Low Silhouette Centrifugal Roof Exhausters (Models LD/LDP/LB/LBP)

Low Silhouette Centrifugal Roof Exhausters (Models LD/LDP/LB/LBP)
Centrifugal Roof Exhaust Fans
Series L
Low Silhouette
Louvered Penthouse Style
LDP/LBP
Fabra Hood Style
LD/LB
May
2009
Series L
Centrifugal Roof Exhaust Fans
Greenheck’s Series L, low silhouette, models LD, LB, LDP, and LBP centrifugal roof exhaust fans
provide the industry’s best performance and durability for general clean air applications.
• Broadest performance in the industry, up to 1.25 in. wg (311 Pa) and 37,500 cfm (63,713 m3/hr).
• Performance as cataloged is assured. All fan sizes are tested in our AMCA Accredited Laboratory,
and all models are licensed to bear the AMCA sound and air performance seals.
• UL Listed for electrical.*
• Greenheck subjects these products to extensive life testing, assuring you the fans will provide
years of reliable performance.
Greenheck Fan Corporation certifies the
models LD, LDP, LB, and LBP shown
herein are licensed to bear the AMCA
seal. The ratings shown are based on
tests and procedures performed in
accordance with AMCA Publication 211
and AMCA Publication 311 and comply
with the requirements of the AMCA
Certified Ratings Program.
*UL is optional and must be specified.
Models LD, LDP, LB, and LBP are
listed for electrical (UL/cUL 705)
File no. E40001.
Leading Edge Technical Support
When you need extensive product or installation and operating manual (IOM)
information, our products are supported by the industry’s best product literature,
electronic media and computer aided product selection (CAPS) program. 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
Quick Build Programs
Our Quick Build (QB) Program ensures rapid response time when your needs
require a fast turnaround. Select from more than 40 configurations of the
Series L, low silhouette model fan and we will manufacture and ship them
within ten days. We have strategically located many warehouses across the
United States and internationally to fill your request at a moments notice.
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 roof 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.
2
Unique Construction Features
Fabra Hood Style
Louvered Penthouse Style
• Hinged Hood - All sizes feature a hood
which may be hinged to provide quick
access to the motor and drive assembly.
Access may be gained by simply removing
two of the four hood fasteners or all
fasteners for complete removal.
• Hinged Cover - All sizes feature an
aluminum cover which may be hinged to
provide quick access to the motor and
drive assembly. Covers are fastened down
with a quick release hood latch.
• Large Interior Dimensions - All sizes allow
complete accessibility. Interior dimensions
offer clearance for inspection, cleaning, or
maintenance of the motor, wheel, belt(s),
and drives.
• Strength & Weather Resistance - The
hood is designed with arched panels
manufactured of heavy gauge, precision roll
formed steel with interlocking edges. Each
interlocking rib creates a tight, weather
resistant seal. Heavy gauge steel support
members provide structural strength.
The first hood was put into service over
30 years ago.
Greenheck’s interlocking rib design combines
four material thicknesses with I-beam
design principles
producing a
hood far superior
in strength to
conventional
designs (an
important feature
in high wind and
snow load regions).
Formed channels adjacent to the ribs provide
water drainage to ensure weather tightness.
Hoods are available in galvanized steel,
coated steel, or aluminum construction.
• Large Interior Dimensions - All sizes allow
complete accessibility from above. Interior
dimensions offer clearance for inspection,
cleaning, or maintenance of the motor,
wheel, belt(s), and drives.
• Strength & Weather Resistant - Each unit
features storm resistant aluminum louver
blades with mitered corners. For decades,
our storm resistant blades have proven
highly effective. Each sturdy extruded
aluminum louver blade has a material
thickness of 0.080 inches.
Greenheck’s louvered
penthouse hoods
feature heavy gauge
extruded aluminum
louvers with mitered
corners for a clean,
finished appearance
and weather resistant
construction.
The interior vertical edge of the curb cap
forms the throat and weathershield. Each
corner is also shielded to prevent leakage.
Penthouses are available in aluminum for
lasting durability and appearance.
3
1
6
12
10
5
2
9
15
11
14
13
LB/LD
Fabra Hood Style
8
4
6
10
13
11
7
5
9
3
LBP/LDP
Louvered Penthouse Style
4
Unique Construction Features
1 Fabra HOOD Style - Models LD and LB have
a rib-lock galvanized housing. Hood panels are
interlocked and attached to sturdy galvanized
rails. (Aluminum housings are optional).
2 Hinged Access - The entire hood assembly
on models LD and LB can be hinged open for
access to the internal fan components.
3 Louvered Penthouse - Models LDP and
LBP penthouse style housings are constructed
of heavy extruded aluminum louvers with
mitered and welded corners.
4 Hood Cover - Models LDP and LBP
aluminum hood covers are hinged and
removable for access.
5 Drive Frame - Constructed from heavy
gauge galvanized steel. Belt adjustment is
accomplished by loosening fasteners, sliding
the motor plate, and retightening fasteners.
6 Fan Shaft - Precisely sized, ground, and
polished so the first critical speed is at least
25% over the maximum operating speed. Close
tolerances between the shaft and bearing result
in longer bearing life.
7 BEARINGS - 100% factory tested and designed
specifically for air handling applications with
a minimum L10 life in excess of 100,000 hours
(L50 average life of 500,000 hours).
8 Curb Cap - Curb cap has prepunched
mounting holes to ensure correct attachment to
the curb.
9
Motor - All motors are carefully matched to
the fan load to provide years of trouble free
operation.
10 Drive Assembly - Drives are oversized 150%
of driven horsepower. Machined cast iron
pulleys are factory set to the required RPM and
are adjustable for final system balancing. Belts
are static free and oil resistant.
11 Wheel - An aluminum, backward inclined,
non-overloading, centrifugal wheel is utilized
to deliver maximum efficiency. Each wheel is
statically and dynamically balanced.
12 Vibration Isolators - Support the drive
assembly and wheel without steel to steel
contact providing long life and quiet operation.
13 Birdscreen - Galvanized rigid wire protects
the fan’s discharge from birds or small objects.
(Aluminum birdscreen is optional).
14 Windband - Lower windband assembly
ensures weathertight and rigid unit
construction.
15 Disconnect Switch - NEMA-1 switch is
factory mounted. Wiring from the motor to the
disconnect enclosure is provided as standard.
All wiring and electrical components comply
with the National Electric Codes (NEC) and are
UL Listed or Recognized.
16 Conduit Chase - A large diameter conduit for
installing electrical wiring through the curb cap
into the motor compartment. (Not shown)
Standard Installation
Models LB, LD, LBP, and LDP exhaust fans are designed
to meet the needs of general clean air applications. Tests
have been conducted to ensure safe and reliable fans
capable of withstanding normal exhaust conditions.
When roofing materials extend to the top of the curb,
roof curbs should be 11⁄2 in. (38 mm) (3/4 in. (19 mm) on
a side) less than the unit curb cap to allow for roofing
and flashing.
For recommended duct size, damper size, and
roof opening dimensions, refer to CAPS or the
performance data pages.
8 to 12 in.
(203 to 305 mm)
3/4 in.
(19 mm)
Installation must include a means for inspecting,
cleaning, and servicing the exhaust fan.
Due to the varying airstreams encountered in
commercial ventilation, system designers must
be aware of national, state, and local codes and
guidelines governing these installations. Local code
authorities should be consulted before proceeding
with any ventilation project.
Damper
1 1/4 in.
(32 mm)
Recommended
Duct and
Damper Size
1 1/4 in.
(32 mm)
Recommended
Roof Opening
5
Options and Accessories
BIRDSCREEN - Galvanized mesh is standard.
Optional aluminum or stainless steel rigid wire are
also available.
HOOD INSULATION - Hood insulation is dualdensity to minimize condensation, reduce thermal
transfer, and enhance sound absorption at high and
low frequencies.
LIFTING LUGS - Four heavy gauge steel brackets
are available to provide lifting points when raising
the fan to the roof.
Tie Down Points - Four heavy gauge steel
brackets are available to secure the fan in heavy
wind applications. Cables and anchors by others.
COATINGS - All Greenheck coatings and resistance
charts can be found in the performance coatings
catalog. A wide variety of coatings and colors are
available in two categories:
Decorative coatings – Sixteen standard colors
are available.
Protective coatings – Five electrostatic applied
powder coatings are available to protect against
most environments.
DAMPERS - Designed to
prevent outside air from
entering back into the building
when fan is off. Options include
gravity and motorized dampers.
Damper sizes are shown on
each performance data page.
CURB SEAL - Rubber seal between fan and curb
to ensure proper sealing when attached to a curb.
6
DISCONNECT SWITCHES A wide selection of NEMA
rated switches are available
for positive electrical shutoff
and safety, including: dusttight, rainproof, and corrosionresistant. Switches may be
internally or externally mounted.
SPEED CONTROLLERS - Available for use with
shaded pole and permanent split capacitor (PSC)
open motors on models LD and LDP fans. They
provide an economical means of system balancing
with direct drive fans.
CURB EXTENSIONS - Extensions raise the fan
discharge above the roof line and provide an
accessible mounting location for dampers.
Insect screen bases
constructed with
a removable
fine mesh are
recommended for
applications where insect
entry must be prevented. Curb
extensions are not available with LDP and
LBP severe duty construction models.
