2
1335
0i68
18i0
1409
0i75
19i0
CFM
800
0i51
16i1
970
1845 BHP
Sones
0i52
15i6
1086
0i63
17i0
1175
0i70
17i8
1262
0i78
18i8
CFM
854
0i62
16i9
965
USGF-140HP-7
3/4
1960 BHP
Sones
0i62
16i8
1077
0i70
17i7
1178
0i78
18i6
CFM
826
0i67
17i8
965
2035 BHP
Sones
0i69
17i5
1073
0i78
18i5
CFM
804
0i73
20
2110 BHP
Sones
0i77
18i3
Performance cert4f4ed 4s for 4nstallat4on type A: Free 4nlet, Free outleti Power rat4ng (BHP) does not 4nclude transm4ss4on lossesi Performance rat4ngs do not 4nclude the effects
of appurtenances (accessor4es)i The sound rat4ngs shown are loudness values 4n fan sones at 5 ft (1i5 m) 4n a hem4spher4cal free f4eld calculated per AMCA Standard 301i
Values shown are for 4nstallat4on type A: Free 4nlet hem4spher4cal sone levelsi The AMCA Cert4f4ed Rat4ngs Seal appl4es to sone rat4ngs onlyi
11
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USGF-160 - Belt Drive
287⁄8
(733)
293⁄4
*
(756)
193⁄8
(492)
13⁄4
26
(660)
(44)
Roof Opening = 181 x 181 (470 x 470)
Windband Thickness = 0.051 (1.3)
Motor Cover Thickness = 0.040 (1.0)
Curb Cap Thickness = 0.064 (1.6)
^Approximate Unit Weight = 131 lb. (59 kg)
All dimensions in inches (millimeters).
*May be greater depending on motor.
^Weight shown is largest cataloged Open Drip Proof motor.
CFM / Static Pressure in inches wg
Model
Number
Motor
hp
Fan
rpm
0
0.125
1905
0i15
8i0
0.25
1669
0i15
7i8
0.375
1389
0i15
7i8
0.5
0.625
0.75
1
1.25
1.5
CFM
730 BHP
Sones
2098
0i13
8i1
USGF-160-4
1/4
MAXIMUM BHP AT A GIVEN RPM = (RPM/1365)3
MAXIMUM RPM = 1390
TIP SPEED (ft/min.) = RPM x 4.352
CFM
778 BHP
Sones
2236
0i16
8i9
2058
0i18
8i7
1843
0i19
8i5
1596
0i18
8i4
MAXIMUM MOTOR FRAME SIZE = 145T
AVERAGE DISCHARGE VELOCITY (FPM) = CFM/1.72
CFM
2374
0i20
9i9
2209
0i22
9i6
2010
0i22
9i3
1790
0i22
9i1
1512
0i21
9i0
826 BHP
Sones
CFM
2515
0i23
11i0
2774
0i31
12i4
2984
0i39
13i7
3191
0i47
15i0
3415
0i58
16i7
3636
0i70
18i5
3817
0i81
20
2362
0i26
10i6
2637
0i34
12i0
2857
0i42
13i3
3072
0i51
14i6
3304
0i62
16i3
3532
0i74
18i1
3718
0i85
19i6
3901
0i97
21
2177
0i26
10i1
2477
0i35
11i5
2712
0i43
12i8
2941
0i53
14i2
3186
0i64
15i8
3426
0i77
17i7
3619
0i89
19i2
3806
1i01
21
1974
0i26
9i9
1744
0i26
9i7
1365
0i24
9i7
875 BHP
Sones
CFM
2300
0i35
11i2
2552
0i44
12i4
2796
0i53
13i8
3053
0i65
15i4
3301
0i78
17i2
3502
0i90
18i7
3698
1i03
20
2109
0i35
10i8
2382
0i44
12i1
2641
0i54
13i5
2911
0i65
15i0
3172
0i79
16i8
3383
0i91
18i3
3584
1i04
19i9
1893
0i34
10i6
2199
0i43
11i8
2475
0i53
13i1
2764
0i66
14i7
3036
0i79
16i5
3253
0i91
18i0
3464
1i04
19i6
1584
0i33
10i5
1992
0i43
11i6
2297
0i52
12i9
2606
0i65
14i5
2894
0i79
16i3
3124
0i92
17i8
3340
1i05
19i4
USGF-160-3
USGF-160-5
1/3
1/2
965 BHP
Sones
CFM
1038 BHP
Sones
CFM
1770
0i49
12i2
2246
0i64
14i0
2583
0i78
15i8
2843
0i90
17i4
3078
1i04
19i0
1110 BHP
Sones
CFM
USGF-160-7
USGF-160-10
3/4
1188 BHP
Sones
CFM
2163
0i75
15i2
2510
0i89
