Greenheck Series L Brochure & Specs page 15

LB/LBP 18
Belt Drive
LB Dimensions
40
(1016)
1 ⁄
3 30
4
(44)
(762)
LBP Dimensions
36
(914)
30
1 3 ⁄
4
(762)
(44)
Model Motor
Number HP
LB/LBP-18-4 1/4
LB/LBP-18-3 1/3
LB/LBP-18-5 1/2
LB/LBP-18-7 3/4
LB/LBP-18-10 1
LB/LBP-18-15 1 1 ⁄
2
LB/LBP-18-20 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.
39
17 ⁄
1
2 (991)
(445)
4 1
30
(114)
(762)
46
(1168)
19
(483)
30
(762)
Fan
RPM
0 0.125
CFM 1753 1422
465 BHP 0.056 0.064
Sones 3.6 2.7
CFM 2119 1871
562 BHP 0.099 0.108
Sones 4.9 4.1
CFM 2847 2671
755 BHP 0.24 0.25
Sones 8.7 7.9
CFM 3115 2957
826 BHP 0.31 0.33
Sones 10.2 9.5
CFM 3348 3203
888 BHP 0.39 0.4
Sones 11.7 11.0
CFM 3578 3442
949 BHP 0.48 0.49
Sones 13.4 13.0
CFM 4091 3972
1085 BHP 0.71 0.73
Sones 16.8 16.2
CFM 4302 4189
1141 BHP 0.83 0.84
Sones 18.0 17.3
CFM 4849 4749
1286 BHP 1.19 1.2
Sones 21 20
CFM 5185 5091
1375 BHP 1.45 1.47
Sones 24 23
CFM 5505 5417
1460 BHP 1.73 1.76
Sones 26 25
2.5
600
2.0
400
21
1.5
(533)
1.0
⁄
200
2
0.5
0 0.0
0
0
24 1 ⁄
Hood Thickness
2
(622)
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 0.5 0.75
MAX. BHP AT A GIVEN RPM - (rpm/1157)
MAXIMUM FRPM = 1460
TIP SPEED = rpm x 4.843
1522
MAX. MOTOR FRAME SIZE = 145T
0.114
3.4
2474 1925
0.27 0.27
7.4 6.5
2778 2324
0.34 0.36
8.9 8.0
3039 2638 2110
0.42 0.45 0.44
10.4 9.4 8.7
3292 2936 2498
0.51 0.54 0.55
12.0 11.0 10.3
3847 3575 3218
0.75 0.79 0.82
15.5 14.6 13.4
4073 3814 3493
0.86 0.91 0.94
16.7 15.9 14.8
4648 4423 4183
1.22 1.27 1.32
19.8 19.2 18.5
4997 4790 4576
1.49 1.54 1.59
22 21 21
5328 5138 4936
1.78 1.83 1.88
24 23 23
Density 0.075 lb/ft
1000 2000 3000 4000
cfm
2 4 6
3
m /hr X 1000
LB-18
22 ga
- 0.064
- 0.081
0.064 0.064
(0.029)
18
(457)
20 1 ⁄
(521)
2
Galvanized, Aluminum,
135
(61)
1 1.25 1.5 1.75
2822
0.82
12.9
3140 2674
0.96 0.93
14.1 13.8
3880 3568 3208
1.35 1.37 1.35
17.8 17.4 17.1
4311 4025 3719 3382
1.63 1.66 1.67 1.65
20 19.9 19.6 19.5
4714 4446 4176 3874
1.93 1.98 2 2
22 22 22 22
RPM
HP
3
5000 6000
8 10
LBP-18
-
(0.029)
(0.036)
(0.029)
18
(457)
20 1 ⁄
(521)
2
179
(81)
2
3
3538
1.97
22
15