AT
AT
AT
AT Air
Air
Air
Air Conditioner
Conditioner
Conditioner
Conditioner
- 174 -
Diagnosis
Diagnosis
Diagnosis
Diagnosis and
and
and
and Testing
Testing
Testing
Testing
A/C
A/C
A/C
A/C System
System
System
System Performance
Performance
Performance
Performance Table
Table
Table
Table
Engine
speed
( r/min )
R elative
humidity
(%)
A mbient air
temperature
Temperature of central
air vent
P ressure at low-pressure
side of pressure gauge
P ressure at high-pressure
side of pressure gauge
° F ℃ ° F ℃ psi kPa psi kPa
I dling
speed
20
59 15 37 3.00 27 162 142 943
68 20 37 3.00 31 185 168 1106
77 25 40 4.64 36 209 191 1296
86 30 47 8.60 42 236 225 1494
95 35 54 12.49 50 265 266 1653
104 40 62 16.45 58 300 304 1864
113 45 69 20.47 63 334 323 2155
40
59 15 37 3.00 25 171 139 956
68 20 38 3.50 28 197 164 1129
77 25 44 6.79 32 222 192 1323
86 30 52 11.27 36 252 209 1445
95 35 61 15.94 42 288 248 1709
104 40 69 20.76 48 329 279 1925
113 45 77 25.18 54 375 306 2110
60
59 15 37 3.00 26 177 140 966
68 20 40 4.47 30 205 166 1146
77 25 48 8.92 34 233 192 1326
86 30 57 13.93 39 269 215 1480
95 35 66 19.11 45 310 249 1718
104 40 76 24.59 52 358 300 2072
113 45 86 29.82 59 406 318 2196
80
59 15 37 3.00 27 186 142 976
68 20 43 6.11 31 214 168 1160
77 25 52 11.15 36 250 191 1320
86 30 62 16.95 42 289 225 1551
95 35 74 23.23 50 342 266 1833
104 40 85 29.27 58 398 304 2096
113 45 96 35.65 63 436 323 2226
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