16 SSP-PRC001-EN
Table PD-11: Gross Cooling Capacities (MBh) 20 Ton TWA240B Heat Pump Only
Performance data calculated at 15° F subcooling and 20% superheat and does not include capacity loss
due to refrigerant lines.
Table PD-12: Capacity Curves 20 Ton TWA240B Heat Pump Only
Outdoor
Temperature
In Degrees F
Suction Temperature Degrees F
30 35 40 45 50 55
65 Head pressure PSIG 183 190 196 203 211 219
Capacity BTUH/1000 217.4 237.4 258.4 280.5 303.5 327.5
Unit KW 16.09 16.51 16.96 17.44 17.96 18.5
75 Head pressure PSIG 209 216 223 231 239 248
Capacity BTUH/1000 206.8 226 246.3 267.6 290 313.3
Unit KW 17.58 18.05 18.56 19.11 19.68 20.28
85 Head pressure PSIG 238 245 253 261 270 279
Capacity BTUH/1000 196 214.4 233.9 254.5 276 298.3
Unit KW 19.35 19.88 20.44 21.03 21.65 22.27
95 Head pressure PSIG 269 277 285 294 303 313
Capacity BTUH/1000 185 202.6 221.3 240.9 261.4 282.6
Unit KW 21.39 21.97 22.57 23.2 23.83 24.47
105 Head pressure PSIG 304 312 320 329 339 349
Capacity BTUH/1000 173.8 190.6 208.4 227.1 246.5 266.5
Unit KW 23.68 24.31 24.95 25.6 26.24 26.87
115 Head pressure PSIG 341 349 358 368 378 388
Capacity BTUH/1000 162.4 178.5 195.4 213 231.2 249.9
Unit KW 26.23 26.89 27.56 28.22 28.86 29.46
Performance Data
20 Ton
Outdoor Air Entering Condenser (F)
