Greenheck Series L Brochure & Specs page 20

LB/LBP 42
Belt Drive
LB Dimensions
70 5 ⁄
8
(1794)
1 ⁄
3
52
4
(44)
(1321)
LBP Dimensions
58
(1473)
52
1 3 ⁄
4
(1321)
(44)
Model Motor
Number HP
LB/LBP-42-5 1/2
LB/LBP-42-7 3/4
LB/LBP-42-10 1
LB/LBP-42-15 1 1 ⁄
2
LB/LBP-42-20 2
LB/LBP-42-30 3
LB/LBP-42-50 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.
20
75
33 1 ⁄
(1905)
2
(851)
11 1
52
(292)
(1321)
70 1 ⁄
2
29
(1791)
(737)
52
(1321)
Fan
RPM
0 0.125
CFM 8328 6455
190 BHP 0.21 0.25
Sones 5.2 4.3
CFM 10827 9583
247 BHP 0.47 0.53
Sones 6.9 6.0
CFM 12405 11362
283 BHP 0.71 0.78
Sones 8.3 7.6
CFM 13632 12718
311 BHP 0.94 1.02
Sones 9.8 9.3
CFM 14640 13812
334 BHP 1.17 1.25
Sones 11.5 11.0
CFM 15605 14828
356 BHP 1.41 1.5
Sones 13.2 12.7
CFM 17183 16477
392 BHP 1.89 1.98
Sones 16.1 15.5
CFM 18410 17751
420 BHP 2.32 2.42
Sones 18.6 18.0
CFM 19637 19020
448 BHP 2.82 2.93
Sones 22 21
CFM 21128 20554
482 BHP 3.51 3.63
Sones 23 23
CFM 22574 22037
515 BHP 4.28 4.41
Sones 25 24
1.6
1.4
300 1.2
37 3 ⁄
1.0
8
(949)
200 0.8
0.6
⁄
2
100
0.4
0.2
0 0.0
0
0
38 1 ⁄
Hood Thickness
4
(972)
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
0.25 0.375 0.5 0.625
MAX. BHP AT A GIVEN RPM - (rpm/301)
MAXIMUM FRPM = 515
TIP SPEED = rpm x 11.061
7772
MAX. MOTOR FRAME SIZE = 184T
0.55
5.5
9965 7932
0.83 0.81
7.1 6.5
11521 10057
1.08 1.1
8.7 8.3
12766 11480 9795
1.33 1.37 1.35
10.4 9.8 9.2
13887 12733 11417
1.58 1.64 1.66
12.1 11.5 10.8
15667 14715 13626 12382
2.08 2.16 2.21
14.9 14.3 13.7
17030 16205 15201 14135
2.52 2.62 2.68
17.3 16.6 16.1
18378 17605 16740 15786
3.04 3.14 3.22
20 19.4 18.8
19980 19281 18562 17683
3.74 3.86 3.97
22 22 21
21500 20887 20214 19480
4.53 4.65 4.77
24 24 23
Density 0.075 lb/ft
2 4 6 8 10 12 14 16
cfm X 1000
10 20 30
3
m /hr X 1000
LB-42
0.064
(0.029)
- 0.064
- 0.081
0.064 0.064
(0.029)
42
(1067)
44 1 ⁄ 44
(1130)
2
Galvanized, Aluminum,
396
(180)
0.75 0.875 1
9401
1.59
10.3
10481
2.21 2.13
13.2 12.9
12945 11013
2.72 2.72 2.61
15.4 15.3 15.2
14735 13494
3.28 3.3 3.28
18.1 17.5 17.6
16796 15798 14692
4.04 4.1 4.11 4.09
20 19.3 18.7 18.5
18651 17822 16871
4.87 4.94 5.01 5.01
22 21 21 20
RPM
HP
3
18 20 22 24
40
LBP-42
-
(0.029)
(0.036)
(0.029)
42
(1067)
1 ⁄
(1130)
2
530
(240)
1.25
3
14331
4.88
19.3