16i9
2785
1i03
18i6
1265 BHP
Sones
CFM
1
1328 BHP
Sones
CFM
3996
0i93
22
2394
1i00
18i0
1390 BHP
Sones
Performance cert4f4ed 4s for 4nstallat4on type A: Free 4nlet, Free outleti Power rat4ng (BHP) does not 4nclude transm4ss4on lossesi Performance rat4ngs do not 4nclude the effects
of appurtenances (accessor4es)i The sound rat4ngs shown are loudness values 4n fan sones at 5 ft (1i5 m) 4n a hem4spher4cal free f4eld calculated per AMCA Standard 301i
Values shown are for 4nstallat4on type A: Free 4nlet hem4spher4cal sone levelsi The AMCA Cert4f4ed Rat4ngs Seal appl4es to sone rat4ngs onlyi
1ꢀ
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USGF-160HP - Belt Drive
287⁄8
(733)
293⁄4
*
(756)
193⁄8
(492)
13⁄4
26
(660)
(44)
Roof Opening = 181 x 181 (470 x 470)
Windband Thickness = 0.051 (1.3)
Motor Cover Thickness = 0.040 (1.0)
Curb Cap Thickness = 0.064 (1.6)
^Approximate Unit Weight = 131 lb. (59 kg)
All dimensions in inches (millimeters).
*May be greater depending on motor.
^Weight shown is largest cataloged Open Drip Proof motor.
CFM / Static Pressure in inches wg
0.875 1.25 1.5
Model
Number
Motor
hp
Fan
rpm
0.5
889
0.625
0.75
1
1.75
2
2.25
CFM
825 BHP
Sones
USGF-160HP-4
1/4
MAXIMUM BHP AT A GIVEN RPM = (RPM/1660)3
MAXIMUM RPM = 1690
TIP SPEED (ft/min.) = RPM x 4.352
MAXIMUM MOTOR FRAME SIZE = 145T
AVERAGE DISCHARGE VELOCITY (FPM) = CFM/1.72
0i12
7i0
CFM
910 BHP
Sones
1129
0i16
8i3
956
0i16
7i8
CFM
1331
0i21
9i6
1208
0i21
9i3
1042
0i21
8i8
995 BHP
Sones
CFM
1487
0i25
11i0
1697
0i32
12i8
1882
0i40
13i1
2053
0i48
14i4
2253
0i59
16i3
2433
0i70
18i1
2573
0i80
19i6
2722
0i92
21
1377
0i26
10i6
1608
0i33
12i7
1799
0i41
12i8
1975
0i49
13i8
2180
0i60
15i8
2368
0i72
17i7
2516
0i82
19i2
2671
0i94
21
1252
0i26
10i2
1504
0i34
12i2
1715
0i42
12i5
1897
0i50
13i3
2108
0i61
15i2
2301
0i73
17i2
2452
0i83
18i8
2611
0i95
21
1093
1065 BHP
Sones
0i26
9i8
CFM
1395
0i34
11i7
1617
0i43
12i0
1816
0i51
12i8
2036
0i63
14i7
2233
0i74
16i8
2387
0i85
18i4
2550
0i97
20
1252
0i34
11i3
1519
0i43
11i5
1724
0i52
12i3
1961
0i64
14i3
2165
0i76
16i4
2322
0i86
18i1
2488
0i98
20
USGF-160HP-3
USGF-160HP-5
1/3
1/2
1165 BHP
Sones
CFM
1218
0i42
10i6
1513
0i52
11i3
1790
0i65
13i5
2015
0i78
15i7
2190
0i89
17i5
2365
1i01
19i5
1255 BHP
Sones
CFM
1340 BHP
Sones
CFM
1577
0i65
12i3
1855
0i79
14i9
2037
0i90
16i9
2228
1i03
19i1
USGF-160HP-7
USGF-160HP-10
3/4
1441 BHP
Sones
CFM
1638
0i78
13i5
1863
0i91
15i8
2082
1i05
18i6
1535 BHP
Sones
CFM
1651
0i90
14i3
1899
1i05
16i9
1
1610 BHP
Sones
CFM
1664
1i03
15i0
1690 BHP
Sones
Performance cert4f4ed 4s for 4nstallat4on type A: Free 4nlet, Free outleti Power rat4ng (BHP) does not 4nclude transm4ss4on lossesi Performance rat4ngs do not 4nclude the effects
of appurtenances (accessor4es)i The sound rat4ngs shown are loudness values 4n fan sones at 5 ft (1i5 m) 4n a hem4spher4cal free f4eld calculated per AMCA Standard 301i
