Trane CG-PRC007-EN manual Performance Adjustment Factors, ∆ T

Performance

Adjustment

Factors

Table PAF-1— Performance Adjustment Factors (10 & 15Ton Units Only)

		Chilled								Altitude
	Fouling	Water			Sea Level				2,000 Feet			4,000 Feet				6,000 Feet
	Factor	∆ T		CAP	GPM	KW		CAP	GPM	KW	CAP	GPM	KW		CAP	GPM	KW
		6	1.00		1.66	1.00	0.98		1.63	1.01	0.95	1.59	1.02	0.93		1.54	1.05
		8	1.00		1.25	1.00	0.98		1.22	1.01	0.96	1.19	1.02	0.93		1.16	1.05
0.00025		10	1.00		1.00	1.00	0.98		0.98	1.01	0.95	0.95	1.02	0.92		0.92	1.04
		12	1.00		0.83	1.00	0.98		0.81	1.01	0.95	0.79	1.02	0.92		0.77	1.04
		14	0.99		0.71	1.00	0.97		0.59	1.01	0.95	0.68	1.02	0.92		0.66	1.04
		6	0.96		1.60	0.98	0.94		1.57	0.99	0.92	1.53	1.00	0.90		1.49	1.01
		8	0.96		1.20	0.98	0.94		1.18	0.99	0.92	1.15	1.00	0.90		1.12	1.01
0.001		10	0.96		0.96	0.98	0.94		0.94	0.99	0.92	0.92	1.00	0.89		0.89	1.01
		12	0.96		0.80	0.98	0.94		0.79	0.99	0.92	0.77	1.00	0.89		0.74	1.01
		14	0.96		0.68	0.98	0.94		0.67	0.99	0.92	0.65	1.00	0.89		0.66	1.01
		8	0.93		1.15	0.95	0.91		1.13	0.96	0.88	1.10	0.98	0.86		1.07	0.99
0.002		10	0.90		0.90	0.94	0.89		0.88	0.95	0.87	0.87	0.96	0.85		0.84	0.98
		12	0.90		0.75	0.94	0.88		0.73	0.95	0.86	0.72	0.95	0.84		0.70	0.98
		14	0.90		0.64	0.94	0.87		0.63	0.95	0.86	0.82	0.95	0.84		0.60	0.98
*Standard chilled water ∆ is 8-12 for CGA120-180.
	Standard chilled water		∆ is 6-16 for CGAF 20-60.
Table PAF-2— Performance Adjustment Factors (20-60Ton Units Only)
		Chilled								Altitude
	Fouling	Water			Sea Level				2,000 Feet			4,000 Feet				6,000 Feet
	Factor	∆ T		CAP	GPM	KW		CAP	GPM	KW	CAP	GPM	KW		CAP	GPM	KW
		6	0.987		1.650	0.993	0.967		1.640	1.003	0.952	1.620	1.019	0.932		1.570	1.029
		8	0.993		1.250	0.997	0.973		1.240	1.007	0.956	1.220	1.025	0.935		1.190	1.035
0.00025		10	1.000		1.000	1.000	0.980		0.990	1.010	0.960	0.970	1.030	0.940		0.940	1.040
		12	1.007		0.820	1.003	0.987		0.810	1.013	0.966	0.800	1.035	0.945		0.780	1.045
		14	1.013		0.710	1.007	0.993		0.700	1.017	0.972	0.680	1.038	0.952		0.660	1.048
		16	1.020		0.640	1.010	1.000		0.630	1.020	0.980	0.620	1.040	0.960		0.600	1.050
		6	0.957		1.615	0.979	0.953		1.600	0.989	0.931	1.570	0.990	0.914		1.540	1.002
		8	0.964		1.215	0.982	0.959		1.210	0.992	0.937	1.180	0.994	0.920		1.170	1.006
0.001		10	0.970		0.965	0.985	0.964		0.960	0.995	0.943	0.940	0.998	0.926		0.920	1.009
		12	0.976		0.785	0.989	0.966		0.790	0.998	0.945	0.770	1.007	0.926		0.760	1.018
		14	0.982		0.675	0.993	0.968		0.670	1.001	0.947	0.650	1.016	0.927		0.640	1.027
		16	0.989		0.620	0.996	0.970		0.600	1.004	0.949	0.590	1.025	0.927		0.580	1.036
		6	0.916		1.565	0.951	0.913		1.550	0.969	0.896	1.490	0.975	0.871		1.450	0.984
		8	0.923		1.245	0.958	0.919		1.170	0.972	0.898	1.110	0.979	0.874		1.080	0.987
0.002		10	0.930		0.925	0.965	0.925		0.920	0.975	0.900	0.890	0.982	0.877		0.880	0.989
		12	0.934		0.810	0.969	0.927		0.750	0.978	0.908	0.730	0.986	0.885		0.720	0.993
		14	0.938		0.695	0.973	0.929		0.640	0.981	0.916	0.620	0.989	0.894		0.610	0.997
		16	0.948		0.580	0.976	0.931		0.580	0.983	0.924	0.580	0.993	0.902		0.570	1.001

CG-PRC007-EN 17