18
Performance
Data
Table 18-1  23 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
75 249 197 277 160 307 111 238 191 264 154 294 105 226 184 251 148 280 99 213 177 238 141 265 93
6900 80 251 232 278 190 308 147 240 226 265 183 295 141 229 219 252 1 77 280 135 216 212 239 170 266 12 8
85 258 258 279 224 309 182 249 249 267 217 295 176 238 238 254 211 281 169 228 228 240 204 267 162
90 273 273 281 259 310 215 263 263 269 252 297 209 252 252 257 246 283 202 241 241 244 239 268 196
75 253 205 281 166 312 113 242 199 268 160 298 107 229 192 255 154 283 101 216 185 241 147 268 94
7500 80 256 243 282 197 313 151 245 237 270 191 299 145 233 230 256 1 84 284 139 220 220 242 177 269 13 2
85 266 266 283 234 313 188 256 256 271 227 300 182 245 245 258 220 285 175 234 234 244 214 270 169
90 281 281 287 271 315 225 270 270 275 265 301 218 259 259 262 258 287 211 248 248 248 248 272 205
75 256 212 284 170 315 114 244 205 271 164 301 108 232 198 257 157 286 102 219 191 243 150 271 96
8000 80 260 252 285 203 316 155 248 245 273 196 302 149 236 236 259 1 90 287 142 224 224 245 182 272 13 6
85 271 271 287 242 317 194 261 261 274 235 303 187 250 250 261 228 288 181 239 239 247 221 273 174
90 287 287 291 282 318 232 276 276 279 275 304 225 265 265 265 265 290 219 253 253 253 253 275 212
75 262 224 290 172 321 117 250 217 276 166 306 111 237 210 262 158 291 105 224 203 248 151 275 98
9000 80 266 266 291 214 322 162 255 255 278 208 307 155 244 244 264 2 01 292 149 232 232 249 194 277 14 2
85 282 282 293 257 323 204 271 271 280 251 309 197 259 259 267 244 294 193 247 247 252 237 278 184
90 298 298 297 297 324 246 286 286 286 286 310 240 275 275 275 275 295 233 262 262 262 262 280 226
75 266 236 294 180 326 120 254 229 281 173 311 113 241 222 266 167 295 107 228 215 251 158 279 100
10000 80 274 274 296 225 327 168 263 263 282 218 312 162 251 251 268 211 296 155 239 239 253 204 280 148
85 290 290 299 272 328 214 279 279 285 266 313 207 267 267 272 259 298 200 255 255 257 252 282 193
90 307 307 307 307 330 260 295 295 295 295 315 253 283 283 283 283 300 247 270 270 270 270 284 240
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 18-2  82 kW (23 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 73.0 57.7 81.2 46.9 90.0 32.5 69.8 56.0 77.4 45.1 86.2 30.8 66.2 53.9 73.6 43.4 82.1 29.0 62.4 51.9 69.8 41.3 77.7 27.2
