Greenheck Series L Brochure & Specs page 17

LB/LBP 24
Belt Drive
LB Dimensions
45 1 ⁄
2
(1156)
1 ⁄
3
34
4
(44)
(864)
LBP Dimensions
40
(1016)
34
1 3 ⁄
4
(864)
(44)
Model Motor
Number HP
LB/LBP-24-4 1/4
LB/LBP-24-3 1/3
LB/LBP-24-5 1/2
LB/LBP-24-7 3/4
LB/LBP-24-10 1
LB/LBP-24-15 1 1 ⁄
2
LB/LBP-24-20 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.
51
20 1 ⁄
(1295)
2
(521)
6 3
34
(171)
(864)
49 1 ⁄
2
20
(1257)
(508)
34
(864)
Fan
RPM
0 0.25
CFM 3419
355 BHP 0.11
Sones 5.8
CFM 3938 2715
409 BHP 0.17 0.19
Sones 6.3 5.1
CFM 4449 3451
462 BHP 0.24 0.28
Sones 7.4 6.3
CFM 4892 4043
508 BHP 0.32 0.36
Sones 8.5 7.4
CFM 5604 4917
582 BHP 0.48 0.54
Sones 10.7 9.4
CFM 6018 5381
625 BHP 0.59 0.66
Sones 12.4 11.0
CFM 6423 5828
667 BHP 0.72 0.8
Sones 14.1 12.7
CFM 7068 6531
734 BHP 0.96 1.05
Sones 17.0 15.3
CFM 7578 7080
787 BHP 1.18 1.29
Sones 19.6 17.4
CFM 8358 7907
868 BHP 1.58 1.7
Sones 24 21
CFM 8763 8333
910 BHP 1.82 1.95
Sones 27 24
1.6
350
1.4
300 1.2
250 1.0
23 1 ⁄
2
(597)
200
0.8
150 0.6
⁄
4
100 0.4
50 0.2
0 0.0
23 1 ⁄
Hood Thickness
2
(597) Cover Thickness
Louver Thickness
Curb Cap Thickness
Damper Size Square
Roof Opening Square
Weight*
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.
CFM / Static Pressure in Inches wg
0.375 0.5 0.625
MAX. BHP AT A GIVEN RPM - (rpm/710)
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 3899
0.55 0.55
8.9 8.4
4988 4497 3929
0.68 0.68 0.66
10.3 10.0 9.5
5505 5062 4589
0.82 0.83 0.83
12.0 11.5 11.1
6252 5912 5503
1.08 1.1 1.1
14.6 13.9 13.5
6820 6560 6190
1.32 1.35 1.36
16.5 15.9 15.4
7675 7440 7192
1.74 1.78 1.81
20 19.4 18.9
8114 7889 7664
2 2.04 2.07
23 21 21
Density 0.075 lb/ft
0 1000 2000 3000 4000 5000 6000
cfm
0 2 4 6 8 10
3
m /hr X 1000
LB-24
22 ga
- 0.064
- 0.081
0.064 0.064
(0.029)
24
(610)
26 1 ⁄
(673)
2
Galvanized, Aluminum,
188
(85)
0.75 0.875 1 1.25
3984
0.79
10.9
5073 4555
1.1 1.07
13.2 12.9
5799 5398 4909
1.36 1.36 1.32
15.0 14.8 14.1
6855 6505 6141 5285
1.82 1.83 1.82 1.76
18.3 17.9 17.6 16.0
7377 7056 6713 5995
2.09 2.1 2.1 2.08
20 19.8 19.5 18.4
RPM
HP
3
7000 8000 9000
12 14
LBP-24
-
(0.029)
(0.036)
(0.029)
24
(610)
26 1 ⁄
(673)
2
239
(108)
1.375
3
5537
2.03
17.2
17