ROOF CURBS - Prefabricated roof curbs reduce
installation time and costs by ensuring compatibility
between the fan, curb and roof opening. All curbs
are insulated with fiberglass.
A wide variety of roof curbs
are available including
flanged, pitched and
sound-absorbing.
Severe Duty Option
severe duty - Specifically designed for applications with extremely
high structural design load requirements. The severe duty models LDP
and LBP are far superior to any centrifugal roof exhaust fan currently
in the market. Designed with structural steel supports and ESD-603D
louver blades, the severe duty louver enclosure (SDLE) may be used
in any application which requires a fan to endure high winds with the
potential of wind blown debris. The louvered housing has been tested
in accordance with the following Miami-Dade test protocols:
• Large Missile Impact Test - TAS-201-94
• Uniform Static Air Pressure - TAS-202-94
• Uniform Cyclic Wind Loading - TAS-203-94
To meet the above protocols, the severe duty fan must be mounted
on a severe duty roof curb, which is attached directly to the building
structure. Maximum design load is 140 psf.
NOTICE OF ACCEPTANCE
NUMBER 08-0429.05
Available on sizes
• LDP - 60 though 120
• LBP - 10 through 30
Weights and dimensions will vary from standard LDP and LBP construction.
Severe Duty Installation
Models LDP and LBP severe duty exhaust fans are designed to meet the needs of general clean
air applications. Tests have been conducted to ensure safe, rugged and reliable fans capable of
withstanding severe exhaust conditions.
The severe duty roof curb model SD is
supplied with this product and is designed
with 12 gauge welded steel construction.
Greenheck recommends the severe duty curb
to be anchored to the structure of the building.
Dependent upon roofing material it shall be
bolted and welded. For recommended duct
size, refer to CAPS or installation manual.
Installation must include a means for
inspecting, cleaning, and servicing the
exhaust fan.
Due to the varying airstreams encountered
in commercial ventilation, system designers
must be aware of national, state, and local
codes and guidelines governing these
installations. Local code authorities should
be consulted before proceeding with any
ventilation project.
3/4 INCH (19 MM)
THROAT DIMENSION
(ROOF OPENING)
1-3/4 INCH (44 MM)
1-3/4 INCH (44 MM)
OUTSIDE CURB DIMENSION
12, 18 OR 24 INCHES
1 INCH (25 MM) INSULATION
(305, 457, 610 MM)
ROOF OPENING
4 IN.
4 IN.
(102 MM)
(102 MM)
CORRUGATED
ROOF DECK
CONCRETE
ROOF TRUSS
RECOMMENDED
DUCT & DAMPER SIZE
4 IN.
(102 MM)
1-1/4 INCH (32 MM)
2-1/2 INCH (64 MM)
6 INCH x 3 INCH
(152 MM x 76 MM)
STEEL MOUNTING ANGLE
2-1/2 INCH (64 MM)
1-3/4 INCH
(44 MM)
4 IN
(102 MM)
(12 GAUGE MINIMUM)
7
Severe Duty Dimensions
LDP - SEVERE DUTY DIMENSIONS
C
B
D
E
A
A
LBP - SEVERE DUTY DIMENSIONS
B
C
D
E
A
Model
Number
LDP
60
65
70
75
80
85
90
95
100
120
10
14
18
LBP
21
24
30
A
B
A
C
D
E
Damper
Size
(square)
Roof
Opening
(square)
Weight*
17
347⁄8
347⁄8
175⁄8
13⁄4
8
101⁄2
375
(432)
(886)
(886)
(448)
(44)
(203)
(267)
(170)
19
367⁄8
367⁄8
175⁄8
13⁄4
10
121⁄2
400
(483)
(934)
(934)
(448)
(44)
(254)
(318)
(181)
22
397⁄8
397⁄8
195⁄8
13⁄4
12
141⁄2
425
(559)
(1013)
(1013)
(498)
(44)
(305)
(368)
(193)
22
397⁄8
503⁄8
181⁄8
13⁄4
12
101⁄2
550
(559)
(1013)
(1280)
(460)
(44)
(305)
(267)
(249)
26
437⁄8
517⁄8
181⁄8
13⁄4
16
101⁄2
550
(660)
(1114)
(1318)
(460)
(44)
(406)
(267)
(249)
101⁄2
550
30
477⁄8
577⁄8
245⁄8
13⁄4
18
(267)
(249)
(762)
(1216)
(1470)
(625)
(44)
(457)
10 ⁄2
700
(267)
(318)
1
34
517⁄8
617⁄8
245⁄8
13⁄4
24
101⁄2
800
(864)
(1318)
(1572)
(625)
(44)
(610)
(267)
(363)
40
577⁄8
697⁄8
271⁄4
13⁄4
30
101⁄2
950
(1016)
(1470)
(1775)
(692)
(44)
(762)
(267)
(431)
Cover
Thickness
Louver
Thickness
Curb Cap
Thickness
0.100
0.125
0.25
(0.045)
(0.056)
(0.113)
aluminum
aluminum
steel
0.100
0.125
0.25
(0.045)
(0.056)
(0.113)
aluminum
aluminum
steel
All dimensions are in inches (millimeters). Weight in pounds (kilograms). *Weight shown is the largest cataloged Open Drip Proof motor.
8
Severe Duty Curb
Installation Options
OUTSIDE CURB DIMENSION
1.75 INCH (44 MM)
THROAT DIMENSION
(ROOF OPENING)
1.75 INCH (44 MM)
Concrete
CURB HEIGHT
12, 18, OR 24 INCHES
1 INCH (25 MM) INSULATION
(305, 457, or 610 MM)
HILTI KB11, 3/8-16 X 3 ON
12 INCH (305 MM) MAXIMUM CENTERS.
MINIMUM TWO PER SIDE.
ROOF OPENING
2.5 INCH (57 MM)
EMBEDMENT
MINIMUM CONCRETE
STRENGTH OF 3000 PSI
1.75 INCH (44 MM)
4 INCH (102 MM)
MOUNTING FLANGE
TYPICAL
2.25 INCH (57 MM) TYPICAL
4 INCH (102 MM) TYPICAL
OUTSIDE FLANGE DIMENSION
THROAT DIMENSION AND ROOF OPENING EQUAL OUTSIDE CURB DIMENSION MINUS 3.5 INCHES (89 MM)
OUTSIDE CURB DIMENSION
1.75 INCH (44 MM)
Steel
THROAT DIMENSION
(ROOF OPENING)
CURB HEIGHT
12, 18, OR 24 INCHES
1.75 INCH (44 MM)
CORNER TOP VIEW
1 INCH (25 MM) INSULATION
(305, 457, 610 MM)
HILTI KWIK-FLEX 12-14 SCREW, NO. 3 POINT.
THREE (3) FASTENERS EACH CORNER AND
MAXIMUM OF 4.5 INCHES (114 mm) SPACING;
ADD ADDITIONAL FASTENERS TO SATISFY.
4 INCH (102 MM)
MOUNTING FLANGE
TYPICAL
ROOF OPENING
CORRUGATED
ROOF DECK
6 X 3 INCH (152 x 76 mm)
STEEL MOUNTING ANGLE
(12 GAUGE MINIMUM)
ROOF TRUSS
1.75 INCH (44 MM)
2.25 INCH (57 MM) TYPICAL
4 INCH (102 MM) TYPICAL
OUTSIDE FLANGE DIMENSION
THROAT DIMENSION AND ROOF OPENING EQUAL OUTSIDE CURB DIMENSION MINUS 3.5 INCHES (89 MM)
Model Number Code
The model number system is designed to completely identify the fan. The correct code letters must be
specified to designate belt or direct drive. The remainder of the model number is determined by the size
and performance selected from the following pages.
LB - 30 - 7
Model
LD - Fabra Hood Direct Drive
LB - Fabra Hood Belt Drive
LDP - Louvered Penthouse Direct Drive
LBP - Louvered Penthouse Belt Drive
Fan Size
LD/LDP 60 thru 120
LB/LBP 10 thru 54
Motor hp (Belt Drive only)
6 = 1/6 10 = 1
50 = 5
4 = 1/4 15 = 11⁄2 75 = 71⁄2
3 = 1/3 20 = 2
100 = 10
5 = 1/2 30 = 3
150 = 15
7 = 3/4
Motor RPM
A = 1725
B = 1140
C = 860
(Direct Drive only)
9
LD/LDP 60-75
Direct Drive
LD Dimensions
131⁄2
(559)
Size 60 and 65
27
0.6
Static Pressure Pa
13
2
17
(432)
(44)
0.5
120
(330)
13⁄4
RPM
Density 0.075 lb/ft3
140
(686)
(343)
(51)
(432)
100
80
60
40
Static Pressure in. wg
22
23
111⁄2
0
-6
DP
0.0
0
0
(584)
0
50
100
150
50
100
150
200
250
300
350
300
400
450
500
Size 70 and 75
0.6
RPM
Density 0.075 lb/ft3
140
0.5
LDP 60 thru LDP 75
0.064 (0.029)
0.081 (0.036)
0.064 (0.029)
8 (203)
101⁄2 (267)
Aluminum
49 (22)
100
80
60
40
20
0
Static Pressure in. wg
Static Pressure Pa
17
(432)
LD 60 thru LD 75
24 ga
0.064 (0.029)
8 (203)
101⁄2 (267)
Galvanized
37 (17)
250
3
120
Hood Thickness
Cover Thickness
Louver Thickness
Curb Cap Thickness
Damper Size Square
Roof Opening Square
200
m /hr
(343)
17
5
-6
(292)
(432)
DP
/L
cfm
131⁄2
Weight*
/L
LD
0.2
23
(584)
(44)
LD
0.3
0.1
20
LDP Dimensions
0.4
LD
0.4
/L
DP
-7
0
0.3
LD
/L
DP
-7
5
0.2
0.1
0.0
0
50
100
150
200
250
300
350
400
cfm
0
100
200
300
400
500
600
3
m /hr
All dimensions are in inches (millimeters). Weight in pounds (kilograms).