Values shown are for 4nstallat4on type A: Free 4nlet hem4spher4cal sone levelsi The AMCA Cert4f4ed Rat4ngs Seal appl4es to sone rat4ngs onlyi
1ꢁ
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USGF-160XP - Belt Drive
287⁄8
(733)
293⁄4
*
(756)
193⁄8
(492)
13⁄4
26
(660)
(44)
Roof Opening = 181 x 181 (470 x 470)
Windband Thickness = 0.051 (1.3)
Motor Cover Thickness = 0.040 (1.0)
Curb Cap Thickness = 0.064 (1.6)
^Approximate Unit Weight = 131 lb. (59 kg)
All dimensions in inches (millimeters).
*May be greater depending on motor.
^Weight shown is largest cataloged Open Drip Proof motor.
CFM / Static Pressure in nches wg
Model
Number
Motor
hp
Fan
rpm
1
1.25
1.5
1.75
2
2.25
2.5
2.75
3
3.25
CFM
1550 BHP
Sones
968
USGF-160XP-5
1/2
MAXIMUM BHP AT A GIVEN RPM = (RPM/2170)3
MAXIMUM RPM = 2525
TIP SPEED (ft/min.) = RPM x 3.534
MAXIMUM MOTOR FRAME SIZE = 145T
AVERAGE DISCHARGE VELOCITY (FPM) = CFM/1.72
0i34
10i0
1157
0i42
11i1
1322
0i52
12i1
1515
0i65
13i7
1599
0i71
14i3
1684
0i77
15i0
1861
0i93
16i6
1946
1i01
17i5
2076
1i17
19i0
2226
1i36
21
CFM
1648 BHP
Sones
854
0i39
10i2
1116
0i49
11i4
1359
0i63
13i1
1456
0i70
13i9
1552
0i78
14i7
1743
0i95
16i4
1834
1i03
17i3
1974
1i18
18i7
2134
1i36
20
CFM
726
0i43
10i9
1139
0i60
12i3
1271
0i68
13i2
1392
0i76
14i1
1611
0i94
15i9
1713
1i04
17i0
1865
1i2
1750 BHP
Sones
CFM
744
0i52
12i2
984
USGF-160XP-7
3/4
1880 BHP
Sones
CFM
1942 BHP
Sones
0i63
12i6
1161
0i72
13i4
1451
0i91
15i4
1578
1i01
16i4
1741
1i18
18i1
1926
1i40
20
CFM
777
0i63
13i6
2005 BHP
Sones
CFM
1226
0i87
14i8
1395
0i99
15i9
1597
1i16
17i5
1804
1i38
19i6
1946
1i56
21
869
0i78
15i1
1127
0i92
15i5
1415
1i12
17i1
1660
1i35
19i1
1828
1i53
21
USGF-160XP-10
USGF-160XP-15
1
2138 BHP
Sones
CFM
634
0i73
16i7
1134
1i04
16i8
1483
1i31
18i7
1676
1i50
20
2205 BHP
Sones
CFM
644
0i83
18i4
1225
1i23
18i7
1487
1i45
20
11
2310 BHP
Sones
18i5
2031
1i38
20
CFM
826
1i07
19i9
1221
1i35
20
2432 BHP
Sones
CFM
2339
1i52
22
2250
1i52
22
2155
1i54
22
2056
1i56
22
810
1i16
22
2525 BHP
Sones
Performance cert4f4ed 4s for 4nstallat4on type A: Free 4nlet, Free outleti Power rat4ng (BHP) does not 4nclude transm4ss4on lossesi Performance rat4ngs do not 4nclude the effects
of appurtenances (accessor4es)i The sound rat4ngs shown are loudness values 4n fan sones at 5 ft (1i5 m) 4n a hem4spher4cal free f4eld calculated per AMCA Standard 301i
Values shown are for 4nstallat4on type A: Free 4nlet hem4spher4cal sone levelsi The AMCA Cert4f4ed Rat4ngs Seal appl4es to sone rat4ngs onlyi
1ꢂ
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USGF-180 - Belt Drive
353⁄8
(899)
285⁄8
*
(727)
21
(533)
13⁄4
30
(762)
(44)
Roof Opening = 201 x 201 (521 x 521)
Windband Thickness = 0.051 (1.3)
Motor Cover Thickness = 0.040 (1.0)
Curb Cap Thickness = 0.064 (1.6)
^Approximate Unit Weight = 190 lb. (86 kg)
All dimensions in inches (millimeters).
