18 SSP-PRC001-EN
Performance Data
15 Tons Gross Cooling Capacities and Capacity Curves
Table 9. Gross Cooling Capacities (MBh) 15 Tons TWA180B Heat Pump Only
Outdoor
Temp (°F)
Suction Temperature (°F)
30 35 40 45 50 55
65
Head press PSIG 168 173 179 185 191 197
Cap. 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 press PSIG 193 199 205 211 217 224
Cap. 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 press PSIG 221 227 233 240 247 254
Cap. 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 press PSIG 252 258 265 272 279 286
Cap. 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 press PSIG 285 292 299 306 313 321
Cap. 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 press PSIG 321 328 335 343 351 360
Cap. 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
Notes:
1. Performance data calculated at 15°F subcooling and 20°F superheat and does not include capacity loss due to refrigerant lines.
Figure 10. Capacity Curves 15 Tons TWA180B Heat Pump Only
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