*Weight shown is the largest cataloged Open Drip Proof motor.
See page 8 for severe duty LDP dimensions.
Model
Number
LD/LDP-60
Motor
HP
1/60
Fan
RPM
1590*
CFM / Static Pressure in Inches wg
Watts
51 W
LD/LDP-65
1/30
1680*
70 W
LD/LDP-70
1/30
1665*
73 W
LD/LDP-75
1/25
1620*
79 W
CFM
0
0.1
0.125
0.2
0.25
0.3
202
171
164
139
119
97
0.375
0.4
Sones
4.8
4.3
4.3
4.0
3.8
3.6
CFM
274
245
238
208
187
165
129
112
Sones
5.6
5.3
5.2
5.0
5.1
5.1
5.1
5.2
0.45
0.5
CFM
360
324
314
282
257
231
188
171
132
Sones
6.4
6.0
5.9
5.5
5.4
5.3
5.2
5.1
5.0
CFM
400
360
351
317
290
264
222
206
168
122
Sones
5.8
5.2
5.1
4.9
4.7
4.5
4.2
4.1
4.0
3.8
Performance certified is for installation type A: Free inlet, Free outlet. Power rating (Bhp) does not include transmission losses. Performance ratings include the effects of a
birdscreen in the airstream. The sound ratings shown are loudness values in fan sones at 5 feet (1.5 m) in a hemispherical free field calculated per AMCA Standard 301. Values
shown are for installation type A: Free inlet hemispherical sones.
10
LD/LDP 80-95
Direct Drive
LD Dimensions
131⁄2
0.6
(343)
140
Static Pressure Pa
16
(406)
13⁄4
(44)
4
19
19
(483)
(483)
(102)
120
100
80
60
25
121⁄2
LD
/L
0.4
DP
-8
0
LD
0.3
/L
DP
-8
5
0.2
0.1
0.0
0
0
LDP Dimensions
0.5
40
20
(635)
RPM
Density 0.075 lb/ft3
160
(686)
Static Pressure in. wg
28
(711)
Size 80 and 85
0.7
27
100
200
300
400
500
600
cfm
25
0
(635)
200
400
600
800
1000
3
m /hr
(318)
Size 90 and 95
161⁄2
220
0.9
(419)
200
0.8
180
(44)
(483)
(483)
Hood Thickness
Cover Thickness
Louver Thickness
Curb Cap Thickness
Damper Size Square
Roof Opening Square
Weight*
160
19
LD 80 thru LD 95
24 ga
0.064 (0.029)
10 (254)
121⁄2 (318)
Galvanized
45 (20)
LDP 80 thru LDP 95
0.064 (0.029)
0.081 (0.036)
0.064 (0.029)
10 (254)
121⁄2 (318)
Aluminum
63 (29)
140
120
100
80
60
0.7
Static Pressure in. wg
19
Static Pressure Pa
1 ⁄4
3
RPM
Density 0.075 lb/ft3
0.6
LD
0.5
/L
LD
0.4
DP
-9
/L
DP
5
-9
0.3
0
0.2
40
0.1
20
0.0
0
0
200
400
600
800
1000
1200
cfm
0
200
400
600
800
1000 1200 1400 1600 1800 2000
3
m /hr
All dimensions are in inches (millimeters). Weight in pounds (kilograms).
*Weight shown is the largest cataloged Open Drip Proof motor.
See page 8 for severe duty LDP dimensions.
Model
Number
LD/LDP-80
Motor
HP
1/20
Fan
RPM
1550*
115 W
LD/LDP-85
1/20
1500*
120 W
LD/LDP-90
1/15
1550*
92 W
LD/LDP-95
1/8
1550*
CFM / Static Pressure in Inches wg
Watts
160 W
CFM
0
0.1
0.125
0.2
0.25
0.3
0.375
0.5
481
426
413
372
342
310
258
165
Sones
8.8
8.2
8.0
7.8
7.6
7.4
7.2
7.5
CFM
576
507
490
440
403
360
291
182
Sones
8.6
8.1
8.0
7.7
7.3
7.1
7.0
7.8
CFM
819
735
714
654
608
562
485
361
0.6
0.625
Sones
8.8
8.6
8.5
8.4
8.3
8.1
7.8
7.9
CFM
1052
965
942
870
825
780
695
552
430
396
Sones
11.8
11.2
11.1
10.8
10.4
10.2
10.0
9.8
10.1
10.2
Performance certified is for installation type A: Free inlet, Free outlet. Power rating (Bhp) does not include transmission losses. Performance ratings include the effects of a
birdscreen in the airstream. The sound ratings shown are loudness values in fan sones at 5 feet (1.5 m) in a hemispherical free field calculated per AMCA Standard 301. Values
shown are for installation type A: Free inlet hemispherical sones.
11
LD/LDP 100-120
Direct Drive
LD Dimensions
250
(686)
(343)
(44)
22
(559)
(559)
100
50
S YS
TEM
TO
FT
H IS
0.6
0.5
0.4
0.3
0.2
LDP Dimensions
28
14
(711)
25
11
40
86
0
T
0.1
0
17
LEF
4
(102)
0.7
TH
E
22
150
TO
(457)
0.8
SE
LE
CT
Static Pressure Pa
18
13⁄4
1.0
0.9
200
RPM
Density 0.075 lb/ft3
CUR
VE
131⁄2
(762)
Size 100
1.1
27
Static Pressure in. wg
30
0.0
0
DO
NO
200
400
600
800
1000
1200
1400
1600
cfm
28
0
(711)
500
1000
1500
2000
2500
3
m /hr
(356)
Size 120
181⁄2
URV
E
1.2
250
LD 100 thru LD 120 LDP 100 thru LDP 120
Hood Thickness
24 ga
Cover Thickness
0.064 (0.029)
Louver Thickness
0.081 (0.036)
Curb Cap Thickness
0.064 (0.029)
0.064 (0.029)
Damper Size Square
12 (305)
12 (305)
Roof Opening Square
141⁄2 (368)
141⁄2 (368)
Aluminum
Galvanized
Weight*
82 (37)
57 (26)
100
F TH
TO
0.4
0.2
0
0.0
0
17
25
11
40
86
N
OT
50
0.6
L EF
150
0.8
HE
200
CT
TO
T
(559)
SE
LE
Static Pressure Pa
22
(559)
1.0
Static Pressure in. wg
22
(44)
RPM
Density 0.075 lb/ft3
IS S
YST
EM
C
(470)
0
DO
200
400
600
800
1000
1200
1400
1600
1800
2000
cfm
0
500
1000
1500
2000
2500
3000
3
m /hr
All dimensions are in inches (millimeters). Weight in pounds (kilograms).
*Weight shown is the largest cataloged Open Drip Proof motor.
See page 8 for severe duty LDP dimensions.
Model
Number
Motor
HP
Fan
RPM
LD/LDP-100-C
1/8
860
LD/LDP-100-B
1/6
1140
LD/LDP-100-A
1/4
1725
LD/LDP-120-C
1/8
860
LD/LDP-120-B
1/6
1140
LD/LDP-120-A
1/4
1725
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
0
766
0.022
6.3
1016
0.051
12.0
1538
0.18
16.2
0.125
568
0.029
5.3
879
0.065
11.0
1457
0.21
14.8
0.2
407
0.028
5.1
780
0.068
10.6
1399
0.22
14.4
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
921
0.03
6.6
1221
0.071
11.9
1848
0.25
21
702
0.041
5.3
1072
0.086
10.9
1762
0.28
19.6
536
0.043
5.1
960
0.094
10.3
1693
0.29
19.4
CFM / Static Pressure in Inches wg
0.25
0.375
0.5
0.625
0.75
0.875
0.9
709
0.068
10.4
1360
0.22
14.2
493
0.066
10.4
1256
0.23
14.3
1142
0.24
14.2
1024
0.24
14.8
891
0.23
15.3
724
0.23
15.9
678
0.22
16.1
886
0.096
10.0
1652
0.29
19.3
664
0.099
9.2
1540
0.31
18.6
1412
0.33
18.4
1286
0.34
18.2
1142
0.35
18.2
979
0.34
18.3
940
0.33
18.3
Performance certified is for installation type A: Free inlet, Free outlet. Power rating (Bhp) does not include transmission losses. Performance ratings include the effects of a
birdscreen in the airstream. The sound ratings shown are loudness values in fan sones at 5 feet (1.5 m) in a hemispherical free field calculated per AMCA Standard 301. Values
shown are for installation type A: Free inlet hemispherical sones.