*May be greater depending on motor.
^Weight shown is largest cataloged Open Drip Proof motor.
CFM / Static Pressure in inches wg
Model
Number
Motor
hp
Fan
rpm
0
0.125
2154
0i15
6i4
0.25
1861
0i16
5i5
0.5
0.75
1
1.25
1.5
1.75
2
CFM
630 BHP
Sones
2380
0i13
7i1
USGF-180-4
1/4
MAXIMUM BHP AT A GIVEN RPM = (RPM/1167)3
MAXIMUM RPM = 1495
TIP SPEED (ft/min.) = RPM x 4.843
MAXIMUM MOTOR FRAME SIZE = 184T
AVERAGE DISCHARGE VELOCITY (FPM) = CFM/2.92
CFM
745 BHP
Sones
2815
0i22
9i2
2617
0i24
8i6
2448
0i26
8i1
1763
0i25
7i1
CFM
3098
0i30
11i2
3551
0i45
13i8
3816
0i56
15i4
4061
0i67
16i5
4477
0i90
18i5
4817
1i12
21
2916
0i32
10i4
3389
0i47
13i5
3664
0i58
15i2
3919
0i70
16i2
4348
0i93
17i9
4697
1i15
20
2759
0i34
10i0
3243
0i49
13i1
3526
0i61
14i9
3786
0i73
15i8
4224
0i96
17i1
4578
1i19
19i5
4913
1i43
22
2257
0i34
9i0
USGF-180-3
USGF-180-5
USGF-180-7
1/3
1/2
3/4
820 BHP
Sones
CFM
2879
0i52
12i4
3242
0i65
14i7
3554
0i78
151i5
4005
1i01
16i5
4369
1i24
18i7
4710
1i49
21
2363
0i50
11i2
940 BHP
Sones
CFM
2799
0i64
13i7
3141
0i78
14i7
3703
1i04
16i0
4163
1i30
18i2
4532
1i56
21
2105
0i58
11i8
2652
0i75
13i3
3336
1i04
15i2
3799
1i30
17i5
4232
1i58
20
1010 BHP
Sones
CFM
1075 BHP
Sones
CFM
2841
0i99
14i4
3437
1i28
16i7
3912
1i58
19i2
4270
1i83
22
USGF-180-10
USGF-180-15
1
1185 BHP
Sones
CFM
2930
1i22
15i9
3537
1i54
18i3
3968
1i83
21
11
1275 BHP
Sones
CFM
5138
1i36
23
5026
1i39
23
3023
1i46
17i3
3567
1i76
19i5
3983
2i06
22
1360 BHP
Sones
CFM
5402
1i58
25
5296
1i62
25
5189
1i66
25
4993
1i72
24
4819
1i79
23
4593
1i83
22
3001
1i66
18i2
3564
1i99
21
USGF-180-20
2
1430 BHP
Sones
CFM
5648
1i80
28
5546
1i84
27
5443
1i89
27
5254
1i96
26
5082
2i02
25
4921
2i10
25
4598
2i10
24
4313
2i10
23
1495 BHP
Sones
Performance cert4f4ed 4s for 4nstallat4on type A: Free 4nlet, Free outleti Power rat4ng (BHP) does not 4nclude transm4ss4on lossesi Performance rat4ngs do not 4nclude the effects
of appurtenances (accessor4es)i The sound rat4ngs shown are loudness values 4n fan sones at 5 ft (1i5 m) 4n a hem4spher4cal free f4eld calculated per AMCA Standard 301i
Values shown are for 4nstallat4on type A: Free 4nlet hem4spher4cal sone levelsi The AMCA Cert4f4ed Rat4ngs Seal appl4es to sone rat4ngs onlyi
1ꢃ
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USGF-180HP - Belt Drive
353⁄8
(899)
285⁄8
*
(727)
21
(533)
13⁄4
30
(762)
(44)
Roof Opening = 201 x 201 (521 x 521)
Windband Thickness = 0.051 (1.3)
Motor Cover Thickness = 0.040 (1.0)
Curb Cap Thickness = 0.064 (1.6)
^Approximate Unit Weight = 190 lb. (86 kg)
All dimensions in inches (millimeters).
