Trane RT-PRC007-EN manual Performance Adjustment Factors, Table PD-1-Enthalpy of Saturated AIR

Table PD-1— Enthalpy of Saturated AIR

Wet BulbTemperature	Btu Per Lb.
40	15.23
41	15.70
42	16.17
43	16.66
44	17.15
45	17.65
46	18.16
47	18.68
48	19.21
49	19.75
50	20.30
51	20.86
52	21.44
53	22.02
54	22.62
55	23.22
56	23.84
57	24.48
58	25.12
59	25.78
60	26.46
61	27.15
62	27.85
63	28.57
64	29.31
65	30.06
66	30.83
67	31.62
68	32.42
69	33.25
70	34.09
71	34.95
72	35.83
73	36.74
74	37.66
75	38.61

18

Performance

Adjustment

Factors

Figure PD-1 — Air Density Ratios

Altitude/Temperature Correction

Air Density

Ratio (Density

at New

Air Density)

Condition/Std.

Rooftop Leaving AirTemperature (degrees F)

Table PD-2 — Cooling Capacity Altitude Correction Factors

				Altitude (Ft.)
	Sea Level	1000	2000	3000	4000	5000	6000	7000
Cooling Capacity
Multiplier	1.00	0.99	0.99	0.98	0.97	0.96	0.95	0.94
KW Correction
Multiplier
(Compressors)	1.00	1.01	1.02	1.03	1.04	1.05	1.06	1.07
SHR Correction
Multiplier	1.00	.98	.95	.93	.91	.89	.87	.85
Maximum
Condenser
Ambient	115 F	114 F	113 F	112 F	111 F	110 F	109 F	108 F

Note:

SHR = Sensible Heat Ratio

Table PD-3 — Gas Heating Capacity Altitude Correction Factors

				Altitude (Ft.)
	Sea Level	2001	2501	3501	4501	5501	6501
	To 2000	To 2500	To 3500	To 4500	To 5500	To 6500	To 7500
Capacity
Multiplier	1.00	.92	.88	.84	.80	.76	.72

Note:

Correction factors are per AGA Std 221.30 — 1964, Part VI, 6.12. Local codes may supersede.

RT-PRC007-EN