12
LB/LBP 10
Belt Drive
LB Dimensions
22
(44)
(559)
22
(85)
(559)
100
0
LBP Dimensions
14
(711)
OF
TH
IS
0.6
0.4
22
34
00
0.2
0.0
0
DO
T
NO
10
SE
3
0
200
400
67
83
60
600
381⁄2
0
500
800
1000
1000
1200
1400
1600
1500
2000
2500
3
m /hr
(356)
22
(559)
15
13
(978)
(432)
13⁄4
67
cfm
17
(44)
17
LE
FT
150
0.8
E
200
CU
RV
E
1.0
RPM
HP
Density 0.075 lb/ft3
p
SY
ST
EM
250
50
28
3h
T
1 ⁄4
31⁄4
1.2
TH
(432)
3
1/
p
TO
17
300
LE
C
(438)
1/
4h
(991)
Static Pressure in. wg
17 ⁄4
(711)
1.4
39
1
Static Pressure Pa
28
(559)
Hood Thickness
Cover Thickness
Louver Thickness
Curb Cap Thickness
Damper Size Square
Roof Opening Square
Weight*
LB-10
22 ga
0.064 (0.029)
12 (305)
141⁄2 (368)
Galvanized
56 (25)
LBP-10
0.064 (0.029)
0.081 (0.036)
0.064 (0.029)
12 (305)
141⁄2 (368)
Aluminum
99 (45)
All dimensions are in inches (millimeters). Weight in pounds (kilograms).
*Weight shown is the largest cataloged Open Drip Proof motor.
See page 8 for severe duty LBP dimensions.
Model
Number
Motor
HP
Fan
RPM
600
712
937
1049
LB/LBP-10-4
1/4
1162
1274
1386
1499
1611
1689
LB/LBP-10-3
1/3
1767
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
0
539
0.013
3.0
639
0.021
3.6
841
0.048
5.1
942
0.067
5.9
1043
0.091
6.9
1144
0.12
8.0
1244
0.15
9.2
1346
0.19
10.0
1446
0.24
11.2
1516
0.28
12.2
1587
0.32
13.5
0.125
351
0.014
1.6
500
0.024
2.3
746
0.053
4.3
855
0.073
5.3
963
0.097
6.3
1070
0.13
7.5
1177
0.16
8.8
1283
0.2
9.8
1388
0.25
10.9
1461
0.29
11.9
1533
0.33
13.0
0.25
CFM / Static Pressure in Inches wg
0.375
0.5
0.625
0.75
0.875
1
1.125
MAX. BHP AT A GIVEN RPM - (rpm/2476)3
MAXIMUM FRPM = 1767
TIP SPEED = rpm x 2.913
MAX. MOTOR FRAME SIZE = 56
623
0.054
3.6
759
0.076
4.7
887
0.103
5.9
1004
0.13
7.1
1114
0.17
8.4
1224
0.21
9.5
1331
0.26
10.7
1406
0.3
11.6
1480
0.34
12.6
625
0.075
4.2
780
0.103
5.4
917
0.14
6.8
1047
0.18
8.2
1168
0.22
9.3
1280
0.27
10.4
1356
0.31
11.3
1432
0.35
12.2
618
0.099
4.7
818
0.14
6.3
953
0.18
7.9
1093
0.22
8.8
1220
0.28
10.1
1304
0.32
11.0
1385
0.36
11.9
861
0.17
7.3
1006
0.22
8.3
1142
0.28
9.5
1237
0.32
10.6
1327
0.36
11.7
910
0.22
7.8
1064
0.28
9.0
1158
0.32
9.9
1254
0.36
11.0
970
0.27
8.5
1087
0.32
9.5
1182
0.36
10.5
980
0.31
8.9
1112
0.36
10.1
997
0.36
9.5
Performance certified is for installation type A: Free inlet, Free outlet. Power rating (Bhp) does not include transmission losses. Performance ratings include the effects of a
birdscreen in the airstream. The sound ratings shown are loudness values in fan sones at 5 feet (1.5 m) in a hemispherical free field calculated per AMCA Standard 301. Values
shown are for installation type A: Free inlet hemispherical sones.
13
LB/LBP 14
Belt Drive
LB Dimensions
OF
TH
IS
EF
T
EL
0.0
0
TH
TO
0
(1016)
600
900
1000
26
1500
2000
1800
2100
2400
2700
3000
4000
3
(406)
26
(660)
1200
m /hr
(432)
13⁄4
300
cfm
17
(44)
N
0
16
2
O
T
0
48
32
(813)
43
0.2
65
50
DO
LBP Dimensions
70
(660)
(660)
0.4
5
(44)
100
(102)
0.6
RPM
HP
Density 0.075 lb/ft3
hp
7
4
26
2
82
13⁄4
150
hp
0.8
1/
11
(457)
200
hp
13
18
4
99
Static Pressure Pa
(445)
3
1/
1.0
URV
E
250
S YS
TEM
C
1/
(991)
SE
LE
CT
17 ⁄2
(889)
1.2
39
1
Static Pressure in. wg
35
(660)
Hood Thickness
Cover Thickness
Louver Thickness
Curb Cap Thickness
Damper Size Square
Roof Opening Square
Weight*
LB-14
22 ga
0.064 (0.029)
16 (406)
181⁄2 (470)
Galvanized
81 (37)
LBP-14
0.064 (0.029)
0.081 (0.036)
0.064 (0.029)
16 (406)
181⁄2 (470)
Aluminum
116 (53)
All dimensions are in inches (millimeters). Weight in pounds (kilograms).
*Weight shown is the largest cataloged Open Drip Proof motor.
See page 8 for severe duty LBP dimensions.
Model
Number
Motor
HP
Fan
RPM
480
564
731
LB/LBP-14-4
1/4
815
899
982
1066
1118
LB/LBP-14-3
1/3
1170
1257
LB/LBP-14-5
1/2
1343
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
0
903
0.022
4.1
1061
0.035
4.7
1375
0.077
5.9
1533
0.11
6.7
1690
0.14
7.5
1847
0.19
8.5
2004
0.24
9.8
2102
0.27
10.7
2200
0.31
11.5
2364
0.39
12.9
2525
0.47
14.4
0.125
614
0.025
3.2
848
0.041
4.2
1231
0.086
5.6
1402
0.12
6.4
1574
0.15
7.3
1743
0.2
8.4
1912
0.25
9.7
2016
0.28
10.6
2120
0.32
11.3
2290
0.4
12.7
2456
0.49
14.1
0.25
CFM / Static Pressure in Inches wg
0.375
0.5
0.625
0.75
0.875
1
1.125
MAX. BHP AT A GIVEN RPM - (rpm/1639)3
MAXIMUM FRPM = 1343
TIP SPEED = rpm x 3.829
MAX. MOTOR FRAME SIZE = 56
1024
0.089
5.1
1241
0.12
5.9
1439
0.16
6.9
1629
0.21
8
1807
0.26
9.4
1913
0.3
10.3
2019
0.34
11.1
2197
0.42
12.5
2372
0.51
13.8
1013
0.12
5.4
1264
0.17
6.4
1482
0.21
7.5
1681
0.27
8.9
1801
0.31
9.8
1920
0.36
10.6
2112
0.44
12.1
2289
0.53
13.5
946
0.15
5.7
1297
0.21
7
1534
0.28
8.4
1672
0.32
9.3
1797
0.36
10.1
2002
0.44
11.6
2199
0.54
13.1
1351
0.27
7.8
1512
0.32
8.7
1657
0.36
9.5
1887
0.45
11.1
2092
0.55
12.6
1257
0.3
8.1
1487
0.36
9.0
1748
0.45
10.5
1979
0.55
12.2
1585
0.44
10.1
1848
0.55
11.6
1692
0.54
11.1
1386
0.51
10.4
Performance certified is for installation type A: Free inlet, Free outlet. Power rating (Bhp) does not include transmission losses. Performance ratings include the effects of a
birdscreen in the airstream. The sound ratings shown are loudness values in fan sones at 5 feet (1.5 m) in a hemispherical free field calculated per AMCA Standard 301. Values
shown are for installation type A: Free inlet hemispherical sones.
14
LB/LBP 18
Belt Drive
39
(991)
(445)
2.0
1/
2
hp
1/
4
hp
0.5
OT
LBP Dimensions
36
(914)
(483)
0
46
14
60
12
61
10
62
3
66
4
5
1000
2000
3000
4000
5000
6000
2
4
6
8
10
3
m /hr X 1000
30
(762)
hp
86
46
N
0
(1168)
(622)
13⁄4
DO
2
RPM
HP
Density 0.075 lb/ft3
hp
cfm
241⁄2
(44)
0.0
0
1/
hp
SE
(762)
3
2
1
OT
HE
LEF
TO
F TH
IS S
200
(114)
1.0
1/
TT
4 ⁄2
30
1.5
LE
C
30
(762)
hp
13⁄4
(44)
1
hp
4
(533)
400
1
3/
21
Static Pressure in. wg
(1016)
2.5
600
URV
E
17 ⁄2
1
Static Pressure Pa
40
YST
EM
C
LB Dimensions
(762)
LB-18
22 ga
0.064 (0.029)
18 (457)
201⁄2 (521)
Galvanized
135 (61)
Hood Thickness
Cover Thickness
Louver Thickness
Curb Cap Thickness
Damper Size Square
Roof Opening Square
Weight*
LBP-18
0.064 (0.029)
0.081 (0.036)
0.064 (0.029)
18 (457)
201⁄2 (521)
Aluminum
179 (81)
All dimensions are in inches (millimeters). Weight in pounds (kilograms).