*May be greater depending on motor.
^Weight shown is largest cataloged Open Drip Proof motor.
CFM / Static Pressure in inches wg
Model
Number
Motor
hp
Fan
rpm
0.5
1570
0i22
8i3
0.75
1
1.25
1.5
1.75
2
2.25
2.5
2.75
CFM
795 BHP
Sones
USGF-180HP-4
1/4
MAXIMUM BHP AT A GIVEN RPM = (RPM/1315)3
MAXIMUM RPM = 1685
TIP SPEED (ft/min.) = RPM x 4.843
MAXIMUM MOTOR FRAME SIZE = 184T
AVERAGE DISCHARGE VELOCITY (FPM) = CFM/2.92
CFM
845 BHP
Sones
1799
0i26
9i5
CFM
2104
0i34
10i8
2581
0i50
13i8
3063
0i72
15i0
3253
0i82
16i7
3441
0i93
18i7
3735
1i13
22
1688
0i35
9i8
USGF-180HP-3
USGF-180HP-5
USGF-180HP-7
USGF-180HP-10
1/3
1/2
3/4
1
925 BHP
Sones
CFM
2323
0i52
12i5
2868
0i76
14i5
3066
0i87
15i8
3261
0i98
17i4
3566
1i19
21
1933
0i53
12i4
2626
0i78
14i0
2853
0i89
15i4
3075
1i02
17i0
3401
1i23
19i7
3728
1i48
22
1065 BHP
Sones
CFM
2286
0i79
13i4
2566
0i91
14i9
2839
1i04
16i6
3206
1i26
19i3
3574
1i53
21
1854
0i75
12i9
2209
0i89
14i3
1215 BHP
Sones
CFM
1275 BHP
Sones
CFM
2523
1i04
16i1
2964
1i27
18i9
3376
1i55
20
2156
1i01
15i6
2669
1i28
18i4
3135
1i56
19i8
3485
1i81
21
1335 BHP
Sones
CFM
2320
1i24
17i9
2859
1i57
19i3
3233
1i82
21
USGF-180HP-15
USGF-180HP-20
11
1430 BHP
Sones
CFM
4035
1i36
24
3884
1i43
23
2534
1i53
18i6
2965
1i82
20
1530 BHP
Sones
CFM
4273
1i58
25
4136
1i64
24
3986
1i70
23
3840
1i76
23
3674
1i79
22
2656
1i78
19i2
3061
2i08
21
2
1610 BHP
Sones
CFM
4495
1i79
27
4369
1i86
26
4226
1i93
25
4085
1i99
26
3945
2i04
24
3768
2i07
23
3575
2i08
22
3325
2i09
21
2766
2i04
20
1685 BHP
Sones
Performance cert4f4ed 4s for 4nstallat4on type A: Free 4nlet, Free outleti Power rat4ng (BHP) does not 4nclude transm4ss4on lossesi Performance rat4ngs do not 4nclude the effects
of appurtenances (accessor4es)i The sound rat4ngs shown are loudness values 4n fan sones at 5 ft (1i5 m) 4n a hem4spher4cal free f4eld calculated per AMCA Standard 301i
Values shown are for 4nstallat4on type A: Free 4nlet hem4spher4cal sone levelsi The AMCA Cert4f4ed Rat4ngs Seal appl4es to sone rat4ngs onlyi
1ꢄ
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USGF-200 - Belt Drive
353⁄8
(899)
285⁄8
*
(727)
21
(533)
13⁄4
30
(762)
(44)
Roof Opening = 201 x 201 (521 x 521)
Windband Thickness = 0.051 (1.3)
Motor Cover Thickness = 0.040 (1.0)
Curb Cap Thickness = 0.064 (1.6)
^Approximate Unit Weight = 213 lb. (97 kg)
All dimensions in inches (millimeters).
