16 SSP-PRC001-EN
Performance Data
7½ Tons Gross Cooling Capacities and Capacity Curves
Table 7. Gross Cooling Capacities (MBh) 7½ Tons TWA090A 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 81 89 97.2 105.8 114.5 123.4
Unit kW 5.56 5.69 5.83 5.97 6.13 6.28
75
Head press PSIG 194 199 205 211 217 224
Cap. Btuh/1000 77.8 85.3 93.1 101.1 109.4 117.8
Unit kW 6.09 6.23 6.38 6.54 6.7 6.87
85
Head press PSIG 221 227 234 240 247 254
Cap. Btuh/1000 74.1 81.3 88.7 96.3 104.2 112.3
Unit kW 6.71 6.87 7.03 7.2 7.38 7.56
95
Head press PSIG 252 258 265 272 279 286
Cap. Btuh/1000 70.3 77.1 84.1 91.4 98.9 106.7
Unit kW 7.43 7.6 7.77 7.95 8.14 8.33
105
Head press PSIG 285 292 299 306 314 322
Cap. Btuh/1000 66.1 72.6 79.3 86.3 93.5 101.1
Unit kW 8.23 8.41 8.6 8.79 8.98 9.18
115
Head press PSIG 321 328 336 343 351 360
Cap. Btuh/1000 61.8 67.9 74.3 81 88.1 95.5
Unit kW 9.12 9.32 9.51 9.71 9.91 10.12
Notes:
1. Performance data calculated at 15°F subcooling and 20°F superheat and does not include capacity loss due to refrigerant lines.
Figure 8. Capacity Curves 7½ Tons TWA090A Heat Pump Only
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