*Weight shown is the largest cataloged Open Drip Proof motor.
See page 8 for severe duty LBP dimensions.
Model
Number
Motor
HP
Fan
RPM
465
LB/LBP-18-4
1/4
562
755
LB/LBP-18-3
1/3
826
888
LB/LBP-18-5
1/2
949
LB/LBP-18-7
3/4
1085
LB/LBP-18-10
1
1141
1286
LB/LBP-18-15
1 1⁄2
1375
LB/LBP-18-20
2
1460
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
0
1753
0.056
3.6
2119
0.099
4.9
2847
0.24
8.7
3115
0.31
10.2
3348
0.39
11.7
3578
0.48
13.4
4091
0.71
16.8
4302
0.83
18.0
4849
1.19
21
5185
1.45
24
5505
1.73
26
0.125
1422
0.064
2.7
1871
0.108
4.1
2671
0.25
7.9
2957
0.33
9.5
3203
0.4
11.0
3442
0.49
13.0
3972
0.73
16.2
4189
0.84
17.3
4749
1.2
20
5091
1.47
23
5417
1.76
25
0.25
1522
0.114
3.4
2474
0.27
7.4
2778
0.34
8.9
3039
0.42
10.4
3292
0.51
12.0
3847
0.75
15.5
4073
0.86
16.7
4648
1.22
19.8
4997
1.49
22
5328
1.78
24
CFM / Static Pressure in Inches wg
0.5
0.75
1
1.25
1.5
1.75
2
MAX. BHP AT A GIVEN RPM - (rpm/1157)3
MAXIMUM FRPM = 1460
TIP SPEED = rpm x 4.843
MAX. MOTOR FRAME SIZE = 145T
1925
0.27
6.5
2324
0.36
8.0
2638
0.45
9.4
2936
0.54
11.0
3575
0.79
14.6
3814
0.91
15.9
4423
1.27
19.2
4790
1.54
21
5138
1.83
23
2110
0.44
8.7
2498
0.55
10.3
3218
0.82
13.4
3493
0.94
14.8
4183
1.32
18.5
4576
1.59
21
4936
1.88
23
2822
0.82
12.9
3140
0.96
14.1
3880
1.35
17.8
4311
1.63
20
4714
1.93
22
2674
0.93
13.8
3568
1.37
17.4
4025
1.66
19.9
4446
1.98
22
3208
1.35
17.1
3719
1.67
19.6
4176
2
22
3382
1.65
19.5
3874
2
22
3538
1.97
22
Performance certified is for installation type A: Free inlet, Free outlet. Power rating (Bhp) does not include transmission losses. Performance ratings include the effects of a
birdscreen in the airstream. The sound ratings shown are loudness values in fan sones at 5 feet (1.5 m) in a hemispherical free field calculated per AMCA Standard 301. Values
shown are for installation type A: Free inlet hemispherical sones.
15
LB/LBP 21
Belt Drive
LB Dimensions
E
TO
00
FT
12
LEF
53
10
CT
TO
T
6
HE
90
LE
9
SE
OT
5
N
1000
2000
3000
46
0
2
4
4000
5000
6000
7000
8000
6
8
10
12
3
(1168)
m /hr X 1000
(483)
(622)
30
13⁄4
DO
cfm
241⁄2
30
(762)
(44)
0.0
0
2
0
46
19
61
36
75
0.5
100
LBP Dimensions
(914)
HIS
S
hp
hp
Static Pressure in. wg
4
4
hp
Static Pressure Pa
3/
hp
(762)
1/
(152)
3
6
30
1.0
1/
30
(762)
200
2
13⁄4
300
1.5
1/
23
hp
400
hp
hp
1
(584)
RPM
HP
Density 0.075 lb/ft3
2
2
(1295)
(584)
(44)
YST
EM
CUR
V
1/
23
(1092)
2.0
51
1
43
(762)
Hood Thickness
Cover Thickness
Louver Thickness
Curb Cap Thickness
Damper Size Square
Roof Opening Square
Weight*
LB-21
22 ga
0.064 (0.029)
18 (457)
201⁄2 (521)
Galvanized
145 (66)
LBP-21
0.064 (0.029)
0.081 (0.036)
0.064 (0.029)
18 (457)
201⁄2 (521)
Aluminum
191 (86)
All dimensions are in inches (millimeters). Weight in pounds (kilograms).
*Weight shown is the largest cataloged Open Drip Proof motor.
See page 8 for severe duty LBP dimensions.
Model
Number
Motor
HP
Fan
RPM
465
LB/LBP-21-4
1/4
595
LB/LBP-21-3
1/3
651
699
LB/LBP-21-5
1/2
747
801
LB/LBP-21-7
3/4
855
LB/LBP-21-10
1
899
1010
LB/LBP-21-15
11⁄2
1077
LB/LBP-21-20
2
1200
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
0
2820
0.12
6.6
3609
0.24
8.8
3948
0.32
10.1
4239
0.39
11.6
4531
0.48
13.4
4858
0.59
15.5
5186
0.72
16.7
5452
0.83
17.1
6126
1.18
20
6532
1.43
22
7278
1.98
26
0.25
1732
0.13
5.2
2938
0.28
7.8
3371
0.36
8.8
3724
0.44
9.9
4056
0.53
11.2
4424
0.65
12.9
4790
0.79
14.4
5087
0.91
15.4
5826
1.26
18.9
6260
1.52
21
7034
2.07
25
0.375
2457
0.28
6.9
2970
0.36
8.2
3362
0.45
9.3
3741
0.54
10.4
4157
0.66
11.8
4553
0.8
13.3
4858
0.93
14.5
5614
1.3
18.1
6068
1.56
20
6890
2.12
25
CFM / Static Pressure in Inches wg
0.5
0.625
0.75
1
1.25
1.5
1.75
MAX. BHP AT A GIVEN RPM - (rpm/910)3
MAXIMUM FRPM = 1200
TIP SPEED = rpm x 5.596
MAX. MOTOR FRAME SIZE = 145T
2354
0.34
6.9
2954
0.45
8.6
3390
0.55
9.8
3833
0.67
11.3
4261
0.81
12.8
4602
0.94
13.9
5415
1.32
17.3
5877
1.59
19.4
6712
2.18
24
1964
0.38
7.1
2909
0.53
9.1
3491
0.68
10.8
3954
0.82
12.1
4313
0.95
13.4
5183
1.34
16.6
5691
1.61
18.8
6542
2.2
23
2937
0.64
10.1
3608
0.82
11.5
4019
0.96
12.7
4926
1.35
16.2
5451
1.62
18.2
6375
2.22
23
2894
0.86
11.7
4386
1.36
15.0
4965
1.65
17.3
5954
2.25
22
3369
1.24
14.0
4395
1.63
16.4
5517
2.28
21
5013
2.26
20
4122
2.11
18.5
Performance certified is for installation type A: Free inlet, Free outlet. Power rating (Bhp) does not include transmission losses. Performance ratings include the effects of a
birdscreen in the airstream. The sound ratings shown are loudness values in fan sones at 5 feet (1.5 m) in a hemispherical free field calculated per AMCA Standard 301. Values
shown are for installation type A: Free inlet hemispherical sones.
16
LB/LBP 24
Belt Drive
LB Dimensions
13⁄4
(864)
(44)
63⁄4
34
LBP Dimensions
40
20
(1016)
1/
4
0.6
1/
3
hp
hp
0.2
0
0.0
0
DO
T
NO
1000
CU
RVE
2
hp
RPM
HP
Density 0.075 lb/ft3
hp
YS
TEM
hp
hp
0.4
50
2
91
0
FT
HIS
S
4
2
79
9
68
8
57
7
46
6
S
35
5
2000
3000
491⁄2
0
2
4
4000
6
5000
6000
7000
8000
9000
8
10
12
14
3
m /hr X 1000
(1257)
(508)
(597)
34
13⁄4
150
0.8
3/
1/
1.0
1/
cfm
231⁄2
34
(864)
(44)
200
100
(171)
(864)
1.2
250
hp
EF
TO
(597)
300
1
1
TH
EL
23 ⁄2
1
1.4
TO
Static Pressure Pa
(521)
350
EC
T
(1295)
EL
20 ⁄2
(1156)
1.6
51
1
Static Pressure in. wg
45 ⁄2
1
(864)
Hood Thickness
Cover Thickness
Louver Thickness
Curb Cap Thickness
Damper Size Square
Roof Opening Square
Weight*
LB-24
22 ga
0.064 (0.029)
24 (610)
261⁄2 (673)
Galvanized
188 (85)
LBP-24
0.064 (0.029)
0.081 (0.036)
0.064 (0.029)
24 (610)
261⁄2 (673)
Aluminum
239 (108)
All dimensions are in inches (millimeters). Weight in pounds (kilograms).
*Weight shown is the largest cataloged Open Drip Proof motor.
See page 8 for severe duty LBP dimensions.
