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  Trane Company (The)   20 - 80 Ton Self Contained Air Conditioners  

20-80 Ton Self-Contained Air Conditioners - Page 34

   

20 - 80 Ton Self Contained Air Conditioners

SWUD 22 Refrigeration Capacity

TABLE 35-1-Gross Cooling Capacity

8800 CFM

ENT WATER TEMP. F
  65 75 85 95
ENT DB ENT WB GPM TOT MBH SEN MBH LWT TOT MBH SEN MBH LW7 TOT MBH SEN MBH LWT TOT MBH SEN MBH LWT
70 62 44 263 164 79.1 255 160 89.0 245 155 98.9 235 150 108.8
55 265 164 76.3 256 160 86.2 247 156 96.1 237 151 106.0
66 266 165 74.4 258 161 84.3 248 157 94.3 238 152 104,2
77 267 165 73.1 258 161 83.0 249 157 92.9 239 153 102.9
67 44 286 125 80.2 277 121 90.1 267 117 99.9 255 113 109.8
55 289 126 77.2 279 122 87.1 269 118 96.9 258 114 106.8
66 290 127 75.1 281 123 85.1 271 119 95.0 260 114 104,9
77 291 127 73.7 282 123 83.6 272 119 93.5 261 115 103.5
75 62 44 263 200 79.1 254 195 89.0 245 191 98.9 235 186 108.8
55 265 200 76.3 256 196 86.2 247 192 96.1 237 187 106.0
66 266 201 74.4 257 197 84.3 248 193 94.3 238 188 104.2
77 267 201 73.1 258 197 83.0 249 193 92.9 239 188 102.9
67 44 286 161 80.2 277 157 90.1 266 153 99.9 255 148 109.8
55 288 162 77.2 279 158 87.1 269 154 96.9 258 149 106.8
66 290 163 75.1 280 159 85.0 270 155 94.9 259 150 104,9
77 290 163 73.7 281 159 83.6 271 155 93.5 261 151 103.4
72 44 311 123 81.3 300 119 91.2 289 114 101.0 277 110 110.9
55 313 124 78.1 303 120 88.0 292 116 97.8 280 111 107.7
66 315 124 75.9 305 120 85.8 294 116 95.7 282 112 105.6
77 316 125 74.3 306 121 84.3 295 117 94,2 283 112 104.1
80 62 44 263 235 79.1 254 231 89.0 245 227 98.9 235 221 108.8
55 265 236 76.3 256 232 86.2 247 227 96.1 237 222 106.0
66 266 237 74,4 257 233 84.3 248 228 94.3 238 223 104.2
77 266 237 73.0 258 233 83.0 249 229 92.9 239 224 102.9
67 44 286 197 80.2 276 193 90.1 266 189 99.9 255 184 109.8
55 288 198 77.2 279 194 87.0 269 190 96.9 258 185 106.8
66 289 198 75.1 280 194 85.0 270 190 9IC9 259 186 104.9
77 290 199 73.7 281 195 83.6 271 191 93.5 260 186 103.4
72 44 310 158 81.3 300 154 91.2 289 150 101.0 277 146 110.9
55 313 159 78.1 303 155 87.9 292 151 97.8 280 147 107.7
66 314 160 75.9 304 156 85.8 294 152 95.7 282 147 105.6
77 316 160 74,3 306 156 84.3 295 152 94,2 283 148 104.1
85 62 44 266 266 79.3 259 259 89.2 251 251 99.2 243 243 109.2
55 268 267 76.4 261 260 86.3 253 253 96.3 244 245 106.3
66 269 267 74.5 262 261 84.4 254 254 94.4 246 246 104.4
77 270 268 73.1 262 262 83.1 255 255 93.1 246 247 103.1
67 44 286 232 80.2 276 228 90.0 266 224 99.9 255 219 109.8
55 288 233 77.1 278 229 87.0 268 225 96.9 257 221 106.8
66 289 234 75.1 280 230 85.0 270 226 94,9 259 221 104.8
77 290 234 73.7 281 230 83.6 271 226 93.5 260 222 103A
72 44 310 194 81.3 300 190 91.2 289 185 101.0 277 181 110.9
55 313 195 78.1 302 191 87.9 291 187 97.8 280 182 107.7
66 314 195 75.9 304 191 85.8 293 187 95.7 282 183 105.6
77 315 196 74.3 305 192 84.2 295 188 94.2 283 183 104,1

NOTES:

1. Capacities shown are gross and do not account for fan motor heat. To determine net capacities, fan motor
heat must be subtracted from the gross MBh. To calculate supply fan motor heat use the following equation:

Fan motor heat (MBh) = 2.8 x fan motor brake horsepower.

2. To determine capacities at other than cfm shown, refer to the capacity correction factors in table.

TABLE 35-2-Capacity Correction Factors

  Cfm Compared To Rated Quantity Cooling Capacity Multiplier Sensible Capacity Multiplier
 

DX Cooling

 - 20% 0.970 0.910
-10% 0.985 0.955
Std 1.000 1.000
+3% 1.005 1.014
+6% 1.009 1.027
Waterside Economizer - 20% 0.920 0.870
-10% 0.960 0.930
Std 1.000 1.000
+3% 1.012 1.018
+6% 1.024 1.036



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