Heatcraft Refrigeration Products HCS manual Fan Performance, Size 20 and Size

																				Fan Performance
													Size 20 and Size 26
														22" Forward Curved Fan
CFM	Coil Vel										Total Static Pressure - Inches Of Water
Std.	Size	Size	0.50				1.00				1.25					1.50				1.75		2.00			2.25			2.50
Air	20	26		RPM		BHP	RPM		BHP		RPM			BHP		RPM			BHP	RPM	BHP	RPM	BHP		RPM		BHP	RPM	BHP
8500	424	—	394		1.66		514		2.53		567			2.99		614			3.46	658	3.94	699	4.42		738		4.90	775	5.39
9000	449	—	403		1.88		519		2.77		571			3.25		618			3.75	662	4.25	703	4.75		741		5.26	778	5.77
9500	474	—	412		2.10		524		3.03		575			3.53		622			4.05	666	4.57	707	5.10		745		5.63	782	6.17
10000	499	—	421		2.35		529		3.32		580			3.84		627			4.37	670	4.91	711	5.47		749		6.02	786	6.59
10500	524	395	432		2.63		535		3.62		585			4.16		631			4.71	674	5.28	715	5.85		753		6.43	789	7.02
11000	549	414	443		2.94		542		3.95		590			4.50		636			5.08	679	5.66	719	6.26		757		6.86	793	7.47
11500	574	433	455		3.27		549		4.31		595			4.87		640			5.46	683	6.07	723	6.69		761		7.31	797	7.94
12000	599	452	467		3.64		557		4.69		602			5.27		645			5.88	688	6.50	728	7.14		766		7.78	802	8.44
12500	623	471	480		4.04		566		5.11		609			5.70		651			6.32	692	6.96	732	7.61		770		8.28	806	8.96
13000	648	489	493		4.47		575		5.55		616			6.15		657			6.79	698	7.44	737	8.12		774		8.80	810	9.50
14000	698	527	521		5.44		593		6.50		633			7.16		671			7.82	709	8.51	747	9.21		784		9.94	819	10.67
15000	—	565	549		6.56		614		7.61		651			8.28		688			8.99	723	9.70	759	10.44		794		11.19	828	11.96
16000	—	602	578		7.84		637		8.89		670			9.54		706			10.30	739	11.04	773	11.80		806		12.58	839	13.39
17000	—	640	607		9.27		662		10.35		692			10.99		724			11.72	758	12.54	789	13.32		820		14.13	851	14.96
18000	—	678	636		10.88		688		11.98		715			12.62		744			13.34	775	14.14	807	15.01		836		15.84	866	16.69
19000	—	715	666		12.67		715		13.79		740			14.45		767			15.16	794	15.94	824	16.81		854		17.72	882	18.60
														Size 20 and Size 26
														22" Forward Curved Fan
CFM	Coil Vel										Total Static Pressure - Inches Of Water
Std.	Size	Size			2.50		3.00				3.50							4.00		4.50			5.00			5.50		6.00
Air	20	26		RPM		BHP		RPM	BHP		RPM			BHP		RPM			BHP	RPM	BHP	RPM	BHP		RPM		BHP	RPM	BHP
8500	424	—	775		5.39		850		6.51		922			7.76		989			9.07	1051	10.43	1109	11.81		1163		13.22
9000	449	—	778		5.77		849		6.85		919			8.08		986			9.42	1049	10.81	1108	12.25		1163		13.71
9500	474	—	782		6.17		850		7.25		917			8.45		983			9.78	1046	11.20	1106	12.67		1162		14.18
10000	499	—	786		6.59		853		7.72		917			8.88		981			10.18	1044	11.60	1103	13.10		1160		14.65
10500	524	395	789		7.02		857		8.20		920			9.39		980			10.65	1041	12.05	1100	13.55		1157		15.13
11000	549	414	793		7.47		861		8.70		923			9.95		981			11.20	1040	12.56	1098	14.04		1154		15.62
11500	574	433	797		7.94		865		9.23		927			10.52		985			11.82	1040	13.14	1096	14.59		1151		16.16
12000	599	452	802		8.44		869		9.77		931			11.11		989			12.47	1043	13.82	1096	15.22		1150		16.76
12500	623	471	806		8.96		873		10.33		935			11.72		993			13.13	1047	14.54	1099	15.96		1149		17.44
13000	648	489	810		9.50		877		10.92		939			12.36		996			13.81	1051	15.28	1102	16.75		1152		18.22
14000	698	527	819		10.67		885		12.17
15000	—	565	828		11.96		894		13.54
16000	—	602	839		13.39		903		15.04
17000	—	640	851		14.96		913		16.67
18000	—	678	866		16.69		925		18.46
19000	—	715	882		18.60