*May be greater depending on motor.
^Weight shown is largest cataloged Open Drip Proof motor.
CFM / Static Pressure in inches wg
Model
Number
Motor
hp
Fan
rpm
0
0.125
2386
0i15
5i4
0.25
1822
0i15
4i6
0.375
0.5
0.75
1
1.25
1.5
1.75
CFM
500 BHP
Sones
2812
0i14
6i2
USGF-200-4
1/4
MAXIMUM BHP AT A GIVEN RPM = (RPM/946)3
MAXIMUM RPM = 1210
TIP SPEED (ft/min.) = RPM x 5.595
CFM
605 BHP
Sones
3403
0i25
8i1
3054
0i26
7i4
2675
0i26
6i7
2144
0i25
6i1
MAXIMUM MOTOR FRAME SIZE = 184T
AVERAGE DISCHARGE VELOCITY (FPM) = CFM/2.92
CFM
3740
0i33
9i4
3422
0i34
8i8
3096
0i35
8i1
2699
0i35
7i5
2073
0i33
7i0
USGF-200-3
USGF-200-5
USGF-200-7
1/3
1/2
3/4
665 BHP
Sones
CFM
4275
0i49
12i1
4612
0i61
14i1
4922
0i75
16i3
5400
0i98
18i7
5793
1i22
21
3994
0i51
11i7
4350
0i63
14i1
4676
0i77
16i3
5176
1i01
18i4
5585
1i24
21
3718
0i52
10i9
4098
0i65
13i0
4439
0i78
15i2
4958
1i03
17i7
5380
1i26
20
3413
0i52
10i1
3828
0i65
12i2
4192
0i79
14i7
4742
1i04
17i0
5179
1i28
19i2
5610
1i55
22
3048
0i51
9i4
760 BHP
Sones
CFM
3523
0i65
11i4
3922
0i79
13i5
4508
1i04
16i4
4968
1i29
18i7
5421
1i57
21
2606
0i61
10i7
3240
0i78
12i4
3985
1i04
15i0
4503
1i29
17i5
5006
1i57
20
820 BHP
Sones
CFM
875 BHP
Sones
CFM
3169
1i00
14i4
3917
1i27
16i4
4529
1i57
19i3
4948
1i81
20
USGF-200-10
USGF-200-15
1
960 BHP
Sones
CFM
2972
1i18
16i8
3861
1i53
18i6
4410
1i80
19i2
4892
2i08
19i8
11
1030 BHP
Sones
CFM
6187
1i48
23
5992
1i51
23
5798
1i53
23
1100 BHP
Sones
CFM
6496
1i72
24
6311
1i74
24
6125
1i77
23
5946
1i79
23
5767
1i81
22
5383
1i81
21
3629
1i71
19i9
4289
2i04
19i7
USGF-200-20
2
1155 BHP
Sones
CFM
6806
1i97
25
6628
2i00
24
6451
2i03
23
6279
2i05
23
6108
2i07
22
5748
2i09
21
5350
2i09
21
3365
1i88
21
1210 BHP
Sones
Performance cert4f4ed 4s for 4nstallat4on type A: Free 4nlet, Free outleti Power rat4ng (BHP) does not 4nclude transm4ss4on lossesi Performance rat4ngs do not 4nclude the effects
of appurtenances (accessor4es)i The sound rat4ngs shown are loudness values 4n fan sones at 5 ft (1i5 m) 4n a hem4spher4cal free f4eld calculated per AMCA Standard 301i
Values shown are for 4nstallat4on type A: Free 4nlet hem4spher4cal sone levelsi The AMCA Cert4f4ed Rat4ngs Seal appl4es to sone rat4ngs onlyi
1ꢅ
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USGF-200HP - Belt Drive
353⁄8
(899)
285⁄8
*
(727)
21
(533)
13⁄4
30
(762)
(44)
Roof Opening = 201 x 201 (521 x 521)
Windband Thickness = 0.051 (1.3)
Motor Cover Thickness = 0.040 (1.0)
Curb Cap Thickness = 0.064 (1.6)
^Approximate Unit Weight = 213 lb. (97 kg)
All dimensions in inches (millimeters).