Model
Number
Motor
HP
Fan
RPM
355
LB/LBP-24-4
1/4
409
462
LB/LBP-24-3
1/3
508
LB/LBP-24-5
1/2
582
625
LB/LBP-24-7
3/4
667
LB/LBP-24-10
1
734
LB/LBP-24-15
11⁄2
787
868
LB/LBP-24-20
2
910
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
0
3419
0.11
5.8
3938
0.17
6.3
4449
0.24
7.4
4892
0.32
8.5
5604
0.48
10.7
6018
0.59
12.4
6423
0.72
14.1
7068
0.96
17.0
7578
1.18
19.6
8358
1.58
24
8763
1.82
27
0.25
2715
0.19
5.1
3451
0.28
6.3
4043
0.36
7.4
4917
0.54
9.4
5381
0.66
11.0
5828
0.8
12.7
6531
1.05
15.3
7080
1.29
17.4
7907
1.7
21
8333
1.95
24
0.375
CFM / Static Pressure in Inches wg
0.5
0.625
0.75
0.875
1
1.25
1.375
MAX. BHP AT A GIVEN RPM - (rpm/710)3
MAXIMUM FRPM = 910
TIP SPEED = rpm x 6.414
MAX. MOTOR FRAME SIZE = 145T
2491
0.25
5.3
3433
0.36
6.8
4441
0.55
8.9
4988
0.68
10.3
5505
0.82
12.0
6252
1.08
14.6
6820
1.32
16.5
7675
1.74
20
8114
2
23
3899
0.55
8.4
4497
0.68
10.0
5062
0.83
11.5
5912
1.1
13.9
6560
1.35
15.9
7440
1.78
19.4
7889
2.04
21
3929
0.66
9.5
4589
0.83
11.1
5503
1.1
13.5
6190
1.36
15.4
7192
1.81
18.9
7664
2.07
21
3984
0.79
10.9
5073
1.1
13.2
5799
1.36
15.0
6855
1.82
18.3
7377
2.09
20
4555
1.07
12.9
5398
1.36
14.8
6505
1.83
17.9
7056
2.1
19.8
4909
1.32
14.1
6141
1.82
17.6
6713
2.1
19.5
5285
1.76
16.0
5995
2.08
18.4
5537
2.03
17.2
Performance certified is for installation type A: Free inlet, Free outlet. Power rating (Bhp) does not include transmission losses. Performance ratings include the effects of a
birdscreen in the airstream. The sound ratings shown are loudness values in fan sones at 5 feet (1.5 m) in a hemispherical free field calculated per AMCA Standard 301. Values
shown are for installation type A: Free inlet hemispherical sones.
17
LB/LBP 30
Belt Drive
LB Dimensions
0
4
6
8
10
12
14
16
cfm X 1000
58
0
(1473)
5
10
15
20
25
3
m /hr X 1000
261⁄2
(673)
40
CU
RVE
SY
STE
M
HIS
FT
TO
EL
EF
TH
CT
TO
SE
LE
2
1
23
2
(584)
40
(1016)
5
4
3
47
T
35
NO
71
59
hp
0.0
0
DO
RPM
HP
Density 0.075 lb/ft3
83
hp
Static Pressure in. wg
2
1/
3
1/
Static Pressure Pa
1
hp
23
0
hp
2
1/
46
(1168)
13⁄4
0.5
100
LBP Dimensions
(44)
1.0
4
3/
(1016)
hp
(44)
(216)
(1016)
200
1
81⁄2
40
300
1.5
hp
26 ⁄8
(676)
2
400
5
13⁄4
hp
(749)
hp
(1600)
3
(1270)
2.0
63
291⁄2
5
50
(1016)
Hood Thickness
Cover Thickness
Louver Thickness
Curb Cap Thickness
Damper Size Square
Roof Opening Square
Weight*
LB-30
22 ga
0.064 (0.029)
30 (762)
321⁄2 (826)
Galvanized
249 (113)
LBP-30
0.064 (0.029)
0.081 (0.036)
0.064 (0.029)
30 (762)
321⁄2 (826)
Aluminum
318 (144)
All dimensions are in inches (millimeters). Weight in pounds (kilograms).
*Weight shown is the largest cataloged Open Drip Proof motor.
See page 8 for severe duty LBP dimensions.
Model
Number
Motor
HP
Fan
RPM
230
LB/LBP-30-3
1/3
366
394
LB/LBP-30-5
1/2
421
LB/LBP-30-7
3/4
483
LB/LBP-30-10
1
529
567
LB/LBP-30-15
11⁄2
605
LB/LBP-30-20
2
667
LB/LBP-30-30
3
703
LB/LBP-30-50
5
835
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
0
3910
0.076
8.0
6221
0.31
8.7
6697
0.38
9.0
7156
0.47
9.7
8210
0.7
12.0
8992
0.92
13.8
9638
1.14
15.3
10284
1.38
16.8
11338
1.85
19.8
11950
2.17
22
14194
3.63
27
0.25
4729
0.37
5.9
5354
0.45
6.5
5939
0.54
7.4
7196
0.8
10.7
8079
1.04
12.9
8797
1.27
14.2
9507
1.53
15.7
10639
2.02
18.6
11287
2.34
20
13635
3.84
26
0.375
CFM / Static Pressure in Inches wg
0.5
0.625
0.75
1
1.25
1.5
1.75
MAX. BHP AT A GIVEN RPM - (rpm/512)3
MAXIMUM FRPM = 835
TIP SPEED = rpm x 7.985
MAX. MOTOR FRAME SIZE = 184T
4290
0.44
6.0
5076
0.55
6.7
6567
0.83
9.7
7559
1.07
12.1
8334
1.31
13.6
9073
1.57
15.2
10257
2.07
17.9
10935
2.41
19.5
13356
3.95
25
5777
0.83
8.8
6946
1.1
11.4
7786
1.34
13.0
8605
1.61
14.6
9863
2.12
17.5
10562
2.46
19.1
13062
4.03
25
6162
1.09
10.3
7174
1.36
12.3
8068
1.64
14.1
9419
2.16
17.1
10184
2.51
18.7
12747
4.09
24
6410
1.33
11.2
7434
1.64
13.3
8933
2.19
16.6
9722
2.54
18.3
12432
4.14
24
7737
2.17
14.9
8701
2.57
17.0
11728
4.24
23
7032
2.41
14.2
10951
4.33
22
9965
4.29
21
8478
4.06
18.2
Performance certified is for installation type A: Free inlet, Free outlet. Power rating (Bhp) does not include transmission losses. Performance ratings include the effects of a
birdscreen in the airstream. The sound ratings shown are loudness values in fan sones at 5 feet (1.5 m) in a hemispherical free field calculated per AMCA Standard 301. Values
shown are for installation type A: Free inlet hemispherical sones.
18
LB/LBP 36
Belt Drive
LB Dimensions
5
ST
SY
EF
T
OF
8
TH
EL
6
58
49
TO
4
LE
CT
40
SE
3
1
0
46
4
6
8
10
12
14
16
18
20
10
20
30
3
m /hr X 1000
46
(1168)
22
0
(873)
13⁄4
2
(1600)
343⁄8
(44)
31
(660)
0.0
0
T
NO
cfm X 1000
63
(1314)
hp
0
LBP Dimensions
67
2
1/
0.5
100
DO
513⁄4
TH
IS
1
Static Pressure in. wg
hp
Static Pressure Pa
2
hp
hp
(1168)
(1168)
2
1/
(248)
1.0
4
3/
(44)
93⁄4
46
46
200
hp
13⁄4
300
1
325⁄8
(829)
1.5
hp
(686)
3
400
EM
CU
RVE
(1600)
27
RPM
HP
Density 0.075 lb/ft3
hp
60
(1524)
2.0
(1168)
Hood Thickness
Cover Thickness
Louver Thickness
Curb Cap Thickness
Damper Size Square
Roof Opening Square
Weight*
LB-36
0.064 (0.029)
0.064 (0.029)
36 (914)
381⁄2 (978)
Galvanized
338 (153)
LBP-36
0.064 (0.029)
0.081 (0.036)
0.064 (0.029)
36 (914)
381⁄2 (978)
Aluminum 444
(201)
All dimensions are in inches (millimeters). Weight in pounds (kilograms).
*Weight shown is the largest cataloged Open Drip Proof motor.
See page 8 for severe duty LBP dimensions.
