Greenheck Fan SQ/BSQ manual BSQ 90 Belt Drive, 2691, 1550

BSQ 90 - Belt Drive

*151⁄2 *14

(394) (356)

1(25)

117⁄8

(302)

15	21
(381)	(533)

Damper size = 12 x 12 (305 x 305)

*121⁄2

(318)

15

(381)

Static Pressure Pa

700

600

500

400

300

200

100

0

3.0

E

1

RPM

V

3/4

R

hp

HP

2.5

U

hp

Density 0.075 lb/ft3

C

1/2

M

E

hp

wg

T

S

2.0

Y

in.

S

S

I

2691

Pressure

1/4

1/3

H

T

hp

1.5

hp

F

O

T

2310

F

E

Static

L

1.0

E

H

O

T

1930

T

T

C

E

1550

0.5

L

E

S

1170

T

O

790

N

O

0.00

D

200

400

600

800

1000

1200

1400

1600

1800

cfm

0

500

1000

1500

2000

2500

3000

m3/hr

Unit weight** = 84 (38) Housing thickness = 18 ga

Dimensions shown in inches (millimeters) and weight is shown in pounds (kilograms). *Motor cover is optional. Size may be greater depending on motor.

**Weight shown is largest cataloged Open Drip Proof motor.

Model	Motor	Fan					CFM / Static Pressure in Inches wg
Number	HP	RPM		0.125	0.250	0.500	0.750	1.000	1.500			1.750	2.000	2.250	2.500
90
			CFM	547	443
		1050	BHP	0.061	0.061					MAX Bhp AT A GIVEN RPM = (rpm/2649)3
			Sones	8.0	7.6							MAXIMUM RPM = 2691
											TIP SPEED (ft/min) = rpm x 2.928
			CFM	655	574	333
										MAX NEMA MOTOR FRAME SIZE = 145T
		1211	BHP	0.092	0.095	0.084
										OUTLET VELOCITY (ft/min) = 1.0212 x cfm
90-4	1/4		Sones	9.8	9.1	8.3
			CFM	864	806	667	477
		1533	BHP	0.18	0.19	0.19	0.18
			Sones	14.2	13.8	12.1	11.0
			CFM	965	914	798	654	437
		1694	BHP	0.25	0.25	0.26	0.25	0.22
			Sones	16.0	15.8	14.4	13.1	12.3
			CFM	1019	971	863	734	562
		1780	BHP	0.29	0.29	0.30	0.30	0.28
90-3	1/3		Sones	16.7	16.5	15.6	14.4	13.7
			CFM	1072	1028	926	808	657
		1866	BHP	0.33	0.33	0.35	0.35	0.33
			Sones	17.5	17.3	16.9	15.9	15.4
			CFM	1239	1202	1118	1024	917	638
90-5	1/2	2136	BHP	0.49	0.50	0.51	0.52	0.52	0.47
			Sones	21	21	21	19.9	19.2	18.4
			CFM	1334	1300	1223	1138	1045	811			668
		2291	BHP	0.61	0.61	0.62	0.64	0.65	0.61			0.58
90-7	3/4		Sones	23	23	22	22	21	20			20
			CFM	1429	1396	1326	1249	1167	976			844	707
		2445	BHP	0.73	0.74	0.75	0.77	0.79	0.77			0.73	0.70
			Sones	25	25	24	25	23	22			22	23
			CFM	1504	1473	1407	1336	1258	1082			977	851	704
		2568	BHP	0.85	0.86	0.87	0.89	0.90	0.90			0.88	0.84	0.80
90-10	1		Sones	26	26	26	26	26	24			22	24	25
			CFM	1579	1549	1488	1420	1347	1186			1097	987	866	713
		2691	BHP	0.98	0.98	1.00	1.02	1.03	1.05			1.03	1.00	0.96	0.91
			Sones	28	28	27	28	28	26			25	24	26	29

Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the effects of appurtenances (accessories).

The sound ratings shown are loudness values in fan sones at 1.5 m (5 feet) in a hemispherical free field calculated per AMCA International Standard 301. Values shown are for installation type B: free inlet hemispherical sone levels.

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