Maximum ODP Motor Frame Size for Models 20 and 26 — 256T
															Size 34
														25" Forward Curved Fan
CFM	Coil										Total Static Pressure - Inches Of Water
Std.	Vel.		0.50				1.00				1.25				1.50					1.75		2.00		2.25				2.50
Air	FPM	RPM		BHP		RPM		BHP		RPM		BHP			RPM			BHP		RPM	BHP	RPM	BHP	RPM			BHP	RPM	BHP
9000	267	312		1.30		420		2.12		468		2.65			517			3.19		565	3.67	607	4.19	645		4.73		680	5.30
10000	297	319		1.57		424		2.46		469		2.94			513			3.52		556	4.17	601	4.68	642		5.24		679	5.82
11000	327	327		1.87		430		2.86		473		3.35			514			3.89		554	4.50	593	5.25	634		5.84		673	6.42
12000	357	337		2.23		436		3.32		479		3.84			518			4.38		556	4.96	592	5.61	628		6.37		664	7.16
13000	386	347		2.62		443		3.81		485		4.39			524			4.96		560	5.54	595	6.16	629		6.85		662	7.61
14000	416	358		3.07		451		4.36		492		4.99			530			5.60		565	6.22	599	6.84	632		7.50		663	8.22
15000	446	370		3.60		459		4.95		499		5.64			537			6.31		572	6.97	605	7.62	636		8.29		667	8.99
16000	475	385		4.21		467		5.60		507		6.34			544			7.07		578	7.78	611	8.48	642		9.18		672	9.89
17000	505	400		4.89		477		6.32		515		7.10			551			7.88		585	8.65	617	9.41	648		10.15		677	10.89
18000	535	415		5.67		487		7.11		524		7.92			559			8.75		592	9.58	624	10.39	655		11.19		684	11.98
19000	565	432		6.53		497		7.95		533		8.83			567			9.69		600	10.57	632	11.44	662		12.30		690	13.14
20000	594	448		7.49		508		8.89		544		9.82			576		10.71			608	11.63	639	12.55	669		13.47		697	14.37
21000	624	465		8.54		521		9.95		553		10.84			586		11.83			617	12.77	647	13.74	676		14.71		704	15.67
22000	654	482		9.71		535		11.11		564		11.99			597		13.01			626	14.00	655	15.00	684		16.02		712	17.03
23000	684	500		10.98		549		12.39		576		13.26			606		14.25			637	15.34	665	16.36	692		17.41		720	18.47
24000	713	518		12.36		565		13.78		590		14.65			617		15.62			646	16.72	674	17.83	701		18.90		728	20.00
															Size 34
														25" Forward Curved Fan
CFM	Coil										Total Static Pressure - Inches Of Water
Std.	Vel.		2.50				3.00				3.50					4.00				4.50		5.00		5.50				6.00
Air	FPM	RPM		BHP		RPM		BHP		RPM		BHP			RPM			BHP		RPM	BHP	RPM	BHP	RPM			BHP	RPM	BHP
9000	267	680		5.30		744		6.47		800		7.71			851			9.00		899	10.34	943	11.74	985		13.18
10000	297	679		5.82		746		7.05		804		8.34			857			9.68		906	11.08	951	12.53	994		14.02
11000	327	673		6.42		744		7.68		805		9.02			860		10.42			911	11.87	958	13.37	1001		14.92
12000	357	664		7.16		738		8.41		803		9.77			861		11.22			913	12.72	961	14.28	1007		15.88
13000	386	662		7.61		729		9.27		797		10.63			857		12.10			912	13.65	963	15.25	1009		16.91
14000	416	663		8.22		725		9.87		788		11.63			851		13.09			908	14.66	961	16.30	1009		18.01
15000	446	667		8.99		726		10.53		784		12.37			842		14.25			902	15.81	956	17.46	1007		19.20
16000	475	672		9.89		729		11.39		784		13.09			838		15.09			893	17.14	949	18.77	1001		20.51
17000	505	677		10.89		733		12.41		786		14.05			838		15.90			889	18.03	940	20.29	993		22.00
18000	535	684		11.98		738		13.55		790		15.19
19000	565	690		13.14		744		14.80
20000	594	697		14.37		751		16.13
21000	624	704		15.67		757		17.54
22000	654	712		17.03		764		19.03
23000	684	720		18.47		772		20.59
24000	713	728		20.00		779		22.23
Maximum ODP Motor Frame Size for Models 34 —							324 T

Coil Face Velocity is for a Large Cooling Coil, Type A (1/2" Tube Diameter)

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