Greenheck Fan manual USGF-180 - Belt Drive

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USGF-180 - Belt Drive

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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	0.125	0.25	0.5	0.75		1	1.25	1.5	1.75	2
USGF-180-4	1/4	630	CFM	2380	2154	1861
			BHP	0.13	0.15	0.16		MAXIMUM BHP AT A GIVEN RPM = (RPM/1167)3
			Sones	7.1	6.4	5.5				MAXIMUM RPM = 1495
										TIP SPEED (ft/min.) = RPM x 4.843
			CFM	2815	2617	2448	1763
									MAXIMUM MOTOR FRAME SIZE = 184T
		745	BHP	0.22	0.24	0.26	0.25
								AVERAGE DISCHARGE VELOCITY (FPM) = CFM/2.92
			Sones	9.2	8.6	8.1	7.1
USGF-180-3	1/3		CFM	3098	2916	2759	2257
		820	BHP	0.30	0.32	0.34	0.34
			Sones	11.2	10.4	10.0	9.0
USGF-180-5	1/2		CFM	3551	3389	3243	2879	2363
		940	BHP	0.45	0.47	0.49	0.52	0.50
			Sones	13.8	13.5	13.1	12.4	11.2
USGF-180-7	3/4		CFM	3816	3664	3526	3242	2799		2105
		1010	BHP	0.56	0.58	0.61	0.65	0.64		0.58
			Sones	15.4	15.2	14.9	14.7	13.7		11.8
			CFM	4061	3919	3786	3554	3141		2652
		1075	BHP	0.67	0.70	0.73	0.78	0.78		0.75
			Sones	16.5	16.2	15.8	151.5	14.7		13.3
USGF-180-10	1		CFM	4477	4348	4224	4005	3703		3336	2841
		1185	BHP	0.90	0.93	0.96	1.01	1.04		1.04	0.99
			Sones	18.5	17.9	17.1	16.5	16.0		15.2	14.4
USGF-180-15	11/2		CFM	4817	4697	4578	4369	4163		3799	3437	2930
		1275	BHP	1.12	1.15	1.19	1.24	1.30		1.30	1.28	1.22
			Sones	21	20	19.5	18.7	18.2		17.5	16.7	15.9
			CFM	5138	5026	4913	4710	4532		4232	3912	3537	3023
		1360	BHP	1.36	1.39	1.43	1.49	1.56		1.58	1.58	1.54	1.46
			Sones	23	23	22	21	21		20	19.2	18.3	17.3
USGF-180-20	2		CFM	5402	5296	5189	4993	4819		4593	4270	3968	3567	3001
		1430	BHP	1.58	1.62	1.66	1.72	1.79		1.83	1.83	1.83	1.76	1.66
			Sones	25	25	25	24	23		22	22	21	19.5	18.2
			CFM	5648	5546	5443	5254	5082		4921	4598	4313	3983	3564
		1495	BHP	1.80	1.84	1.89	1.96	2.02		2.10	2.10	2.10	2.06	1.99
			Sones	28	27	27	26	25		25	24	23	22	21

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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