*May be greater depending on motor.
^Weight shown is largest cataloged Open Drip Proof motor.
CFM / Static Pressure in inches wg
Model
Number
Motor
hp
Fan
rpm
0.5
2024
0i31
8i1
0.75
1
1.25
1.5
1.75
2
2.25
2.5
2.75
CFM
740 BHP
Sones
USGF-200HP-5
USGF-200HP-7
1/2
MAXIMUM BHP AT A GIVEN RPM = (RPM/1093)3
MAXIMUM RPM = 1600
TIP SPEED (ft/min.) = RPM x 5.595
MAXIMUM MOTOR FRAME SIZE = 184T
AVERAGE DISCHARGE VELOCITY (FPM) = CFM/2.92
CFM
880 BHP
Sones
2779
0i51
10i5
3094
0i62
12i2
3397
0i75
14i5
3851
0i98
16i9
4207
1i20
19i0
4558
1i44
22
2317
0i52
9i5
CFM
2711
0i64
11i5
3067
0i78
13i7
3561
1i02
16i2
3944
1i24
18i1
4312
1i49
21
2092
0i62
10i6
2637
0i79
13i2
3242
1i04
15i7
3661
1i27
17i5
4055
1i53
20
3/4
945 BHP
Sones
CFM
1010 BHP
Sones
CFM
2806
1i04
15i5
3321
1i29
17i3
3789
1i56
19i7
4116
1i79
21
USGF-200HP-10
USGF-200HP-15
1
1110 BHP
Sones
CFM
2850
1i26
17i5
11
1190 BHP
Sones
CFM
3433
1i56
19i3
3826
1i82
21
2944
1i53
19i8
3482
1i82
21
1270 BHP
Sones
CFM
4837
1i67
23
4606
1i71
23
4369
1i76
22
2946
1i75
22
USGF-200HP-20
USGF-200HP-30
2
3
1335 BHP
Sones
CFM
5110
1i91
24
4898
1i96
24
4674
2i01
24
4436
2i05
23
4195
2i09
21
3880
2i09
22
3515
2i08
23
1400 BHP
Sones
CFM
5382
2i18
26
5186
2i23
25
4972
2i28
25
4752
2i33
25
4521
2i37
23
4269
2i40
23
3956
2i40
24
3556
2i37
25
1465 BHP
Sones
CFM
5943
2i81
29
5775
2i88
28
5581
2i93
29
5385
2i99
30
5182
3i03
29
4971
3i08
26
4760
3i13
24
4476
3i13
26
4189
3i13
28
3760
3i06
31
1600 BHP
Sones
Performance cert4f4ed 4s for 4nstallat4on type A: Free 4nlet, Free outleti Power rat4ng (BHP) does not 4nclude transm4ss4on lossesi Performance rat4ngs do not 4nclude the effects
of appurtenances (accessor4es)i The sound rat4ngs shown are loudness values 4n fan sones at 5 ft (1i5 m) 4n a hem4spher4cal free f4eld calculated per AMCA Standard 301i
Values shown are for 4nstallat4on type A: Free 4nlet hem4spher4cal sone levelsi The AMCA Cert4f4ed Rat4ngs Seal appl4es to sone rat4ngs onlyi
1ꢆ
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Specifications
Spun steel exhaust fans shall be centrifugal belt driven type. Fan wheel shall be centrifugal backward
inclined type. The wheel shall be constructed of steel and coated with a non-stick coating similar to Teflon®
as manufactured by Du Pont®. Wheel shall include a wheel cone carefully matched to the inlet cone for
precise running tolerances. Wheels shall be statically and dynamically balanced.
The fan housing shall be constructed of 16 gauge galvaneal steel with a rigid internal support structure and
shall be leakproof. The fan housing shall be constructed with a one piece windband with an integral rolled
bead for added strength and shall be joined to the curb cap with a continuously welded seam.
Fan’s windband shall have a clean out port, a 4-inch diameter hole on the outside of the fan’s windband
with a grease repellent compression rubber fit, allowing access to entire wheel for cleaning.
