Greenheck Fan SQ/BSQ manual BSQ 70 - Belt Drive, 2486

BSQ 70 - Belt Drive

*151⁄2 *14

(394) (356)

1(25)

117⁄8

(302)

1521

(381) (533)

*121⁄2

(318)

15

(381)

Static Pressure Pa

600

400

200

0

2.5

E

V

RPM

R

1/2

1/3

U

hp

HP

C

2.0

hp

M

Density 0.075 lb/ft3

E

1/4

T

S

wg

hp

Y

S

S

in.

I

H

1.5

T

Pressure

F

O

T

2486

F

E

L

1.0

HE

2150

Static

T

O

T

1810

T

C

0.5

E

L

E

1470

S

T

N

O

1130

O

790

0.00

D

100

200

300

400

500

600

cfm

0

200

400

600

800

1000

m3/hr

Damper size = 12 x 12 (305 x 305) Unit weight** = 76 (34)

Housing thickness = 18 ga

Model	Motor	Fan
Number	HP	RPM

70

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.

CFM / Static Pressure in Inches wg

0.125 0.250 0.500 0.625 0.750 1.000 1.250 1.500 1.750 2.000

			CFM	184	129
		1050	BHP	0.039	0.037				MAX Bhp AT A GIVEN RPM = (rpm/3084)3
			Sones	8.0	7.5						MAXIMUM RPM = 2486
										TIP SPEED (ft/min) = rpm x 2.928
			CFM	251	211	117
									MAX NEMA MOTOR FRAME SIZE = 145T
		1313	BHP	0.077	0.076	0.068
									OUTLET VELOCITY (ft/min) = 1.0212 x cfm
			Sones	11.0	10.4	9.2
			CFM	284	249	169	122
		1445	BHP	0.103	0.102	0.097	0.09
			Sones	12.8	12.3	10.7	10.3
			CFM	314	284	213	175	131
70-4	1/4	1577	BHP	0.13	0.13	0.13	0.12	0.12
			Sones	14.9	14.6	12.7	11.9	11.4
			CFM	345	318	254	220	184	97
		1709	BHP	0.17	0.17	0.17	0.16	0.16	0.14
			Sones	16.1	15.9	14.5	13.9	13.3	12.4
			CFM	375	351	293	262	231	159
		1840	BHP	0.21	0.21	0.21	0.21	0.20	0.19
			Sones	17.3	17.0	16.4	16.0	15.4	14.5
			CFM	405	384	331	302	273	212		142
		1972	BHP	0.26	0.26	0.26	0.25	0.25	0.24		0.22
			Sones	19.2	19.1	18.6	18.2	17.9	17.7		16.5
			CFM	428	408	360	332	305	249		184	103
		2072	BHP	0.30	0.30	0.30	0.30	0.29	0.29		0.27	0.24
70-3	1/3		Sones	20	20	19.9	19.5	19.1	18.5		18.2	16.8
			CFM	450	431	387	361	335	282		224	161
		2172	BHP	0.34	0.35	0.35	0.34	0.34	0.33		0.32	0.30
			Sones	21	21	21	21	20	19.7		19.2	18.8
			CFM	486	467	428	406	381	332		283	225	166
		2329	BHP	0.43	0.43	0.43	0.43	0.42	0.42		0.41	0.39	0.36
70-5	1/2		Sones	23	23	23	23	23	22		21	20	21
			CFM	521	504	468	447	426	380		334	287	232	176
		2486	BHP	0.52	0.52	0.52	0.52	0.52	0.51		0.50	0.49	0.47	0.44
			Sones	25	25	25	25	25	24		23	22	22	23

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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