19
Performance
Data
Table 19-1 25 Ton Gross Cooling Capacities (MBh) English
Ambient Temperature Deg F
85 95 105 115
Ent Entering Wet Bulb Temperature Deg F
DB 61 67 73 61 67 73 61 67 73 61 67 73
CFM (F) TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC
75 273 215 303 175 336 122 260 208 289 168 321 115 247 200 275 161 305 108 233 193 260 155 289 102
7500 80 275 252 304 207 337 160 263 245 290 200 322 154 250 238 276 192 306 147 237 231 261 185 290 140
85 282 282 305 243 338 198 271 271 291 236 323 191 260 260 277 229 307 184 248 248 263 221 291 177
90 297 297 308 281 339 234 286 286 294 273 324 227 275 275 280 266 308 220 263 263 266 259 293 212
75 276 221 307 174 340 123 263 214 293 167 325 117 250 207 278 160 309 110 236 199 263 153 292 103
8000 80 279 261 308 213 341 164 266 254 294 205 325 157 254 247 279 198 310 150 241 239 264 191 293 143
85 288 288 309 251 341 203 277 277 295 244 326 196 266 266 281 237 310 189 254 254 266 229 294 182
90 304 304 312 291 343 242 293 293 298 284 328 234 281 281 285 277 312 227 269 269 271 269 296 220
75 282 234 313 182 347 126 269 227 298 175 331 119 256 219 283 167 314 113 242 211 268 160 297 106
9000 80 286 278 314 224 348 171 274 271 300 217 332 164 260 260 285 209 315 157 248 248 269 202 299 150
85 299 299 316 267 349 214 288 288 301 260 333 208 276 276 287 252 317 201 263 263 272 245 300 194
90 316 316 320 311 350 256 304 304 306 304 334 249 292 292 291 291 318 241 279 279 279 279 301 234
75 288 246 318 189 352 129 274 239 303 182 336 122 260 231 288 175 319 115 246 223 272 166 301 108
10000 80 292 292 320 235 353 177 280 280 305 228 337 170 268 268 289 220 320 163 255 255 274 212 303 156
85 309 309 322 282 354 224 297 297 307 275 338 216 284 284 292 267 321 211 271 271 277 260 304 202
90 326 326 326 326 356 270 314 314 314 314 340 263 301 301 301 301 323 255 288 288 287 287 306 248
75 292 258 323 196 357 131 279 250 307 189 340 124 264 242 292 182 323 117 250 235 276 175 305 110
11000 80 300 300 324 246 358 184 287 287 309 238 341 177 275 275 293 230 324 169 262 262 277 223 307 162
85 317 317 327 297 359 233 305 305 312 289 343 226 292 292 297 282 326 219 278 278 282 274 308 211
90 336 336 336 336 361 283 323 323 323 323 344 276 309 309 309 309 328 268 295 295 295 295 310 261
Notes:
1. All capacities shown are gross and have not considered indoor fan heat. To obtain net cooling, subtract indoor fan heat.