Motors shall be heavy duty ball bearing type, carefully matched to the fan load, and furnished at the
specified voltage, phase and enclosure. Drive frame assembly shall be constructed of heavy gauge
galvanized steel. Motors and drives shall be mounted on heavy duty true vibration isolators, out of the
airstream. Fresh air for motor cooling shall be drawn into the motor compartment through a ten square inch
tube free of discharge contaminants. Motors and drives shall be readily accessible for maintenance.
Precision ground and polished 1-inch minimum diameter fan shafts shall be mounted in cast pillow block
lubricatable ball bearings. Bearings shall be selected for a minimum L10 life in excess of 100,000 hours
(L50 average life of 500,000 hours) at maximum cataloged operating speed. Dual drives shall be sized for a
minimum of 150% of driven horsepower. Pulleys shall be of the cast type, keyed and securely attached to
the wheel and motor shafts.
Motor pulleys shall be adjustable for final system balancing. All fans shall have a dual belt and pulley
system. A NEMA-3R disconnect switch shall be factory installed and wired from the fan motor to a junction
box installed outside the motor compartment.
All fans shall bear the AMCA Certified Ratings Seal
for sound and air performance.
Each fan shall bear a permanently affixed
manufacturer’s engraved metal nameplate containing
the model number and individual serial number for
future identification.
Fans shall be Listed by Underwriters Laboratory for
UL/cUL 762 Listed for all electrical components and
grease removal.
Hinge kit shall be constructed of heavy gauge
hinges and shall include hold open cables for field
installation.
Grease trap shall include the drain connection. The
unit shall collect grease and water from the fan and
extract the grease from the water for ease of grease
disposal.
Fans shall be model USGF as manufactured by
Greenheck Fan Corporation in Schofield, Wisconsin.
1ꢇ
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Additional Grease
Exhaust Solutions
Series C models CUE, CUBE, CW and CWB are commonly used for
general clean air, mild grease and fume hood exhaust applications.
Both Roof Upblast and Sidewall configurations are specifically
designed to discharge air directly away from the mounting surface.
These models are constructed of aluminum and use an aluminum
backward inclined wheel. They are UL Listed for electrical or grease.
Performance capacities ranges up to 5 in. wg (1250 Pa) and up to
3
30,000 cfm (51,000 m /hr).
Model SWB centrifugal backward inclined belt driven utility fans are
designed for supply, exhaust and return air applications requiring higher
discharge velocities and high static pressures. The SWB Series 100 is for
general clean air applicators. The SWB Series 200 fans are constructed
with heavy gauge steel. Designed for light industrial duty and grease
applications with capacities ranges up to 2,7000 cfm (45,900 m3/hr) and up
to 5 in. wg (1250 Pa) of static pressure. SWB fans can be mounted indoors
or outdoors.
Model TCB inline belt driven fans are the ideal choice for installations
with straight-through air flow in ducted systems. The wheels used are
designed to provide higher efficiencies and lower sound levels. The fan
itself can be mounted horizontally or vertically. Performance capacities
3
ranges up to 24,000 cfm (40,800 m /hr) and up to 4 in. wg (1,000 Pa) of
static pressure.
Building Value in Air
Greenheck delivers value
to mechanical engineers by
helping them solve virtually
any air quality challenges
their clients face with a
top quality, innovative air-
related equipment. We offer
extra value to contractors
by providing easy-to-install,
competitively priced, reliable
products that arrive on time.
And building owners and
occupants value the energy
efficiency, low maintenance
and quiet dependable operation
they experience long after the
construction project ends.
comprehensive selection of
Our Warranty
Greenheck warrants this equipment to be free from defects in material and workmanship for a period
of one year from the purchase date. Any units or parts which prove defective during the warranty
period will be replaced at our option when returned to our factory, transportation prepaid. Motors are
warranted by the motor manufacturer for a period of one year. Should motors furnished by Greenheck
prove defective during this period, they should be returned to the nearest authorized motor service
station. Greenheck will not be responsible for any removal or installation costs.
As a result of our commitment to continuous improvement, Greenheck reserves the right to change
specifications without notice.
Prepared to Support
Green Building Efforts
Catalog USGF Rev. 5 February 2008
Copyright © 2008 Greenheck Fan Corp.
P.O. Box 410 • Schofield, WI 54476-0410 • Phone (715) 359-6171 • greenheck.com
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