Greenheck Fan QEP Class Maximum rpm 2744, Maximum rpm 1960, 1087, 1389, 1644 9000 1969 1180

Plenum Size 24

QEP Class I	Maximum rpm 1670
QEP Class II	Maximum rpm 2178
QEP Class III	Maximum rpm	2744
QEM	Maximum rpm	1960

Note: Model QEM does not utilize class designations.

QEP Motor on Frame Limit	256T
Minimum Motor Size	3/4 [hp]
Wheel Diameter	24.50	[in.]
	622	[mm]
Peak Power	(rpm / 798)3	[hp]
	(rpm / 880)3	[kW]
Wheel Outlet Velocity	cfm / 4.58	[ft/min]
	m3/s / 2.69	[m/s]
Tip Speed	rpm x 6.41	[ft/min]
	rpm x 0.0326	[m/s]
% Wide Open Volume (%WOV)	cfm / (rpm x 0.0896)	[%]
	m3/hr / (rpm x 0.152)	[%]

Imperial data — Metric data

Static Pressure (Pa x 100)

30

25

20

15

10

5

0

	14																										60	rpm
																								E	50
																30										60%		hp
																								V				% WOV
																								R
																												Density 0.075 lb/ft3
	12								25															U
																						E	M	C				Density 1.2 kg/m3
																						T
							20															S
wg)																						Y					70%
	10																				IS	S
			15
(in.																				T	H
																			F
																		O
																	T
Pressure																EF
	8	10																									2744
														E	L													80%
													H
												T														2480
		7½									O
	6								T	T
								C
Static							LE																		2178
		5
							E
							S																	1960
	4				N	O	T																					90%
		3		O																		1670
			D
	2	2													1365
							1005
	00		5															10								15		20	25

Volume (cfm x 1000)

0 5 10 15 20 25 30 35 40

Volume (m3/hr x 1000)

								STATIC PRESSURE (in. wg)
CFM	OV		1		2		3		4	5		6		7		8			9
		RPM	#)1	RPM	#)1	RPM	#)1	RPM	#)1	RPM	#)1	RPM	#)1	RPM	#)1	RPM	#)1	RPM	#)1
8000		1087	2.08			1389			6.88	1644	8.62
9000	1969	1180		1329	4.18	1463			7.81	1703	9.68		11.6
10000	2188		3.07	1418	4.86		6.77		8.82	1770	10.8	1873	12.9	1976		2073	17.3
11000	2407	1373	3.69				7.66	1737	9.82	1841	12.1	1942	14.3	2036	16.6	2131	18.9	2221	21.3
12000		1474	4.41	1601	6.49	1714	8.66	1817	10.9	1918	13.3	2013		2106	18.2	2193	20.7	2280	23.2
13000	2844				7.44		9.78	1903	12.2	1997	14.7	2090	17.3	2178	20.0	2264	22.6		
14000	3063	1681	6.17	1790		1896	11.0	1992		2081	16.2	2169	18.9		21.8	2336	24.7	2416	
	3282		7.23	1886	9.71	1989	12.3	2083		2169	17.8		20.6	2333	23.6	2413	26.6	2489	29.8
16000		1890	8.42	1986	11.0	2083	13.8	2174	16.7		19.6	2338		2414		2491	28.7		32.0
17000	3719	1996	9.74	2088		2178		2267	18.4	2349		2427	24.6		27.7		31.0		34.4
18000	3938	2103	11.2	2191	14.1	2274	17.1	2360	20.3	2441			26.8		30.1		33.4	2726	36.9
19000		2210	12.8	2294		2372	19.1		22.3			2608	29.2	2679	32.6

RPM	807		Inlet Sound Power, L8J <E# SFG -12						XBUUT>
		1	2	3	4		6	7		8	L8JA
	100	71	87	79	69	67	68				76
	80	71	83	76	66	64					72
	60	81	82	78	67	61		49		43	72
		81	82	78	67	61		49		43	72
1000	100		80	91	78	74	72	67		60	84
	80	72	86	90		70	68	60			83
	60	73	83	84	71	66	64				78
		72	82		71	66	64				78
1400	100	79	83	98		83	81	76		70	92
	80	76	81	97	82	78	76	70		66	90
	60		79	92	77	73	72	68			
		74	78	90		71	70	67		66	82
2000	100	88	88		100	94	91	86		82	100
	80	84	86	91	96	89	86	80		76	96
	60	83	89	92	94	83	81	77			93
		82	90	93	92	81	79	76			91
2744	100	93	97	100		103	99			91	107
	80	89	93	96	102	99	94	90			103
	60	89		98	100		89			82	100
		88		99	99	93	87	84		82	99

RPM	807		Outlet Sound Power, L8P <E# SFG -12						XBUUT>
		1	2	3	4		6	7		8	L8PA
	100	76		78	74	74	74	62			80
	80	79	82	76	73	72	64				76
	60	78	81	74	71	71	64				
		77	82	72	69	70	64				74
1000	100		83	90		81	78	73		63	87
	80	73	84	87	82	77	73			60	84
	60	77		84	80		70	64		62	82
		78		83	80	74	69	64		64	81
1400	100	82	84	101	94	91	86	82		74	97
	80	79	83	98	90	87	82	76		70	93
	60	81	83	93		83	78	73		70	89
		82	83	91	83	81	77	71		70	87
2000	100	89	91	98		102	96	91		88	106
	80	88	90		102	97	92			81	102
	60	91	94	94	96	92	86	81		79	97
		94		96	93	90	84	80		78	
2744	100	94	99	102	110	110	106	101		96	113
	80	93	98	101	108	107	101	96		90	110
	60	97	101	102	102	101	96	91		87	
		100	104	104	100	98	94	89		86	103

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the effects of appurtenances (accessories).

The sound power level ratings shown are in decibels, referred to 10-12XBUUT
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-8J, L8JA and outlet L8P, L8PA sound power levels for installation type A: Free inlet, Free outlet. The A-weighted sound ratings shown have been calculated per AMCA International Standard 301. Outlet ratings do not include the effects of duct end correction.

The AMCA International Certified Ratings Seal for Sound for model QEM only applies to the single L8JA and L8PA values.

20