Greenheck Fan QEM QEP Class Maximum rpm, Maximum rpm 2668, 3735 3504, 1478, 2117 2247 2371, 2403

Plenum	Size 18
		Plenum Size 18

QEP Class I	Maximum rpm 2273
QEP Class II	Maximum rpm 2964
QEP Class III	Maximum rpm	
QEM	Maximum rpm	2668

Note: Model QEM does not utilize class designations.

QEP Motor on Frame Limit	215T
Minimum Motor Size	1/3 [hp]
Wheel Diameter	18.25	[in.]
	464	[mm]
Peak Power	(rpm / 1291)3	[hp]
	(rpm / 1424)3	[kW]
Wheel Outlet Velocity	cfm / 2.54	[ft/min]
	m3/s / 1.50	[m/s]
Tip Speed	rpm x 4.78	[ft/min]
	rpm x 0.0243	[m/s]
% Wide Open Volume (%WOV)	cfm / (rpm x 0.0330)	[%]
	m3/hr / (rpm x 0.0561)	[%]

Imperial data — Metric data

Static Pressure (Pa x 100)

35

30

25

20

15

10

5

0

	14																																	25	rpm
																							20										E
		10	15																												R	V			hp
																														U				70%	% WOV
																													C
wg)	12																											M							Density 0.075 lb/ft3
																										T	E								Density 1.2 kg/m3
																									S
		7½
																									Y
(in.	10																							H I S	S
																																		80%
Pressure																						O	F	T
																																		3735
	8																			F	T
																			E
		5																L																3504
																	E
																H
															T
														O
	6												T																				3184
Static												T
											C																	2964
										E
		3							L
								E																											90%
							S
	4			N	O	T																		2668
		2	O
		1½	D													2273
	2	1	1478					1862
	0	2	4																6														8	10	12
	0

Volume (cfm x 1000)

0 5 10 15 20

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
 1771  					1739 2.32			1906 3.18			2063 4.07
 1968 1699 1.88					1860 2.74			2014 3.68			2162 				2301 
  1836 2.32					1984 3.23			2127 4.24			2266 				2399 6.37		 7.46
6000	2362	1976		2.84	2113		3.80	2248		4.86	2376				 7.16		2623 8.32			2739 
		2117		3.43	2247		4.46	2371			2492 6.77				2611 8.00			 9.27		2837 	 11.8
7000		2260		4.12	2383			2497 			2613 7.62					2722 8.93		2833 10.3	2939 11.6		3044 13.0	3144 14.4
		2403		4.90	 			2629 7.26				2737 				2842 9.94	2944 11.4		3047 12.8		 14.3	3243 
8000	3149	 			 7.00				2763 8.27			2862 9.60			 11.0		3062 		 14.0		 	 17.2
 3346 2693 6.78					2798		8.06	2898		9.40	2993			10.8	3088 12.3		3183 13.8		3273 		3364 17.0	 18.6
9000	 2839		7.88		2939		9.23	 10.6			3126 12.1				3214 13.6		3306 		3394 16.8		3478 	 20.2
	3740		9.11		3081			3173 12.0			3261				 		3430 16.7		 18.4		 20.2	3678 21.9
10000 3937		3132			3224		12.0	3312			3397				3478 16.7		 18.3		3640 20.1		3721 21.9

RPM	807		Inlet Sound Power, L8J <E# SFG -12						XBUUT>
		1	2	3	4		6	7		8	L8JA
1000	100	76	71	77	71	77	67			48	79
	80	73	69	77	68	70	60			44	73
	60	73	67	73		61				46	68
		73	69	70	64					47	67
1400	100	76			79	80	78	69			84
	80	74		82	74	72	72	61			79
	60	73	73	80	71	66	66				
		73	73	79	70			60			74
1900	100	79	80	87	98	84		78		73	96
	80	78	78	84	91	79	79	71		64	90
	60	78	77	82	87	74	74	69			
		76	76	82	86	73	73	69		66	84
2600	100	87	86	89	97	91	92	86		82	98
	80		84	87	94	86	86	81		74	94
	60	82	83		90	82	81	78		74	90
		82	82	83	92	81	81	78		76	91
	100	94	96	96	101	102	99	97		93	106
	80	92			99	99	94	92		86	102
	60	89	93	93	96	94	90	88			98
		88	92	92	96		89	88			99

RPM	807		Outlet Sound Power, L8P <E# SFG -12						XBUUT>
		1	2	3	4		6	7		8	L8PA
1000	100	71	71	79		80	73				82
	80	69	72	77	70	72					
	60	72	76	74	69	66					72
		73	80	76	69	66	64				73
1400	100		76		83	84	82	76		64	88
	80	74	76	83	79	77	76			60	82
	60	76	74	81	79	73	73			61	80
		74	76	82	78	72	71	64		61	80
1900	100	80	83	88	93	90	89	83		81	
	80	81	82		89	84	84			69	90
	60	81	81	84	87	81	80			70	88
		82	81		88	81	80	74		71	88
2600	100		90	91	101	98	97	91		88	103
	80	87	89	90		92	91	84		78	97
	60	87	90	89	93	89	88	84		79	
		86	89	88	92	88	87	83		79	94
	100	92	98	100		108		102		98	112
	80	93	98	99	101	102	99			90	106
	60	93	98	98	100	100	97	94		90	104
		92	97	98	99	98	96	93		89	103

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the effects of appurtenances (accessories).

The sound power level ratings shown are in decibels, referred to 10-12XBUUT
DBMDVMBUFE
QFS
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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.

17