Heatcraft Refrigeration Products HCS Coil Perfromance- Chilled Water MBH/SQ FT, and flow rate

Coil Perfromance- Chilled Water MBH/SQ FT

Table 19			1/2" and 5/8" tube, entering air 80°F. DB, 67°F. WB
Chilled		Type A and Type 5, chilled water at 45°F., cooling capacities
Water		MBH per SQ FT of coil face area (Max. water veocity= 3 fps)
			FPM, Type A Coils (1/2" DIA.)					FPM, Type 5 Coils (5/8" DIA.)
Rows		FPI	400	450	500	550	600	400	450	500	550	600
		6	7.3	7.9	8.3	8.8	9.2	10.3	11.2	12.0	12.4	12.9
		8	8.7	9.3	9.9	10.5	11.0	11.5	12.5	13.5	14.0	14.5
3		10	9.8	10.6	11.3	12.0	12.6	12.5	13.7	14.7	15.2	15.8
		12	10.9	11.7	12.5	13.2	14.0	13.3	14.5	15.6	16.2	16.8
		14	11.7	12.7	13.6	14.4	15.2	13.9	15.2	16.4	17.0	17.6
		6	9.1	9.8	10.4	11.0	11.6	12.3	13.4	13.7	14.8	15.7
		8	10.6	11.4	12.2	12.9	13.6	13.6	14.9	15.3	16.4	17.5
4		10	11.8	12.8	13.7	14.6	15.4	15.4	16.1	17.5	18.7	19.4
		12	12.9	14.0	15.0	16.0	16.9	16.2	16.9	18.5	19.9	20.6
		14	13.8	15.0	16.1	17.2	18.2	16.9	17.7	19.3	20.7	21.5
		6	11.7	12.6	13.5	14.3	15.1	14.6	15.6	16.4	17.1	17.8
		8	13.4	14.6	15.6	16.6	17.2	16.1	17.2	18.1	18.9	19.7
5		10	14.8	16.1	17.0	17.7	18.5	17.2	18.4	19.4	20.2	21.1
		12	15.9	17.0	17.9	18.7	19.6	17.5	19.3	20.4	21.4	22.2
		14	16.8	17.8	18.7	19.5	20.4	18.2	20.0	21.1	22.2	23.1
		6	13.1	14.1	15.2	16.1	17.1	15.9	17.3	17.8	19.1	20.3
		8	14.8	16.1	17.3	18.5	19.6	17.3	19.0	19.4	20.9	22.3
6		10	16.2	17.6	19.0	20.1	20.9	18.3	20.2	20.6	22.2	23.8
		12	17.2	18.9	20.2	21.2	22.0	19.1	21.1	21.5	23.2	24.9
		14	18.1	19.9	21.0	22.0	22.9	19.8	21.9	22.5	24.4	26.2
		6	16.0	17.4	19.0	20.0	20.8	18.3	20.1	20.6	21.7	22.6
		8	17.7	19.4	20.6	21.7	22.6	19.6	21.6	22.3	23.4	24.5
8		10	19.0	20.5	21.8	23.0	23.9	20.5	22.7	23.4	24.7	25.9
		12	19.9	21.4	22.7	23.9	25.0	21.4	23.7	24.3	25.7	26.9
		14	20.4	22.0	23.4	24.7	25.8	21.8	24.2	24.9	26.3	27.7
Note:	Please contact your representative for ARI ratings for coils. These tables are only estimates.
	For estimates for other wet bulb and water temperatures, multiply by correction factor in
	Table 20.

Table 20

Actual capacity. will vary

with coil circuiting

and flow rate

				Capacity Correction Factors* To Coil Performance
					Of 67°F. Wb Air And 45 Entering Water
Ent Air WB					Entering Water Temperature °F.
TEMP. °F.	40	41	42		43	44	45	46	47	48	49	50
60	0.805	0.782	0.736		0.702	0.666	0.630	0.594	0.556	0.518	0.480	0.440
61	0.853	0.819	0.785		0.750	0.715	0.680	0.643	0.606	0.568	0.529	0.490
62	0.903	0.869	0.836		0.801	0.765	0.730	0.693	0.656	0.618	0.579	0.540
63	0.954	0.921	0.887		0.852	0.817	0.781	0.745	0.707	0.670	0.631	0.591
64	1.007	0.974	0.940		0.905	0.870	0.834	0.798	0.760	0.722	0.684	0.644
65	1.062	1.028	0.994		0.959	0.924	0.888	0.852	0.815	0.777	0.738	0.699
66	1.117	1.083	1.049		1.014	0.979	0.943	0.907	0.870	0.832	0.793	0.754
67	1.173	1.140	1.106		1.071	1.036	1.000	0.963	0.926	0.888	0.850	0.810
68	1.230	1.197	1.163		1.128	1.093	1.057	1.021	0.984	0.946	0.907	0.868
69	1.290	1.256	1.223		1.188	1.152	1.117	1.080	1.043	1.005	0.966	0.927
70	1.350	1.316	1.283		1.248	1.213	1.177	1.140	1.103	1.065	1.026	0.987
71	1.412	1.378	1.344		1.309	1.274	1.238	1.202	1.165	1.127	1.088	1.049
72	1.475	1.441	1.407		1.372	1.337	1.301	1.265	1.228	1.190	1.151	1.112
73	1.540	1.506	1.472		1.437	1.402	1.366	1.330	1.293	1.255	1.216	1.177
74	1.606	1.572	1.538		1.503	1.468	1.432	1.396	1.359	1.321	1.282	1.243

* Note: correction factor = (enthalpy of air temperature - enthalpy of water temperature) in BTU /LB divided by 13.97.

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