Model
Number
Motor
HP
Fan
RPM
220
LB/LBP-36-5
1/2
315
LB/LBP-36-7
3/4
360
LB/LBP-36-10
1
397
426
LB/LBP-36-15
11⁄2
454
LB/LBP-36-20
2
499
536
LB/LBP-36-30
3
572
614
LB/LBP-36-50
5
678
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
0
6204
0.16
4.9
8884
0.47
8.2
10153
0.7
10.6
11196
0.94
13.7
12014
1.16
14.8
12804
1.41
16.0
14073
1.87
18.2
15116
2.31
20
16132
2.81
22
17316
3.48
25
19121
4.69
30
0.25
6937
0.55
6.3
8570
0.81
8.9
9816
1.08
12.1
10765
1.32
14.0
11668
1.58
15.4
13064
2.06
17.6
14196
2.52
19.7
15287
3.04
22
16540
3.72
24
18419
4.95
29
0.375
CFM / Static Pressure in Inches wg
0.5
0.625
0.75
0.875
1
1.25
1.5
MAX. BHP AT A GIVEN RPM - (rpm/384)3
MAXIMUM FRPM = 678
TIP SPEED = rpm x 9.425
MAX. MOTOR FRAME SIZE = 184T
7487
0.83
7.9
8911
1.1
10.6
9964
1.35
12.7
10949
1.63
14.5
12442
2.13
17.2
13646
2.61
19.3
14790
3.14
21
16087
3.84
24
18041
5.08
29
7775
1.1
9.4
9056
1.37
11.6
10127
1.65
13.7
11760
2.17
16.6
13037
2.67
18.7
14229
3.21
21
15598
3.93
24
17621
5.21
29
7716
1.34
10.1
9209
1.66
12.5
11004
2.2
16.1
12361
2.7
18.4
13649
3.26
20
15066
3.99
23
17165
5.3
28
7552
1.57
11.0
10173
2.2
15.1
11652
2.73
17.8
12989
3.29
19.9
14504
4.05
23
16683
5.37
27
8773
2.12
13.9
10837
2.72
16.7
12313
3.32
19.0
13890
4.08
22
16192
5.44
27
9559
2.65
15.8
11534
3.31
18.1
13262
4.1
21
15636
5.47
26
11584
4.04
19.2
14494
5.52
24
12970
5.45
22
Performance certified is for installation type A: Free inlet, Free outlet. Power rating (Bhp) does not include transmission losses. Performance ratings include the effects of a
birdscreen in the airstream. The sound ratings shown are loudness values in fan sones at 5 feet (1.5 m) in a hemispherical free field calculated per AMCA Standard 301. Values
shown are for installation type A: Free inlet hemispherical sones.
19
LB/LBP 42
Belt Drive
LB Dimensions
1 ⁄4
3
52
(44)
111⁄2
52
(1321)
(292)
(1321)
100
1
3/
4
0.6
2
0.2
DO
0
LBP Dimensions
29
(1473)
2
NO
4
52
TE
HIS
SY
S
5
45
0
38
5
T
32
0
SE
25
5
19
0
6
8
10
10
12
14
16
18
20
22
24
20
30
40
3
(737)
52
(1321)
51
m /hr X 1000
(972)
13⁄4
hp
0
(1791)
381⁄4
(44)
hp
cfm X 1000
701⁄2
58
0.0
0
2
hp
hp
1/
0.4
1/
FT
OF
T
0.8
hp
LE
200
1
1.0
hp
E
373⁄8
(949)
2
1.2
TH
Static Pressure Pa
300
RPM
HP
Density 0.075 lb/ft3
hp
TO
(851)
3
MC
1.4
UR
VE
5
(1905)
LE
CT
33 ⁄2
(1794)
1.6
75
1
Static Pressure in. wg
70 ⁄8
5
(1321)
Hood Thickness
Cover Thickness
Louver Thickness
Curb Cap Thickness
Damper Size Square
Roof Opening Square
Weight*
LB-42
0.064 (0.029)
0.064 (0.029)
42 (1067)
441⁄2 (1130)
Galvanized
396 (180)
LBP-42
0.064 (0.029)
0.081 (0.036)
0.064 (0.029)
42 (1067)
441⁄2 (1130)
Aluminum
530 (240)
All dimensions are in inches (millimeters). Weight in pounds (kilograms).
*Weight shown is the largest cataloged Open Drip Proof motor.
See page 8 for severe duty LBP dimensions.
Model
Number
Motor
HP
Fan
RPM
190
LB/LBP-42-5
1/2
247
LB/LBP-42-7
3/4
283
LB/LBP-42-10
1
311
334
LB/LBP-42-15
11⁄2
356
LB/LBP-42-20
2
392
420
LB/LBP-42-30
3
448
482
LB/LBP-42-50
5
515
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
0
8328
0.21
5.2
10827
0.47
6.9
12405
0.71
8.3
13632
0.94
9.8
14640
1.17
11.5
15605
1.41
13.2
17183
1.89
16.1
18410
2.32
18.6
19637
2.82
22
21128
3.51
23
22574
4.28
25
0.125
6455
0.25
4.3
9583
0.53
6.0
11362
0.78
7.6
12718
1.02
9.3
13812
1.25
11.0
14828
1.5
12.7
16477
1.98
15.5
17751
2.42
18.0
19020
2.93
21
20554
3.63
23
22037
4.41
24
0.25
7772
0.55
5.5
9965
0.83
7.1
11521
1.08
8.7
12766
1.33
10.4
13887
1.58
12.1
15667
2.08
14.9
17030
2.52
17.3
18378
3.04
20
19980
3.74
22
21500
4.53
24
CFM / Static Pressure in Inches wg
0.375
0.5
0.625
0.75
0.875
1
1.25
MAX. BHP AT A GIVEN RPM - (rpm/301)3
MAXIMUM FRPM = 515
TIP SPEED = rpm x 11.061
MAX. MOTOR FRAME SIZE = 184T
7932
0.81
6.5
10057
1.1
8.3
11480
1.37
9.8
12733
1.64
11.5
14715
2.16
14.3
16205
2.62
16.6
17605
3.14
19.4
19281
3.86
22
20887
4.65
24
9795
1.35
9.2
11417
1.66
10.8
13626
2.21
13.7
15201
2.68
16.1
16740
3.22
18.8
18562
3.97
21
20214
4.77
23
9401
1.59
10.3
12382
2.21
13.2
14135
2.72
15.4
15786
3.28
18.1
17683
4.04
20
19480
4.87
22
10481
2.13
12.9
12945
2.72
15.3
14735
3.3
17.5
16796
4.1
19.3
18651
4.94
21
11013
2.61
15.2
13494
3.28
17.6
15798
4.11
18.7
17822
5.01
21
14692
4.09
18.5
16871
5.01
20
14331
4.88
19.3
Performance certified is for installation type A: Free inlet, Free outlet. Power rating (Bhp) does not include transmission losses. Performance ratings include the effects of a
birdscreen in the airstream. The sound ratings shown are loudness values in fan sones at 5 feet (1.5 m) in a hemispherical free field calculated per AMCA Standard 301. Values
shown are for installation type A: Free inlet hemispherical sones.
20
LB/LBP 48
Belt Drive
LB Dimensions
(1041)
1.0
(295)
100
4
1
hp
1/
2
0.4
hp
hp
50
0.2
0
0.0
0
LBP Dimensions
32
(1626)
25
8
4
15
4
8
0
12
10
16
20
20
24
28
30
40
3
(813)
58
(1473)
6
2
m /hr X 1000
(1026)
13⁄4
36
31
20
N
0
(1943)
403⁄8
(44)
0
cfm X 1000
761⁄2
64
DO
42
TH
EL
3/
0.6
hp
hp
RPM
HP
Density 0.075 lb/ft3
hp
EF
TO
FT
HIS
S
2
5
TO
58
(1473)
2
1/
O
58
(1473)
150
1
0.8
SE
LE
CT
11 ⁄8
5
200
hp
T
1 ⁄4
250
Static Pressure in. wg
Static Pressure Pa
411⁄2
(44)
1.2
3
(1054)
3
300
URV
E
(2210)
YST
EM
C
41
(1788)
1.4
87
(1473)
Hood Thickness
Cover Thickness
Louver Thickness
Curb Cap Thickness
Damper Size Square
Roof Opening Square
Weight*
LB-48
0.064 (0.029)
0.064 (0.029)
48 (1219)
501⁄2 (1283)
Galvanized
430 (195)
LBP-48
0.064 (0.029)
0.081 (0.036)
0.064 (0.029)
48 (1219)
501⁄2 (1283)
Aluminum
579 (263)
All dimensions are in inches (millimeters). Weight in pounds (kilograms).
*Weight shown is the largest cataloged Open Drip Proof motor.
See page 8 for severe duty LBP dimensions.
Model
Number
Motor
HP
Fan
RPM
150
LB/LBP-48-5
1/2
175
199
LB/LBP-48-7
3/4
226
LB/LBP-48-10
1
249
LB/LBP-48-15
1 ⁄2
267
1
285
LB/LBP-48-20
2
314
LB/LBP-48-30
3
359
381
LB/LBP-48-50
5
420
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
0
9666
0.21
6.1
11277
0.34
6.9
12824
0.5
7.6
14563
0.73
8.5
16046
0.98
9.5
17205
1.2
10.6
18365
1.46
12.3
20234
1.96
15.4
23134
2.93
18.4
24552
3.5
20
27065
4.69
23
0.125
6546
0.24
5.4
8948
0.38
5.6
10846
0.56
6.8
12863
0.81
8.2
14530
1.07
9.4
15823
1.31
10.4
17103
1.58
11.7
19141
2.1
14.5
22214
3.1
17.8
23685
3.68
19.6
26278
4.89
23
0.25
CFM / Static Pressure in Inches wg
0.375
0.5
0.625
0.75
0.875
0.9
1
MAX. BHP AT A GIVEN RPM - (rpm/241)3
MAXIMUM FRPM = 420
TIP SPEED = rpm x 12.632
MAX. MOTOR FRAME SIZE = 213T
7629
0.54
7.0
10741
0.83
7.5
12787
1.1
9.2
14222
1.35
10.2
15612
1.63
11.1
17779
2.17
13.4
21041
3.21
17.2
22620
3.81
19.1
25383
5.05
23
10092
1.08
8.3
12151
1.36
9.2
13896
1.66
10.5
16397
2.2
12.5
19878
3.25
16.5
21512
3.87
18.6
24354
5.15
23
11357
1.61
9.6
14665
2.22
12.2
18650
3.29
15.9
20378
3.92
17.9
23363
5.21
22
11934
2.1
11.5
17134
3.31
15.5
19104
3.95
17.4
22317
5.25
22
15069
3.25
14.8
17564
3.95
17.1
21159
5.29
21
11596
2.84
13.4
15491
3.86
16.2
19839
5.31
21
15076
3.85
16.0
19534
5.3
21
18029
5.23
20
Performance certified is for installation type A: Free inlet, Free outlet. Power rating (Bhp) does not include transmission losses. Performance ratings include the effects of a
birdscreen in the airstream. The sound ratings shown are loudness values in fan sones at 5 feet (1.5 m) in a hemispherical free field calculated per AMCA Standard 301. Values
shown are for installation type A: Free inlet hemispherical sones.
