Greenheck Fan QEP Class Maximum rpm Maximum rpm  3900, Maximum rpm 2786, 2744  4400

Plenum Size 16

QEP Class I	Maximum rpm 2374
QEP Class II	Maximum rpm 
QEP Class III	Maximum rpm	3900
QEM	Maximum rpm	2786

Note: Model QEM does not utilize class designations.

QEP Motor on Frame Limit	215T
Minimum Motor Size	1/3 [hp]
Wheel Diameter	16.50	[in.]
	419	[mm]
Peak Power	(rpm / 1571)3	[hp]
	(rpm / 1732)3	[kW]
Wheel Outlet Velocity	cfm / 2.07	[ft/min]
	m3/s / 1.22	[m/s]
Tip Speed	rpm x 4.32	[ft/min]
	rpm x 0.0219	[m/s]
% Wide Open Volume (%WOV)	cfm / (rpm x 0.0247)	[%]
	m3/hr / (rpm x 0.0420)	[%]

Imperial data — Metric data

Static Pressure (Pa x 100)

30

25

20

15

10

5

0

Static Pressure (in. wg)

14

12

10

8

6

4

2

0

0

0

																		15																	E			rpm
																																						hp
																																		R	V	20
																																	U					% WOV
																																C
7½		10																																	60%		Density 0.075 lb/ft3
																															M
																													T	E							Density 1.2 kg/m3
5																												YS
																											S
																										S
																								T	H	I										70%
																							F
																						O
																				F	T
																			E
																		L
3																	E
																H
															T																					3900
														O																							80%
													T
2											E	C	T																						3385
										L
									E
								S																					3095
							T
1½						O
					N																		2786
				O
1			D															2686																				90%
													2374
¾						1979
½			1571
	1247
1	2		3										4												5										6	7	8	9	10

Volume (cfm x 1000)

2 4 6 8 10 12 14 16

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
3600	1730	1726	1.07	1949			2146 2.46			2328 3.20
4000	1923	 1.30		2076 2.04			2264 2.81			 3.61			 				2744 
4400		2007		2207 2.36			2384 3.21			 4.06			2703 					2849 		 6.83
4800	2307	 1.86		2341 2.73			 3.63			2669 				2816 				 6.48		3090		7.48	3216 
		2301	2.20	2478		3.14	2641		4.10		2790 		2934 6.10				3067 7.13			3197		8.19	3322 9.27		3440 10.4
	2692	 		2618 3.60			2773 4.62				2918 		 6.76				 7.84			3308			3429 10.1		 11.3
6000	2884	2602	3.02	 4.11				2908 			3048 6.31		3178			7.46	 8.61			3426		9.77	 11.0		 12.2
6400	3076	 			2903 4.68			3046 		3180 7.00			3307			8.20	3427		9.44			10.7	 11.9		3766 13.2
6800	3269	2907	4.06	 			3186 			3314			3437			9.01	 10.3			3666		11.6	3778	12.9	3883 14.2
7200	3461	3061	4.67	3198			3327		7.26				 9.88				3684		11.2	3793		12.6	3898	14.0
7600	  			3346 6.69			3469		8.08			9.43	3704			10.8			12.2
8000	3846	3371	6.08	3496		7.49				3731		10.4	3842			11.8

RPM	807		Inlet Sound Power, L8J <E# SFG -12						XBUUT>
		1	2	3	4		6	7		8	L8JA
1100	100	84	78	73	69	64	62			48	72
	80	87	86	77	67	62	61			46	74
	60	84	86	72						47	72
			86	72	64					48	72
	100		80	77	74	69	68	66			77
	80	77	77	76	71	66		62			74
	60				71	64	64	60			73
		76			70	64	64	60			73
2000	100	76	79	77	86			73		68	
	80	76	79	78	87	73	72	68			84
	60		80	78	86	70	70	67			84
			81	78		70	69	67			83
2800	100	86	86	82	89	82	81	80		80	90
	80	92	88	81	88	79	79	77		76	88
	60	88	88	81	89	78	78	76		74	88
		87	88	81	89	78	77			74	88
3900	100	93	96	92	93	93	88	88		88	97
	80	99	99	92	92	92	86	86		84	96
	60	94	98	93	92	91		84		82	
		94	97	92	92	91		84		82	

RPM	807		Outlet Sound Power, L8P <E# SFG -12						XBUUT>
		1	2	3	4		6	7		8	L8PA
1100	100	71	80	73	70	72	71	64			76
	80	71	77	73	69	71	69	61			
	60	72	76	70	67	68	66	61			73
		72		69	67	67	66	61			72
	100		78	83	77	77	76	74		64	83
	80		77	83		74	73	69		61	80
	60		78	80	73	72	72	68		62	78
			78	79	73	72	71	68		62	78
2000	100	78	77	80	86	83	80	78			88
	80	78	78	81	86	80	78			71	87
	60	78	77	79	83	78	77	74		69	84
		79	77	80	82	78	76	74		70	84
2800	100	89		86	94	91	90	88		87	97
	80	90	87	86	94	88	86	83		81	
	60	88	86		91	86		82		79	92
		89	86	84	91	86	84	82		78	92
3900	100	96	96	94	98	100	98	96			
	80	96	98		98	99		92		90	103
	60		96	94	96	96	93	91		88	100
		96	97	93	96	96	92	90		87	100

1FSGPSNBODF
DFSUJGJFE
JT
GPS
JOTUBMMBUJPO
UZQF
"
'SFF
JOMFU
'SFF
PVUMFU
1PXFS
SBUJOHT
#IQ
EP
OPU
JODMVEF
USBOTNJTTJPO
MPTTFT
1FSGPSNBODF
SBUJOHT
EP
OPU
JODMVEF
the effects of appurtenances (accessories).

The sound power level ratings shown are in decibels, referred to 10-12XBUUT
DBMDVMBUFE
QFS
".$"
*OUFSOBUJPOBM
4UBOEBSE

7BMVFT
TIPXO
BSF
GPS
JOMFU
-8J
, L8J
A and outlet L8P
, L8P
A 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 L8J
A and L8P
A values.

16