Greenheck Fan Series L manual Lb/Lbp, Belt Drive, LB Dimensions, LBP Dimensions, LB-54, LBP-54

LB/LBP 54

Belt Drive

LB Dimensions

791⁄2

(2019)

13⁄4	64
(44)	(1626)

38	87
	(2210)
(965)
			Pa
		121⁄2	453⁄8
			PressureStatic
			(1153)
	64	(318)
	(1626)

300

250

200

150

100

50

1.4

E

RPM

HP

1.2

5

V

3

hp

C

UR

7

Density 0.075 lb/ft3

hp

M

1/2

wg

1.0

T

E

hp

S

2

Y

S

in.

hp

S

401

Pressure

0.8

T

H

I

F

1

T

O

348

1/2

F

0.6

1

hp

hp

L

E

Static

T

H

E

293

O

0.4

T

T

239

E

C

L

E

0.2

S

184

T

O

O

N

130

D

LBP Dimensions

0

0.00	5	10	15	20	25	30	35	40
				cfm X 1000

70

(1778)

13⁄4	64
(44)	(1626)

831⁄2

35(2121)

(889)

435⁄8

(1108)

64

(1626)

0	10	20	30	40	50	60
			m3/hr X 1000
				LB-54		LBP-54
Hood Thickness			0.064 (0.029)			-
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			54 (1372)			54 (1372)
Roof Opening Square			561⁄2 (1435)		561⁄2 (1435)
Weight*			Galvanized,		Aluminum,
			596 (270)		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	Motor			Fan							CFM / Static Pressure in Inches wg
Number	HP			RPM				0	0.125	0.25	0.375	0.5		0.625	0.75	0.875	1	1.125
					CFM			12159
				130									MAX. BHP AT A GIVEN RPM - (rpm/198)3
					BHP			0.25
					Sones			4.6					MAXIMUM FRPM = 401
													TIP SPEED = rpm x 14.137
					CFM		14497		11186
													MAX. MOTOR FRAME SIZE = 213T
LB/LBP-54-10	1		155		BHP		0.42		0.48
					Sones		5.8		4.9
					CFM		19267		17356	13895
		206			BHP	0.99			1.1	1.12
					Sones			8.7	8.5	8.7
					CFM			21980	20319	17983	14194
LB/LBP-54-15	11⁄2		235		BHP		1.47		1.6	1.66	1.6
					Sones		11.2		11.2	11.3	11.7
					CFM		24131		22628	20831	17904
LB/LBP-54-20	2	258			BHP		1.95		2.09	2.18	2.21
					Sones	12.1			12.5	13.0	13.3
					CFM			25908	24517	22962	20554	17326
				277	BHP			2.41	2.57	2.68	2.72	2.65
LB/LBP-54-30	3				Sones			14.1	13.4	14.1	14.4	13.7
					CFM		27685		26383	25030	23122	20394		16072
			296		BHP		2.94		3.11	3.25	3.31	3.34		3.1
					Sones		17.6		15.5	15.2	16.0	15.1		13.1
					CFM		30210		29017	27789	26305	24165		21535	17215
		323			BHP	3.82			4.01	4.17	4.27	4.31		4.29	4.01
LB/LBP-54-50	5				Sones		19.3		17.8	17.3	18.4	18.3		16.8	14.7
					CFM		32736		31634	30514	29312	27766		25487	22974	18944
			350		BHP		4.87		5.06	5.25	5.39	5.46		5.5	5.43	5.13
					Sones		18.9		19.5	20	21	22		21	19.0	17.8
					CFM	35167			34142	33111	32039	30716		29030	26889	24483	20824
			376		BHP	6.03			6.25	6.45	6.62	6.72		6.79	6.82	6.71	6.4
LB/LBP-54-75	71⁄2				Sones	22			23	23	24	25		26	24	22	21
					CFM			37506	36544	35583	34583	33500		32150	30332	28324	26018	22767
		401			BHP			7.32	7.54	7.77	7.96	8.11		8.19	8.24	8.29	8.13	7.81
					Sones			25	26	26	27	28		29	29	27	26	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.

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