21
LB/LBP 54
Belt Drive
LB Dimensions
SY
STE
H IS
FT
TO
EF
TH
EL
Static Pressure in. wg
Static Pressure Pa
3
TO
SE
LE
CT
NO
5
18
4
13
0
10
15
64
20
25
30
35
40
10
20
30
40
50
60
3
m /hr X 1000
(1108)
(1626)
8
9
T
0.0
0
0
(2121)
435⁄8
13⁄4
hp
0.2
34
23
(889)
(44)
1
cfm X 1000
83 ⁄2
35
40
29
1
(1778)
2
0
1/
0.4
DO
LBP Dimensions
RPM
HP
Density 0.075 lb/ft3
7
hp
hp
50
hp
(1626)
100
1
(318)
0.6
2
64
150
0.8
1/
12 ⁄2
1
200
1
64
(1626)
1.0
hp
13⁄4
250
2
(1153)
(44)
1.2
5
(965)
300
hp
(2019)
(2210)
3
38
MC
UR
VE
1.4
87
79 ⁄2
1
(1626)
Hood Thickness
Cover Thickness
Louver Thickness
Curb Cap Thickness
Damper Size Square
Roof Opening Square
Weight*
LB-54
0.064 (0.029)
0.064 (0.029)
54 (1372)
561⁄2 (1435)
Galvanized
596 (270)
LBP-54
0.064 (0.029)
0.081 (0.036)
0.064 (0.029)
54 (1372)
561⁄2 (1435)
Aluminum
780 (354)
All dimensions are in inches (millimeters). Weight in pounds (kilograms).
*Weight shown is the largest cataloged Open Drip Proof motor.
See page 8 for severe duty LBP dimensions.
Model
Number
Motor
HP
Fan
RPM
130
LB/LBP-54-10
1
155
206
LB/LBP-54-15
11⁄2
235
LB/LBP-54-20
2
258
277
LB/LBP-54-30
3
296
323
LB/LBP-54-50
5
350
376
LB/LBP-54-75
71⁄2
401
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
0
12159
0.25
4.6
14497
0.42
5.8
19267
0.99
8.7
21980
1.47
11.2
24131
1.95
12.1
25908
2.41
14.1
27685
2.94
17.6
30210
3.82
19.3
32736
4.87
18.9
35167
6.03
22
37506
7.32
25
0.125
11186
0.48
4.9
17356
1.1
8.5
20319
1.6
11.2
22628
2.09
12.5
24517
2.57
13.4
26383
3.11
15.5
29017
4.01
17.8
31634
5.06
19.5
34142
6.25
23
36544
7.54
26
0.25
CFM / Static Pressure in Inches wg
0.375
0.5
0.625
0.75
0.875
1
1.125
MAX. BHP AT A GIVEN RPM - (rpm/198)3
MAXIMUM FRPM = 401
TIP SPEED = rpm x 14.137
MAX. MOTOR FRAME SIZE = 213T
13895
1.12
8.7
17983
1.66
11.3
20831
2.18
13.0
22962
2.68
14.1
25030
3.25
15.2
27789
4.17
17.3
30514
5.25
20
33111
6.45
23
35583
7.77
26
14194
1.6
11.7
17904
2.21
13.3
20554
2.72
14.4
23122
3.31
16.0
26305
4.27
18.4
29312
5.39
21
32039
6.62
24
34583
7.96
27
17326
2.65
13.7
20394
3.34
15.1
24165
4.31
18.3
27766
5.46
22
30716
6.72
25
33500
8.11
28
16072
3.1
13.1
21535
4.29
16.8
25487
5.5
21
29030
6.79
26
32150
8.19
29
17215
4.01
14.7
22974
5.43
19.0
26889
6.82
24
30332
8.24
29
18944
5.13
17.8
24483
6.71
22
28324
8.29
27
20824
6.4
21
26018
8.13
26
22767
7.81
24
Performance certified is for installation type A: Free inlet, Free outlet. Power rating (Bhp) does not include transmission losses. Performance ratings include the effects of a
birdscreen in the airstream. The sound ratings shown are loudness values in fan sones at 5 feet (1.5 m) in a hemispherical free field calculated per AMCA Standard 301. Values
shown are for installation type A: Free inlet hemispherical sones.
22
Specifications
Direct Drive Specifications
The LD and LDP exhaust fans shall be direct drive type. The fan wheel shall be centrifugal backward
inclined, constructed of aluminum and shall include a wheel cone carefully matched to the fan’s venturi
for precise running tolerances. Wheels shall be statically and dynamically balanced. The fan shall be
constructed of heavy gauge steel or aluminum with a rigid internal support structure and a birdscreen.
Motors shall be mounted on vibration isolators. Motors shall be readily accessible for maintenance.
A disconnect switch shall be factory installed and wired from the fan motor to a junction box within
the motor compartment. A conduit chase shall be provided through the curb cap to the motor
compartment for ease of electrical wiring.
All fans shall bear the AMCA Certified Ratings Seal for sound and air performance.
Each fan shall bear a permanently affixed manufacturer’s engraved aluminum nameplate containing the
model number and individual serial number for future identification.
Fans shall be models LD or LDP as manufactured by Greenheck Fan Corporation in Schofield,
Wisconsin, USA.
Belt Drive Specifications
The LB and LBP exhaust fans shall be belt drive type. The fan wheel shall be centrifugal backward
inclined, constructed of aluminum and shall include a wheel cone carefully matched to the fan’s venturi
for precise running tolerances.
Wheels shall be statically and dynamically balanced. The fan shall be constructed of heavy gauge steel
or aluminum with a rigid internal support structure and birdscreen.
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
steel. Motors and drives shall be mounted on vibration isolators. Motors and drives shall be readily
accessible for maintenance.
Precision ground and polished fan shafts shall be mounted in permanently sealed, lubricated pillow
block ball bearings. Bearings shall be selected for a minimum L10 life in excess of 100,000 hours
(L50 average of 500,000 hours) at maximum cataloged operating speed. 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. A disconnect switch shall be factory
installed and wired from the fan motor to a junction box installed within the motor compartment. A
conduit chase shall be provided through the base to the motor compartment for ease of electrical
wiring.
All fans shall bear the AMCA Certified Ratings Seal for sound and air performance.
Each fan shall bear a permanently affixed manufacturer’s engraved aluminum nameplate containing
the model number and individual serial number for future identification.
Fans shall be models LB or LBP as manufactured by Greenheck Fan Corporation in Schofield,
Wisconsin, USA.
23
Other Centrifugal Exhaust Fans
Models G and GB, direct or belt drive, spun aluminum downblast
centrifugal roof exhaust fans are an economical means of exhausting air.
They utilize a backward inclined wheel and are available in 45 different
sizes. Performance capacities range up to 3.25 in. wg (810 Pa) of static
pressure and from 50 to 44,700 cfm (85 to 75,900 m3/hr).
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/cUL Listed for electrical or grease. Performance capacities ranges
up to 5 in. wg (1242 Pa) and up to 30,000 cfm (51,000 m3/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
applications. The SWB Series 200 fans are constructed with heavy gauge steel.
Designed for light industrial duty and grease applications, it’s capacities range
from 70 to 27,000 cfm (120 to 45,900 m3/hr) and up to 5 in. wg (1,118 Pa) of static
pressure. SWB fans can be mounted indoors or outdoors.
Models NYD and NYB, direct or belt drive, tamper resistant centrifugal roof
exhaust fans are galvanized construction and prevent entry into the unit
and/or building. They utilize a backward inclined wheel and are available in
10 different sizes. Performance capacities range from 170 to 8,080 cfm
(290 to 13,700 m3/hr) and up to 1 in. wg (249 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
comprehensive selection of
top quality, innovative airrelated 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.
Our Warranty
Greenheck warrants this equipment to be free from defects in material and workmanship for a period
of one year from the shipment 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
Prepared to Support
Green Building Efforts
specifications without notice.
P.O. Box 410 • Schofield, WI 54476-0410 • Phone (715) 359-6171 • greenheck.com
Series L Rev 5 May 2009 SN
Copyright © 2009 Greenheck Fan Corp.
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