3260 26.7 73.6 68.0 81.5 55.7 90.3 43.1 70.3 66.2 77.7 53.6 86.5 41.3 67.1 64.2 73.9 51.9 82.1 39.6 63.3 62.1 70.1 49.8 78.0 37.5
29.4 75.6 75.6 81.8 65.7 90.6 53.3 73.0 73.0 78.3 63.6 86.5 51.6 69.8 69.8 74.4 61.8 82.4 49.5 66.8 66.8 70.3 59.8 78.3 47.5
32.2 80.0 80.0 82.4 75.9 90.9 63.0 77.1 77.1 78.8 73.9 87.1 61.3 73.9 73.9 75.3 72.1 82.9 59.2 70.6 70.6 71.5 70.1 78.6 57.4
23.9 74.2 60.1 82.4 48.7 91.4 33.1 70.9 58.3 78.6 46.9 87.3 31.4 67.1 56.3 74.7 45.1 82.9 29.6 63.3 54.2 70.6 43.1 78.6 27.7
3540 26.7 75.0 71.2 82.7 57.7 91.7 44.3 71.8 69.5 79.1 56.0 87.6 42.5 68.3 67.4 75.0 53.9 83.2 40.7 64.5 64.5 70.9 51.9 78.8 38.7
29.4 78.0 78.0 82.9 68.6 91.7 55.1 75.0 75.0 79.4 66.5 87.9 53.3 71.8 71.8 75.6 64.5 83.5 51.3 68.6 68.6 71.5 62.7 79.1 49.5
32.2 82.4 82.4 84.1 79.4 92.3 65.9 79.1 79.1 80.6 77.7 88.2 63.9 75.9 75.9 76.8 75.6 84.1 61.8 72.7 72.7 72.7 72.7 79.7 60.1
23.9 75.0 62.1 83.2 49.8 92.3 33.4 71.5 60.1 79.4 48.1 88.2 31.7 68.0 58.0 75.3 46.0 83.8 29.9 64.2 56.0 71.2 44.0 79.4 28.1
3780 26.7 76.2 73.9 83.5 59.5 92.6 45.4 72.7 71.8 80.0 57.4 88.5 43.7 69.2 69.2 75.9 55.7 84.1 41.6 65.7 65.7 71.8 53.3 79.7 39.9
29.4 79.4 79.4 84.1 70.9 92.9 56.9 76.5 76.5 80.3 68.9 88.8 54.8 73.3 73.3 76.5 66.8 84.4 53.1 70.1 70.1 72.4 64.8 80.0 51.0
32.2 84.1 84.1 85.3 82.7 93.2 68.0 80.9 80.9 81.8 80.6 89.1 65.9 77.7 77.7 77.7 77.7 85.0 64.2 74.2 74.2 74.2 74.2 80.6 62.1
23.9 76.8 65.7 85.0 50.4 94.1 34.3 73.3 63.6 80.9 48.7 89.7 32.5 69.5 61.6 76.8 46.3 85.3 30.8 65.7 59.5 72.7 44.3 80.6 28.8
4250 26.7 78.0 78.0 85.3 62.7 94.4 47.5 74.7 74.7 81.5 61.0 90.0 45.4 71.5 71.5 77.4 58.9 85.6 43.7 68.0 68.0 73.0 56.9 81.2 41.6
29.4 82.7 82.7 85.9 75.3 94.7 59.8 79.4 79.4 82.1 73.6 90.6 57.7 75.9 75.9 78.3 71.5 86.2 56.6 72.4 72.4 73.9 69.5 81.5 53.9
32.2 87.3 87.3 87.1 87.1 95.0 72.1 83.8 83.8 83.8 83.8 90.9 70.3 80.6 80.6 80.6 80.6 86.5 68.3 76.8 76.8 76.8 76.8 82.1 66.2
23.9 78.0 69.2 86.2 52.8 95.6 35.2 74.4 67.1 82.4 50.7 91.2 33.1 70.6 65.1 78.0 48.9 86.5 31.4 66.8 63.0 73.6 46.3 81.8 29.3
4720 26.7 80.3 80.3 86.8 65.9 95.8 49.2 77.1 77.1 82.7 63.9 91.4 47.5 73.6 73.6 78.6 61.8 86.8 45.4 70.1 70.1 74.2 59.8 82.1 43.4
29.4 85.0 85.0 87.6 79.7 96.1 62.7 81.8 81.8 83.5 78.0 91.7 60.7 78.3 78.3 79.7 75.9 87.3 58.6 74.7 74.7 75.3 73.9 82.7 56.6
32.2 90.0 90.0 90.0 90.0 96.7 76.2 86.5 86.5 86.5 86.5 92.3 74.2 82.9 82.9 82.9 82.9 87.9 72.4 79.1 79.1 79.1 79.1 83.2 70.3
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.