SSP-PRC001-EN 15
Table PD-9: Gross Cooling Capacities (MBh) 15 Ton TWA180B 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-10: Capacity Curves 15 Ton TWA180B Heat Pump Only
Outdoor
Temperature
In Degrees F
Suction Temperature Degrees F
30 35 40 45 50 55
65 Head pressure PSIG 168 173 179 185 191 197
Capacity BTUH/1000 161.3 177.1 193.6 210.6 228.1 245.8
Unit KW 10.9 11.16 11.43 11.71 12.01 12.32
75 Head pressure PSIG 193 199 205 211 217 224
Capacity BTUH/1000 154.9 169.9 185.5 201.5 218 234.8
Unit KW 11.94 12.22 12.51 12.82 13.14 13.47
85 Head pressure PSIG 221 227 233 240 247 254
Capacity BTUH/1000 147.7 162 176.8 192.1 207.8 224
Unit KW 13.16 13.46 13.78 14.11 14.46 14.81
95 Head pressure PSIG 252 258 265 272 279 286
Capacity BTUH/1000 140.1 153.7 167.8 182.4 197.5 213.1
Unit KW 14.56 14.89 15.23 15.59 15.95 16.32
105 Head pressure PSIG 285 292 299 306 313 321
Capacity BTUH/1000 131.9 144.8 158.2 172.2 186.8 202.1
Unit KW 16.14 16.49 16.85 17.23 17.61 18
115 Head pressure PSIG 321 328 335 343 351 360
Capacity BTUH/1000 123.3 135.5 148.3 161.8 176 190.9
Unit KW 17.88 18.25 18.64 19.03 19.43 19.83
Performance Data
15 Ton
Outdoor Air Entering Condenser (F)
