Greenheck Fan manual USGF-180HP Belt Drive

13⁄4

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USGF-180HP - Belt Drive

353⁄8

(899)

285⁄8*

21 (727)

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30

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Roof Opening = 201/2 x 201/2 (521 x 521) Windband Thickness = 0.051 (1.3) Motor Cover Thickness = 0.040 (1.0) Curb Cap Thickness = 0.064 (1.6) ^Approximate Unit Weight = 190 lb. (86 kg)

All dimensions in inches (millimeters). *May be greater depending on motor.

^Weight shown is largest cataloged Open Drip Proof motor.

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Model	Motor	Fan					CFM / Static Pressure in inches wg
Number	hp	rpm		0.5	0.75	1	1.25		1.5		1.75	2	2.25	2.5	2.75
USGF-180HP-4	1/4		CFM	1570
		795	BHP	0.22					MAXIMUM BHP AT A GIVEN RPM = (RPM/1315)3
											MAXIMUM RPM = 1685
			Sones	8.3
										TIP SPEED (ft/min.) = RPM x 4.843
			CFM	1799
									MAXIMUM MOTOR FRAME SIZE = 184T
		845	BHP	0.26				AVERAGE DISCHARGE VELOCITY (FPM) = CFM/2.92
			Sones	9.5
USGF-180HP-3	1/3		CFM	2104	1688
		925	BHP	0.34	0.35
			Sones	10.8	9.8
USGF-180HP-5	1/2		CFM	2581	2323	1933
		1065	BHP	0.50	0.52	0.53
			Sones	13.8	12.5	12.4
USGF-180HP-7	3/4		CFM	3063	2868	2626	2286		1854
		1215	BHP	0.72	0.76	0.78	0.79		0.75
			Sones	15.0	14.5	14.0	13.4		12.9
USGF-180HP-10	1		CFM	3253	3066	2853	2566		2209
		1275	BHP	0.82	0.87	0.89	0.91		0.89
			Sones	16.7	15.8	15.4	14.9		14.3
			CFM	3441	3261	3075	2839		2523		2156
		1335	BHP	0.93	0.98	1.02	1.04		1.04		1.01
			Sones	18.7	17.4	17.0	16.6		16.1		15.6
USGF-180HP-15	11/2		CFM	3735	3566	3401	3206		2964		2669	2320
		1430	BHP	1.13	1.19	1.23	1.26		1.27		1.28	1.24
			Sones	22	21	19.7	19.3		18.9		18.4	17.9
			CFM	4035	3884	3728	3574		3376		3135	2859	2534
		1530	BHP	1.36	1.43	1.48	1.53		1.55		1.56	1.57	1.53
			Sones	24	23	22	21		20		19.8	19.3	18.6
USGF-180HP-20	2		CFM	4273	4136	3986	3840		3674		3485	3233	2965	2656
		1610	BHP	1.58	1.64	1.70	1.76		1.79		1.81	1.82	1.82	1.78
			Sones	25	24	23	23		22		21	21	20	19.2
			CFM	4495	4369	4226	4085		3945		3768	3575	3325	3061	2766
		1685	BHP	1.79	1.86	1.93	1.99		2.04		2.07	2.08	2.09	2.08	2.04
			Sones	27	26	25	26		24		23	22	21	21	20

Performance certified is for installation type A: Free inlet, Free 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 5 ft (1.5 m) in a hemispherical free field calculated per AMCA Standard 301. Values shown are for installation type A: Free inlet hemispherical sone levels. The AMCA Certified Ratings Seal applies to sone ratings only.

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