2. TGC = Total gross capacity.
3. SHC = Sensible heat capacity.
Table 19-2 89 kW (25 Tons) Gross Cooling Capacity (kW) Metric
Ambient Temperature Deg C
29.4 35.0 40.6 46.1
Ent Entering Wet Bulb Temperature Deg C
DB 16.1 19.4 22.8 16.1 19.4 22.8 16.1 19.4 22.8 16.1 19.4 22.8
L/s (C) TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC
23.9 80.0 63.0 88.8 51.3 98.5 35.8 76.2 61.0 84.7 49.2 94.1 33.7 72.4 58.6 80.6 47.2 89.4 31.7 68.3 56.6 76.2 45.4 84.7 29.9
3540 26.7 80.6 73.9 89.1 60.7 98.8 46.9 77.1 71.8 85.0 58.6 94.4 45.1 73.3 69.8 80.9 56.3 89.7 43.1 69.5 67.7 76.5 54.2 85.0 41.0
29.4 82.7 82.7 89.4 71.2 99.1 58.0 79.4 79.4 85.3 69.2 94.7 56.0 76.2 76.2 81.2 67.1 90.0 53.9 72.7 72.7 77.1 64.8 85.3 51.9
32.2 87.1 87.1 90.3 82.4 99.4 68.6 83.8 83.8 86.2 80.0 95.0 66.5 80.6 80.6 82.1 78.0 90.3 64.5 77.1 77.1 78.0 75.9 85.9 62.1
23.9 80.9 64.8 90.0 51.0 99.7 36.1 77.1 62.7 85.9 48.9 95.3 34.3 73.3 60.7 81.5 46.9 90.6 32.2 69.2 58.3 77.1 44.8 85.6 30.2
3780 26.7 81.8 76.5 90.3 62.4 99.9 48.1 78.0 74.4 86.2 60.1 95.3 46.0 74.4 72.4 81.8 58.0 90.9 44.0 70.6 70.1 77.4 56.0 85.9 41.9
29.4 84.4 84.4 90.6 73.6 99.9 59.5 81.2 81.2 86.5 71.5 95.6 57.4 78.0 78.0 82.4 69.5 90.9 55.4 74.4 74.4 78.0 67.1 86.2 53.3
32.2 89.1 89.1 91.4 85.3 100.5 70.9 85.9 85.9 87.3 83.2 96.1 68.6 82.4 82.4 83.5 81.2 91.4 66.5 78.8 78.8 79.4 78.8 86.8 64.5
23.9 82.7 68.6 91.7 53.3 101.7 36.9 78.8 66.5 87.3 51.3 97.0 34.9 75.0 64.2 82.9 48.9 92.0 33.1 70.9 61.8 78.6 46.9 87.1 31.1
4250 26.7 83.8 81.5 92.0 65.7 102.0 50.1 80.3 79.4 87.9 63.6 97.3 48.1 76.2 76.2 83.5 61.3 92.3 46.0 72.7 72.7 78.8 59.2 87.6 44.0
29.4 87.6 87.6 92.6 78.3 102.3 62.7 84.4 84.4 88.2 76.2 97.6 61.0 80.9 80.9 84.1 73.9 92.9 58.9 77.1 77.1 79.7 71.8 87.9 56.9
32.2 92.6 92.6 93.8 91.2 102.6 75.0 89.1 89.1 89.7 89.1 97.9 73.0 85.6 85.6 85.3 85.3 93.2 70.6 81.8 81.8 81.8 81.8 88.2 68.6
23.9 84.4 72.1 93.2 55.4 103.2 37.8 80.3 70.1 88.8 53.3 98.5 35.8 76.2 67.7 84.4 51.3 93.5 33.7 72.1 65.4 79.7 48.7 88.2 31.7
4720 26.7 85.6 85.6 93.8 68.9 103.5 51.9 82.1 82.1 89.4 66.8 98.8 49.8 78.6 78.6 84.7 64.5 93.8 47.8 74.7 74.7 80.3 62.1 88.8 45.7
29.4 90.6 90.6 94.4 82.7 103.8 65.7 87.1 87.1 90.0 80.6 99.1 63.3 83.2 83.2 85.6 78.3 94.1 61.8 79.4 79.4 81.2 76.2 89.1 59.2
32.2 95.6 95.6 95.6 95.6 104.3 79.1 92.0 92.0 92.0 92.0 99.7 77.1 88.2 88.2 88.2 88.2 94.7 74.7 84.4 84.4 84.1 84.1 89.7 72.7
23.9 85.6 75.6 94.7 57.4 104.6 38.4 81.8 73.3 90.0 55.4 99.7 36.3 77.4 70.9 85.6 53.3 94.7 34.3 73.3 68.9 80.9 51.3 89.4 32.2
5190 26.7 87.9 87.9 95.0 72.1 104.9 53.9 84.1 84.1 90.6 69.8 99.9 51.9 80.6 80.6 85.9 67.4 95.0 49.5 76.8 76.8 81.2 65.4 90.0 47.5
29.4 92.9 92.9 95.8 87.1 105.2 68.3 89.4 89.4 91.4 84.7 100.5 66.2 85.6 85.6 87.1 82.7 95.6 64.2 81.5 81.5 82.7 80.3 90.3 61.8
32.2 98.5 98.5 98.5 98.5 105.8 82.9 94.7 94.7 94.7 94.7 100.8 80.9 90.6 90.6 90.6 90.6 96.1 78.6 86.5 86.5 86.5 86.5 90.9 76.5
Notes:
1. All capacities shown are gross and have not considered indoor fan heat. To obtain net cooling, subtract indoor fan heat.
2. TGC = Total gross capacity.
3. SHC = Sensible heat capacity.