Greenheck Fan QEM, QEP manual Plenum
Size Plenum Size

Plenum	Size 15
		Plenum Size 15

QEP Class I	Maximum rpm 2611
QEP Class II	Maximum rpm 3404
QEP Class III	Maximum rpm	4000
QEM	Maximum rpm	3064

Note: Model QEM does not utilize class designations.

QEP Motor on Frame Limit	213T
Minimum Motor Size	1/3 [hp]
Wheel Diameter	15.00	[in.]
	381	[mm]
Peak Power	(rpm / 1842)3	[hp]
	(rpm / 2031)3	[kW]
Wheel Outlet Velocity	cfm / 1.71	[ft/min]
	m3/s / 1.01	[m/s]
Tip Speed	rpm x 3.93	[ft/min]
	rpm x 0.0199	[m/s]
% Wide Open Volume (%WOV)	cfm / (rpm x 0.0186)	[%]
	m3/hr / (rpm x 0.0316)	[%]

Imperial data — Metric data

			12																																				15	rpm
																								10													E
																																								hp
																																					V			% WOV
																																				CU	R
																																						60%		Density 0.075 lb/ft3
				5				7½
	25		10																															E	M					Density 1.2 kg/m3
																																	T
																																S
																															Y
100)		wg)																												S
				3																									S
																											T	H	I										70%
	20		8
StaticPressure(Pax		StaticPressure(in.																							O	F
																							F	T
																						E																	4000
																					L
																				E
																			H
	15		6	2														T																					80%
																	O
																T
															T																					3404
														C
				1½									E																	3150
												L
											E
	10		4							S																			3064
								O	T
				1			N													2611
																																								90%
						D O
				¾
												2109
	5		2	½
				1		1674
				/3	1277
	0		0
				1	2											3															4							5	6	7	8
			0

Volume (cfm x 1000)

0 2 4 6 8 10 12

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
3000	1744	1910	0.90	 1.46			2371 			 2.67			 3.33
3200	1860	2002	1.01	2238		1.61	2448		2.22	2641		2.87	2819	
3400	1976	2096	1.13	2324		1.76	 2.41			2713 3.09			2889 3.79		 
3600	2093	2191	1.27	2411		1.92	2608		2.61	2790		3.31	2961	4.04	3121		4.80	3271		
3800	2209	2287	1.41	 2.10			2691 2.82			2869 			3033 4.31		3192 			3340 			3480 6.74
4000		 		 2.29			2776 3.04			2949 3.81			3110 		3264 			3411 6.24			 7.10		3681 7.98
4200	2441	2483	1.73	2681		2.49	2862		3.27	3029		4.08	3188 4.89		3337			3482			3619 7.47		 8.38
4400		 1.91		2773 2.71			2949 				3112 4.36		3268 		3414 6.07			 6.96			3690 7.87		3820	8.80
4600	2674	2682	2.11	2867		2.94	3038		3.78		3197 		3348 		3492 6.43			3628 7.34			3762	8.28	3890	9.24
4800	2790	2782	2.32	2960		3.19		3127	4.06		3283	4.96	3429			6.80		3706			3834	8.71	3962	9.69
	2906	2883		 				3218 		3370 			 6.24		 7.20			3784		8.17	3911	9.16
	3023	2984	2.79		 3.74			3309 4.66		 			 6.61		3732	7.61		3864		8.61	3989	9.62

RPM	807		Inlet Sound Power, L8J <E# SFG -12						XBUUT>
		1	2	3	4		6	7		8	LwiA
1200	100	84	78	73	69	63	62			48	71
	80	86	86	77	66	61	61			46	74
	60	82	87	72						47	73
		83	87	72	64					47	73
1600	100	73	78		73	68	67				
	80			74	70	64	64	61			72
	60	73	74	73	70	63	63				71
		74	73	73	69	63	63				71
2200	100		79		86		74	73		68	
	80	74	79		88	72	71	68		64	
	60	73	80		88	70	69	67		64	
		74	80	76	87	70	69	67			84
2900	100	84	84	79	86	80	79	78		78	87
	80	89	86	78	86	77	77			74	86
	60		86	78	86	76	76	74		72	86
		84	86	78	86	76		73		72	86
4000	100	90	93	90	91	91	86				
	80	96	97	90	90	89	84	83		82	94
	60	92		90	90	89	83	82		80	93
		91	94	89	90	89	83	81		80	93

RPM	807		Outlet Sound Power, L8P <E# SFG -12						XBUUT>
		1	2	3	4		6	7		8	L8PA
1200	100	68	80	73	69	71	70	64			76
	80	69	77	72	67	70	69	61			
	60	70		70	66	67	66	61			72
		70		68		66	66	61			72
1600	100	73		81				74		63	81
	80	74		81	73	73	71	68		61	79
	60	73	76	78	72	71	70	67		61	77
		73	76	77	72	71	70	67		61	77
2200	100	77	76	78		83	80	78		74	88
	80	77	77	79	86	80	78			70	86
	60	78	76	77	83	78	76	74		69	84
		78	76	79	82	78	76	74		69	84
2900	100	87	82	83	91	89	88	86			
	80	87	84	83	92	86	84	81		79	92
	60	86	83	82	88	84	83	80		77	90
		87	83	82	88	84	82	80		76	90
4000	100	93	93	91		98		94		93	102
	80	93		92	96	97	92	90		87	100
	60	92	94	91	93	94	91	89			98
		93	94	91	93	94	90	88			98

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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
, 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.